diff --git a/Makefile.embedded b/Makefile.embedded
index 4654626c472d0e4fa9ce1f54481023f0d1fd443a..e6841926b48325dc408ccb27079c4ff75fb388be 100644
--- a/Makefile.embedded
+++ b/Makefile.embedded
@@ -3,6 +3,9 @@
 # Future extensions to the build system that are of a similar nature (for
 # embedded devices only), can be achieved by extending this Makefile here.
 
+###
+### Targets using the tools/serial-io
+###
 RLWRAPGOALS = login serialdump serialview
 
 .PHONY: $(RLWRAPGOALS)
@@ -31,3 +34,14 @@ serialview: $(SERIAL_DUMP_BIN)
 
 login: $(SERIAL_DUMP_BIN)
 	$(SERIALDUMP) -b$(BAUDRATE) $(PORT)
+
+###
+### Targets using tools/motelist
+###
+CONTIKI_NG_MOTELIST_DIR = $(TOOLS_DIR)/motelist
+CONTIKI_NG_MOTELIST = python $(CONTIKI_NG_MOTELIST_DIR)/motelist.py
+
+.PHONY: motelist-all
+
+motelist-all:
+	$(CONTIKI_NG_MOTELIST)
diff --git a/Makefile.help b/Makefile.help
new file mode 100644
index 0000000000000000000000000000000000000000..d8de20c00be597841c1fd7a7618ed4965d3344a9
--- /dev/null
+++ b/Makefile.help
@@ -0,0 +1,29 @@
+usage:
+	@echo "Usage:"
+	@echo "    make [TARGET=(TARGET)] [BOARD=(BOARD)] [DEFINES=(DEFINES)] [PORT=(PORT)] [target]"
+	@echo ""
+	@echo "Typical usage:"
+	@echo "    make [TARGET=(TARGET)] [BOARD=(BOARD)] [all]"
+	@echo ""
+	@echo "    Will build Contiki-NG firmware(s) from the current example dir"
+	@echo "    for platform TARGET, board BOARD."
+	@echo ""
+	@echo "Miscellaneous targets:"
+	@echo "    targets         Prints list of supported platforms"
+	@echo "    boards          Prints a list of supported boards for TARGET"
+	@echo "    savetarget      Saves TARGET and BOARD for future invocations of make"
+	@echo "    savedefines     Saves DEFINES for future invocations of make"
+	@echo "    clean           Removes all compiled files for TARGET"
+	@echo "    distclean       Removes all compiled files for all TARGETs"
+	@echo "    viewconf        Prints Contiki-NG build configuration for TARGET"
+	@echo "    %.flashprof     Shows a Flash/ROM profile of a given firmware (e.g. hello-world.flashprof)"
+	@echo "    %.ramprof       Shows a RAM profile of a given firmware (e.g. hello-world.ramprof)"
+	@echo "    %.o             Produces an object file from a given source file (e.g. hello-world.o)"
+	@echo "    %.e             Produces the pre-processed version of a given source file (e.g. hello-world.e)"
+	@echo "    %.s             Produces an assembly file from a given source file (e.g. hello-world.s)"
+	@echo "    login           View the serial output of the device connected to PORT"
+	@echo "    serialview      Same as login, but prepend serial output with a unix timestamp"
+	@echo "    serialdump      same as serialview, but also save the output to a file"
+	@echo "    motelist-all    Prints a list of connected devices"
+
+help: usage
diff --git a/Makefile.include b/Makefile.include
index 319ae29d74ee4ed64f75d0438e383b813525541e..a194274bd537af6730dccfb0f19ea542b37a3bd4 100644
--- a/Makefile.include
+++ b/Makefile.include
@@ -46,11 +46,6 @@ UPPERCASE = _ABCDEFGHIJKLMNOPQRSTUVWXYZ_
 TARGET_UPPERCASE := ${strip ${shell echo $(TARGET) | sed y!$(LOWERCASE)!$(UPPERCASE)!}}
 CFLAGS += -DCONTIKI=1 -DCONTIKI_TARGET_$(TARGET_UPPERCASE)=1
 CFLAGS += -DCONTIKI_TARGET_STRING=\"$(TARGET)\"
-ifneq ($(BOARD),)
-TARGET_BOARD_UPPERCASE := ${strip ${shell echo $(BOARD) | sed y!$(LOWERCASE)!$(UPPERCASE)!}}
-CFLAGS += -DCONTIKI_BOARD_$(TARGET_BOARD_UPPERCASE)=1
-CFLAGS += -DCONTIKI_BOARD_STRING=\"$(BOARD)\"
-endif
 
 CFLAGS += -Wno-unused-const-variable
 
@@ -129,6 +124,12 @@ endif # $(BOARD) not empty
 
 PLATFORM_ACTION ?= build
 
+ifneq ($(BOARD),)
+  TARGET_BOARD_UPPERCASE := ${strip ${shell echo $(BOARD) | sed y!$(LOWERCASE)!$(UPPERCASE)!}}
+  CFLAGS += -DCONTIKI_BOARD_$(TARGET_BOARD_UPPERCASE)=1
+  CFLAGS += -DCONTIKI_BOARD_STRING=\"$(BOARD)\"
+endif
+
 # Configure MAC layer
 
 # The different options
@@ -394,34 +395,7 @@ endif
 %.flashprof: %.$(TARGET)
 	$(NM) -S -td --size-sort $< | grep -i " [t] " | cut -d' ' -f2,4
 
-usage:
-	@echo "Usage:"
-	@echo "    make [TARGET=(TARGET)] [BOARD=(BOARD)] [DEFINES=(DEFINES)] [PORT=(PORT)] [target]"
-	@echo ""
-	@echo "Typical usage:"
-	@echo "    make [TARGET=(TARGET)] [BOARD=(BOARD)] [all]"
-	@echo ""
-	@echo "    Will build Contiki-NG firmware(s) from the current example dir"
-	@echo "    for platform TARGET, board BOARD."
-	@echo ""
-	@echo "Miscellaneous targets:"
-	@echo "    targets         Prints list of supported platforms"
-	@echo "    boards          Prints a list of supported boards for TARGET"
-	@echo "    savetarget      Saves TARGET and BOARD for future invocations of make"
-	@echo "    savedefines     Saves DEFINES for future invocations of make"
-	@echo "    clean           Removes all compiled files for TARGET"
-	@echo "    distclean       Removes all compiled files for all TARGETs"
-	@echo "    viewconf        Prints Contiki-NG build configuration for TARGET"
-	@echo "    %.flashprof     Shows a Flash/ROM profile of a given firmware (e.g. hello-world.flashprof)"
-	@echo "    %.ramprof       Shows a RAM profile of a given firmware (e.g. hello-world.ramprof)"
-	@echo "    %.o             Produces an object file from a given source file (e.g. hello-world.o)"
-	@echo "    %.e             Produces the pre-processed version of a given source file (e.g. hello-world.e)"
-	@echo "    %.s             Produces an assembly file from a given source file (e.g. hello-world.s)"
-	@echo "    login           View the serial output of the device connected to PORT"
-	@echo "    serialview      Same as login, but prepend serial output with a unix timestamp"
-	@echo "    serialdump      same as serialview, but also save the output to a file"
-
-help: usage
+include $(CONTIKI)/Makefile.help
 
 targets:
 	@ls $(CONTIKI)/arch/platform $(TARGETDIRS)
diff --git a/arch/cpu/arm/cortex-m/Makefile.cortex-m b/arch/cpu/arm/cortex-m/Makefile.cortex-m
index 444df05cd2307bcd36987c45ab58f81c4bd45fcf..aebcf2bddbcbcaa241049ff4d72ebc0f9d713cca 100644
--- a/arch/cpu/arm/cortex-m/Makefile.cortex-m
+++ b/arch/cpu/arm/cortex-m/Makefile.cortex-m
@@ -1,3 +1,14 @@
 CONTIKI_ARM_DIRS += cortex-m cortex-m/CMSIS
 
+### Build syscalls for newlib
+MODULES += os/lib/newlib
+
+CUSTOM_RULE_LINK = 1
+
+.SECONDEXPANSION:
+
+%.elf: $(CPU_STARTFILES) $$(CONTIKI_OBJECTFILES) %.o $(PROJECT_OBJECTFILES) $(PROJECT_LIBRARIES) $(LDSCRIPT) $(TARGET_LIBS)
+	$(TRACE_LD)
+	$(Q)$(LD) $(LDFLAGS) ${filter-out $(LDSCRIPT) %.a,$^} ${filter %.a,$^} $(TARGET_LIBFLAGS) -o $@
+
 include $(CONTIKI)/arch/cpu/arm/Makefile.arm
diff --git a/arch/cpu/arm/cortex-m/cm3/Makefile.cm3 b/arch/cpu/arm/cortex-m/cm3/Makefile.cm3
index 6bd76135cb254a69e1f2450b06ef64ac94ed31e5..3cf216bfbaa452c9542e8e5db6ed8392c3e670a4 100644
--- a/arch/cpu/arm/cortex-m/cm3/Makefile.cm3
+++ b/arch/cpu/arm/cortex-m/cm3/Makefile.cm3
@@ -9,22 +9,10 @@ LDFLAGS += -Wl,-Map=$(CONTIKI_NG_PROJECT_MAP),--cref,--no-warn-mismatch
 
 OBJCOPY_FLAGS += --gap-fill 0xff
 
-### Build syscalls for newlib
-MODULES += os/lib/newlib
-
 CPU_STARTFILES = ${addprefix $(OBJECTDIR)/,${call oname, $(CPU_START_SOURCEFILES)}}
 
-### Compilation rules
-CUSTOM_RULE_LINK = 1
-
 ### Resolve any potential circular dependencies between the linked libraries
 ### See: https://stackoverflow.com/questions/5651869/gcc-what-are-the-start-group-and-end-group-command-line-options/5651895
 TARGET_LIBFLAGS := -Wl,--start-group $(TARGET_LIBFILES) -lm -Wl,--end-group
 
-.SECONDEXPANSION:
-
-%.elf: $(CPU_STARTFILES) $$(CONTIKI_OBJECTFILES) %.o $(PROJECT_OBJECTFILES) $(PROJECT_LIBRARIES) $(LDSCRIPT)
-	$(TRACE_LD)
-	$(Q)$(LD) $(LDFLAGS) ${filter-out $(LDSCRIPT) %.a,$^} ${filter %.a,$^} $(TARGET_LIBFLAGS) -o $@
-
 include $(CONTIKI)/arch/cpu/arm/cortex-m/Makefile.cortex-m
diff --git a/arch/cpu/arm/cortex-m/cm4/Makefile.cm4 b/arch/cpu/arm/cortex-m/cm4/Makefile.cm4
index 110e0697b34dd9bfd5ae377275b24351de1e59ed..b0b592e43eed38208dd3adb797d95f695704153e 100644
--- a/arch/cpu/arm/cortex-m/cm4/Makefile.cm4
+++ b/arch/cpu/arm/cortex-m/cm4/Makefile.cm4
@@ -9,20 +9,10 @@ LDFLAGS += -Wl,-Map=$(CONTIKI_NG_PROJECT_MAP),--cref,--no-warn-mismatch
 
 OBJCOPY_FLAGS += --gap-fill 0xff
 
-### Build syscalls for newlib
-MODULES += os/lib/newlib
-
 CPU_STARTFILES = ${addprefix $(OBJECTDIR)/,${call oname, $(CPU_START_SOURCEFILES)}}
 
-### Compilation rules
-CUSTOM_RULE_LINK = 1
-
 ### Resolve any potential circular dependencies between the linked libraries
 ### See: https://stackoverflow.com/questions/5651869/gcc-what-are-the-start-group-and-end-group-command-line-options/5651895
 TARGET_LIBFLAGS := -Wl,--start-group $(TARGET_LIBFILES) -Wl,--end-group
 
-%.elf: $(CPU_STARTFILES) %.o $(PROJECT_OBJECTFILES) $(PROJECT_LIBRARIES) $(CONTIKI_NG_TARGET_LIB) $(TARGET_LIBS)
-	$(TRACE_LD)
-	$(Q)$(LD) $(LDFLAGS) ${filter %.o %.a,$^} $(TARGET_LIBFLAGS) -o $@
-
 include $(CONTIKI)/arch/cpu/arm/cortex-m/Makefile.cortex-m
diff --git a/arch/cpu/cc2538/cc2538-def.h b/arch/cpu/cc2538/cc2538-def.h
index 163456a142a21e9aa0a5cf91182db00a9157b5cd..defa4ecb0c34dfbe7b5fedfb5fbb4c71807dbdcd 100644
--- a/arch/cpu/cc2538/cc2538-def.h
+++ b/arch/cpu/cc2538/cc2538-def.h
@@ -36,11 +36,13 @@
 /*---------------------------------------------------------------------------*/
 #define RTIMER_ARCH_SECOND 32768
 /*---------------------------------------------------------------------------*/
+#define CC2538_PHY_OVERHEAD          3
+#define CC2538_BYTE_AIR_TIME         32
 /* 352us from calling transmit() until the SFD byte has been sent */
-#define CC2538_DELAY_BEFORE_TX     ((unsigned)US_TO_RTIMERTICKS(352))
+#define CC2538_DELAY_BEFORE_TX       ((unsigned)US_TO_RTIMERTICKS(352))
 /* 192us as in datasheet but ACKs are not always received, so adjusted to 250us */
-#define CC2538_DELAY_BEFORE_RX     ((unsigned)US_TO_RTIMERTICKS(250))
-#define CC2538_DELAY_BEFORE_DETECT 0
+#define CC2538_DELAY_BEFORE_RX       ((unsigned)US_TO_RTIMERTICKS(250))
+#define CC2538_DELAY_BEFORE_DETECT   0
 /* Frame filtering done in software */
 #define TSCH_CONF_HW_FRAME_FILTERING  0
 
diff --git a/arch/cpu/cc2538/dev/cc2538-rf.c b/arch/cpu/cc2538/dev/cc2538-rf.c
index 5a8bb8d6fe8e3b28eee84ffe5509aecf42a118b1..bddfcc9422b1ca8519322961ab7cc2910ae1c004 100644
--- a/arch/cpu/cc2538/dev/cc2538-rf.c
+++ b/arch/cpu/cc2538/dev/cc2538-rf.c
@@ -865,6 +865,7 @@ get_value(radio_param_t param, radio_value_t *value)
     return RADIO_RESULT_OK;
   case RADIO_CONST_PHY_OVERHEAD:
     *value = (radio_value_t)3; /* 1 len byte, 2 bytes CRC */
+    return RADIO_RESULT_OK;
   case RADIO_CONST_BYTE_AIR_TIME:
     *value = (radio_value_t)32; /* 250kbps data rate. One byte = 32us.*/
     return RADIO_RESULT_OK;
diff --git a/arch/cpu/cc2538/dev/spi-arch.c b/arch/cpu/cc2538/dev/spi-arch.c
index d8c6437d522f451b7af105f51b3a1e311e01cd22..aae0ed7972fe1ac362baec8c27c057472369c697 100644
--- a/arch/cpu/cc2538/dev/spi-arch.c
+++ b/arch/cpu/cc2538/dev/spi-arch.c
@@ -281,27 +281,6 @@ spi_arch_close_and_unlock(const spi_device_t *dev)
   return SPI_DEV_STATUS_OK;
 }
 /*---------------------------------------------------------------------------*/
-spi_status_t
-spi_arch_select(const spi_device_t *dev)
-{
-
-  if(!spi_arch_has_lock(dev)) {
-    return SPI_DEV_STATUS_BUS_NOT_OWNED;
-  }
-
-  SPIX_CS_CLR(PIN_TO_PORT(dev->pin_spi_cs), PIN_TO_NUM(dev->pin_spi_cs));
-
-  return SPI_DEV_STATUS_OK;
-}
-/*---------------------------------------------------------------------------*/
-spi_status_t
-spi_arch_deselect(const spi_device_t *dev)
-{
-  SPIX_CS_SET(PIN_TO_PORT(dev->pin_spi_cs), PIN_TO_NUM(dev->pin_spi_cs));
-
-  return SPI_DEV_STATUS_OK;
-}
-/*---------------------------------------------------------------------------*/
 /* Assumes that checking dev and bus is not NULL before calling this */
 spi_status_t
 spi_arch_transfer(const spi_device_t *dev,
diff --git a/arch/cpu/cc26xx-cc13xx/Makefile.cc13xx b/arch/cpu/cc26xx-cc13xx/Makefile.cc13xx
index 093aa1f029a5f4262936159c7ae83c831407c25f..5ea92e30c404fac49cca76ceabc83b71cb1bef30 100644
--- a/arch/cpu/cc26xx-cc13xx/Makefile.cc13xx
+++ b/arch/cpu/cc26xx-cc13xx/Makefile.cc13xx
@@ -1,7 +1,7 @@
 TI_XXWARE_PATH = lib/cc13xxware
 
-CONTIKI_CPU_SOURCEFILES += smartrf-settings.c prop-mode.c prop-mode-tx-power.c
+CONTIKI_CPU_SOURCEFILES += smartrf-settings.c prop-mode.c prop-mode-tx-power.c cc13xx-50kbps-tsch.c
 
-CFLAGS += -DCPU_FAMILY_CC13XX=1
+CFLAGS += -DCPU_FAMILY_CC13X0=1 -DCPU_FAMILY_CC13XX=1
 
 include $(CONTIKI_CPU)/Makefile.cc26xx-cc13xx
diff --git a/arch/cpu/cc26xx-cc13xx/Makefile.cc26x0r2f b/arch/cpu/cc26xx-cc13xx/Makefile.cc26x0r2f
index decece481c039ae0d6593fe1da6a36e920b9c711..56d0415166c20d92df25c4e171abd076b847c926 100644
--- a/arch/cpu/cc26xx-cc13xx/Makefile.cc26x0r2f
+++ b/arch/cpu/cc26xx-cc13xx/Makefile.cc26x0r2f
@@ -1,3 +1,5 @@
 TI_XXWARE_PATH = lib/cc2640r2-sdk
 
+CFLAGS += -DCPU_FAMILY_CC26X0R2=1 -DCPU_FAMILY_CC26XXR2=1
+
 include $(CONTIKI_CPU)/Makefile.cc26xx-cc13xx
diff --git a/arch/cpu/cc26xx-cc13xx/Makefile.cc26xx b/arch/cpu/cc26xx-cc13xx/Makefile.cc26xx
index 4bc2cdcadbd921397c374a53d0fb9ea404e304f5..34a147f7b9b7d5df7811533b26e9aab15e8b9bc7 100644
--- a/arch/cpu/cc26xx-cc13xx/Makefile.cc26xx
+++ b/arch/cpu/cc26xx-cc13xx/Makefile.cc26xx
@@ -1,3 +1,5 @@
 TI_XXWARE_PATH = lib/cc26xxware
 
+CFLAGS += -DCPU_FAMILY_CC26X0=1 -DCPU_FAMILY_CC26XX=1
+
 include $(CONTIKI_CPU)/Makefile.cc26xx-cc13xx
diff --git a/arch/cpu/cc26xx-cc13xx/Makefile.cc26xx-cc13xx b/arch/cpu/cc26xx-cc13xx/Makefile.cc26xx-cc13xx
index 00f9ae23200c35b38f73e6414b89e04c702b488e..592ddfbd8b7adc0cd01f92cfa26b26d6b36e322c 100644
--- a/arch/cpu/cc26xx-cc13xx/Makefile.cc26xx-cc13xx
+++ b/arch/cpu/cc26xx-cc13xx/Makefile.cc26xx-cc13xx
@@ -1,8 +1,8 @@
 CPU_ABS_PATH       = arch/cpu/cc26xx-cc13xx
 TI_XXWARE = $(CONTIKI_CPU)/$(TI_XXWARE_PATH)
 
-ifeq (,$(wildcard $(TI_XXWARE)))
-    $(warning $(TI_XXWARE) does not exist.)
+ifeq (,$(wildcard $(TI_XXWARE)/*))
+    $(warning $(TI_XXWARE) does not exist or is empty.)
     $(warning Did you run 'git submodule update --init' ?)
     $(error "")
 endif
diff --git a/arch/cpu/cc26xx-cc13xx/cc13xx-cc26xx-conf.h b/arch/cpu/cc26xx-cc13xx/cc13xx-cc26xx-conf.h
index e7d9dacd7f6b9f226748ebcb857f713a320c08bc..7400c5ad9bd4fa5e7b7ee53552c3633c1452c777 100644
--- a/arch/cpu/cc26xx-cc13xx/cc13xx-cc26xx-conf.h
+++ b/arch/cpu/cc26xx-cc13xx/cc13xx-cc26xx-conf.h
@@ -64,11 +64,11 @@
  * project has specified otherwise. Depending on the final mode, determine a
  * default channel (again, if unspecified) and configure RDC params
  */
-#if CPU_FAMILY_CC13XX
+#if CPU_FAMILY_CC13X0
 #ifndef CC13XX_CONF_PROP_MODE
 #define CC13XX_CONF_PROP_MODE 1
 #endif /* CC13XX_CONF_PROP_MODE */
-#endif /* CPU_FAMILY_CC13XX */
+#endif /* CPU_FAMILY_CC13X0 */
 
 #if CC13XX_CONF_PROP_MODE
 #ifndef NETSTACK_CONF_RADIO
diff --git a/arch/cpu/cc26xx-cc13xx/cc13xx-cc26xx-def.h b/arch/cpu/cc26xx-cc13xx/cc13xx-cc26xx-def.h
index 47dbc4eb55787f94fa328ba08328a679338fe8aa..97b188e1574c46d1d1bf10c914d95a9298aa3fb7 100644
--- a/arch/cpu/cc26xx-cc13xx/cc13xx-cc26xx-def.h
+++ b/arch/cpu/cc26xx-cc13xx/cc13xx-cc26xx-def.h
@@ -36,12 +36,43 @@
 /*---------------------------------------------------------------------------*/
 /* TSCH related defines */
 
+/* 2 bytes header, 4 bytes CRC */
+#define CC13XX_RADIO_PHY_OVERHEAD 6
+/* 3 bytes preamble, 3 bytes sync */
+#define CC13XX_RADIO_PHY_HEADER_LEN 6
+/* The default data rate is 50 kbps */
+#define CC13XX_RADIO_BIT_RATE 50000
+
 /* 1 len byte, 2 bytes CRC */
-#define RADIO_PHY_OVERHEAD         3
-/* 250kbps data rate. One byte = 32us */
-#define RADIO_BYTE_AIR_TIME       32
+#define CC26XX_RADIO_PHY_OVERHEAD     3
+/* 4 bytes preamble, 1 byte sync */
+#define CC26XX_RADIO_PHY_HEADER_LEN   5
+/* The fixed data rate is 250 kbps */
+#define CC26XX_RADIO_BIT_RATE  250000
+
+#if CPU_FAMILY_CC13XX
+#define RADIO_PHY_HEADER_LEN CC13XX_RADIO_PHY_HEADER_LEN
+#define RADIO_PHY_OVERHEAD   CC13XX_RADIO_PHY_OVERHEAD
+#define RADIO_BIT_RATE       CC13XX_RADIO_BIT_RATE
+
+/* The TSCH default slot length of 10ms is too short, use custom one instead */
+#ifndef TSCH_CONF_DEFAULT_TIMESLOT_TIMING
+#define TSCH_CONF_DEFAULT_TIMESLOT_TIMING tsch_timing_cc13xx_50kbps
+#endif /* TSCH_CONF_DEFAULT_TIMESLOT_TIMING */
+
+/* Symbol for the custom TSCH timeslot timing template */
+#define TSCH_CONF_ARCH_HDR_PATH "rf-core/cc13xx-50kbps-tsch.h"
+
+#else
+#define RADIO_PHY_HEADER_LEN CC26XX_RADIO_PHY_HEADER_LEN
+#define RADIO_PHY_OVERHEAD   CC26XX_RADIO_PHY_OVERHEAD
+#define RADIO_BIT_RATE       CC26XX_RADIO_BIT_RATE
+#endif
+
+#define RADIO_BYTE_AIR_TIME  (1000000 / (RADIO_BIT_RATE / 8))
+
 /* Delay between GO signal and SFD */
-#define RADIO_DELAY_BEFORE_TX ((unsigned)US_TO_RTIMERTICKS(81))
+#define RADIO_DELAY_BEFORE_TX ((unsigned)US_TO_RTIMERTICKS(RADIO_PHY_HEADER_LEN * RADIO_BYTE_AIR_TIME))
 /* Delay between GO signal and start listening.
  * This value is so small because the radio is constantly on within each timeslot. */
 #define RADIO_DELAY_BEFORE_RX ((unsigned)US_TO_RTIMERTICKS(15))
@@ -56,9 +87,6 @@
 #define RADIO_TO_RTIMER(X)   ((uint32_t)(((uint64_t)(X) * (RTIMER_SECOND / 256)) / (RADIO_TIMER_SECOND / 256)))
 #define USEC_TO_RADIO(X)     ((X) * 4)
 
-/* The PHY header (preamble + SFD, 4+1 bytes) duration is equivalent to 10 symbols */
-#define RADIO_IEEE_802154_PHY_HEADER_DURATION_USEC 160
-
 /* Do not turn off TSCH within a timeslot: not enough time */
 #define TSCH_CONF_RADIO_ON_DURING_TIMESLOT 1
 
diff --git a/arch/cpu/cc26xx-cc13xx/cc26xx.ld b/arch/cpu/cc26xx-cc13xx/cc26xx.ld
index 649da32cfcb45ca8bb3a851832e6e31cc82f58ef..4ea422558bcbc4ecbb17c7bf883748e40965a889 100644
--- a/arch/cpu/cc26xx-cc13xx/cc26xx.ld
+++ b/arch/cpu/cc26xx-cc13xx/cc26xx.ld
@@ -96,6 +96,8 @@ SECTIONS
     /* These symbols are used by the stack check library. */
     _stack = .;
     _stack_origin = ORIGIN(SRAM) + LENGTH(SRAM);
+    _heap = _stack;
+    _eheap = _stack_origin;
 
     .ccfg :
     {
diff --git a/arch/cpu/cc26xx-cc13xx/dev/gpio-hal-arch.c b/arch/cpu/cc26xx-cc13xx/dev/gpio-hal-arch.c
index 6516c22cda3106ebbf3c0d0ceb331e4e8820ff46..4fd4f768849084e81e3e3e4fa81274f5a69b90ce 100644
--- a/arch/cpu/cc26xx-cc13xx/dev/gpio-hal-arch.c
+++ b/arch/cpu/cc26xx-cc13xx/dev/gpio-hal-arch.c
@@ -39,7 +39,6 @@
 /*---------------------------------------------------------------------------*/
 #include "contiki.h"
 #include "ti-lib.h"
-#include "ti-lib-rom.h"
 #include "dev/gpio-hal.h"
 
 #include <stdint.h>
@@ -53,11 +52,7 @@ gpio_hal_arch_pin_cfg_set(gpio_hal_pin_t pin, gpio_hal_pin_cfg_t cfg)
   gpio_hal_pin_cfg_t tmp;
 
   /* Clear settings that we are about to change, keep everything else */
-#ifdef ThisLibraryIsFor_CC26x0R2_HaltIfViolated
   config = ti_lib_ioc_port_configure_get(pin);
-#else
-  config = ti_lib_rom_ioc_port_configure_get(pin);
-#endif
   config &= ~CONFIG_MASK;
 
   tmp = cfg & GPIO_HAL_PIN_CFG_EDGE_BOTH;
@@ -87,7 +82,7 @@ gpio_hal_arch_pin_cfg_set(gpio_hal_pin_t pin, gpio_hal_pin_cfg_t cfg)
     config |= IOC_INT_ENABLE;
   }
 
-  ti_lib_rom_ioc_port_configure_set(pin, IOC_PORT_GPIO, config);
+  ti_lib_ioc_port_configure_set(pin, IOC_PORT_GPIO, config);
 }
 /*---------------------------------------------------------------------------*/
 gpio_hal_pin_cfg_t
@@ -98,11 +93,7 @@ gpio_hal_arch_pin_cfg_get(gpio_hal_pin_t pin)
   uint32_t config;
 
   cfg = 0;
-#ifdef ThisLibraryIsFor_CC26x0R2_HaltIfViolated
   config = ti_lib_ioc_port_configure_get(pin);
-#else
-  config = ti_lib_rom_ioc_port_configure_get(pin);
-#endif
 
   /* Pull */
   tmp = config & IOC_IOPULL_M;
diff --git a/arch/cpu/cc26xx-cc13xx/dev/gpio-hal-arch.h b/arch/cpu/cc26xx-cc13xx/dev/gpio-hal-arch.h
index 42a912674aa8abaa72376e8b8158b777870295ba..3997c1062a2205599943b8e6e1725bada2dd1b1d 100644
--- a/arch/cpu/cc26xx-cc13xx/dev/gpio-hal-arch.h
+++ b/arch/cpu/cc26xx-cc13xx/dev/gpio-hal-arch.h
@@ -49,7 +49,6 @@
 /*---------------------------------------------------------------------------*/
 #include "contiki.h"
 #include "ti-lib.h"
-#include "ti-lib-rom.h"
 
 #include <stdint.h>
 /*---------------------------------------------------------------------------*/
@@ -57,15 +56,10 @@
 
 #define gpio_hal_arch_interrupt_enable(p)  interrupt_enable(p)
 
-#ifdef ThisLibraryIsFor_CC26x0R2_HaltIfViolated
 #define gpio_hal_arch_interrupt_disable(p) ti_lib_ioc_int_disable(p)
 #define gpio_hal_arch_pin_set_input(p)     ti_lib_ioc_pin_type_gpio_input(p)
 #define gpio_hal_arch_pin_set_output(p)    ti_lib_ioc_pin_type_gpio_output(p)
-#else
-#define gpio_hal_arch_interrupt_disable(p) ti_lib_rom_ioc_int_disable(p)
-#define gpio_hal_arch_pin_set_input(p)     ti_lib_rom_ioc_pin_type_gpio_input(p)
-#define gpio_hal_arch_pin_set_output(p)    ti_lib_rom_ioc_pin_type_gpio_output(p)
-#endif
+
 #define gpio_hal_arch_set_pin(p)           ti_lib_gpio_set_dio(p)
 #define gpio_hal_arch_clear_pin(p)         ti_lib_gpio_clear_dio(p)
 #define gpio_hal_arch_toggle_pin(p)        ti_lib_gpio_toggle_dio(p)
@@ -80,11 +74,7 @@ static inline void
 interrupt_enable(gpio_hal_pin_t pin)
 {
   ti_lib_gpio_clear_event_dio(pin);
-#ifndef ThisLibraryIsFor_CC26x0R2_HaltIfViolated
-  ti_lib_rom_ioc_int_enable(pin);
-#else
   ti_lib_ioc_int_enable(pin);
-#endif
 }
 /*---------------------------------------------------------------------------*/
 #endif /* GPIO_HAL_ARCH_H_ */
diff --git a/arch/cpu/cc26xx-cc13xx/dev/soc-rtc.c b/arch/cpu/cc26xx-cc13xx/dev/soc-rtc.c
index 8de930a9c24fbea5213ee86401d593d5f76d40ac..2309026b69a0ef5fd11b73456dd61aa86b3d661d 100644
--- a/arch/cpu/cc26xx-cc13xx/dev/soc-rtc.c
+++ b/arch/cpu/cc26xx-cc13xx/dev/soc-rtc.c
@@ -99,7 +99,7 @@ soc_rtc_init(void)
   ti_lib_aon_rtc_channel_enable(AON_RTC_CH1);
   ti_lib_aon_rtc_enable();
 
-  ti_lib_rom_int_enable(INT_AON_RTC_COMB);
+  ti_lib_int_enable(INT_AON_RTC_COMB);
 
   /* Re-enable interrupts */
   if(!interrupts_disabled) {
diff --git a/arch/cpu/cc26xx-cc13xx/dev/soc-trng.c b/arch/cpu/cc26xx-cc13xx/dev/soc-trng.c
index 2fea8418d63a1c0fee27cdfda5e07ec8e0fae447..30a558640538ffd9eebbab2cc010f46433c839bd 100644
--- a/arch/cpu/cc26xx-cc13xx/dev/soc-trng.c
+++ b/arch/cpu/cc26xx-cc13xx/dev/soc-trng.c
@@ -71,7 +71,7 @@ static void
 disable_number_ready_interrupt(void)
 {
   ti_lib_trng_int_disable(TRNG_NUMBER_READY);
-  ti_lib_rom_int_disable(INT_TRNG_IRQ);
+  ti_lib_int_disable(INT_TRNG_IRQ);
 }
 /*---------------------------------------------------------------------------*/
 static void
@@ -79,14 +79,14 @@ enable_number_ready_interrupt(void)
 {
   ti_lib_trng_int_clear(TRNG_NUMBER_READY);
   ti_lib_trng_int_enable(TRNG_NUMBER_READY);
-  ti_lib_rom_int_enable(INT_TRNG_IRQ);
+  ti_lib_int_enable(INT_TRNG_IRQ);
 }
 /*---------------------------------------------------------------------------*/
 static bool
 accessible(void)
 {
   /* First, check the PD */
-  if(ti_lib_rom_prcm_power_domain_status(PRCM_DOMAIN_PERIPH)
+  if(ti_lib_prcm_power_domain_status(PRCM_DOMAIN_PERIPH)
      != PRCM_DOMAIN_POWER_ON) {
     return false;
   }
@@ -104,12 +104,12 @@ static void
 power_up(void)
 {
   /* First, make sure the PERIPH PD is on */
-  ti_lib_rom_prcm_power_domain_on(PRCM_DOMAIN_PERIPH);
-  while((ti_lib_rom_prcm_power_domain_status(PRCM_DOMAIN_PERIPH)
+  ti_lib_prcm_power_domain_on(PRCM_DOMAIN_PERIPH);
+  while((ti_lib_prcm_power_domain_status(PRCM_DOMAIN_PERIPH)
          != PRCM_DOMAIN_POWER_ON));
 
   /* Enable clock in active mode */
-  ti_lib_rom_prcm_peripheral_run_enable(PRCM_PERIPH_TRNG);
+  ti_lib_prcm_peripheral_run_enable(PRCM_PERIPH_TRNG);
   ti_lib_prcm_load_set();
   while(!ti_lib_prcm_load_get());
 }
@@ -136,7 +136,7 @@ static uint64_t
 read_number(void)
 {
   uint64_t ran = (uint64_t)HWREG(TRNG_BASE + TRNG_O_OUT1) << 32;
-  ran += ti_lib_rom_trng_number_get(TRNG_LOW_WORD);
+  ran += ti_lib_trng_number_get(TRNG_LOW_WORD);
 
   return ran;
 }
@@ -237,7 +237,7 @@ soc_trng_rand_asynchronous(uint32_t samples, soc_trng_callback_t cb)
   ti_lib_trng_int_clear(TRNG_NUMBER_READY);
 
   /* Enable clock in sleep mode and register with LPM */
-  ti_lib_rom_prcm_peripheral_sleep_enable(PRCM_PERIPH_TRNG);
+  ti_lib_prcm_peripheral_sleep_enable(PRCM_PERIPH_TRNG);
   ti_lib_prcm_load_set();
   while(!ti_lib_prcm_load_get());
 
@@ -271,7 +271,7 @@ PROCESS_THREAD(soc_trng_process, ev, data)
     }
 
     /* Disable clock in sleep mode */
-    ti_lib_rom_prcm_peripheral_sleep_disable(PRCM_PERIPH_TRNG);
+    ti_lib_prcm_peripheral_sleep_disable(PRCM_PERIPH_TRNG);
     ti_lib_prcm_load_set();
     while(!ti_lib_prcm_load_get());
 
diff --git a/arch/cpu/cc26xx-cc13xx/dev/spi-arch.c b/arch/cpu/cc26xx-cc13xx/dev/spi-arch.c
index d42c06af90e3129f197160a19d2772469051ef5e..242cfa503892ca829b6808468a6ed6b6f8ad8395 100644
--- a/arch/cpu/cc26xx-cc13xx/dev/spi-arch.c
+++ b/arch/cpu/cc26xx-cc13xx/dev/spi-arch.c
@@ -123,7 +123,7 @@ spi_arch_lock_and_open(const spi_device_t *dev)
          != PRCM_DOMAIN_POWER_ON)) ;
 
   /* Enable clock in active mode */
-  ti_lib_rom_prcm_peripheral_run_enable(spi_controller[dev->spi_controller].prcm_periph);
+  ti_lib_prcm_peripheral_run_enable(spi_controller[dev->spi_controller].prcm_periph);
   ti_lib_prcm_load_set();
   while(!ti_lib_prcm_load_get()) ;
 
@@ -131,17 +131,14 @@ spi_arch_lock_and_open(const spi_device_t *dev)
   ti_lib_ssi_int_disable(spi_controller[dev->spi_controller].ssi_base, SSI_RXOR | SSI_RXFF | SSI_RXTO | SSI_TXFF);
   ti_lib_ssi_int_clear(spi_controller[dev->spi_controller].ssi_base, SSI_RXOR | SSI_RXTO);
   
-#ifdef ThisLibraryIsFor_CC26x0R2_HaltIfViolated
-  ti_lib_ssi_config_set_exp_clk(spi_controller[dev->spi_controller].ssi_base, ti_lib_sys_ctrl_clock_get(),
-                                    get_mode(dev), SSI_MODE_MASTER, dev->spi_bit_rate, 8);
-  ti_lib_ioc_pin_type_ssi_master(spi_controller[dev->spi_controller].ssi_base, dev->pin_spi_miso,
-                                     dev->pin_spi_mosi, IOID_UNUSED, dev->pin_spi_sck);
-#else
-  ti_lib_rom_ssi_config_set_exp_clk(spi_controller[dev->spi_controller].ssi_base, ti_lib_sys_ctrl_clock_get(),
-                                      get_mode(dev), SSI_MODE_MASTER, dev->spi_bit_rate, 8);
-  ti_lib_rom_ioc_pin_type_ssi_master(spi_controller[dev->spi_controller].ssi_base, dev->pin_spi_miso,
-                                       dev->pin_spi_mosi, IOID_UNUSED, dev->pin_spi_sck);
-#endif
+  ti_lib_ssi_config_set_exp_clk(spi_controller[dev->spi_controller].ssi_base,
+                                ti_lib_sys_ctrl_clock_get(),
+                                get_mode(dev), SSI_MODE_MASTER,
+                                dev->spi_bit_rate, 8);
+  ti_lib_ioc_pin_type_ssi_master(spi_controller[dev->spi_controller].ssi_base,
+                                 dev->pin_spi_miso,
+                                 dev->pin_spi_mosi, IOID_UNUSED,
+                                 dev->pin_spi_sck);
 
   ti_lib_ssi_enable(spi_controller[dev->spi_controller].ssi_base);
 
@@ -159,7 +156,7 @@ spi_arch_close_and_unlock(const spi_device_t *dev)
   }
 
   /* Power down SSI */
-  ti_lib_rom_prcm_peripheral_run_disable(spi_controller[dev->spi_controller].prcm_periph);
+  ti_lib_prcm_peripheral_run_disable(spi_controller[dev->spi_controller].prcm_periph);
   ti_lib_prcm_load_set();
   while(!ti_lib_prcm_load_get()) ;
 
@@ -213,39 +210,12 @@ spi_arch_transfer(const spi_device_t *dev,
   for(i = 0; i < totlen; i++) {
     c = i < wlen ? write_buf[i] : 0;
     ti_lib_ssi_data_put(spi_controller[dev->spi_controller].ssi_base, (uint8_t)c);
-#ifdef ThisLibraryIsFor_CC26x0R2_HaltIfViolated
     ti_lib_ssi_data_get(spi_controller[dev->spi_controller].ssi_base, &c);
-#else
-    ti_lib_rom_ssi_data_get(spi_controller[dev->spi_controller].ssi_base, &c);
-#endif
     if(i < rlen) {
       inbuf[i] = (uint8_t)c;
     }
   }
-#ifdef ThisLibraryIsFor_CC26x0R2_HaltIfViolated
   while(ti_lib_ssi_data_get_non_blocking(spi_controller[dev->spi_controller].ssi_base, &c)) ;
-#else
-  while(ti_lib_rom_ssi_data_get_non_blocking(spi_controller[dev->spi_controller].ssi_base, &c)) ;
-#endif
   return SPI_DEV_STATUS_OK;
 }
 /*---------------------------------------------------------------------------*/
-spi_status_t
-spi_arch_select(const spi_device_t *dev)
-{
-
-  if(!spi_arch_has_lock(dev)) {
-    return SPI_DEV_STATUS_BUS_NOT_OWNED;
-  }
-
-  ti_lib_gpio_clear_dio(dev->pin_spi_cs);
-
-  return SPI_DEV_STATUS_OK;
-}
-spi_status_t
-spi_arch_deselect(const spi_device_t *dev)
-{
-  ti_lib_gpio_set_dio(dev->pin_spi_cs);
-
-  return SPI_DEV_STATUS_OK;
-}
diff --git a/arch/cpu/cc26xx-cc13xx/lpm.c b/arch/cpu/cc26xx-cc13xx/lpm.c
index 4c8e0256bd4e793583bc08241b67c63be1c3fcc4..2337fb24f8f41dcf5a741e44e4ba57525178728c 100644
--- a/arch/cpu/cc26xx-cc13xx/lpm.c
+++ b/arch/cpu/cc26xx-cc13xx/lpm.c
@@ -162,10 +162,10 @@ lpm_shutdown(uint32_t wakeup_pin, uint32_t io_pull, uint32_t wake_on)
   ti_lib_aon_wuc_mcu_power_off_config(MCU_VIRT_PWOFF_DISABLE);
 
   /* Latch the IOs in the padring and enable I/O pad sleep mode */
-#if !defined(ThisLibraryIsFor_CC26x0R2_HaltIfViolated)
-  ti_lib_pwr_ctrl_io_freeze_enable();
+  ti_lib_aon_ioc_freeze_enable();
+  HWREG(AON_SYSCTL_BASE + AON_SYSCTL_O_SLEEPCTL) = 0;
+  ti_lib_sys_ctrl_aon_sync();
 
-#endif
   /* Turn off VIMS cache, CRAM and TRAM - possibly not required */
   ti_lib_prcm_cache_retention_disable();
   ti_lib_vims_mode_set(VIMS_BASE, VIMS_MODE_OFF);
@@ -193,12 +193,7 @@ wake_up(void)
   ti_lib_sys_ctrl_aon_sync();
 
   /* Adjust recharge settings */
-#ifdef ThisLibraryIsFor_CC26x0R2_HaltIfViolated
-  // May need to change to XOSC_IN_LOW_POWER_MODE
-  ti_lib_sys_ctrl_adjust_recharge_after_power_down(XOSC_IN_HIGH_POWER_MODE);
-#else
   ti_lib_sys_ctrl_adjust_recharge_after_power_down();
-#endif
 
   /*
    * Release the request to the uLDO
diff --git a/arch/cpu/cc26xx-cc13xx/rf-core/ble-hal/ble-hal-cc26xx.c b/arch/cpu/cc26xx-cc13xx/rf-core/ble-hal/ble-hal-cc26xx.c
index a9b949d93becb508ad88db302522cf5dcb847b6f..3245b9c4fa11d338af3a63f51b40e66b8ff5a4fe 100644
--- a/arch/cpu/cc26xx-cc13xx/rf-core/ble-hal/ble-hal-cc26xx.c
+++ b/arch/cpu/cc26xx-cc13xx/rf-core/ble-hal/ble-hal-cc26xx.c
@@ -386,7 +386,7 @@ on(void)
       rf_core_power_down();
       return RF_CORE_CMD_ERROR;
     }
-    rf_core_setup_interrupts(0);
+    rf_core_setup_interrupts();
     oscillators_switch_to_hf_xosc();
 
     if(rf_ble_cmd_setup_ble_mode() != RF_BLE_CMD_OK) {
diff --git a/arch/cpu/cc26xx-cc13xx/rf-core/cc13xx-50kbps-tsch.c b/arch/cpu/cc26xx-cc13xx/rf-core/cc13xx-50kbps-tsch.c
new file mode 100644
index 0000000000000000000000000000000000000000..af76d63e3dd0ee2e5a5bff9ec7dc168172391190
--- /dev/null
+++ b/arch/cpu/cc26xx-cc13xx/rf-core/cc13xx-50kbps-tsch.c
@@ -0,0 +1,73 @@
+/*
+ * Copyright (c) 2018, University of Bristol - http://www.bristol.ac.uk/
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. Neither the name of the Institute nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ * This file is part of the Contiki operating system.
+ *
+ */
+
+/**
+ * \file
+ *         IEEE 802.15.4 TSCH timeslot timings for CC13xx chips at 50kbps datarate
+ * \author
+ *         Atis Elsts <atis.elsts@bristol.ac.uk>
+ *
+ */
+
+#include "contiki.h"
+#include "net/mac/tsch/tsch.h"
+
+#define CC13XX_TSCH_DEFAULT_TS_CCA_OFFSET         1800
+#define CC13XX_TSCH_DEFAULT_TS_CCA                128
+#define CC13XX_TSCH_DEFAULT_TS_TX_OFFSET          2500
+#define CC13XX_TSCH_DEFAULT_TS_RX_OFFSET          (CC13XX_TSCH_DEFAULT_TS_TX_OFFSET - (TSCH_CONF_RX_WAIT / 2))
+#define CC13XX_TSCH_DEFAULT_TS_RX_ACK_DELAY       2000
+#define CC13XX_TSCH_DEFAULT_TS_TX_ACK_DELAY       3000
+#define CC13XX_TSCH_DEFAULT_TS_RX_WAIT            TSCH_CONF_RX_WAIT
+#define CC13XX_TSCH_DEFAULT_TS_ACK_WAIT           3000
+#define CC13XX_TSCH_DEFAULT_TS_RX_TX              192
+#define CC13XX_TSCH_DEFAULT_TS_MAX_ACK            10000
+#define CC13XX_TSCH_DEFAULT_TS_MAX_TX             21600
+
+/* Timeslot length: 40000 usec */
+#define CC13XX_TSCH_DEFAULT_TS_TIMESLOT_LENGTH  40000
+
+/* TSCH timeslot timing (microseconds) */
+const uint16_t tsch_timing_cc13xx_50kbps[tsch_ts_elements_count] = {
+  CC13XX_TSCH_DEFAULT_TS_CCA_OFFSET,
+  CC13XX_TSCH_DEFAULT_TS_CCA,
+  CC13XX_TSCH_DEFAULT_TS_TX_OFFSET,
+  CC13XX_TSCH_DEFAULT_TS_RX_OFFSET,
+  CC13XX_TSCH_DEFAULT_TS_RX_ACK_DELAY,
+  CC13XX_TSCH_DEFAULT_TS_TX_ACK_DELAY,
+  CC13XX_TSCH_DEFAULT_TS_RX_WAIT,
+  CC13XX_TSCH_DEFAULT_TS_ACK_WAIT,
+  CC13XX_TSCH_DEFAULT_TS_RX_TX,
+  CC13XX_TSCH_DEFAULT_TS_MAX_ACK,
+  CC13XX_TSCH_DEFAULT_TS_MAX_TX,
+  CC13XX_TSCH_DEFAULT_TS_TIMESLOT_LENGTH,
+};
diff --git a/arch/cpu/cc26xx-cc13xx/rf-core/cc13xx-50kbps-tsch.h b/arch/cpu/cc26xx-cc13xx/rf-core/cc13xx-50kbps-tsch.h
new file mode 100644
index 0000000000000000000000000000000000000000..5d4fdb376f46dae8141b95bb9b49385896aeb159
--- /dev/null
+++ b/arch/cpu/cc26xx-cc13xx/rf-core/cc13xx-50kbps-tsch.h
@@ -0,0 +1,41 @@
+/*
+ * Copyright (c) 2018, University of Bristol - http://www.bristol.ac.uk/
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. Neither the name of the Institute nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ * This file is part of the Contiki operating system.
+ *
+ */
+
+#ifndef CC13XX_50KBPS_TSCH_H_
+#define CC13XX_50KBPS_TSCH_H_
+
+#include "contiki.h"
+
+/* TSCH timeslot timing (microseconds) */
+extern const uint16_t tsch_timing_cc13xx_50kbps[];
+
+#endif /* CC13XX_50KBPS_TSCH_H_ */
diff --git a/arch/cpu/cc26xx-cc13xx/rf-core/ieee-mode.c b/arch/cpu/cc26xx-cc13xx/rf-core/ieee-mode.c
index 3516147b5cccb844c0bb5632f58ff92bdce2d494..9f4021d215bb26b32f7b2bdd4d1413bc040f1197 100644
--- a/arch/cpu/cc26xx-cc13xx/rf-core/ieee-mode.c
+++ b/arch/cpu/cc26xx-cc13xx/rf-core/ieee-mode.c
@@ -120,6 +120,8 @@ static uint8_t rf_stats[16] = { 0 };
 /* The size of the RF commands buffer */
 #define RF_CMD_BUFFER_SIZE             128
 /*---------------------------------------------------------------------------*/
+#define RAT_TIMESTAMP_OFFSET_2_4_GHZ   0
+/*---------------------------------------------------------------------------*/
 /**
  * \brief Returns the current status of a running Radio Op command
  * \param a A pointer with the buffer used to initiate the command
@@ -130,55 +132,9 @@ static uint8_t rf_stats[16] = { 0 };
  */
 #define RF_RADIO_OP_GET_STATUS(a) (((rfc_radioOp_t *)a)->status)
 /*---------------------------------------------------------------------------*/
-/* Special value returned by CMD_IEEE_CCA_REQ when an RSSI is not available */
-#define RF_CMD_CCA_REQ_RSSI_UNKNOWN     -128
-
-/* Used for the return value of channel_clear */
-#define RF_CCA_CLEAR                       1
-#define RF_CCA_BUSY                        0
-
-/* Used as an error return value for get_cca_info */
-#define RF_GET_CCA_INFO_ERROR           0xFF
-
-/*
- * Values of the individual bits of the ccaInfo field in CMD_IEEE_CCA_REQ's
- * status struct
- */
-#define RF_CMD_CCA_REQ_CCA_STATE_IDLE      0 /* 00 */
-#define RF_CMD_CCA_REQ_CCA_STATE_BUSY      1 /* 01 */
-#define RF_CMD_CCA_REQ_CCA_STATE_INVALID   2 /* 10 */
-
-#define RF_CMD_CCA_REQ_CCA_CORR_IDLE       (0 << 4)
-#define RF_CMD_CCA_REQ_CCA_CORR_BUSY       (1 << 4)
-#define RF_CMD_CCA_REQ_CCA_CORR_INVALID    (3 << 4)
-#define RF_CMD_CCA_REQ_CCA_CORR_MASK       (3 << 4)
-
-#define RF_CMD_CCA_REQ_CCA_SYNC_BUSY       (1 << 6)
-/*---------------------------------------------------------------------------*/
 #define IEEE_MODE_CHANNEL_MIN            11
 #define IEEE_MODE_CHANNEL_MAX            26
 /*---------------------------------------------------------------------------*/
-/* How long to wait for an ongoing ACK TX to finish before starting frame TX */
-#define TX_WAIT_TIMEOUT       (RTIMER_SECOND >> 11)
-
-/* How long to wait for the RF to enter RX in rf_cmd_ieee_rx */
-#define ENTER_RX_WAIT_TIMEOUT (RTIMER_SECOND >> 10)
-
-/* How long to wait for the RF to react on CMD_ABORT: around 1 msec */
-#define RF_TURN_OFF_WAIT_TIMEOUT (RTIMER_SECOND >> 10)
-
-/* How long to wait for the RF to finish TX of a packet or an ACK */
-#define TX_FINISH_WAIT_TIMEOUT (RTIMER_SECOND >> 7)
-
-#define LIMITED_BUSYWAIT(cond, timeout) do {                         \
-    rtimer_clock_t end_time = RTIMER_NOW() + timeout;                \
-    while(cond) {                                                    \
-      if(!RTIMER_CLOCK_LT(RTIMER_NOW(), end_time)) {                 \
-        break;                                                       \
-      }                                                              \
-    }                                                                \
-  } while(0)
-/*---------------------------------------------------------------------------*/
 /* TX Power dBm lookup table - values from SmartRF Studio */
 typedef struct output_config {
   radio_value_t dbm;
@@ -211,33 +167,6 @@ static const output_config_t output_power[] = {
 /* Default TX Power - position in output_power[] */
 static const output_config_t *tx_power_current = &output_power[0];
 /*---------------------------------------------------------------------------*/
-static volatile int8_t last_rssi = 0;
-static volatile uint8_t last_corr_lqi = 0;
-
-extern int32_t rat_offset;
-
-/*---------------------------------------------------------------------------*/
-/* SFD timestamp in RTIMER ticks */
-static volatile uint32_t last_packet_timestamp = 0;
-/* SFD timestamp in RAT ticks (but 64 bits) */
-static uint64_t last_rat_timestamp64 = 0;
-
-/* For RAT overflow handling */
-static struct ctimer rat_overflow_timer;
-static volatile uint32_t rat_overflow_counter = 0;
-static rtimer_clock_t last_rat_overflow = 0;
-
-/* RAT has 32-bit register, overflows once 18 minutes */
-#define RAT_RANGE  4294967296ull
-/* approximate value */
-#define RAT_OVERFLOW_PERIOD_SECONDS (60 * 18)
-
-/* XXX: don't know what exactly is this, looks like the time to Tx 3 octets */
-#define TIMESTAMP_OFFSET  -(USEC_TO_RADIO(32 * 3) - 1) /* -95.75 usec */
-/*---------------------------------------------------------------------------*/
-/* Are we currently in poll mode? */
-static uint8_t poll_mode = 0;
-
 static rfc_CMD_IEEE_MOD_FILT_t filter_cmd;
 /*---------------------------------------------------------------------------*/
 /*
@@ -256,27 +185,28 @@ static uint8_t cmd_ieee_rx_buf[RF_CMD_BUFFER_SIZE] CC_ALIGN(4);
 #define DATA_ENTRY_LENSZ_BYTE 1
 #define DATA_ENTRY_LENSZ_WORD 2 /* 2 bytes */
 
-#define RX_BUF_SIZE 144
-/* Four receive buffers entries with room for 1 IEEE802.15.4 frame in each */
-static uint8_t rx_buf_0[RX_BUF_SIZE] CC_ALIGN(4);
-static uint8_t rx_buf_1[RX_BUF_SIZE] CC_ALIGN(4);
-static uint8_t rx_buf_2[RX_BUF_SIZE] CC_ALIGN(4);
-static uint8_t rx_buf_3[RX_BUF_SIZE] CC_ALIGN(4);
-
-#define RX_BUF_INCLUDE_CRC 1
-#define RX_BUF_INCLUDE_RSSI 1
-#define RX_BUF_INCLUDE_CORR 1
-#define RX_BUF_INCLUDE_TIMESTAMP 1
-
 /* The size of the metadata (excluding the packet length field) */
 #define RX_BUF_METADATA_SIZE \
-  (2 * RX_BUF_INCLUDE_CRC + RX_BUF_INCLUDE_RSSI + RX_BUF_INCLUDE_CORR + 4 * RX_BUF_INCLUDE_TIMESTAMP)
+  (2 * RF_CORE_RX_BUF_INCLUDE_CRC \
+      + RF_CORE_RX_BUF_INCLUDE_RSSI \
+      + RF_CORE_RX_BUF_INCLUDE_CORR \
+      + 4 * RF_CORE_RX_BUF_INCLUDE_TIMESTAMP)
 
 /* The offset of the packet length in a rx buffer */
 #define RX_BUF_LENGTH_OFFSET sizeof(rfc_dataEntry_t)
 /* The offset of the packet data in a rx buffer */
 #define RX_BUF_DATA_OFFSET (RX_BUF_LENGTH_OFFSET + 1)
 
+#define RX_BUF_SIZE (RX_BUF_DATA_OFFSET \
+      + NETSTACK_RADIO_MAX_PAYLOAD_LEN  \
+      + RX_BUF_METADATA_SIZE)
+
+/* Four receive buffers entries with room for 1 IEEE802.15.4 frame in each */
+static uint8_t rx_buf_0[RX_BUF_SIZE] CC_ALIGN(4);
+static uint8_t rx_buf_1[RX_BUF_SIZE] CC_ALIGN(4);
+static uint8_t rx_buf_2[RX_BUF_SIZE] CC_ALIGN(4);
+static uint8_t rx_buf_3[RX_BUF_SIZE] CC_ALIGN(4);
+
 /* The RX Data Queue */
 static dataQueue_t rx_data_queue = { 0 };
 
@@ -358,8 +288,8 @@ transmitting(void)
     return 0;
   }
 
-  if((cmd.currentRssi == RF_CMD_CCA_REQ_RSSI_UNKNOWN) &&
-     (cmd.ccaInfo.ccaEnergy == RF_CMD_CCA_REQ_CCA_STATE_BUSY)) {
+  if((cmd.currentRssi == RF_CORE_CMD_CCA_REQ_RSSI_UNKNOWN) &&
+     (cmd.ccaInfo.ccaEnergy == RF_CORE_CMD_CCA_REQ_CCA_STATE_BUSY)) {
     return 1;
   }
 
@@ -368,12 +298,12 @@ transmitting(void)
 /*---------------------------------------------------------------------------*/
 /**
  * \brief Returns CCA information
- * \return RF_GET_CCA_INFO_ERROR if the RF was not on
+ * \return RF_CORE_GET_CCA_INFO_ERROR if the RF was not on
  * \return On success, the return value is formatted as per the ccaInfo field
  *         of CMD_IEEE_CCA_REQ
  *
  * It is the caller's responsibility to make sure the RF is on. This function
- * will return RF_GET_CCA_INFO_ERROR if the RF is off
+ * will return RF_CORE_GET_CCA_INFO_ERROR if the RF is off
  *
  * This function will in fact wait for a valid CCA state
  */
@@ -385,20 +315,20 @@ get_cca_info(void)
 
   if(!rf_is_on()) {
     PRINTF("get_cca_info: Not on\n");
-    return RF_GET_CCA_INFO_ERROR;
+    return RF_CORE_GET_CCA_INFO_ERROR;
   }
 
   memset(&cmd, 0x00, sizeof(cmd));
-  cmd.ccaInfo.ccaState = RF_CMD_CCA_REQ_CCA_STATE_INVALID;
+  cmd.ccaInfo.ccaState = RF_CORE_CMD_CCA_REQ_CCA_STATE_INVALID;
 
-  while(cmd.ccaInfo.ccaState == RF_CMD_CCA_REQ_CCA_STATE_INVALID) {
+  while(cmd.ccaInfo.ccaState == RF_CORE_CMD_CCA_REQ_CCA_STATE_INVALID) {
     memset(&cmd, 0x00, sizeof(cmd));
     cmd.commandNo = CMD_IEEE_CCA_REQ;
 
     if(rf_core_send_cmd((uint32_t)&cmd, &cmd_status) == RF_CORE_CMD_ERROR) {
       PRINTF("get_cca_info: CMDSTA=0x%08lx\n", cmd_status);
 
-      return RF_GET_CCA_INFO_ERROR;
+      return RF_CORE_GET_CCA_INFO_ERROR;
     }
   }
 
@@ -425,14 +355,14 @@ get_rssi(void)
     was_off = 1;
     if(on() != RF_CORE_CMD_OK) {
       PRINTF("get_rssi: on() failed\n");
-      return RF_CMD_CCA_REQ_RSSI_UNKNOWN;
+      return RF_CORE_CMD_CCA_REQ_RSSI_UNKNOWN;
     }
   }
 
   memset(&cmd, 0x00, sizeof(cmd));
-  cmd.ccaInfo.ccaEnergy = RF_CMD_CCA_REQ_CCA_STATE_INVALID;
+  cmd.ccaInfo.ccaEnergy = RF_CORE_CMD_CCA_REQ_CCA_STATE_INVALID;
 
-  while(cmd.ccaInfo.ccaEnergy == RF_CMD_CCA_REQ_CCA_STATE_INVALID) {
+  while(cmd.ccaInfo.ccaEnergy == RF_CORE_CMD_CCA_REQ_CCA_STATE_INVALID) {
     memset(&cmd, 0x00, sizeof(cmd));
     cmd.commandNo = CMD_IEEE_CCA_REQ;
 
@@ -440,7 +370,7 @@ get_rssi(void)
       PRINTF("get_rssi: CMDSTA=0x%08lx\n", cmd_status);
 
       /* Make sure to return RSSI unknown */
-      cmd.currentRssi = RF_CMD_CCA_REQ_RSSI_UNKNOWN;
+      cmd.currentRssi = RF_CORE_CMD_CCA_REQ_RSSI_UNKNOWN;
       break;
     }
   }
@@ -558,8 +488,8 @@ rf_cmd_ieee_rx()
     return RF_CORE_CMD_ERROR;
   }
 
-  LIMITED_BUSYWAIT(RF_RADIO_OP_GET_STATUS(cmd_ieee_rx_buf) != RF_CORE_RADIO_OP_STATUS_ACTIVE,
-                   ENTER_RX_WAIT_TIMEOUT);
+  RTIMER_BUSYWAIT_UNTIL(RF_RADIO_OP_GET_STATUS(cmd_ieee_rx_buf) == RF_CORE_RADIO_OP_STATUS_ACTIVE,
+                        RF_CORE_ENTER_RX_TIMEOUT);
 
   /* Wait to enter RX */
   if(RF_RADIO_OP_GET_STATUS(cmd_ieee_rx_buf) != RF_CORE_RADIO_OP_STATUS_ACTIVE) {
@@ -615,11 +545,11 @@ init_rf_params(void)
   cmd->rxConfig.bAutoFlushCrc = 1;
   cmd->rxConfig.bAutoFlushIgn = 0;
   cmd->rxConfig.bIncludePhyHdr = 0;
-  cmd->rxConfig.bIncludeCrc = RX_BUF_INCLUDE_CRC;
-  cmd->rxConfig.bAppendRssi = RX_BUF_INCLUDE_RSSI;
-  cmd->rxConfig.bAppendCorrCrc = RX_BUF_INCLUDE_CORR;
+  cmd->rxConfig.bIncludeCrc = RF_CORE_RX_BUF_INCLUDE_CRC;
+  cmd->rxConfig.bAppendRssi = RF_CORE_RX_BUF_INCLUDE_RSSI;
+  cmd->rxConfig.bAppendCorrCrc = RF_CORE_RX_BUF_INCLUDE_CORR;
   cmd->rxConfig.bAppendSrcInd = 0;
-  cmd->rxConfig.bAppendTimestamp = RX_BUF_INCLUDE_TIMESTAMP;
+  cmd->rxConfig.bAppendTimestamp = RF_CORE_RX_BUF_INCLUDE_TIMESTAMP;
 
   cmd->pRxQ = &rx_data_queue;
   cmd->pOutput = (rfc_ieeeRxOutput_t *)rf_stats;
@@ -714,7 +644,7 @@ rx_off(void)
   }
 
   /* Wait for ongoing ACK TX to finish */
-  LIMITED_BUSYWAIT(transmitting(), TX_FINISH_WAIT_TIMEOUT);
+  RTIMER_BUSYWAIT_UNTIL(!transmitting(), RF_CORE_TX_FINISH_TIMEOUT);
 
   /* Send a CMD_ABORT command to RF Core */
   if(rf_core_send_cmd(CMDR_DIR_CMD(CMD_ABORT), &cmd_status) != RF_CORE_CMD_OK) {
@@ -722,7 +652,7 @@ rx_off(void)
     /* Continue nonetheless */
   }
 
-  LIMITED_BUSYWAIT(rf_is_on(), RF_TURN_OFF_WAIT_TIMEOUT);
+  RTIMER_BUSYWAIT_UNTIL(!rf_is_on(), RF_CORE_TURN_OFF_TIMEOUT);
 
   if(RF_RADIO_OP_GET_STATUS(cmd_ieee_rx_buf) == IEEE_DONE_STOPPED ||
      RF_RADIO_OP_GET_STATUS(cmd_ieee_rx_buf) == IEEE_DONE_ABORT) {
@@ -773,8 +703,8 @@ soft_off(void)
     return;
   }
 
-  LIMITED_BUSYWAIT((cmd->status & RF_CORE_RADIO_OP_MASKED_STATUS) ==
-                   RF_CORE_RADIO_OP_MASKED_STATUS_RUNNING, RF_TURN_OFF_WAIT_TIMEOUT);
+  RTIMER_BUSYWAIT_UNTIL((cmd->status & RF_CORE_RADIO_OP_MASKED_STATUS) !=
+                        RF_CORE_RADIO_OP_MASKED_STATUS_RUNNING, RF_CORE_TURN_OFF_TIMEOUT);
 }
 /*---------------------------------------------------------------------------*/
 static uint8_t
@@ -791,71 +721,10 @@ soft_on(void)
 static const rf_core_primary_mode_t mode_ieee = {
   soft_off,
   soft_on,
+  rf_is_on,
+  RAT_TIMESTAMP_OFFSET_2_4_GHZ
 };
 /*---------------------------------------------------------------------------*/
-static uint8_t
-check_rat_overflow(bool first_time)
-{
-  static uint32_t last_value;
-  uint32_t current_value;
-  uint8_t interrupts_disabled;
-
-  /* Bail out if the RF is not on */
-  if(!rf_is_on()) {
-    return 0;
-  }
-
-  interrupts_disabled = ti_lib_int_master_disable();
-  if(first_time) {
-    last_value = HWREG(RFC_RAT_BASE + RATCNT);
-  } else {
-    current_value = HWREG(RFC_RAT_BASE + RATCNT);
-    if(current_value + RAT_RANGE / 4 < last_value) {
-      /* Overflow detected */
-      last_rat_overflow = RTIMER_NOW();
-      rat_overflow_counter++;
-    }
-    last_value = current_value;
-  }
-  if(!interrupts_disabled) {
-    ti_lib_int_master_enable();
-  }
-  return 1;
-}
-/*---------------------------------------------------------------------------*/
-static void
-handle_rat_overflow(void *unused)
-{
-  uint8_t success;
-  uint8_t was_off = 0;
-
-  if(!rf_is_on()) {
-    was_off = 1;
-    if(on() != RF_CORE_CMD_OK) {
-      PRINTF("overflow: on() failed\n");
-      ctimer_set(&rat_overflow_timer, CLOCK_SECOND,
-                 handle_rat_overflow, NULL);
-      return;
-    }
-  }
-
-  success = check_rat_overflow(false);
-
-  if(was_off) {
-    off();
-  }
-
-  if(success) {
-    /* Retry after half of the interval */
-    ctimer_set(&rat_overflow_timer, RAT_OVERFLOW_PERIOD_SECONDS * CLOCK_SECOND / 2,
-               handle_rat_overflow, NULL);
-  } else {
-    /* Retry sooner */
-    ctimer_set(&rat_overflow_timer, CLOCK_SECOND,
-               handle_rat_overflow, NULL);
-  }
-}
-/*---------------------------------------------------------------------------*/
 static int
 init(void)
 {
@@ -889,9 +758,7 @@ init(void)
 
   rf_core_primary_mode_register(&mode_ieee);
 
-  check_rat_overflow(true);
-  ctimer_set(&rat_overflow_timer, RAT_OVERFLOW_PERIOD_SECONDS * CLOCK_SECOND / 2,
-             handle_rat_overflow, NULL);
+  rf_core_rat_init();
 
   process_start(&rf_core_process, NULL);
   return 1;
@@ -935,7 +802,7 @@ transmit(unsigned short transmit_len)
   do {
     tx_active = transmitting();
   } while(tx_active == 1 &&
-          (RTIMER_CLOCK_LT(RTIMER_NOW(), t0 + TX_WAIT_TIMEOUT)));
+          (RTIMER_CLOCK_LT(RTIMER_NOW(), t0 + RF_CORE_TX_TIMEOUT)));
 
   if(tx_active) {
     PRINTF("transmit: Already TXing and wait timed out\n");
@@ -957,7 +824,7 @@ transmit(unsigned short transmit_len)
   cmd.startTrigger.triggerType = TRIG_NOW;
 
   /* Enable the LAST_FG_COMMAND_DONE interrupt, which will wake us up */
-  rf_core_cmd_done_en(true, poll_mode);
+  rf_core_cmd_done_en(true);
 
   ret = rf_core_send_cmd((uint32_t)&cmd, &cmd_status);
 
@@ -973,7 +840,7 @@ transmit(unsigned short transmit_len)
        *  1) make the `lpm_sleep()` call here unconditional;
        *  2) change the radio ISR priority to allow radio ISR to interrupt rtimer ISR.
        */
-      if(!poll_mode) {
+      if(!rf_core_poll_mode) {
         lpm_sleep();
       }
     }
@@ -1007,7 +874,7 @@ transmit(unsigned short transmit_len)
    * Disable LAST_FG_COMMAND_DONE interrupt. We don't really care about it
    * except when we are transmitting
    */
-  rf_core_cmd_done_dis(poll_mode);
+  rf_core_cmd_done_dis();
 
   if(was_off) {
     off();
@@ -1036,46 +903,6 @@ release_data_entry(void)
   rx_read_entry = entry->pNextEntry;
 }
 /*---------------------------------------------------------------------------*/
-static uint32_t
-calc_last_packet_timestamp(uint32_t rat_timestamp)
-{
-  uint64_t rat_timestamp64;
-  uint32_t adjusted_overflow_counter;
-  uint8_t was_off = 0;
-
-  if(!rf_is_on()) {
-    was_off = 1;
-    on();
-  }
-
-  if(rf_is_on()) {
-    check_rat_overflow(false);
-    if(was_off) {
-      off();
-    }
-  }
-
-  adjusted_overflow_counter = rat_overflow_counter;
-
-  /* if the timestamp is large and the last oveflow was recently,
-     assume that the timestamp refers to the time before the overflow */
-  if(rat_timestamp > (uint32_t)(RAT_RANGE * 3 / 4)) {
-    if(RTIMER_CLOCK_LT(RTIMER_NOW(),
-                       last_rat_overflow + RAT_OVERFLOW_PERIOD_SECONDS * RTIMER_SECOND / 4)) {
-      adjusted_overflow_counter--;
-    }
-  }
-
-  /* add the overflowed time to the timestamp */
-  rat_timestamp64 = rat_timestamp + RAT_RANGE * adjusted_overflow_counter;
-  /* correct timestamp so that it refers to the end of the SFD */
-  rat_timestamp64 += TIMESTAMP_OFFSET;
-
-  last_rat_timestamp64 = rat_timestamp64 - rat_offset;
-
-  return RADIO_TO_RTIMER(rat_timestamp64 - rat_offset);
-}
-/*---------------------------------------------------------------------------*/
 static int
 read_frame(void *buf, unsigned short buf_len)
 {
@@ -1111,20 +938,20 @@ read_frame(void *buf, unsigned short buf_len)
 
   memcpy(buf, (uint8_t *)rx_read_entry + RX_BUF_DATA_OFFSET, len);
 
-  last_rssi = (int8_t)rx_read_entry[RX_BUF_DATA_OFFSET + len + 2];
-  last_corr_lqi = (uint8_t)rx_read_entry[RX_BUF_DATA_OFFSET + len + 3] & STATUS_CORRELATION;
+  rf_core_last_rssi = (int8_t)rx_read_entry[RX_BUF_DATA_OFFSET + len];
+  rf_core_last_corr_lqi = (uint8_t)rx_read_entry[RX_BUF_DATA_OFFSET + len + 1] & STATUS_CORRELATION;
 
   /* get the timestamp */
-  memcpy(&rat_timestamp, (uint8_t *)rx_read_entry + RX_BUF_DATA_OFFSET + len + 4, 4);
+  memcpy(&rat_timestamp, (uint8_t *)rx_read_entry + RX_BUF_DATA_OFFSET + len + 2, 4);
 
-  last_packet_timestamp = calc_last_packet_timestamp(rat_timestamp);
+  rf_core_last_packet_timestamp = rf_core_convert_rat_to_rtimer(rat_timestamp);
 
-  if(!poll_mode) {
+  if(!rf_core_poll_mode) {
     /* Not in poll mode: packetbuf should not be accessed in interrupt context.
      * In poll mode, the last packet RSSI and link quality can be obtained through
      * RADIO_PARAM_LAST_RSSI and RADIO_PARAM_LAST_LINK_QUALITY */
-    packetbuf_set_attr(PACKETBUF_ATTR_RSSI, last_rssi);
-    packetbuf_set_attr(PACKETBUF_ATTR_LINK_QUALITY, last_corr_lqi);
+    packetbuf_set_attr(PACKETBUF_ATTR_RSSI, rf_core_last_rssi);
+    packetbuf_set_attr(PACKETBUF_ATTR_LINK_QUALITY, rf_core_last_corr_lqi);
   }
 
   release_data_entry();
@@ -1137,7 +964,7 @@ channel_clear(void)
 {
   uint8_t was_off = 0;
   uint8_t cca_info;
-  int ret = RF_CCA_CLEAR;
+  int ret = RF_CORE_CCA_CLEAR;
 
   /*
    * If we are in the middle of a BLE operation, we got called by ContikiMAC
@@ -1145,7 +972,7 @@ channel_clear(void)
    */
   if(rf_ble_is_active() == RF_BLE_ACTIVE) {
     PRINTF("channel_clear: Interrupt context but BLE in progress\n");
-    return RF_CCA_CLEAR;
+    return RF_CORE_CCA_CLEAR;
   }
 
   if(rf_is_on()) {
@@ -1157,7 +984,7 @@ channel_clear(void)
      *
      * We could probably even simply return that the channel is clear
      */
-    LIMITED_BUSYWAIT(transmitting(), TX_FINISH_WAIT_TIMEOUT);
+    RTIMER_BUSYWAIT_UNTIL(!transmitting(), RF_CORE_TX_FINISH_TIMEOUT);
   } else {
     was_off = 1;
     if(on() != RF_CORE_CMD_OK) {
@@ -1165,21 +992,21 @@ channel_clear(void)
       if(was_off) {
         off();
       }
-      return RF_CCA_CLEAR;
+      return RF_CORE_CCA_CLEAR;
     }
   }
 
   cca_info = get_cca_info();
 
-  if(cca_info == RF_GET_CCA_INFO_ERROR) {
+  if(cca_info == RF_CORE_GET_CCA_INFO_ERROR) {
     PRINTF("channel_clear: CCA error\n");
-    ret = RF_CCA_CLEAR;
+    ret = RF_CORE_CCA_CLEAR;
   } else {
     /*
      * cca_info bits 1:0 - ccaStatus
      * Return 1 (clear) if idle or invalid.
      */
-    ret = (cca_info & 0x03) != RF_CMD_CCA_REQ_CCA_STATE_BUSY;
+    ret = (cca_info & 0x03) != RF_CORE_CMD_CCA_REQ_CCA_STATE_BUSY;
   }
 
   if(was_off) {
@@ -1218,12 +1045,12 @@ receiving_packet(void)
   cca_info = get_cca_info();
 
   /* If we can't read CCA info, return "not receiving" */
-  if(cca_info == RF_GET_CCA_INFO_ERROR) {
+  if(cca_info == RF_CORE_GET_CCA_INFO_ERROR) {
     return 0;
   }
 
   /* If sync has been seen, return 1 (receiving) */
-  if(cca_info & RF_CMD_CCA_REQ_CCA_SYNC_BUSY) {
+  if(cca_info & RF_CORE_CMD_CCA_REQ_CCA_SYNC_BUSY) {
     return 1;
   }
 
@@ -1241,7 +1068,7 @@ pending_packet(void)
     if(entry->status == DATA_ENTRY_STATUS_FINISHED
         || entry->status == DATA_ENTRY_STATUS_BUSY) {
       rv = 1;
-      if(!poll_mode) {
+      if(!rf_core_poll_mode) {
         process_poll(&rf_core_process);
       }
     }
@@ -1292,7 +1119,7 @@ on(void)
     return RF_CORE_CMD_ERROR;
   }
 
-  rf_core_setup_interrupts(poll_mode);
+  rf_core_setup_interrupts();
 
   if(rf_radio_setup() != RF_CORE_CMD_OK) {
     PRINTF("on: radio_setup() failed\n");
@@ -1314,7 +1141,7 @@ off(void)
     return RF_CORE_CMD_OK;
   }
 
-  LIMITED_BUSYWAIT(transmitting(), TX_FINISH_WAIT_TIMEOUT);
+  RTIMER_BUSYWAIT_UNTIL(!transmitting(), RF_CORE_TX_FINISH_TIMEOUT);
 
   /* stopping the rx explicitly results in lower sleep-mode power usage */
   rx_off();
@@ -1394,7 +1221,7 @@ get_value(radio_param_t param, radio_value_t *value)
     if(cmd->frameFiltOpt.autoAckEn) {
       *value |= RADIO_RX_MODE_AUTOACK;
     }
-    if(poll_mode) {
+    if(rf_core_poll_mode) {
       *value |= RADIO_RX_MODE_POLL_MODE;
     }
 
@@ -1411,7 +1238,7 @@ get_value(radio_param_t param, radio_value_t *value)
   case RADIO_PARAM_RSSI:
     *value = get_rssi();
 
-    if(*value == RF_CMD_CCA_REQ_RSSI_UNKNOWN) {
+    if(*value == RF_CORE_CMD_CCA_REQ_RSSI_UNKNOWN) {
       return RADIO_RESULT_ERROR;
     } else {
       return RADIO_RESULT_OK;
@@ -1429,10 +1256,25 @@ get_value(radio_param_t param, radio_value_t *value)
     *value = OUTPUT_POWER_MAX;
     return RADIO_RESULT_OK;
   case RADIO_PARAM_LAST_RSSI:
-    *value = last_rssi;
+    *value = rf_core_last_rssi;
     return RADIO_RESULT_OK;
   case RADIO_PARAM_LAST_LINK_QUALITY:
-    *value = last_corr_lqi;
+    *value = rf_core_last_corr_lqi;
+    return RADIO_RESULT_OK;
+  case RADIO_CONST_PHY_OVERHEAD:
+    *value = (radio_value_t)RADIO_PHY_OVERHEAD;
+    return RADIO_RESULT_OK;
+  case RADIO_CONST_BYTE_AIR_TIME:
+    *value = (radio_value_t)RADIO_BYTE_AIR_TIME;
+    return RADIO_RESULT_OK;
+  case RADIO_CONST_DELAY_BEFORE_TX:
+    *value = (radio_value_t)RADIO_DELAY_BEFORE_TX;
+    return RADIO_RESULT_OK;
+  case RADIO_CONST_DELAY_BEFORE_RX:
+    *value = (radio_value_t)RADIO_DELAY_BEFORE_RX;
+    return RADIO_RESULT_OK;
+  case RADIO_CONST_DELAY_BEFORE_DETECT:
+    *value = (radio_value_t)RADIO_DELAY_BEFORE_DETECT;
     return RADIO_RESULT_OK;
   default:
     return RADIO_RESULT_NOT_SUPPORTED;
@@ -1498,9 +1340,9 @@ set_value(radio_param_t param, radio_value_t value)
     cmd->frameFiltOpt.bPanCoord = 0;
     cmd->frameFiltOpt.bStrictLenFilter = 0;
 
-    old_poll_mode = poll_mode;
-    poll_mode = (value & RADIO_RX_MODE_POLL_MODE) != 0;
-    if(poll_mode == old_poll_mode) {
+    old_poll_mode = rf_core_poll_mode;
+    rf_core_poll_mode = (value & RADIO_RX_MODE_POLL_MODE) != 0;
+    if(rf_core_poll_mode == old_poll_mode) {
       uint32_t cmd_status;
 
       /* do not turn the radio on and off, just send an update command */
@@ -1552,7 +1394,7 @@ set_value(radio_param_t param, radio_value_t value)
   /* Restart the radio timer (RAT).
      This causes resynchronization between RAT and RTC: useful for TSCH. */
   if(rf_core_restart_rat() == RF_CORE_CMD_OK) {
-    check_rat_overflow(false);
+    rf_core_check_rat_overflow();
   }
 
   if(rx_on() != RF_CORE_CMD_OK) {
@@ -1590,7 +1432,7 @@ get_object(radio_param_t param, void *dest, size_t size)
     if(size != sizeof(rtimer_clock_t) || !dest) {
       return RADIO_RESULT_INVALID_VALUE;
     }
-    *(rtimer_clock_t *)dest = last_packet_timestamp;
+    *(rtimer_clock_t *)dest = rf_core_last_packet_timestamp;
 
     return RADIO_RESULT_OK;
   }
diff --git a/arch/cpu/cc26xx-cc13xx/rf-core/prop-mode.c b/arch/cpu/cc26xx-cc13xx/rf-core/prop-mode.c
index 66b4a4370b83f4c788525f92fdd18c3815ce9e6f..0ce6de5dd98924125cbb8a997c1d261c2c0b14aa 100644
--- a/arch/cpu/cc26xx-cc13xx/rf-core/prop-mode.c
+++ b/arch/cpu/cc26xx-cc13xx/rf-core/prop-mode.c
@@ -115,24 +115,6 @@
  */
 #define RF_RADIO_OP_GET_STATUS(a) GET_FIELD_V(a, radioOp, status)
 /*---------------------------------------------------------------------------*/
-/* Special value returned by CMD_IEEE_CCA_REQ when an RSSI is not available */
-#define RF_CMD_CCA_REQ_RSSI_UNKNOWN     -128
-
-/* Used for the return value of channel_clear */
-#define RF_CCA_CLEAR                       1
-#define RF_CCA_BUSY                        0
-
-/* Used as an error return value for get_cca_info */
-#define RF_GET_CCA_INFO_ERROR           0xFF
-
-/*
- * Values of the individual bits of the ccaInfo field in CMD_IEEE_CCA_REQ's
- * status struct
- */
-#define RF_CMD_CCA_REQ_CCA_STATE_IDLE      0 /* 00 */
-#define RF_CMD_CCA_REQ_CCA_STATE_BUSY      1 /* 01 */
-#define RF_CMD_CCA_REQ_CCA_STATE_INVALID   2 /* 10 */
-
 #ifdef PROP_MODE_CONF_RSSI_THRESHOLD
 #define PROP_MODE_RSSI_THRESHOLD PROP_MODE_CONF_RSSI_THRESHOLD
 #else
@@ -141,6 +123,8 @@
 
 static int8_t rssi_threshold = PROP_MODE_RSSI_THRESHOLD;
 /*---------------------------------------------------------------------------*/
+static volatile uint8_t is_receiving_packet;
+/*---------------------------------------------------------------------------*/
 static int on(void);
 static int off(void);
 
@@ -170,12 +154,6 @@ static rfc_propRxOutput_t rx_stats;
 #define DOT_4G_PHR_DW_BIT 0
 #endif
 /*---------------------------------------------------------------------------*/
-/* How long to wait for an ongoing ACK TX to finish before starting frame TX */
-#define TX_WAIT_TIMEOUT       (RTIMER_SECOND >> 11)
-
-/* How long to wait for the RF to enter RX in rf_cmd_ieee_rx */
-#define ENTER_RX_WAIT_TIMEOUT (RTIMER_SECOND >> 10)
-/*---------------------------------------------------------------------------*/
 /* TX power table for the 431-527MHz band */
 #ifdef PROP_MODE_CONF_TX_POWER_431_527
 #define PROP_MODE_TX_POWER_431_527 PROP_MODE_CONF_TX_POWER_431_527
@@ -222,12 +200,29 @@ static const prop_mode_tx_power_config_t *tx_power_current = &TX_POWER_DRIVER[1]
 #define DATA_ENTRY_LENSZ_BYTE 1
 #define DATA_ENTRY_LENSZ_WORD 2 /* 2 bytes */
 
+/* The size of the metadata (excluding the packet length field) */
+#define RX_BUF_METADATA_SIZE \
+  (CRC_LEN * RF_CORE_RX_BUF_INCLUDE_CRC \
+      + RF_CORE_RX_BUF_INCLUDE_RSSI \
+      + RF_CORE_RX_BUF_INCLUDE_CORR \
+      + 4 * RF_CORE_RX_BUF_INCLUDE_TIMESTAMP)
+
+/* The offset of the packet length in a rx buffer */
+#define RX_BUF_LENGTH_OFFSET sizeof(rfc_dataEntry_t)
+/* The offset of the packet data in a rx buffer */
+#define RX_BUF_DATA_OFFSET (RX_BUF_LENGTH_OFFSET + DOT_4G_PHR_LEN)
+
+#define ALIGN_TO_4(size)	(((size) + 3) & ~3)
+
+#define RX_BUF_SIZE ALIGN_TO_4(RX_BUF_DATA_OFFSET          \
+      + NETSTACK_RADIO_MAX_PAYLOAD_LEN   \
+      + RX_BUF_METADATA_SIZE)
+
 /*
  * RX buffers.
  * PROP_MODE_RX_BUF_CNT buffers of RX_BUF_SIZE bytes each. The start of each
  * buffer must be 4-byte aligned, therefore RX_BUF_SIZE must divide by 4
  */
-#define RX_BUF_SIZE 140
 static uint8_t rx_buf[PROP_MODE_RX_BUF_CNT][RX_BUF_SIZE] CC_ALIGN(4);
 
 /* The RX Data Queue */
@@ -236,6 +231,12 @@ static dataQueue_t rx_data_queue = { 0 };
 /* Receive entry pointer to keep track of read items */
 volatile static uint8_t *rx_read_entry;
 /*---------------------------------------------------------------------------*/
+/*
+ * Increasing this number causes unicast Tx immediately after broadcast Rx to have
+ * negative synchronization errors ("dr" in TSCH logs); decreasing it: the opposite.
+ */
+#define RAT_TIMESTAMP_OFFSET_SUB_GHZ USEC_TO_RADIO(160 * 6 - 240)
+/*---------------------------------------------------------------------------*/
 /* The outgoing frame buffer */
 #define TX_BUF_PAYLOAD_LEN 180
 #define TX_BUF_HDR_LEN       2
@@ -272,13 +273,13 @@ get_rssi(void)
     was_off = 1;
     if(on() != RF_CORE_CMD_OK) {
       PRINTF("get_rssi: on() failed\n");
-      return RF_CMD_CCA_REQ_RSSI_UNKNOWN;
+      return RF_CORE_CMD_CCA_REQ_RSSI_UNKNOWN;
     }
   }
 
-  rssi = RF_CMD_CCA_REQ_RSSI_UNKNOWN;
+  rssi = RF_CORE_CMD_CCA_REQ_RSSI_UNKNOWN;
 
-  while((rssi == RF_CMD_CCA_REQ_RSSI_UNKNOWN || rssi == 0) && ++attempts < 10) {
+  while((rssi == RF_CORE_CMD_CCA_REQ_RSSI_UNKNOWN || rssi == 0) && ++attempts < 10) {
     memset(&cmd, 0x00, sizeof(cmd));
     cmd.commandNo = CMD_GET_RSSI;
 
@@ -420,13 +421,17 @@ static uint8_t
 rf_cmd_prop_rx()
 {
   uint32_t cmd_status;
-  rtimer_clock_t t0;
   volatile rfc_CMD_PROP_RX_ADV_t *cmd_rx_adv;
   int ret;
 
   cmd_rx_adv = (rfc_CMD_PROP_RX_ADV_t *)&smartrf_settings_cmd_prop_rx_adv;
   cmd_rx_adv->status = RF_CORE_RADIO_OP_STATUS_IDLE;
 
+  cmd_rx_adv->rxConf.bIncludeCrc = RF_CORE_RX_BUF_INCLUDE_CRC;
+  cmd_rx_adv->rxConf.bAppendRssi = RF_CORE_RX_BUF_INCLUDE_RSSI;
+  cmd_rx_adv->rxConf.bAppendTimestamp = RF_CORE_RX_BUF_INCLUDE_TIMESTAMP;
+  cmd_rx_adv->rxConf.bAppendStatus = RF_CORE_RX_BUF_INCLUDE_CORR;
+
   /*
    * Set the max Packet length. This is for the payload only, therefore
    * 2047 - length offset
@@ -441,10 +446,8 @@ rf_cmd_prop_rx()
     return RF_CORE_CMD_ERROR;
   }
 
-  t0 = RTIMER_NOW();
-
-  while(cmd_rx_adv->status != RF_CORE_RADIO_OP_STATUS_ACTIVE &&
-        (RTIMER_CLOCK_LT(RTIMER_NOW(), t0 + ENTER_RX_WAIT_TIMEOUT)));
+  RTIMER_BUSYWAIT_UNTIL(cmd_rx_adv->status == RF_CORE_RADIO_OP_STATUS_ACTIVE,
+                        RF_CORE_ENTER_RX_TIMEOUT);
 
   /* Wait to enter RX */
   if(cmd_rx_adv->status != RF_CORE_RADIO_OP_STATUS_ACTIVE) {
@@ -506,13 +509,16 @@ rx_off_prop(void)
     return RF_CORE_CMD_OK;
   }
 
+  /* Wait for ongoing ACK TX to finish */
+  RTIMER_BUSYWAIT_UNTIL(!transmitting(), RF_CORE_TX_FINISH_TIMEOUT);
+
   /* Send a CMD_ABORT command to RF Core */
   if(rf_core_send_cmd(CMDR_DIR_CMD(CMD_ABORT), &cmd_status) != RF_CORE_CMD_OK) {
     PRINTF("rx_off_prop: CMD_ABORT status=0x%08lx\n", cmd_status);
     /* Continue nonetheless */
   }
 
-  while(rf_is_on());
+  RTIMER_BUSYWAIT_UNTIL(!rf_is_on(), RF_CORE_TURN_OFF_TIMEOUT);
 
   if(smartrf_settings_cmd_prop_rx_adv.status == PROP_DONE_STOPPED ||
      smartrf_settings_cmd_prop_rx_adv.status == PROP_DONE_ABORT) {
@@ -583,8 +589,8 @@ soft_off_prop(void)
     return;
   }
 
-  while((cmd->status & RF_CORE_RADIO_OP_MASKED_STATUS) ==
-        RF_CORE_RADIO_OP_MASKED_STATUS_RUNNING);
+  RTIMER_BUSYWAIT_UNTIL((cmd->status & RF_CORE_RADIO_OP_MASKED_STATUS) !=
+                         RF_CORE_RADIO_OP_MASKED_STATUS_RUNNING, RF_CORE_TURN_OFF_TIMEOUT);
 }
 /*---------------------------------------------------------------------------*/
 static uint8_t
@@ -606,6 +612,8 @@ soft_on_prop(void)
 static const rf_core_primary_mode_t mode_prop = {
   soft_off_prop,
   soft_on_prop,
+  rf_is_on,
+  RAT_TIMESTAMP_OFFSET_SUB_GHZ
 };
 /*---------------------------------------------------------------------------*/
 static int
@@ -637,10 +645,15 @@ init(void)
     return RF_CORE_CMD_ERROR;
   }
 
+  /* Enable the "sync word seen" interrupt */
+  ti_lib_rfc_hw_int_enable(RFC_DBELL_RFHWIEN_MDMSOFT);
+
   ENERGEST_ON(ENERGEST_TYPE_LISTEN);
 
   rf_core_primary_mode_register(&mode_prop);
 
+  rf_core_rat_init();
+
   process_start(&rf_core_process, NULL);
 
   return 1;
@@ -701,7 +714,7 @@ transmit(unsigned short transmit_len)
   rx_off_prop();
 
   /* Enable the LAST_COMMAND_DONE interrupt to wake us up */
-  rf_core_cmd_done_en(false, false);
+  rf_core_cmd_done_en(false);
 
   ret = rf_core_send_cmd((uint32_t)cmd_tx_adv, &cmd_status);
 
@@ -714,7 +727,14 @@ transmit(unsigned short transmit_len)
     /* Idle away while the command is running */
     while((cmd_tx_adv->status & RF_CORE_RADIO_OP_MASKED_STATUS)
           == RF_CORE_RADIO_OP_MASKED_STATUS_RUNNING) {
-      lpm_sleep();
+      /* Note: for now sleeping while Tx'ing in polling mode is disabled.
+       * To enable it:
+       *  1) make the `lpm_sleep()` call here unconditional;
+       *  2) change the radio ISR priority to allow radio ISR to interrupt rtimer ISR.
+       */
+      if(!rf_core_poll_mode) {
+        lpm_sleep();
+      }
     }
 
     if(cmd_tx_adv->status == RF_CORE_RADIO_OP_STATUS_PROP_DONE_OK) {
@@ -743,7 +763,7 @@ transmit(unsigned short transmit_len)
    * Disable LAST_FG_COMMAND_DONE interrupt. We don't really care about it
    * except when we are transmitting
    */
-  rf_core_cmd_done_dis(false);
+  rf_core_cmd_done_dis();
 
   /* Workaround. Set status to IDLE */
   cmd_tx_adv->status = RF_CORE_RADIO_OP_STATUS_IDLE;
@@ -764,47 +784,98 @@ send(const void *payload, unsigned short payload_len)
   return transmit(payload_len);
 }
 /*---------------------------------------------------------------------------*/
+static void
+release_data_entry(void)
+{
+  rfc_dataEntryGeneral_t *entry = (rfc_dataEntryGeneral_t *)rx_read_entry;
+  uint8_t *data_ptr = &entry->data;
+  int_master_status_t interrupt_status;
+
+  /* Clear the length field (2 bytes) */
+  data_ptr[0] = 0;
+  data_ptr[1] = 0;
+
+  /* Set status to 0 "Pending" in element */
+  entry->status = DATA_ENTRY_STATUS_PENDING;
+  rx_read_entry = entry->pNextEntry;
+
+  interrupt_status = critical_enter();
+  if(rf_core_rx_is_full) {
+    rf_core_rx_is_full = false;
+    PRINTF("RXQ was full, re-enabling radio!\n");
+    rx_on_prop();
+  }
+  critical_exit(interrupt_status);
+
+}
+/*---------------------------------------------------------------------------*/
 static int
 read_frame(void *buf, unsigned short buf_len)
 {
-  int_master_status_t status;
   rfc_dataEntryGeneral_t *entry = (rfc_dataEntryGeneral_t *)rx_read_entry;
   uint8_t *data_ptr = &entry->data;
   int len = 0;
+  uint32_t rat_timestamp;
 
-  if(entry->status == DATA_ENTRY_STATUS_FINISHED) {
+  /* wait for entry to become finished */
+  rtimer_clock_t t0 = RTIMER_NOW();
+  while(entry->status == DATA_ENTRY_STATUS_BUSY
+      && RTIMER_CLOCK_LT(RTIMER_NOW(), t0 + (RTIMER_SECOND / 50)));
 
-    /*
-     * First 2 bytes in the data entry are the length.
-     * Our data entry consists of: Payload + RSSI (1 byte) + Status (1 byte)
-     * This length includes all of those.
-     */
-    len = (*(uint16_t *)data_ptr);
-    data_ptr += 2;
-    len -= 2;
+  /* Make sure the flag is reset */
+  is_receiving_packet = 0;
 
-    if(len > 0) {
-      if(len <= buf_len) {
-        memcpy(buf, data_ptr, len);
-      }
+  if(entry->status != DATA_ENTRY_STATUS_FINISHED) {
+    /* No available data */
+    return 0;
+  }
 
-      packetbuf_set_attr(PACKETBUF_ATTR_RSSI, (int8_t)data_ptr[len]);
-      packetbuf_set_attr(PACKETBUF_ATTR_LINK_QUALITY, 0x7F);
-    }
+  /*
+   * First 2 bytes in the data entry are the length.
+   * Our data entry consists of:
+   *   Payload + RSSI (1 byte) + Timestamp (4 bytes) + Status (1 byte)
+   * This length includes all of those.
+   */
+  len = (*(uint16_t *)data_ptr);
 
-    /* Move read entry pointer to next entry */
-    rx_read_entry = entry->pNextEntry;
-    entry->status = DATA_ENTRY_STATUS_PENDING;
+  if(len <= RX_BUF_METADATA_SIZE) {
+    PRINTF("RF: too short!");
+
+    release_data_entry();
+    return 0;
   }
 
-  status = critical_enter();
-  if(rx_is_full) {
-    rx_is_full = false;
-    PRINTF("RXQ was full, re-enabling radio!\n");
-    rx_on_prop();
+  data_ptr += 2;
+  len -= RX_BUF_METADATA_SIZE;
+
+  if(len > buf_len) {
+    PRINTF("RF: too long\n");
+
+    release_data_entry();
+    return 0;
+  }
+
+  memcpy(buf, data_ptr, len);
+
+  /* get the RSSI and status */
+  rf_core_last_rssi = (int8_t)data_ptr[len];
+  rf_core_last_corr_lqi = data_ptr[len + 5];
+
+  /* get the timestamp */
+  memcpy(&rat_timestamp, data_ptr + len + 1, 4);
+
+  rf_core_last_packet_timestamp = rf_core_convert_rat_to_rtimer(rat_timestamp);
+
+  if(!rf_core_poll_mode) {
+    /* Not in poll mode: packetbuf should not be accessed in interrupt context.
+     * In poll mode, the last packet RSSI and link quality can be obtained through
+     * RADIO_PARAM_LAST_RSSI and RADIO_PARAM_LAST_LINK_QUALITY */
+    packetbuf_set_attr(PACKETBUF_ATTR_RSSI, rf_core_last_rssi);
+    packetbuf_set_attr(PACKETBUF_ATTR_LINK_QUALITY, rf_core_last_corr_lqi);
   }
-  critical_exit(status);
-    
+
+  release_data_entry();
+
   return len;
 }
 /*---------------------------------------------------------------------------*/
@@ -813,14 +884,14 @@ channel_clear(void)
 {
   uint8_t was_off = 0;
   uint32_t cmd_status;
-  int8_t rssi = RF_CMD_CCA_REQ_RSSI_UNKNOWN;
+  int8_t rssi = RF_CORE_CMD_CCA_REQ_RSSI_UNKNOWN;
 
   /*
    * If we are in the middle of a BLE operation, we got called by ContikiMAC
    * from within an interrupt context. Indicate a clear channel
    */
   if(rf_ble_is_active() == RF_BLE_ACTIVE) {
-    return RF_CCA_CLEAR;
+    return RF_CORE_CCA_CLEAR;
   }
 
   if(!rf_core_is_accessible()) {
@@ -830,16 +901,16 @@ channel_clear(void)
       if(was_off) {
         off();
       }
-      return RF_CCA_CLEAR;
+      return RF_CORE_CCA_CLEAR;
     }
   } else {
     if(transmitting()) {
       PRINTF("channel_clear: called while in TX\n");
-      return RF_CCA_CLEAR;
+      return RF_CORE_CCA_CLEAR;
     }
   }
 
-  while(rssi == RF_CMD_CCA_REQ_RSSI_UNKNOWN || rssi == 0) {
+  while(rssi == RF_CORE_CMD_CCA_REQ_RSSI_UNKNOWN || rssi == 0) {
     if(rf_core_send_cmd(CMDR_DIR_CMD(CMD_GET_RSSI), &cmd_status)
        != RF_CORE_CMD_OK) {
       break;
@@ -853,10 +924,10 @@ channel_clear(void)
   }
 
   if(rssi >= rssi_threshold) {
-    return RF_CCA_BUSY;
+    return RF_CORE_CCA_BUSY;
   }
 
-  return RF_CCA_CLEAR;
+  return RF_CORE_CCA_CLEAR;
 }
 /*---------------------------------------------------------------------------*/
 static int
@@ -866,11 +937,23 @@ receiving_packet(void)
     return 0;
   }
 
-  if(channel_clear() == RF_CCA_CLEAR) {
-    return 0;
+  if(!is_receiving_packet) {
+    /* Look for the modem synchronization word detection interrupt flag.
+     * This flag is raised when the synchronization word is received.
+     */
+    if(HWREG(RFC_DBELL_BASE + RFC_DBELL_O_RFHWIFG) & RFC_DBELL_RFHWIFG_MDMSOFT) {
+      is_receiving_packet = 1;
+    }
+  } else {
+    /* After the start of the packet: reset the Rx flag once the channel gets clear */
+    is_receiving_packet = (channel_clear() == RF_CORE_CCA_BUSY);
+    if(!is_receiving_packet) {
+      /* Clear the modem sync flag */
+      ti_lib_rfc_hw_int_clear(RFC_DBELL_RFHWIFG_MDMSOFT);
+    }
   }
 
-  return 1;
+  return is_receiving_packet;
 }
 /*---------------------------------------------------------------------------*/
 static int
@@ -881,9 +964,12 @@ pending_packet(void)
 
   /* Go through all RX buffers and check their status */
   do {
-    if(entry->status == DATA_ENTRY_STATUS_FINISHED) {
-      rv += 1;
-      process_poll(&rf_core_process);
+    if(entry->status == DATA_ENTRY_STATUS_FINISHED
+        || entry->status == DATA_ENTRY_STATUS_BUSY) {
+      rv = 1;
+      if(!rf_core_poll_mode) {
+        process_poll(&rf_core_process);
+      }
     }
 
     entry = (rfc_dataEntry_t *)entry->pNextEntry;
@@ -904,18 +990,18 @@ on(void)
     return RF_CORE_CMD_OK;
   }
 
-  /*
-   * Request the HF XOSC as the source for the HF clock. Needed before we can
-   * use the FS. This will only request, it will _not_ perform the switch.
-   */
-  oscillators_request_hf_xosc();
-
   if(rf_is_on()) {
     PRINTF("on: We were on. PD=%u, RX=0x%04x \n", rf_core_is_accessible(),
            smartrf_settings_cmd_prop_rx_adv.status);
     return RF_CORE_CMD_OK;
   }
 
+  /*
+   * Request the HF XOSC as the source for the HF clock. Needed before we can
+   * use the FS. This will only request, it will _not_ perform the switch.
+   */
+  oscillators_request_hf_xosc();
+
   if(!rf_core_is_accessible()) {
     if(rf_core_power_up() != RF_CORE_CMD_OK) {
       PRINTF("on: rf_core_power_up() failed\n");
@@ -958,7 +1044,7 @@ on(void)
     }
   }
 
-  rf_core_setup_interrupts(false);
+  rf_core_setup_interrupts();
 
   init_rx_buffers();
 
@@ -985,6 +1071,9 @@ on(void)
 static int
 off(void)
 {
+  int i;
+  rfc_dataEntry_t *entry;
+
   /*
    * If we are in the middle of a BLE operation, we got called by ContikiMAC
    * from within an interrupt context. Abort, but pretend everything is OK.
@@ -998,15 +1087,39 @@ off(void)
 
   ENERGEST_OFF(ENERGEST_TYPE_LISTEN);
 
+#if !CC2650_FAST_RADIO_STARTUP
   /* Switch HF clock source to the RCOSC to preserve power */
   oscillators_switch_to_hf_rc();
+#endif
 
   /* We pulled the plug, so we need to restore the status manually */
   smartrf_settings_cmd_prop_rx_adv.status = RF_CORE_RADIO_OP_STATUS_IDLE;
 
+  /*
+   * Just in case there was an ongoing RX (which started after we begun the
+   * shutdown sequence), we don't want to leave the buffer in state == ongoing
+   */
+  for(i = 0; i < PROP_MODE_RX_BUF_CNT; i++) {
+    entry = (rfc_dataEntry_t *)rx_buf[i];
+    if(entry->status == DATA_ENTRY_STATUS_BUSY) {
+       entry->status = DATA_ENTRY_STATUS_PENDING;
+    }
+  }
+
   return RF_CORE_CMD_OK;
 }
 /*---------------------------------------------------------------------------*/
+/* Enable or disable CCA before sending */
+static radio_result_t
+set_send_on_cca(uint8_t enable)
+{
+  if(enable) {
+    /* this driver does not have support for CCA on Tx */
+    return RADIO_RESULT_NOT_SUPPORTED;
+  }
+  return RADIO_RESULT_OK;
+}
+/*---------------------------------------------------------------------------*/
 static radio_result_t
 get_value(radio_param_t param, radio_value_t *value)
 {
@@ -1022,6 +1135,15 @@ get_value(radio_param_t param, radio_value_t *value)
   case RADIO_PARAM_CHANNEL:
     *value = (radio_value_t)get_channel();
     return RADIO_RESULT_OK;
+  case RADIO_PARAM_RX_MODE:
+    *value = 0;
+    if(rf_core_poll_mode) {
+      *value |= RADIO_RX_MODE_POLL_MODE;
+    }
+    return RADIO_RESULT_OK;
+  case RADIO_PARAM_TX_MODE:
+    *value = 0;
+    return RADIO_RESULT_OK;
   case RADIO_PARAM_TXPOWER:
     *value = get_tx_power();
     return RADIO_RESULT_OK;
@@ -1031,7 +1153,7 @@ get_value(radio_param_t param, radio_value_t *value)
   case RADIO_PARAM_RSSI:
     *value = get_rssi();
 
-    if(*value == RF_CMD_CCA_REQ_RSSI_UNKNOWN) {
+    if(*value == RF_CORE_CMD_CCA_REQ_RSSI_UNKNOWN) {
       return RADIO_RESULT_ERROR;
     } else {
       return RADIO_RESULT_OK;
@@ -1048,6 +1170,28 @@ get_value(radio_param_t param, radio_value_t *value)
   case RADIO_CONST_TXPOWER_MAX:
     *value = OUTPUT_POWER_MAX;
     return RADIO_RESULT_OK;
+  case RADIO_PARAM_LAST_RSSI:
+    *value = rf_core_last_rssi;
+    return RADIO_RESULT_OK;
+  case RADIO_PARAM_LAST_LINK_QUALITY:
+    *value = rf_core_last_corr_lqi;
+    return RADIO_RESULT_OK;
+  case RADIO_CONST_PHY_OVERHEAD:
+    /* 2 header bytes, 2 or 4 bytes CRC */
+    *value = (radio_value_t)(DOT_4G_PHR_LEN + CRC_LEN);
+    return RADIO_RESULT_OK;
+  case RADIO_CONST_BYTE_AIR_TIME:
+    *value = (radio_value_t)RADIO_BYTE_AIR_TIME;
+    return RADIO_RESULT_OK;
+  case RADIO_CONST_DELAY_BEFORE_TX:
+    *value = (radio_value_t)RADIO_DELAY_BEFORE_TX;
+    return RADIO_RESULT_OK;
+  case RADIO_CONST_DELAY_BEFORE_RX:
+    *value = (radio_value_t)RADIO_DELAY_BEFORE_RX;
+    return RADIO_RESULT_OK;
+  case RADIO_CONST_DELAY_BEFORE_DETECT:
+    *value = (radio_value_t)RADIO_DELAY_BEFORE_DETECT;
+    return RADIO_RESULT_OK;
   default:
     return RADIO_RESULT_NOT_SUPPORTED;
   }
@@ -1056,8 +1200,8 @@ get_value(radio_param_t param, radio_value_t *value)
 static radio_result_t
 set_value(radio_param_t param, radio_value_t value)
 {
-  uint8_t was_off = 0;
   radio_result_t rv = RADIO_RESULT_OK;
+  uint8_t old_poll_mode;
 
   switch(param) {
   case RADIO_PARAM_POWER_MODE:
@@ -1087,6 +1231,25 @@ set_value(radio_param_t param, radio_value_t value)
 
     set_channel((uint8_t)value);
     break;
+
+  case RADIO_PARAM_RX_MODE:
+    if(value & ~(RADIO_RX_MODE_POLL_MODE)) {
+      return RADIO_RESULT_INVALID_VALUE;
+    }
+
+    old_poll_mode = rf_core_poll_mode;
+    rf_core_poll_mode = (value & RADIO_RX_MODE_POLL_MODE) != 0;
+    if(rf_core_poll_mode == old_poll_mode) {
+      return RADIO_RESULT_OK;
+    }
+    break;
+
+  case RADIO_PARAM_TX_MODE:
+    if(value & ~(RADIO_TX_MODE_SEND_ON_CCA)) {
+      return RADIO_RESULT_INVALID_VALUE;
+    }
+    return set_send_on_cca((value & RADIO_TX_MODE_SEND_ON_CCA) != 0);
+
   case RADIO_PARAM_TXPOWER:
     if(value < TX_POWER_DRIVER[get_tx_power_array_last_element()].dbm ||
        value > OUTPUT_POWER_MAX) {
@@ -1103,8 +1266,7 @@ set_value(radio_param_t param, radio_value_t value)
     }
 
     return RADIO_RESULT_OK;
-  case RADIO_PARAM_RX_MODE:
-    return RADIO_RESULT_OK;
+
   case RADIO_PARAM_CCA_THRESHOLD:
     rssi_threshold = (int8_t)value;
     break;
@@ -1112,28 +1274,29 @@ set_value(radio_param_t param, radio_value_t value)
     return RADIO_RESULT_NOT_SUPPORTED;
   }
 
-  /* If we reach here we had no errors. Apply new settings */
+  /* If off, the new configuration will be applied the next time radio is started */
   if(!rf_is_on()) {
-    was_off = 1;
-    if(on() != RF_CORE_CMD_OK) {
-      PRINTF("set_value: on() failed (2)\n");
-      return RADIO_RESULT_ERROR;
-    }
+    return RADIO_RESULT_OK;
   }
 
+  /* If we reach here we had no errors. Apply new settings */
   if(rx_off_prop() != RF_CORE_CMD_OK) {
     PRINTF("set_value: rx_off_prop() failed\n");
     rv = RADIO_RESULT_ERROR;
   }
 
-  if(soft_on_prop() != RF_CORE_CMD_OK) {
-    PRINTF("set_value: rx_on_prop() failed\n");
-    rv = RADIO_RESULT_ERROR;
+  /* Restart the radio timer (RAT).
+     This causes resynchronization between RAT and RTC: useful for TSCH. */
+  if(rf_core_restart_rat() != RF_CORE_CMD_OK) {
+    PRINTF("set_value: rf_core_restart_rat() failed\n");
+    /* do not set the error */
+  } else {
+    rf_core_check_rat_overflow();
   }
 
-  /* If we were off, turn back off */
-  if(was_off) {
-    off();
+  if(soft_on_prop() != RF_CORE_CMD_OK) {
+    PRINTF("set_value: soft_on_prop() failed\n");
+    rv = RADIO_RESULT_ERROR;
   }
 
   return rv;
@@ -1142,6 +1305,15 @@ set_value(radio_param_t param, radio_value_t value)
 static radio_result_t
 get_object(radio_param_t param, void *dest, size_t size)
 {
+  if(param == RADIO_PARAM_LAST_PACKET_TIMESTAMP) {
+    if(size != sizeof(rtimer_clock_t) || !dest) {
+      return RADIO_RESULT_INVALID_VALUE;
+    }
+    *(rtimer_clock_t *)dest = rf_core_last_packet_timestamp;
+
+    return RADIO_RESULT_OK;
+  }
+
   return RADIO_RESULT_NOT_SUPPORTED;
 }
 /*---------------------------------------------------------------------------*/
diff --git a/arch/cpu/cc26xx-cc13xx/rf-core/rf-core.c b/arch/cpu/cc26xx-cc13xx/rf-core/rf-core.c
index 185842b424953eeff51b83d9d542c9efc4402934..7e638509d98d66c84b2da1d147a75cdde8224cb7 100644
--- a/arch/cpu/cc26xx-cc13xx/rf-core/rf-core.c
+++ b/arch/cpu/cc26xx-cc13xx/rf-core/rf-core.c
@@ -99,12 +99,37 @@ static rfc_radioOp_t *last_radio_op = NULL;
 /* A struct holding pointers to the primary mode's abort() and restore() */
 static const rf_core_primary_mode_t *primary_mode = NULL;
 /*---------------------------------------------------------------------------*/
+/* RAT has 32-bit register, overflows once 18 minutes */
+#define RAT_RANGE  4294967296ull
+/* approximate value */
+#define RAT_OVERFLOW_PERIOD_SECONDS (60 * 18)
+
+/* how often to check for the overflow, as a minimum */
+#define RAT_OVERFLOW_TIMER_INTERVAL (CLOCK_SECOND * RAT_OVERFLOW_PERIOD_SECONDS / 3)
+
 /* Radio timer (RAT) offset as compared to the rtimer counter (RTC) */
-int32_t rat_offset = 0;
-static bool rat_offset_known = false;
+static int32_t rat_offset;
+static bool rat_offset_known;
+
+/* Value during the last read of the RAT register */
+static uint32_t rat_last_value;
+
+/* For RAT overflow handling */
+static struct ctimer rat_overflow_timer;
+static volatile uint32_t rat_overflow_counter;
+static rtimer_clock_t rat_last_overflow;
+
+static void rat_overflow_check_timer_cb(void *);
+/*---------------------------------------------------------------------------*/
+volatile int8_t rf_core_last_rssi = RF_CORE_CMD_CCA_REQ_RSSI_UNKNOWN;
+volatile uint8_t rf_core_last_corr_lqi = 0;
+volatile uint32_t rf_core_last_packet_timestamp = 0;
+/*---------------------------------------------------------------------------*/
+/* Are we currently in poll mode? */
+uint8_t rf_core_poll_mode = 0;
 /*---------------------------------------------------------------------------*/
 /* Buffer full flag */
-volatile bool rx_is_full = false;
+volatile bool rf_core_rx_is_full = false;
 /*---------------------------------------------------------------------------*/
 PROCESS(rf_core_process, "CC13xx / CC26xx RF driver");
 /*---------------------------------------------------------------------------*/
@@ -399,8 +424,8 @@ rf_core_set_modesel()
   } else if(chip_type == CHIP_TYPE_CC1350) {
     HWREG(PRCM_BASE + PRCM_O_RFCMODESEL) = PRCM_RFCMODESEL_CURR_MODE5;
     rv = RF_CORE_CMD_OK;
-#ifdef ThisLibraryIsFor_CC26x0R2_HaltIfViolated
-  } else if (chip_type == CHIP_TYPE_CC2640R2) {
+#if CPU_FAMILY_CC26X0R2
+  } else if(chip_type == CHIP_TYPE_CC2640R2) {
     HWREG(PRCM_BASE + PRCM_O_RFCMODESEL) = PRCM_RFCMODESEL_CURR_MODE1;
     rv = RF_CORE_CMD_OK;
 #endif
@@ -451,10 +476,10 @@ rf_core_restart_rat(void)
 }
 /*---------------------------------------------------------------------------*/
 void
-rf_core_setup_interrupts(bool poll_mode)
+rf_core_setup_interrupts(void)
 {
   bool interrupts_disabled;
-  const uint32_t enabled_irqs = poll_mode ? ENABLED_IRQS_POLL_MODE : ENABLED_IRQS;
+  const uint32_t enabled_irqs = rf_core_poll_mode ? ENABLED_IRQS_POLL_MODE : ENABLED_IRQS;
 
   /* We are already turned on by the caller, so this should not happen */
   if(!rf_core_is_accessible()) {
@@ -485,19 +510,23 @@ rf_core_setup_interrupts(bool poll_mode)
 }
 /*---------------------------------------------------------------------------*/
 void
-rf_core_cmd_done_en(bool fg, bool poll_mode)
+rf_core_cmd_done_en(bool fg)
 {
-  uint32_t irq = fg ? IRQ_LAST_FG_COMMAND_DONE : IRQ_LAST_COMMAND_DONE;
-  const uint32_t enabled_irqs = poll_mode ? ENABLED_IRQS_POLL_MODE : ENABLED_IRQS;
+  uint32_t irq = 0;
+  const uint32_t enabled_irqs = rf_core_poll_mode ? ENABLED_IRQS_POLL_MODE : ENABLED_IRQS;
+
+  if(!rf_core_poll_mode) {
+    irq = fg ? IRQ_LAST_FG_COMMAND_DONE : IRQ_LAST_COMMAND_DONE;
+  }
 
   HWREG(RFC_DBELL_NONBUF_BASE + RFC_DBELL_O_RFCPEIFG) = enabled_irqs;
   HWREG(RFC_DBELL_NONBUF_BASE + RFC_DBELL_O_RFCPEIEN) = enabled_irqs | irq;
 }
 /*---------------------------------------------------------------------------*/
 void
-rf_core_cmd_done_dis(bool poll_mode)
+rf_core_cmd_done_dis(void)
 {
-  const uint32_t enabled_irqs = poll_mode ? ENABLED_IRQS_POLL_MODE : ENABLED_IRQS;
+  const uint32_t enabled_irqs = rf_core_poll_mode ? ENABLED_IRQS_POLL_MODE : ENABLED_IRQS;
   HWREG(RFC_DBELL_NONBUF_BASE + RFC_DBELL_O_RFCPEIEN) = enabled_irqs;
 }
 /*---------------------------------------------------------------------------*/
@@ -544,6 +573,123 @@ rf_core_primary_mode_restore()
   return RF_CORE_CMD_ERROR;
 }
 /*---------------------------------------------------------------------------*/
+uint8_t
+rf_core_rat_init(void)
+{
+  rat_last_value = HWREG(RFC_RAT_BASE + RATCNT);
+
+  ctimer_set(&rat_overflow_timer, RAT_OVERFLOW_TIMER_INTERVAL,
+             rat_overflow_check_timer_cb, NULL);
+
+  return 1;
+}
+/*---------------------------------------------------------------------------*/
+uint8_t
+rf_core_check_rat_overflow(void)
+{
+  uint32_t rat_current_value;
+  uint8_t interrupts_disabled;
+
+  /* Bail out if the RF is not on */
+  if(primary_mode == NULL || !primary_mode->is_on()) {
+    return 0;
+  }
+
+  interrupts_disabled = ti_lib_int_master_disable();
+
+  rat_current_value = HWREG(RFC_RAT_BASE + RATCNT);
+  if(rat_current_value + RAT_RANGE / 4 < rat_last_value) {
+    /* Overflow detected */
+    rat_last_overflow = RTIMER_NOW();
+    rat_overflow_counter++;
+  }
+  rat_last_value = rat_current_value;
+
+  if(!interrupts_disabled) {
+    ti_lib_int_master_enable();
+  }
+
+  return 1;
+}
+/*---------------------------------------------------------------------------*/
+static void
+rat_overflow_check_timer_cb(void *unused)
+{
+  uint8_t success = 0;
+  uint8_t was_off = 0;
+
+  if(primary_mode != NULL) {
+
+    if(!primary_mode->is_on()) {
+      was_off = 1;
+      if(NETSTACK_RADIO.on() != RF_CORE_CMD_OK) {
+        PRINTF("overflow: on() failed\n");
+        ctimer_set(&rat_overflow_timer, CLOCK_SECOND,
+                   rat_overflow_check_timer_cb, NULL);
+        return;
+      }
+    }
+
+    success = rf_core_check_rat_overflow();
+
+    if(was_off) {
+      NETSTACK_RADIO.off();
+    }
+  }
+
+  if(success) {
+    /* Retry after half of the interval */
+    ctimer_set(&rat_overflow_timer, RAT_OVERFLOW_TIMER_INTERVAL,
+               rat_overflow_check_timer_cb, NULL);
+  } else {
+    /* Retry sooner */
+    ctimer_set(&rat_overflow_timer, CLOCK_SECOND,
+               rat_overflow_check_timer_cb, NULL);
+  }
+}
+/*---------------------------------------------------------------------------*/
+uint32_t
+rf_core_convert_rat_to_rtimer(uint32_t rat_timestamp)
+{
+  uint64_t rat_timestamp64;
+  uint32_t adjusted_overflow_counter;
+  uint8_t was_off = 0;
+
+  if(primary_mode == NULL) {
+    PRINTF("rf_core_convert_rat_to_rtimer: not initialized\n");
+    return 0;
+  }
+
+  if(!primary_mode->is_on()) {
+    was_off = 1;
+    NETSTACK_RADIO.on();
+  }
+
+  rf_core_check_rat_overflow();
+
+  if(was_off) {
+    NETSTACK_RADIO.off();
+  }
+
+  adjusted_overflow_counter = rat_overflow_counter;
+
+  /* if the timestamp is large and the last oveflow was recently,
+     assume that the timestamp refers to the time before the overflow */
+  if(rat_timestamp > (uint32_t)(RAT_RANGE * 3 / 4)) {
+    if(RTIMER_CLOCK_LT(RTIMER_NOW(),
+                       rat_last_overflow + RAT_OVERFLOW_PERIOD_SECONDS * RTIMER_SECOND / 4)) {
+      adjusted_overflow_counter--;
+    }
+  }
+
+  /* add the overflowed time to the timestamp */
+  rat_timestamp64 = rat_timestamp + RAT_RANGE * adjusted_overflow_counter;
+  /* correct timestamp so that it refers to the end of the SFD */
+  rat_timestamp64 += primary_mode->sfd_timestamp_offset;
+
+  return RADIO_TO_RTIMER(rat_timestamp64 - rat_offset);
+}
+/*---------------------------------------------------------------------------*/
 PROCESS_THREAD(rf_core_process, ev, data)
 {
   int len;
@@ -582,11 +728,11 @@ cc26xx_rf_cpe1_isr(void)
       return;
     }
   }
-    
+
   if(HWREG(RFC_DBELL_NONBUF_BASE + RFC_DBELL_O_RFCPEIFG) & IRQ_RX_BUF_FULL) {
     PRINTF("\nRF: BUF_FULL\n\n");
     /* set a flag that the buffer is full*/
-    rx_is_full = true;
+    rf_core_rx_is_full = true;
     /* make sure read_frame() will be called to make space in RX buffer */
     process_poll(&rf_core_process);
     /* Clear the IRQ_RX_BUF_FULL interrupt flag by writing zero to bit */
diff --git a/arch/cpu/cc26xx-cc13xx/rf-core/rf-core.h b/arch/cpu/cc26xx-cc13xx/rf-core/rf-core.h
index c97ab0f8a85bd1819ad70c124b3f7d60900c3d7f..6cb65672d999eb0931a0659144e3c3db5a267715 100644
--- a/arch/cpu/cc26xx-cc13xx/rf-core/rf-core.h
+++ b/arch/cpu/cc26xx-cc13xx/rf-core/rf-core.h
@@ -133,6 +133,17 @@ typedef struct rf_core_primary_mode_s {
    * \return RF_CORE_CMD_OK or RF_CORE_CMD_ERROR
    */
   uint8_t (*restore)(void);
+
+  /**
+   * \brief A pointer to a function that checks if the radio is on
+   * \return 1 or 0
+   */
+  uint8_t (*is_on)(void);
+
+  /**
+   * \brief Offset of the end of SFD when compared to the radio HW-generated timestamp
+   */
+   int16_t sfd_timestamp_offset;
 } rf_core_primary_mode_t;
 /*---------------------------------------------------------------------------*/
 /* RF Command status constants - Correspond to values in the CMDSTA register */
@@ -263,12 +274,65 @@ typedef struct rf_core_primary_mode_s {
 /* Radio timer register */
 #define RATCNT  0x00000004
 /*---------------------------------------------------------------------------*/
-/* Buffer full flag */
-extern volatile bool rx_is_full;
+/* Special value returned by CMD_IEEE_CCA_REQ when an RSSI is not available */
+#define RF_CORE_CMD_CCA_REQ_RSSI_UNKNOWN     -128
+
+/* Used for the return value of channel_clear */
+#define RF_CORE_CCA_CLEAR                       1
+#define RF_CORE_CCA_BUSY                        0
+
+/* Used as an error return value for get_cca_info */
+#define RF_CORE_GET_CCA_INFO_ERROR           0xFF
+
+/*
+ * Values of the individual bits of the ccaInfo field in CMD_IEEE_CCA_REQ's
+ * status struct
+ */
+#define RF_CORE_CMD_CCA_REQ_CCA_STATE_IDLE      0 /* 00 */
+#define RF_CORE_CMD_CCA_REQ_CCA_STATE_BUSY      1 /* 01 */
+#define RF_CORE_CMD_CCA_REQ_CCA_STATE_INVALID   2 /* 10 */
+
+#define RF_CORE_CMD_CCA_REQ_CCA_CORR_IDLE       (0 << 4)
+#define RF_CORE_CMD_CCA_REQ_CCA_CORR_BUSY       (1 << 4)
+#define RF_CORE_CMD_CCA_REQ_CCA_CORR_INVALID    (3 << 4)
+#define RF_CORE_CMD_CCA_REQ_CCA_CORR_MASK       (3 << 4)
+
+#define RF_CORE_CMD_CCA_REQ_CCA_SYNC_BUSY       (1 << 6)
+/*---------------------------------------------------------------------------*/
+#define RF_CORE_RX_BUF_INCLUDE_CRC 0
+#define RF_CORE_RX_BUF_INCLUDE_RSSI 1
+#define RF_CORE_RX_BUF_INCLUDE_CORR 1
+#define RF_CORE_RX_BUF_INCLUDE_TIMESTAMP 1
+/*---------------------------------------------------------------------------*/
+/* How long to wait for an ongoing ACK TX to finish before starting frame TX */
+#define RF_CORE_TX_TIMEOUT       (RTIMER_SECOND >> 11)
+
+/* How long to wait for the RF to enter RX in rf_cmd_ieee_rx */
+#define RF_CORE_ENTER_RX_TIMEOUT (RTIMER_SECOND >> 10)
+
+/* How long to wait for the RF to react on CMD_ABORT: around 1 msec */
+#define RF_CORE_TURN_OFF_TIMEOUT (RTIMER_SECOND >> 10)
+
+/* How long to wait for the RF to finish TX of a packet or an ACK */
+#define RF_CORE_TX_FINISH_TIMEOUT (RTIMER_SECOND >> 7)
+
 /*---------------------------------------------------------------------------*/
 /* Make the main driver process visible to mode drivers */
 PROCESS_NAME(rf_core_process);
 /*---------------------------------------------------------------------------*/
+/* Buffer full flag */
+extern volatile bool rf_core_rx_is_full;
+/*---------------------------------------------------------------------------*/
+/* RSSI of the last read frame */
+extern volatile int8_t rf_core_last_rssi;
+/* Correlation/LQI of the last read frame */
+extern volatile uint8_t rf_core_last_corr_lqi;
+/* SFD timestamp of the last read frame, in rtimer ticks */
+extern volatile uint32_t rf_core_last_packet_timestamp;
+/*---------------------------------------------------------------------------*/
+/* Are we currently in poll mode? */
+extern uint8_t rf_core_poll_mode;
+/*---------------------------------------------------------------------------*/
 /**
  * \brief Check whether the RF core is accessible
  * \retval RF_CORE_ACCESSIBLE The core is powered and ready for access
@@ -383,20 +447,19 @@ uint8_t rf_core_boot(void);
 /**
  * \brief Setup RF core interrupts
  */
-void rf_core_setup_interrupts(bool poll_mode);
+void rf_core_setup_interrupts(void);
 
 /**
  * \brief Enable interrupt on command done.
  * \param fg set true to enable irq on foreground command done and false for
  * background commands or if not in ieee mode.
- * \param poll_mode true if the driver is in poll mode
  *
  * This is used within TX routines in order to be able to sleep the CM3 and
  * wake up after TX has finished
  *
  * \sa rf_core_cmd_done_dis()
  */
-void rf_core_cmd_done_en(bool fg, bool poll_mode);
+void rf_core_cmd_done_en(bool fg);
 
 /**
  * \brief Disable the LAST_CMD_DONE and LAST_FG_CMD_DONE interrupts.
@@ -405,7 +468,7 @@ void rf_core_cmd_done_en(bool fg, bool poll_mode);
  *
  * \sa rf_core_cmd_done_en()
  */
-void rf_core_cmd_done_dis(bool poll_mode);
+void rf_core_cmd_done_dis(void);
 
 /**
  * \brief Returns a pointer to the most recent proto-dependent Radio Op
@@ -467,6 +530,22 @@ void rf_core_primary_mode_abort(void);
  * \brief Abort the currently running primary radio op
  */
 uint8_t rf_core_primary_mode_restore(void);
+
+/**
+ * \brief Initialize the RAT to RTC conversion machinery
+ */
+uint8_t rf_core_rat_init(void);
+
+/**
+ * \brief Check if RAT overflow has occured and increment the overflow counter if so
+ */
+uint8_t rf_core_check_rat_overflow(void);
+
+/**
+ * \brief Convert from RAT timestamp to rtimer ticks
+ */
+uint32_t rf_core_convert_rat_to_rtimer(uint32_t rat_timestamp);
+
 /*---------------------------------------------------------------------------*/
 #endif /* RF_CORE_H_ */
 /*---------------------------------------------------------------------------*/
diff --git a/arch/cpu/cc26xx-cc13xx/ti-lib-rom.h b/arch/cpu/cc26xx-cc13xx/ti-lib-rom.h
deleted file mode 100644
index e9fe5011135dee975fbe971e1ccc65f4fd5d70db..0000000000000000000000000000000000000000
--- a/arch/cpu/cc26xx-cc13xx/ti-lib-rom.h
+++ /dev/null
@@ -1,195 +0,0 @@
-/*
- * Copyright (c) 2016, Texas Instruments Incorporated - http://www.ti.com/
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- *    notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- *    notice, this list of conditions and the following disclaimer in the
- *    documentation and/or other materials provided with the distribution.
- * 3. Neither the name of the copyright holder nor the names of its
- *    contributors may be used to endorse or promote products derived
- *    from this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
- * FOR A PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE
- * COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
- * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
- * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
- * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
- * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
- * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
- * OF THE POSSIBILITY OF SUCH DAMAGE.
- */
-/*---------------------------------------------------------------------------*/
-/**
- * \addtogroup cc26xx-ti-lib
- * @{
- *
- * \file
- * Header file with CC13xxware/CC26xxware ROM API.
- */
-/*---------------------------------------------------------------------------*/
-#ifndef TI_LIB_ROM_H_
-#define TI_LIB_ROM_H_
-/*---------------------------------------------------------------------------*/
-/* rom.h */
-#include "driverlib/rom.h"
-
-/* AON API */
-#define ti_lib_rom_aon_event_mcu_wake_up_set          ROM_AONEventMcuWakeUpSet
-#define ti_lib_rom_aon_event_mcu_wake_up_get          ROM_AONEventMcuWakeUpGet
-#define ti_lib_rom_aon_event_aux_wake_up_set          ROM_AONEventAuxWakeUpSet
-#define ti_lib_rom_aon_event_aux_wake_up_get          ROM_AONEventAuxWakeUpGet
-#define ti_lib_rom_aon_event_mcu_set                  ROM_AONEventMcuSet
-#define ti_lib_rom_aon_event_mcu_get                  ROM_AONEventMcuGet
-
-/* AON_WUC API */
-#define ti_lib_rom_aon_wuc_aux_reset                  ROM_AONWUCAuxReset
-#define ti_lib_rom_aon_wuc_recharge_ctrl_config_set   ROM_AONWUCRechargeCtrlConfigSet
-#define ti_lib_rom_aon_wuc_osc_config                 ROM_AONWUCOscConfig
-
-/* AUX_TDC API */
-#define ti_lib_rom_aux_tdc_config_set                 ROM_AUXTDCConfigSet
-#define ti_lib_rom_aux_tdc_measurement_done           ROM_AUXTDCMeasurementDone
-
-/* AUX_WUC API */
-#define ti_lib_rom_aux_wuc_clock_enable               ROM_AUXWUCClockEnable
-#define ti_lib_rom_aux_wuc_clock_disable              ROM_AUXWUCClockDisable
-#define ti_lib_rom_aux_wuc_clock_status               ROM_AUXWUCClockStatus
-#define ti_lib_rom_aux_wuc_power_ctrl                 ROM_AUXWUCPowerCtrl
-
-/* FLASH API */
-#define ti_lib_rom_flash_power_mode_get               ROM_FlashPowerModeGet
-#define ti_lib_rom_flash_protection_set               ROM_FlashProtectionSet
-#define ti_lib_rom_flash_protection_get               ROM_FlashProtectionGet
-#define ti_lib_rom_flash_protection_save              ROM_FlashProtectionSave
-#define ti_lib_rom_flash_efuse_read_row               ROM_FlashEfuseReadRow
-#define ti_lib_rom_flash_disable_sectors_for_write    ROM_FlashDisableSectorsForWrite
-
-/* I2C API */
-#define ti_lib_rom_i2c_master_init_exp_clk            ROM_I2CMasterInitExpClk
-#define ti_lib_rom_i2c_master_err                     ROM_I2CMasterErr
-
-/* INTERRUPT API */
-#define ti_lib_rom_int_priority_grouping_set          ROM_IntPriorityGroupingSet
-#define ti_lib_rom_int_priority_grouping_get          ROM_IntPriorityGroupingGet
-#define ti_lib_rom_int_priority_set                   ROM_IntPrioritySet
-#define ti_lib_rom_int_priority_get                   ROM_IntPriorityGet
-#define ti_lib_rom_int_enable                         ROM_IntEnable
-#define ti_lib_rom_int_disable                        ROM_IntDisable
-#define ti_lib_rom_int_pend_set                       ROM_IntPendSet
-#define ti_lib_rom_int_pend_get                       ROM_IntPendGet
-#define ti_lib_rom_int_pend_clear                     ROM_IntPendClear
-
-/* IOC API */
-#define ti_lib_rom_ioc_port_configure_set             ROM_IOCPortConfigureSet
-#if !defined(ThisLibraryIsFor_CC26x0R2_HaltIfViolated)
-#define ti_lib_rom_ioc_port_configure_get             ROM_IOCPortConfigureGet
-#define ti_lib_rom_ioc_io_shutdown_set                ROM_IOCIOShutdownSet
-#define ti_lib_rom_ioc_io_mode_set                    ROM_IOCIOModeSet
-#define ti_lib_rom_ioc_io_int_set                     ROM_IOCIOIntSet
-#define ti_lib_rom_ioc_io_port_pull_set               ROM_IOCIOPortPullSet
-#define ti_lib_rom_ioc_io_hyst_set                    ROM_IOCIOHystSet
-#define ti_lib_rom_ioc_io_input_set                   ROM_IOCIOInputSet
-#define ti_lib_rom_ioc_io_slew_ctrl_set               ROM_IOCIOSlewCtrlSet
-#define ti_lib_rom_ioc_io_drv_strength_set            ROM_IOCIODrvStrengthSet
-#define ti_lib_rom_ioc_io_port_id_set                 ROM_IOCIOPortIdSet
-#define ti_lib_rom_ioc_int_enable                     ROM_IOCIntEnable
-#define ti_lib_rom_ioc_int_disable                    ROM_IOCIntDisable
-#define ti_lib_rom_ioc_pin_type_gpio_input            ROM_IOCPinTypeGpioInput
-#define ti_lib_rom_ioc_pin_type_gpio_output           ROM_IOCPinTypeGpioOutput
-#define ti_lib_rom_ioc_pin_type_uart                  ROM_IOCPinTypeUart
-#define ti_lib_rom_ioc_pin_type_ssi_master            ROM_IOCPinTypeSsiMaster
-#define ti_lib_rom_ioc_pin_type_ssi_slave             ROM_IOCPinTypeSsiSlave
-#define ti_lib_rom_ioc_pin_type_i2c                   ROM_IOCPinTypeI2c
-#define ti_lib_rom_ioc_pin_type_aux                   ROM_IOCPinTypeAux
-#endif
-
-/* PRCM API */
-#define ti_lib_rom_prcm_inf_clock_configure_set       ROM_PRCMInfClockConfigureSet
-#define ti_lib_rom_prcm_inf_clock_configure_get       ROM_PRCMInfClockConfigureGet
-#define ti_lib_rom_prcm_audio_clock_config_set        ROM_PRCMAudioClockConfigSet
-#define ti_lib_rom_prcm_power_domain_on               ROM_PRCMPowerDomainOn
-#define ti_lib_rom_prcm_power_domain_off              ROM_PRCMPowerDomainOff
-#define ti_lib_rom_prcm_peripheral_run_enable         ROM_PRCMPeripheralRunEnable
-#define ti_lib_rom_prcm_peripheral_run_disable        ROM_PRCMPeripheralRunDisable
-#define ti_lib_rom_prcm_peripheral_sleep_enable       ROM_PRCMPeripheralSleepEnable
-#define ti_lib_rom_prcm_peripheral_sleep_disable      ROM_PRCMPeripheralSleepDisable
-#define ti_lib_rom_prcm_peripheral_deep_sleep_enable  ROM_PRCMPeripheralDeepSleepEnable
-#define ti_lib_rom_prcm_peripheral_deep_sleep_disable ROM_PRCMPeripheralDeepSleepDisable
-#define ti_lib_rom_prcm_power_domain_status           ROM_PRCMPowerDomainStatus
-#define ti_lib_rom_prcm_deep_sleep                    ROM_PRCMDeepSleep
-
-/* SMPH API */
-#define ti_lib_rom_smph_acquire                       ROM_SMPHAcquire
-
-/* SSI API */
-#define ti_lib_rom_ssi_config_set_exp_clk             ROM_SSIConfigSetExpClk
-#define ti_lib_rom_ssi_data_put                       ROM_SSIDataPut
-#define ti_lib_rom_ssi_data_put_non_blocking          ROM_SSIDataPutNonBlocking
-#define ti_lib_rom_ssi_data_get                       ROM_SSIDataGet
-#define ti_lib_rom_ssi_data_get_non_blocking          ROM_SSIDataGetNonBlocking
-
-/* TIMER API */
-#define ti_lib_rom_timer_configure                    ROM_TimerConfigure
-#define ti_lib_rom_timer_level_control                ROM_TimerLevelControl
-#define ti_lib_rom_timer_stall_control                ROM_TimerStallControl
-#define ti_lib_rom_timer_wait_on_trigger_control      ROM_TimerWaitOnTriggerControl
-
-/* TRNG API */
-#define ti_lib_rom_trng_number_get                    ROM_TRNGNumberGet
-
-/* UART API */
-#define ti_lib_rom_uart_fifo_level_get                ROM_UARTFIFOLevelGet
-#define ti_lib_rom_uart_config_set_exp_clk            ROM_UARTConfigSetExpClk
-#define ti_lib_rom_uart_config_get_exp_clk            ROM_UARTConfigGetExpClk
-#define ti_lib_rom_uart_disable                       ROM_UARTDisable
-#define ti_lib_rom_uart_char_get_non_blocking         ROM_UARTCharGetNonBlocking
-#define ti_lib_rom_uart_char_get                      ROM_UARTCharGet
-#define ti_lib_rom_uart_char_put_non_blocking         ROM_UARTCharPutNonBlocking
-#define ti_lib_rom_uart_char_put                      ROM_UARTCharPut
-
-/* UDMA API */
-#define ti_lib_rom_udma_channel_attribute_enable      ROM_uDMAChannelAttributeEnable
-#define ti_lib_rom_udma_channel_attribute_disable     ROM_uDMAChannelAttributeDisable
-#define ti_lib_rom_udma_channel_attribute_get         ROM_uDMAChannelAttributeGet
-#define ti_lib_rom_udma_channel_control_set           ROM_uDMAChannelControlSet
-#define ti_lib_rom_udma_channel_transfer_set          ROM_uDMAChannelTransferSet
-#define ti_lib_rom_udma_channel_scatter_gather_set    ROM_uDMAChannelScatterGatherSet
-#define ti_lib_rom_udma_channel_size_get              ROM_uDMAChannelSizeGet
-#define ti_lib_rom_udma_channel_mode_get              ROM_uDMAChannelModeGet
-
-/* VIMS API */
-#define ti_lib_rom_vims_configure                     ROM_VIMSConfigure
-#define ti_lib_rom_vims_mode_set                      ROM_VIMSModeSet
-
-/* HAPI */
-#define ti_lib_hapi_crc32(a, b, c)              HapiCrc32(a, b, c)
-#define ti_lib_hapi_get_flash_size()            HapiGetFlashSize()
-#define ti_lib_hapi_get_chip_id()               HapiGetChipId()
-#define ti_lib_hapi_sector_erase(a)             HapiSectorErase(a)
-#define ti_lib_hapi_program_flash(a, b, c)      HapiProgramFlash(a, b, c)
-#define ti_lib_hapi_reset_device()              HapiResetDevice()
-#define ti_lib_hapi_fletcher32(a, b, c)         HapiFletcher32(a, b, c)
-#define ti_lib_hapi_min_value(a, b)             HapiMinValue(a,b)
-#define ti_lib_hapi_max_value(a, b)             HapiMaxValue(a,b)
-#define ti_lib_hapi_mean_value(a, b)            HapiMeanValue(a,b)
-#define ti_lib_hapi_stand_deviation_value(a, b) HapiStandDeviationValue(a,b)
-#define ti_lib_hapi_hf_source_safe_switch()     HapiHFSourceSafeSwitch()
-#define ti_lib_hapi_select_comp_a_input(a)      HapiSelectCompAInput(a)
-#define ti_lib_hapi_select_comp_a_ref(a)        HapiSelectCompARef(a)
-#define ti_lib_hapi_select_adc_comp_b_input(a)  HapiSelectADCCompBInput(a)
-#define ti_lib_hapi_select_comp_b_ref(a)        HapiSelectCompBRef(a)
-/*---------------------------------------------------------------------------*/
-#endif /* TI_LIB_ROM_H_ */
-/*---------------------------------------------------------------------------*/
-/**
- * @}
- */
diff --git a/arch/cpu/cc26xx-cc13xx/ti-lib.h b/arch/cpu/cc26xx-cc13xx/ti-lib.h
index 6e6d78afb6e75bc18491158191e7f137407fe573..d6c7363ee2319c392fc5a26199852d1d22393830 100644
--- a/arch/cpu/cc26xx-cc13xx/ti-lib.h
+++ b/arch/cpu/cc26xx-cc13xx/ti-lib.h
@@ -52,9 +52,6 @@
 #ifndef TI_LIB_H_
 #define TI_LIB_H_
 /*---------------------------------------------------------------------------*/
-/* Include ROM API */
-#include "ti-lib-rom.h"
-/*---------------------------------------------------------------------------*/
 /* aon_batmon.h */
 #include "driverlib/aon_batmon.h"
 
@@ -200,14 +197,16 @@
 #define ti_lib_chipinfo_get_device_id_hw_rev_code(...) ChipInfo_GetDeviceIdHwRevCode(__VA_ARGS__)
 #define ti_lib_chipinfo_get_chip_type(...)             ChipInfo_GetChipType(__VA_ARGS__)
 #define ti_lib_chipinfo_get_chip_family(...)           ChipInfo_GetChipFamily(__VA_ARGS__)
-#ifdef ThisLibraryIsFor_CC26x0R2_HaltIfViolated
+
+#if CPU_FAMILY_CC26X0R2
 #define ti_lib_chipinfo_chip_family_is_cc26xx(...)     ChipInfo_ChipFamilyIs_CC26x0(__VA_ARGS__)
 #define ti_lib_chipinfo_chip_family_is_cc13xx(...)     ChipInfo_ChipFamilyIs_CC13x0(__VA_ARGS__)
-#define ti_lib_chipinfo_chip_family_is_cc26x0r2(...)     ChipInfo_ChipFamilyIs_CC26x0R2(__VA_ARGS__)
+#define ti_lib_chipinfo_chip_family_is_cc26x0r2(...)   ChipInfo_ChipFamilyIs_CC26x0R2(__VA_ARGS__)
 #else
 #define ti_lib_chipinfo_chip_family_is_cc26xx(...)     ChipInfo_ChipFamilyIsCC26xx(__VA_ARGS__)
 #define ti_lib_chipinfo_chip_family_is_cc13xx(...)     ChipInfo_ChipFamilyIsCC13xx(__VA_ARGS__)
-#endif
+#endif /* CPU_FAMILY_CC26X0R2 */
+
 #define ti_lib_chipinfo_get_hw_revision(...)           ChipInfo_GetHwRevision(__VA_ARGS__)
 #define ti_lib_chipinfo_hw_revision_is_1_0(...)        ChipInfo_HwRevisionIs_1_0(__VA_ARGS__)
 #define ti_lib_chipinfo_hw_revision_is_gteq_2_0(...)   ChipInfo_HwRevisionIs_GTEQ_2_0(__VA_ARGS__)
@@ -394,16 +393,15 @@
 #define ti_lib_pwr_ctrl_source_get(...)         PowerCtrlSourceGet(__VA_ARGS__)
 #define ti_lib_pwr_ctrl_reset_source_get(...)   PowerCtrlResetSourceGet(__VA_ARGS__)
 #define ti_lib_pwr_ctrl_reset_source_clear(...) PowerCtrlResetSourceClear(__VA_ARGS__)
-#if !defined(ThisLibraryIsFor_CC26x0R2_HaltIfViolated)
-#define ti_lib_pwr_ctrl_io_freeze_enable(...)   PowerCtrlIOFreezeEnable(__VA_ARGS__)
-#define ti_lib_pwr_ctrl_io_freeze_disable(...)  PowerCtrlIOFreezeDisable(__VA_ARGS__)
-#endif
 /*---------------------------------------------------------------------------*/
 /* rfc.h */
 #include "driverlib/rfc.h"
 
 #define ti_lib_rfc_rtrim(...)                    RFCRTrim(__VA_ARGS__)
 #define ti_lib_rfc_adi3vco_ldo_voltage_mode(...) RFCAdi3VcoLdoVoltageMode(__VA_ARGS__)
+#define ti_lib_rfc_hw_int_enable(...)            RFCHwIntEnable(__VA_ARGS__)
+#define ti_lib_rfc_hw_int_disable(...)           RFCHwIntDisable(__VA_ARGS__)
+#define ti_lib_rfc_hw_int_clear(...)             RFCHwIntClear(__VA_ARGS__)
 /*---------------------------------------------------------------------------*/
 /* sys_ctrl.h */
 #include "driverlib/sys_ctrl.h"
@@ -416,7 +414,14 @@
 #define ti_lib_sys_ctrl_aon_sync(...)                         SysCtrlAonSync(__VA_ARGS__)
 #define ti_lib_sys_ctrl_aon_update(...)                       SysCtrlAonUpdate(__VA_ARGS__)
 #define ti_lib_sys_ctrl_set_recharge_before_power_down(...)   SysCtrlSetRechargeBeforePowerDown(__VA_ARGS__)
-#define ti_lib_sys_ctrl_adjust_recharge_after_power_down(...) SysCtrlAdjustRechargeAfterPowerDown(__VA_ARGS__)
+
+#if CPU_FAMILY_CC26X0R2
+/* May need to change to XOSC_IN_LOW_POWER_MODE */
+#define ti_lib_sys_ctrl_adjust_recharge_after_power_down()    SysCtrlAdjustRechargeAfterPowerDown(XOSC_IN_HIGH_POWER_MODE)
+#else
+#define ti_lib_sys_ctrl_adjust_recharge_after_power_down()    SysCtrlAdjustRechargeAfterPowerDown()
+#endif /* CPU_FAMILY_CC26X0R2 */
+
 #define ti_lib_sys_ctrl_dcdc_voltage_conditional_control(...) SysCtrl_DCDC_VoltageConditionalControl(__VA_ARGS__)
 #define ti_lib_sys_ctrl_reset_source_get(...)                 SysCtrlResetSourceGet(__VA_ARGS__)
 #define ti_lib_sys_ctrl_system_reset(...)                     SysCtrlSystemReset(__VA_ARGS__)
diff --git a/arch/cpu/native/Makefile.native b/arch/cpu/native/Makefile.native
index d7832d35818031a965d329bb9de9ee82ab60aaf0..30883622d07624f215699ad2aad98fcfa3e1a9c7 100644
--- a/arch/cpu/native/Makefile.native
+++ b/arch/cpu/native/Makefile.native
@@ -20,6 +20,30 @@ endif
 CFLAGSNO = -Wall -g -I/usr/local/include $(CFLAGSWERROR)
 CFLAGS  += $(CFLAGSNO)
 
+### Are we building with code size optimisations?
+SMALL ?= 0
+
+# The optimizations on native platform cannot be enabled in GCC (not Clang) versions less than 7.2
+GCC_IS_CLANG := $(shell gcc --version 2> /dev/null | grep clang)
+ifneq ($(GCC_IS_CLANG),)
+  NATIVE_CAN_OPTIIMIZE = 1
+else
+  GCC_VERSION := $(shell gcc -dumpfullversion -dumpversion | cut -b1-3)
+  ifeq ($(shell expr $(GCC_VERSION) \>= 7.2), 1)
+  	NATIVE_CAN_OPTIIMIZE = 1
+  else
+  	NATIVE_CAN_OPTIIMIZE = 0
+  endif
+endif
+
+ifeq ($(NATIVE_CAN_OPTIIMIZE),1)
+  ifeq ($(SMALL),1)
+    CFLAGS += -Os
+  else
+    CFLAGS += -O2
+  endif
+endif
+
 ifeq ($(HOST_OS),Darwin)
 AROPTS = -rc
 LDFLAGS_WERROR := -Wl,-fatal_warnings
diff --git a/arch/cpu/nrf52832/ld/nrf52-pca10036-sd.ld b/arch/cpu/nrf52832/ld/nrf52-pca10036-sd.ld
index f3bc5bc4369e5f882fc1c16c659b637950623d0a..2afa9e6e206dba17adfc73a5fe84a82d47c6098e 100644
--- a/arch/cpu/nrf52832/ld/nrf52-pca10036-sd.ld
+++ b/arch/cpu/nrf52832/ld/nrf52-pca10036-sd.ld
@@ -14,3 +14,5 @@ INCLUDE "nrf5x_common.ld"
 /* These symbols are used by the stack check library. */
 _stack = end;
 _stack_origin = ORIGIN(RAM) + LENGTH(RAM);
+_heap = _stack;
+_eheap = _stack_origin;
diff --git a/arch/cpu/nrf52832/ld/nrf52-pca10040-sd.ld b/arch/cpu/nrf52832/ld/nrf52-pca10040-sd.ld
index 0bc7349e39d1a0bf419d5a1e8008fdf663ee9fdc..b2c747f0a8bd0ae6448b38aa5a72f4e244c77158 100644
--- a/arch/cpu/nrf52832/ld/nrf52-pca10040-sd.ld
+++ b/arch/cpu/nrf52832/ld/nrf52-pca10040-sd.ld
@@ -14,3 +14,5 @@ INCLUDE "nrf5x_common.ld"
 /* These symbols are used by the stack check library. */
 _stack = end;
 _stack_origin = ORIGIN(RAM) + LENGTH(RAM);
+_heap = _stack;
+_eheap = _stack_origin;
diff --git a/arch/cpu/nrf52832/ld/nrf52.ld b/arch/cpu/nrf52832/ld/nrf52.ld
index 87fc9152d5297d731584e7b7079472e5827d2aa5..3fead12502dbe05da3b0ccd1aafc74b9f0acd59d 100644
--- a/arch/cpu/nrf52832/ld/nrf52.ld
+++ b/arch/cpu/nrf52832/ld/nrf52.ld
@@ -14,3 +14,5 @@ INCLUDE "nrf5x_common.ld"
 /* These symbols are used by the stack check library. */
 _stack = end;
 _stack_origin = ORIGIN(RAM) + LENGTH(RAM);
+_heap = _stack;
+_eheap = _stack_origin;
diff --git a/arch/cpu/simplelink-cc13xx-cc26xx/dev/spi-arch.c b/arch/cpu/simplelink-cc13xx-cc26xx/dev/spi-arch.c
index a019a33fb643845df6eb5d1a9b87007ca3fdd559..f4c6114e8ab422e6f9ce5af9c4879ac4b394aefb 100644
--- a/arch/cpu/simplelink-cc13xx-cc26xx/dev/spi-arch.c
+++ b/arch/cpu/simplelink-cc13xx-cc26xx/dev/spi-arch.c
@@ -235,30 +235,6 @@ spi_arch_transfer(const spi_device_t *dev,
   return SPI_DEV_STATUS_OK;
 }
 /*---------------------------------------------------------------------------*/
-spi_status_t
-spi_arch_select(const spi_device_t *dev)
-{
-  if(!spi_arch_has_lock(dev)) {
-    return SPI_DEV_STATUS_BUS_NOT_OWNED;
-  }
-
-  PINCC26XX_setOutputValue(dev->pin_spi_cs, 0);
-
-  return SPI_DEV_STATUS_OK;
-}
-/*---------------------------------------------------------------------------*/
-spi_status_t
-spi_arch_deselect(const spi_device_t *dev)
-{
-  if(!spi_arch_has_lock(dev)) {
-    return SPI_DEV_STATUS_BUS_NOT_OWNED;
-  }
-
-  PINCC26XX_setOutputValue(dev->pin_spi_cs, 1);
-
-  return SPI_DEV_STATUS_OK;
-}
-/*---------------------------------------------------------------------------*/
 /**
  * @}
  * @}
diff --git a/arch/dev/cc1200/cc1200.c b/arch/dev/cc1200/cc1200.c
index 5f76e4817922c89521d971c5992cbae186d37e5d..dd90fdda762cca953d391c7eb65c4c6e10fecaf6 100644
--- a/arch/dev/cc1200/cc1200.c
+++ b/arch/dev/cc1200/cc1200.c
@@ -310,15 +310,7 @@ extern const cc1200_rf_cfg_t CC1200_RF_CFG;
 #define LOCK_SPI()                      do { spi_locked++; } while(0)
 #define SPI_IS_LOCKED()                 (spi_locked != 0)
 #define RELEASE_SPI()                   do { spi_locked--; } while(0)
-/*---------------------------------------------------------------------------*/
-#define BUSYWAIT_UNTIL(cond, max_time) \
-  do { \
-    rtimer_clock_t t0; \
-    t0 = RTIMER_NOW(); \
-    while(!(cond) && RTIMER_CLOCK_LT(RTIMER_NOW(), t0 + (max_time))) { \
-      watchdog_periodic(); \
-    } \
-  } while(0)
+
 /*---------------------------------------------------------------------------*/
 #if CC1200_USE_GPIO2
 /* Configure GPIO interrupts. GPIO0: falling, GPIO2: rising edge */
@@ -378,29 +370,9 @@ extern const cc1200_rf_cfg_t CC1200_RF_CFG;
 #define INFO(...)
 #endif
 
-#if DEBUG_LEVEL > 0
-/*
- * As BUSYWAIT_UNTIL was mainly used to test for a state transition,
- * we define a separate macro for this adding the possibility to
- * throw an error message when the timeout exceeds
- */
-#define BUSYWAIT_UNTIL_STATE(s, t) \
-  do { \
-    rtimer_clock_t t0; \
-    t0 = RTIMER_NOW(); \
-    while((state() != s) && RTIMER_CLOCK_LT(RTIMER_NOW(), t0 + (t))) {} \
-    if(!(RTIMER_CLOCK_LT(RTIMER_NOW(), t0 + (t)))) { \
-      printf("RF: Timeout exceeded in line %d!\n", __LINE__); \
-    } \
-  } while(0)
-#else
-#define BUSYWAIT_UNTIL_STATE(s, t) \
-  do { \
-    rtimer_clock_t t0; \
-    t0 = RTIMER_NOW(); \
-    while((state() != s) && RTIMER_CLOCK_LT(RTIMER_NOW(), t0 + (t))) {} \
-  } while(0)
-#endif
+/* Busy-wait (time-bounded) until the radio reaches a given state */
+#define RTIMER_BUSYWAIT_UNTIL_STATE(s, t) RTIMER_BUSYWAIT_UNTIL(state() == (s), t)
+
 /*---------------------------------------------------------------------------*/
 /* Variables */
 /*---------------------------------------------------------------------------*/
@@ -604,7 +576,7 @@ PROCESS_THREAD(cc1200_process, ev, data)
       /*
        * We are on and not in TX. As every function of this driver
        * assures that we are in RX mode
-       * (using BUSYWAIT_UNTIL_STATE(STATE_RX, ...) construct) in
+       * (using RTIMER_BUSYWAIT_UNTIL_STATE(STATE_RX, ...) construct) in
        * either rx_rx(), idle_calibrate_rx() or transmit(),
        * something probably went wrong in the rx interrupt handler
        * if we are not in RX at this point.
@@ -893,7 +865,7 @@ transmit(unsigned short transmit_len)
      * again as they were turned off in idle()
      */
 
-    BUSYWAIT_UNTIL_STATE(STATE_RX,
+    RTIMER_BUSYWAIT_UNTIL_STATE(STATE_RX,
         CC1200_RF_CFG.tx_rx_turnaround);
 
     ENABLE_GPIO_INTERRUPTS();
@@ -1033,7 +1005,7 @@ channel_clear(void)
     }
 
     /* Wait for CARRIER_SENSE_VALID signal */
-    BUSYWAIT_UNTIL(((rssi0 = single_read(CC1200_RSSI0))
+    RTIMER_BUSYWAIT_UNTIL(((rssi0 = single_read(CC1200_RSSI0))
                     & CC1200_CARRIER_SENSE_VALID),
                    RTIMER_SECOND / 100);
     RF_ASSERT(rssi0 & CC1200_CARRIER_SENSE_VALID);
@@ -1135,7 +1107,7 @@ on(void)
 
     /* Wake-up procedure. Wait for GPIO0 to de-assert (CHIP_RDYn) */
     cc1200_arch_spi_select();
-    BUSYWAIT_UNTIL((cc1200_arch_gpio0_read_pin() == 0),
+    RTIMER_BUSYWAIT_UNTIL((cc1200_arch_gpio0_read_pin() == 0),
                    RTIMER_SECOND / 100);
     RF_ASSERT((cc1200_arch_gpio0_read_pin() == 0));
     cc1200_arch_spi_deselect();
@@ -1239,7 +1211,7 @@ get_rssi(void)
   }
 
   /* Wait for CARRIER_SENSE_VALID signal */
-  BUSYWAIT_UNTIL(((rssi0 = single_read(CC1200_RSSI0))
+  RTIMER_BUSYWAIT_UNTIL(((rssi0 = single_read(CC1200_RSSI0))
                 & CC1200_CARRIER_SENSE_VALID),
                 RTIMER_SECOND / 100);
   RF_ASSERT(rssi0 & CC1200_CARRIER_SENSE_VALID);
@@ -1706,20 +1678,20 @@ configure(void)
   while(1) {
 #if (CC1200_RF_TESTMODE == 1)
     watchdog_periodic();
-    BUSYWAIT_UNTIL(0, RTIMER_SECOND / 10);
+    RTIMER_BUSYWAIT(RTIMER_SECOND / 10);
     leds_off(LEDS_YELLOW);
     leds_on(LEDS_RED);
     watchdog_periodic();
-    BUSYWAIT_UNTIL(0, RTIMER_SECOND / 10);
+    RTIMER_BUSYWAIT(RTIMER_SECOND / 10);
     leds_off(LEDS_RED);
     leds_on(LEDS_YELLOW);
 #else
     watchdog_periodic();
-    BUSYWAIT_UNTIL(0, RTIMER_SECOND / 10);
+    RTIMER_BUSYWAIT(RTIMER_SECOND / 10);
     leds_off(LEDS_GREEN);
     leds_on(LEDS_RED);
     watchdog_periodic();
-    BUSYWAIT_UNTIL(0, RTIMER_SECOND / 10);
+    RTIMER_BUSYWAIT(RTIMER_SECOND / 10);
     leds_off(LEDS_RED);
     leds_on(LEDS_GREEN);
 #endif
@@ -1741,11 +1713,11 @@ configure(void)
   while(1) {
 
     watchdog_periodic();
-    BUSYWAIT_UNTIL(0, RTIMER_SECOND / 10);
+    RTIMER_BUSYWAIT(RTIMER_SECOND / 10);
     leds_off(LEDS_GREEN);
     leds_on(LEDS_YELLOW);
     watchdog_periodic();
-    BUSYWAIT_UNTIL(0, RTIMER_SECOND / 10);
+    RTIMER_BUSYWAIT(RTIMER_SECOND / 10);
     leds_off(LEDS_YELLOW);
     leds_on(LEDS_GREEN);
     clock_delay_usec(1000);
@@ -1866,8 +1838,8 @@ calibrate(void)
   INFO("RF: Calibrate\n");
 
   strobe(CC1200_SCAL);
-  BUSYWAIT_UNTIL_STATE(STATE_CALIBRATE, RTIMER_SECOND / 100);
-  BUSYWAIT_UNTIL_STATE(STATE_IDLE, RTIMER_SECOND / 100);
+  RTIMER_BUSYWAIT_UNTIL_STATE(STATE_CALIBRATE, RTIMER_SECOND / 100);
+  RTIMER_BUSYWAIT_UNTIL_STATE(STATE_IDLE, RTIMER_SECOND / 100);
 
 #if CC1200_CAL_TIMEOUT_SECONDS
   cal_timer = clock_seconds();
@@ -1904,7 +1876,7 @@ idle(void)
   }
 
   strobe(CC1200_SIDLE);
-  BUSYWAIT_UNTIL_STATE(STATE_IDLE, RTIMER_SECOND / 100);
+  RTIMER_BUSYWAIT_UNTIL_STATE(STATE_IDLE, RTIMER_SECOND / 100);
 
 } /* idle(), 21.05.2015 */
 /*---------------------------------------------------------------------------*/
@@ -1922,7 +1894,7 @@ idle_calibrate_rx(void)
   rf_flags &= ~RF_RX_PROCESSING_PKT;
   strobe(CC1200_SFRX);
   strobe(CC1200_SRX);
-  BUSYWAIT_UNTIL_STATE(STATE_RX, RTIMER_SECOND / 100);
+  RTIMER_BUSYWAIT_UNTIL_STATE(STATE_RX, RTIMER_SECOND / 100);
 
   ENABLE_GPIO_INTERRUPTS();
 
@@ -1947,7 +1919,7 @@ rx_rx(void)
     strobe(CC1200_SFTX);
   } else {
     strobe(CC1200_SIDLE);
-    BUSYWAIT_UNTIL_STATE(STATE_IDLE,
+    RTIMER_BUSYWAIT_UNTIL_STATE(STATE_IDLE,
                          RTIMER_SECOND / 100);
   }
 
@@ -1959,7 +1931,7 @@ rx_rx(void)
 
   strobe(CC1200_SFRX);
   strobe(CC1200_SRX);
-  BUSYWAIT_UNTIL_STATE(STATE_RX, RTIMER_SECOND / 100);
+  RTIMER_BUSYWAIT_UNTIL_STATE(STATE_RX, RTIMER_SECOND / 100);
 
 }
 /*---------------------------------------------------------------------------*/
@@ -2002,14 +1974,14 @@ idle_tx_rx(const uint8_t *payload, uint16_t payload_len)
 
 #if USE_SFSTXON
   /* Wait for synthesizer to be ready */
-  BUSYWAIT_UNTIL_STATE(STATE_FSTXON, RTIMER_SECOND / 100);
+  RTIMER_BUSYWAIT_UNTIL_STATE(STATE_FSTXON, RTIMER_SECOND / 100);
 #endif
 
   /* Start TX */
   strobe(CC1200_STX);
 
   /* Wait for TX to start. */
-  BUSYWAIT_UNTIL((cc1200_arch_gpio0_read_pin() == 1), RTIMER_SECOND / 100);
+  RTIMER_BUSYWAIT_UNTIL((cc1200_arch_gpio0_read_pin() == 1), RTIMER_SECOND / 100);
 
   /* Turned off at the latest in idle() */
   TX_LEDS_ON();
@@ -2072,7 +2044,7 @@ idle_tx_rx(const uint8_t *payload, uint16_t payload_len)
        */
 
       INFO("RF: TX failure!\n");
-      BUSYWAIT_UNTIL((state() != STATE_TX), RTIMER_SECOND / 100);
+      RTIMER_BUSYWAIT_UNTIL((state() != STATE_TX), RTIMER_SECOND / 100);
       /* Re-configure GPIO2 */
       single_write(CC1200_IOCFG2, GPIO2_IOCFG);
       idle();
@@ -2086,12 +2058,12 @@ idle_tx_rx(const uint8_t *payload, uint16_t payload_len)
 
   } else {
     /* Wait for TX to complete */
-    BUSYWAIT_UNTIL((cc1200_arch_gpio0_read_pin() == 0),
+    RTIMER_BUSYWAIT_UNTIL((cc1200_arch_gpio0_read_pin() == 0),
                    CC1200_RF_CFG.tx_pkt_lifetime);
   }
 #else
   /* Wait for TX to complete */
-  BUSYWAIT_UNTIL((cc1200_arch_gpio0_read_pin() == 0),
+  RTIMER_BUSYWAIT_UNTIL((cc1200_arch_gpio0_read_pin() == 0),
                  CC1200_RF_CFG.tx_pkt_lifetime);
 #endif
 
diff --git a/arch/platform/cc2538dk/dev/board.h b/arch/platform/cc2538dk/dev/board.h
index 80f036fd7c904c2fafd330f1f1fbc691e313f036..2540b7ce7b73651556ae417a59dbaa262f9f0fbf 100644
--- a/arch/platform/cc2538dk/dev/board.h
+++ b/arch/platform/cc2538dk/dev/board.h
@@ -220,6 +220,18 @@
 #endif  /* #if SPI1_IN_USE */
 /** @} */
 /*---------------------------------------------------------------------------*/
+/**
+ * \name CC2538 TSCH configuration
+ *
+ * @{
+ */
+#define RADIO_PHY_OVERHEAD        CC2538_PHY_OVERHEAD
+#define RADIO_BYTE_AIR_TIME       CC2538_BYTE_AIR_TIME
+#define RADIO_DELAY_BEFORE_TX     CC2538_DELAY_BEFORE_TX
+#define RADIO_DELAY_BEFORE_RX     CC2538_DELAY_BEFORE_RX
+#define RADIO_DELAY_BEFORE_DETECT CC2538_DELAY_BEFORE_DETECT
+/** @} */
+/*---------------------------------------------------------------------------*/
 /**
  * \name Device string used on startup
  * @{
diff --git a/arch/platform/cooja/dev/watchdog.c b/arch/platform/cooja/dev/watchdog.c
index a30fc0fc8704ae84e36e64246e2784915a17c48b..347d9a996fbb4dbae119f94e070629c4d84a83e6 100644
--- a/arch/platform/cooja/dev/watchdog.c
+++ b/arch/platform/cooja/dev/watchdog.c
@@ -30,8 +30,10 @@
  *
  */
 
- /* Dummy watchdog routines for the Raven 1284p */
+ /* Dummy watchdog routines for Cooja motes */
 #include "dev/watchdog.h"
+#include "lib/simEnvChange.h"
+#include "sys/cooja_mt.h"
 
 /*---------------------------------------------------------------------------*/
 void
@@ -47,6 +49,9 @@ watchdog_start(void)
 void
 watchdog_periodic(void)
 {
+  /* Yield and give control back to the simulator scheduler */
+  simProcessRunValue = 1;
+  cooja_mt_yield();
 }
 /*---------------------------------------------------------------------------*/
 void
diff --git a/arch/platform/jn516x/dev/micromac-radio.c b/arch/platform/jn516x/dev/micromac-radio.c
index 6e2ddb9089612b4687626ddabd41437b5b0cedcb..bad81f4f0a6986511cc70f87151d74d41a7d1111 100644
--- a/arch/platform/jn516x/dev/micromac-radio.c
+++ b/arch/platform/jn516x/dev/micromac-radio.c
@@ -130,13 +130,6 @@
 #define MICROMAC_CONF_ALWAYS_ON 1
 #endif /* MICROMAC_CONF_ALWAYS_ON */
 
-#define BUSYWAIT_UNTIL(cond, max_time) \
-  do { \
-    rtimer_clock_t t0; \
-    t0 = RTIMER_NOW(); \
-    while(!(cond) && RTIMER_CLOCK_LT(RTIMER_NOW(), t0 + (max_time))) ; \
-  } while(0)
-
 /* Local variables */
 static volatile signed char radio_last_rssi;
 static volatile uint8_t radio_last_correlation; /* LQI */
@@ -377,14 +370,14 @@ transmit(unsigned short payload_len)
                          (send_on_cca ? E_MMAC_TX_USE_CCA : E_MMAC_TX_NO_CCA));
 #endif
   if(poll_mode) {
-    BUSYWAIT_UNTIL(u32MMAC_PollInterruptSource(E_MMAC_INT_TX_COMPLETE), MAX_PACKET_DURATION);
+    RTIMER_BUSYWAIT_UNTIL(u32MMAC_PollInterruptSource(E_MMAC_INT_TX_COMPLETE), MAX_PACKET_DURATION);
   } else {
     if(in_ack_transmission) {
       /* as nested interupts are not possible, the tx flag will never be cleared */
-      BUSYWAIT_UNTIL(FALSE, MAX_ACK_DURATION);
+      RTIMER_BUSYWAIT_UNTIL(FALSE, MAX_ACK_DURATION);
     } else {
       /* wait until the tx flag is cleared */
-      BUSYWAIT_UNTIL(!tx_in_progress, MAX_PACKET_DURATION);
+      RTIMER_BUSYWAIT_UNTIL(!tx_in_progress, MAX_PACKET_DURATION);
     }
   }
 
diff --git a/arch/platform/jn516x/dev/uart-driver.c b/arch/platform/jn516x/dev/uart-driver.c
index 31a4b286c1436f2ecb071e4a741b90508bf15876..aeeffeeb44cf167694fd0dc548283095fd718cb5 100644
--- a/arch/platform/jn516x/dev/uart-driver.c
+++ b/arch/platform/jn516x/dev/uart-driver.c
@@ -66,14 +66,6 @@ extern volatile unsigned char xonxoff_state;
 
 #endif /* UART_XONXOFF_FLOW_CTRL */
 
-/***        Macro Definitions                                             ***/
-#define BUSYWAIT_UNTIL(cond, max_time) \
-  do { \
-    rtimer_clock_t t0; \
-    t0 = RTIMER_NOW(); \
-    while(!(cond) && RTIMER_CLOCK_LT(RTIMER_NOW(), t0 + (max_time))) ; \
-  } while(0)
-
 #define DEBUG_UART_BUFFERED FALSE
 
 #define CHAR_DEADLINE (uart_char_delay * 100)
@@ -276,7 +268,7 @@ uart_driver_write_with_deadline(uint8_t uart_dev, uint8_t ch)
   volatile int16_t write = 0;
   watchdog_periodic();
   /* wait until there is space in tx fifo */
-  BUSYWAIT_UNTIL(write = (uart_driver_get_tx_fifo_available_space(uart_dev) > 0),
+  RTIMER_BUSYWAIT_UNTIL(write = (uart_driver_get_tx_fifo_available_space(uart_dev) > 0),
                  CHAR_DEADLINE);
   /* write only if there is space so we do not get stuck */
   if(write) {
diff --git a/arch/platform/openmote-cc2538/board.h b/arch/platform/openmote-cc2538/board.h
index abb89b8e21b5ca11ac84dfa7a9cdadaeb35e44d6..6e2a15e4633c7f85db33285c5e71e48660866a62 100644
--- a/arch/platform/openmote-cc2538/board.h
+++ b/arch/platform/openmote-cc2538/board.h
@@ -174,6 +174,18 @@
 #define I2C_SDA_PIN              4
 /** @} */
 /*---------------------------------------------------------------------------*/
+/**
+ * \name CC2538 TSCH configuration
+ *
+ * @{
+ */
+#define RADIO_PHY_OVERHEAD        CC2538_PHY_OVERHEAD
+#define RADIO_BYTE_AIR_TIME       CC2538_BYTE_AIR_TIME
+#define RADIO_DELAY_BEFORE_TX     CC2538_DELAY_BEFORE_TX
+#define RADIO_DELAY_BEFORE_RX     CC2538_DELAY_BEFORE_RX
+#define RADIO_DELAY_BEFORE_DETECT CC2538_DELAY_BEFORE_DETECT
+/** @} */
+/*---------------------------------------------------------------------------*/
 /**
  * \name Device string used on startup
  * @{
diff --git a/arch/platform/simplelink/Makefile.simplelink b/arch/platform/simplelink/Makefile.simplelink
index d14643c3f4c45cec022b46f7d2921d3a42625900..acb613d6e113263ecd04d57dffbe63aa57ec9260 100644
--- a/arch/platform/simplelink/Makefile.simplelink
+++ b/arch/platform/simplelink/Makefile.simplelink
@@ -8,9 +8,7 @@ ifndef CONTIKI
  $(error 'CONTIKI' not defined! You must specify where CONTIKI resides!)
 endif
 
-ifndef BOARD
- $(error 'BOARD' not defined! You must specify which board you are using!)
-endif
+BOARD ?= srf06/cc26x0
 
 ################################################################################
 ### Resolve the SimpleLink Family
diff --git a/arch/platform/srf06-cc26xx/launchpad/cc1350/rf-switch.c b/arch/platform/srf06-cc26xx/launchpad/cc1350/rf-switch.c
index 42e648a73fbef0720ca6789434630ba7dbddec2f..639b246cca2f1ecffad9a458a1fffc572510f316 100644
--- a/arch/platform/srf06-cc26xx/launchpad/cc1350/rf-switch.c
+++ b/arch/platform/srf06-cc26xx/launchpad/cc1350/rf-switch.c
@@ -63,9 +63,9 @@ LPM_MODULE(rf_switch_module, NULL, shutdown_handler, NULL, LPM_DOMAIN_NONE);
 void
 rf_switch_init()
 {
-  ti_lib_rom_ioc_pin_type_gpio_output(POWER_PIN);
+  ti_lib_ioc_pin_type_gpio_output(POWER_PIN);
   ti_lib_gpio_clear_dio(POWER_PIN);
-  ti_lib_rom_ioc_pin_type_gpio_output(SELECT_PIN);
+  ti_lib_ioc_pin_type_gpio_output(SELECT_PIN);
   ti_lib_gpio_clear_dio(SELECT_PIN);
 
   lpm_register_module(&rf_switch_module);
diff --git a/arch/platform/srf06-cc26xx/platform.c b/arch/platform/srf06-cc26xx/platform.c
index 427504ed8d0aa5956c29bd7cc4af8e53855d1045..d160c13e109a9e38211aa804d71e1303e8512822 100644
--- a/arch/platform/srf06-cc26xx/platform.c
+++ b/arch/platform/srf06-cc26xx/platform.c
@@ -158,11 +158,11 @@ platform_init_stage_one()
    * latches in the first place. Before doing these things though, we should
    * allow software to first regain control of pins
    */
-#if !defined(ThisLibraryIsFor_CC26x0R2_HaltIfViolated)
-  ti_lib_pwr_ctrl_io_freeze_disable();
+  ti_lib_aon_ioc_freeze_disable();
+  HWREG(AON_SYSCTL_BASE + AON_SYSCTL_O_SLEEPCTL) = 1;
+  ti_lib_sys_ctrl_aon_sync();
 
-#endif
-  ti_lib_rom_int_enable(INT_AON_GPIO_EDGE);
+  ti_lib_int_enable(INT_AON_GPIO_EDGE);
   ti_lib_int_master_enable();
 
   soc_rtc_init();
diff --git a/arch/platform/srf06-cc26xx/sensortag/mpu-9250-sensor.c b/arch/platform/srf06-cc26xx/sensortag/mpu-9250-sensor.c
index a2b3651e58bc3a9135c07ec408ef4b92a3f35c5d..9e9685cd37aec8ebf24c11d9aba28c8fde81df1d 100644
--- a/arch/platform/srf06-cc26xx/sensortag/mpu-9250-sensor.c
+++ b/arch/platform/srf06-cc26xx/sensortag/mpu-9250-sensor.c
@@ -601,11 +601,11 @@ configure(int type, int enable)
 {
   switch(type) {
   case SENSORS_HW_INIT:
-    ti_lib_rom_ioc_pin_type_gpio_input(BOARD_IOID_MPU_INT);
+    ti_lib_ioc_pin_type_gpio_input(BOARD_IOID_MPU_INT);
     ti_lib_ioc_io_port_pull_set(BOARD_IOID_MPU_INT, IOC_IOPULL_DOWN);
     ti_lib_ioc_io_hyst_set(BOARD_IOID_MPU_INT, IOC_HYST_ENABLE);
 
-    ti_lib_rom_ioc_pin_type_gpio_output(BOARD_IOID_MPU_POWER);
+    ti_lib_ioc_pin_type_gpio_output(BOARD_IOID_MPU_POWER);
     ti_lib_ioc_io_drv_strength_set(BOARD_IOID_MPU_POWER, IOC_CURRENT_4MA,
                                    IOC_STRENGTH_MAX);
     ti_lib_gpio_clear_dio(BOARD_IOID_MPU_POWER);
diff --git a/arch/platform/srf06-cc26xx/srf06/als-sensor.c b/arch/platform/srf06-cc26xx/srf06/als-sensor.c
index 3b6fdecb9e5d1d6c65c36df81322f148d4a5d26d..42e714065f3e6f49039227a92ba21e372c27d641 100644
--- a/arch/platform/srf06-cc26xx/srf06/als-sensor.c
+++ b/arch/platform/srf06-cc26xx/srf06/als-sensor.c
@@ -59,10 +59,10 @@ config(int type, int enable)
     ti_lib_ioc_pin_type_gpio_output(BOARD_IOID_ALS_PWR);
     break;
   case SENSORS_ACTIVE:
-    ti_lib_rom_ioc_pin_type_gpio_output(BOARD_IOID_ALS_PWR);
-    ti_lib_rom_ioc_port_configure_set(BOARD_IOID_ALS_OUT, IOC_PORT_GPIO,
-                                      IOC_STD_OUTPUT);
-    ti_lib_rom_ioc_pin_type_gpio_input(BOARD_IOID_ALS_OUT);
+    ti_lib_ioc_pin_type_gpio_output(BOARD_IOID_ALS_PWR);
+    ti_lib_ioc_port_configure_set(BOARD_IOID_ALS_OUT, IOC_PORT_GPIO,
+                                  IOC_STD_OUTPUT);
+    ti_lib_ioc_pin_type_gpio_input(BOARD_IOID_ALS_OUT);
 
     if(enable) {
       ti_lib_gpio_set_dio(BOARD_IOID_ALS_PWR);
diff --git a/arch/platform/zoul/Makefile.zoul b/arch/platform/zoul/Makefile.zoul
index 38b86fd136d51583fca3b6cdb515d2ba63e8f6a9..938abe0357eb4814f92ac686eb14452cb3c75d28 100644
--- a/arch/platform/zoul/Makefile.zoul
+++ b/arch/platform/zoul/Makefile.zoul
@@ -46,23 +46,8 @@ MODULES += arch/dev/cc1200 arch/dev/rgb-led os/storage/cfs
 
 BSL = $(CONTIKI)/tools/cc2538-bsl/cc2538-bsl.py
 
-### Use the specific Zoul subplatform to query for connected devices
-ifdef MOTELIST_ZOLERTIA
-  MOTELIST_FLAGS += -b $(MOTELIST_ZOLERTIA)
-endif
-
-### Detect if a mote is connected over serial port
-ifeq ($(HOST_OS),Darwin)
-  USBDEVPREFIX=
-  MOTELIST := $(CONTIKI)/tools/zolertia/motelist-zolertia-macos
-  MOTES := $(shell $(MOTELIST) -c 2>&- | cut -f 2 -d ,)
-else
-### If we are not running under Mac, we assume Linux
-  USBDEVPREFIX=
-  MOTELIST := $(CONTIKI)/tools/zolertia/motelist-zolertia
-  MOTES := $(shell $(MOTELIST) -b $(MOTELIST_ZOLERTIA) -c 2>&- | cut -f 2 -d , | \
-            perl -ne 'print $$1 . " " if(m-(/dev/\w+)-);')
-endif
+MOTES := $(shell python $(TOOLS_DIR)/motelist/motelist.py --omit-header \
+                 | grep $(MOTELIST_ZOLERTIA) | cut -f1 -d " ")
 
 ### If PORT is defined, override to keep backward compatibility
 ifdef PORT
@@ -81,7 +66,8 @@ endif
 
 ### Variable that expands into a pattern rule to upload to a given MOTE.
 ### Requires $(MOTE) to be defined
-### $$$$ Double escapes $s that need to be passed to the shell - once for when make parses UPLOAD_RULE, and once for when the expanded rule is parsed by make.
+### $$$$ Double escapes $s that need to be passed to the shell - once for when
+### make parses UPLOAD_RULE, and once for when the expanded rule is parsed by make.
 define UPLOAD_RULE
 %.$(MOTE): %.bin %.elf
 	@echo "Flashing $(MOTE)"
@@ -94,10 +80,8 @@ endef
 ### Create an upload rule for every MOTE connected
 $(foreach MOTE,$(MOTES),$(eval $(UPLOAD_RULE)))
 
-motelist:
-	$(MOTELIST)
-zoul-motelist:
-	$(MOTELIST) $(MOTELIST_FLAGS)
+.PHONY: zoul-motes
+
 zoul-motes:
 	@echo $(MOTES)
 
diff --git a/arch/platform/zoul/dev/cc1200-zoul-arch.c b/arch/platform/zoul/dev/cc1200-zoul-arch.c
index 8c9d8cdd7e793277fc0162f8ba208866b1217a3a..b0fd8dd96ae8697eb494d2e6fe4e4ba8eaa40672 100644
--- a/arch/platform/zoul/dev/cc1200-zoul-arch.c
+++ b/arch/platform/zoul/dev/cc1200-zoul-arch.c
@@ -76,18 +76,8 @@
 /*---------------------------------------------------------------------------*/
 #if DEBUG_CC1200_ARCH > 0
 #define PRINTF(...) printf(__VA_ARGS__)
-#define BUSYWAIT_UNTIL(cond, max_time)                                  \
-  do {                                                                  \
-    rtimer_clock_t t0;                                                  \
-    t0 = RTIMER_NOW();                                                  \
-    while(!(cond) && RTIMER_CLOCK_LT(RTIMER_NOW(), t0 + (max_time))) {} \
-    if(!(RTIMER_CLOCK_LT(RTIMER_NOW(), t0 + (max_time)))) { \
-      printf("ARCH: Timeout exceeded in line %d!\n", __LINE__); \
-    } \
-  } while(0)
 #else
 #define PRINTF(...)
-#define BUSYWAIT_UNTIL(cond, max_time) while(!cond)
 #endif
 /*---------------------------------------------------------------------------*/
 extern int cc1200_rx_interrupt(void);
@@ -105,7 +95,7 @@ cc1200_arch_spi_select(void)
   /* Set CSn to low (0) */
   GPIO_CLR_PIN(CC1200_SPI_CSN_PORT_BASE, CC1200_SPI_CSN_PIN_MASK);
   /* The MISO pin should go low before chip is fully enabled. */
-  BUSYWAIT_UNTIL(
+  RTIMER_BUSYWAIT_UNTIL(
     GPIO_READ_PIN(CC1200_SPI_MISO_PORT_BASE, CC1200_SPI_MISO_PIN_MASK) == 0,
     RTIMER_SECOND / 100);
 }
@@ -288,7 +278,7 @@ cc1200_arch_init(void)
   cc1200_arch_spi_deselect();
 
   /* Ensure MISO is high */
-  BUSYWAIT_UNTIL(
+  RTIMER_BUSYWAIT_UNTIL(
     GPIO_READ_PIN(CC1200_SPI_MISO_PORT_BASE, CC1200_SPI_MISO_PIN_MASK),
     RTIMER_SECOND / 10);
 }
@@ -297,4 +287,3 @@ cc1200_arch_init(void)
  * @}
  * @}
  */
-
diff --git a/arch/platform/zoul/dev/dht22.c b/arch/platform/zoul/dev/dht22.c
index e5d14d53b10195e9f854cf058d9067f5db525e9c..23174b2e6c4345a59b110bc250057a37572f9650 100644
--- a/arch/platform/zoul/dev/dht22.c
+++ b/arch/platform/zoul/dev/dht22.c
@@ -51,15 +51,6 @@
 #define PRINTF(...)
 #endif
 /*---------------------------------------------------------------------------*/
-#define BUSYWAIT_UNTIL(max_time) \
-  do { \
-    rtimer_clock_t t0; \
-    t0 = RTIMER_NOW(); \
-    while(RTIMER_CLOCK_LT(RTIMER_NOW(), t0 + (max_time))) { \
-      watchdog_periodic(); \
-    } \
-  } while(0)
-/*---------------------------------------------------------------------------*/
 #define DHT22_PORT_BASE          GPIO_PORT_TO_BASE(DHT22_PORT)
 #define DHT22_PIN_MASK           GPIO_PIN_MASK(DHT22_PIN)
 /*---------------------------------------------------------------------------*/
@@ -80,12 +71,12 @@ dht22_read(void)
     /* Exit low power mode and initialize variables */
     GPIO_SET_OUTPUT(DHT22_PORT_BASE, DHT22_PIN_MASK);
     GPIO_SET_PIN(DHT22_PORT_BASE, DHT22_PIN_MASK);
-    BUSYWAIT_UNTIL(DHT22_AWAKE_TIME);
+    RTIMER_BUSYWAIT(DHT22_AWAKE_TIME);
     memset(dht22_data, 0, DHT22_BUFFER);
 
     /* Initialization sequence */
     GPIO_CLR_PIN(DHT22_PORT_BASE, DHT22_PIN_MASK);
-    BUSYWAIT_UNTIL(DHT22_START_TIME);
+    RTIMER_BUSYWAIT(DHT22_START_TIME);
     GPIO_SET_PIN(DHT22_PORT_BASE, DHT22_PIN_MASK);
     clock_delay_usec(DHT22_READY_TIME);
 
diff --git a/arch/platform/zoul/firefly-reva/Makefile.firefly-reva b/arch/platform/zoul/firefly-reva/Makefile.firefly-reva
index afecf9fa57dbb6257810ed30537e85854bd958d5..bfbcb03fb49bacf9d640be3b7ca505896e4341a7 100644
--- a/arch/platform/zoul/firefly-reva/Makefile.firefly-reva
+++ b/arch/platform/zoul/firefly-reva/Makefile.firefly-reva
@@ -1,2 +1,2 @@
-MOTELIST_ZOLERTIA = firefly
+MOTELIST_ZOLERTIA := Firefly
 BOARD_SOURCEFILES += board.c
diff --git a/arch/platform/zoul/firefly/Makefile.firefly b/arch/platform/zoul/firefly/Makefile.firefly
index afecf9fa57dbb6257810ed30537e85854bd958d5..bfbcb03fb49bacf9d640be3b7ca505896e4341a7 100644
--- a/arch/platform/zoul/firefly/Makefile.firefly
+++ b/arch/platform/zoul/firefly/Makefile.firefly
@@ -1,2 +1,2 @@
-MOTELIST_ZOLERTIA = firefly
+MOTELIST_ZOLERTIA := Firefly
 BOARD_SOURCEFILES += board.c
diff --git a/arch/platform/zoul/orion/Makefile.orion b/arch/platform/zoul/orion/Makefile.orion
index ebc1bdad4237a5abdf45aea9ecf45886be071a82..b7313afc0c9dd375c6e351dbc3d4f34406316095 100644
--- a/arch/platform/zoul/orion/Makefile.orion
+++ b/arch/platform/zoul/orion/Makefile.orion
@@ -1,4 +1,4 @@
-MOTELIST_ZOLERTIA = orion
+MOTELIST_ZOLERTIA := Orion
 MODULES += arch/dev/enc28j60
 CC2538_ENC28J60_ARCH ?= gpio
 ifeq ($(WITH_IP64),1)
diff --git a/arch/platform/zoul/remote-reva/Makefile.remote-reva b/arch/platform/zoul/remote-reva/Makefile.remote-reva
index fcccdf0f477fe5fe92a875a6c0b7f1db2dd2ac51..ec4095265147bcac00b2e13909107e09b7cf4093 100644
--- a/arch/platform/zoul/remote-reva/Makefile.remote-reva
+++ b/arch/platform/zoul/remote-reva/Makefile.remote-reva
@@ -1,4 +1,4 @@
-MOTELIST_ZOLERTIA = remote
+MOTELIST_ZOLERTIA := RE-Mote
 BOARD_SOURCEFILES += board.c antenna-sw.c mmc-arch.c rtcc.c power-mgmt.c
 
 MODULES += os/lib/fs/fat os/lib/fs/fat/option arch/platform/zoul/fs/fat arch/dev/disk/mmc
diff --git a/arch/platform/zoul/remote-revb/Makefile.remote-revb b/arch/platform/zoul/remote-revb/Makefile.remote-revb
index fcccdf0f477fe5fe92a875a6c0b7f1db2dd2ac51..ec4095265147bcac00b2e13909107e09b7cf4093 100644
--- a/arch/platform/zoul/remote-revb/Makefile.remote-revb
+++ b/arch/platform/zoul/remote-revb/Makefile.remote-revb
@@ -1,4 +1,4 @@
-MOTELIST_ZOLERTIA = remote
+MOTELIST_ZOLERTIA := RE-Mote
 BOARD_SOURCEFILES += board.c antenna-sw.c mmc-arch.c rtcc.c power-mgmt.c
 
 MODULES += os/lib/fs/fat os/lib/fs/fat/option arch/platform/zoul/fs/fat arch/dev/disk/mmc
diff --git a/examples/6tisch/6p-packet/Makefile b/examples/6tisch/6p-packet/Makefile
index ac92805aeba88d0c4fa071a0c217c23bcda6c60c..3ba74d3b9bfb93281a2653dce97a98352b6161d2 100644
--- a/examples/6tisch/6p-packet/Makefile
+++ b/examples/6tisch/6p-packet/Makefile
@@ -2,7 +2,6 @@ CONTIKI_PROJECT      = sixp-node
 PROJECT_SOURCEFILES += test-sf.c
 
 PLATFORMS_EXCLUDE = sky nrf52dk native simplelink
-BOARDS_EXCLUDE = srf06/cc13xx launchpad/cc1310 launchpad/cc1350 sensortag/cc2650 sensortag/cc1350
 
 CONTIKI  = ../../../
 
diff --git a/examples/6tisch/etsi-plugtest-2017/Makefile b/examples/6tisch/etsi-plugtest-2017/Makefile
index b5aeb66f5b421843cdb3cc466b2b4fb64c63233c..6dc463078bb76f5cbbf6ad702cdaf9259fa22f6c 100644
--- a/examples/6tisch/etsi-plugtest-2017/Makefile
+++ b/examples/6tisch/etsi-plugtest-2017/Makefile
@@ -2,7 +2,7 @@ CONTIKI_PROJECT = node
 all: $(CONTIKI_PROJECT)
 
 PLATFORMS_EXCLUDE = sky nrf52dk native simplelink
-BOARDS_EXCLUDE = srf06/cc13xx launchpad/cc1310 launchpad/cc1350 sensortag/cc2650 sensortag/cc1350
+BOARDS_EXCLUDE = sensortag/cc2650 sensortag/cc1350
 
 MAKE_WITH_SECURITY   ?= 0 # force Security from command line
 ifeq ($(MAKE_WITH_SECURITY),1)
diff --git a/examples/6tisch/simple-node/Makefile b/examples/6tisch/simple-node/Makefile
index c2e976b4e275aafbec92384bb34c736fcbd1575b..06a83ebdda2ad92a1f218cfe9f62f9de17c090bc 100644
--- a/examples/6tisch/simple-node/Makefile
+++ b/examples/6tisch/simple-node/Makefile
@@ -2,7 +2,6 @@ CONTIKI_PROJECT = node
 all: $(CONTIKI_PROJECT)
 
 PLATFORMS_EXCLUDE = sky nrf52dk native simplelink
-BOARDS_EXCLUDE = srf06/cc13xx launchpad/cc1310 launchpad/cc1350 sensortag/cc2650 sensortag/cc1350
 
 CONTIKI=../../..
 
diff --git a/examples/6tisch/sixtop/Makefile b/examples/6tisch/sixtop/Makefile
index 2469cd445cb19ddefd09bb096bd50598241dac48..5c35696e452c7dc62c55c8ebdfdfed52f679702a 100644
--- a/examples/6tisch/sixtop/Makefile
+++ b/examples/6tisch/sixtop/Makefile
@@ -2,7 +2,6 @@ CONTIKI_PROJECT = node-sixtop
 all: $(CONTIKI_PROJECT)
 
 PLATFORMS_EXCLUDE = sky nrf52dk native simplelink
-BOARDS_EXCLUDE = srf06/cc13xx launchpad/cc1310 launchpad/cc1350 sensortag/cc2650 sensortag/cc1350
 
 PROJECT_SOURCEFILES += sf-simple.c
 CONTIKI=../../..
diff --git a/examples/libs/timers/all-timers.c b/examples/libs/timers/all-timers.c
index 2a1f27b28b905edc6f6f50df7194986282143c75..bb6dfed90065af6f499ba9d6d0ee8ee3084697ea 100644
--- a/examples/libs/timers/all-timers.c
+++ b/examples/libs/timers/all-timers.c
@@ -79,7 +79,7 @@ PROCESS_THREAD(timer_process, ev, data)
   PROCESS_BEGIN();
 
   ctimer_set(&timer_ctimer, CLOCK_SECOND, ctimer_callback, NULL);
-  rtimer_set(&timer_rtimer, RTIMER_NOW() + CLOCK_SECOND / 2, 0,
+  rtimer_set(&timer_rtimer, RTIMER_NOW() + RTIMER_SECOND / 2, 0,
              rtimer_callback, NULL);
 
   while(1) {
diff --git a/examples/platform-specific/cc26xx/cc26xx-web-demo/cc26xx-web-demo.h b/examples/platform-specific/cc26xx/cc26xx-web-demo/cc26xx-web-demo.h
index 0761725c7a38ae194fdc14372ae1e4d9073326eb..f59e41bc7b4c7c817f4ae92901b6137c9d6b8fb1 100644
--- a/examples/platform-specific/cc26xx/cc26xx-web-demo/cc26xx-web-demo.h
+++ b/examples/platform-specific/cc26xx/cc26xx-web-demo/cc26xx-web-demo.h
@@ -119,7 +119,7 @@
 /*---------------------------------------------------------------------------*/
 /* Default configuration values */
 #define CC26XX_WEB_DEMO_DEFAULT_ORG_ID              "quickstart"
-#if CPU_FAMILY_CC13XX
+#if CPU_FAMILY_CC13X0
 #define CC26XX_WEB_DEMO_DEFAULT_TYPE_ID             "cc13xx"
 #else
 #define CC26XX_WEB_DEMO_DEFAULT_TYPE_ID             "cc26xx"
diff --git a/os/dev/spi.c b/os/dev/spi.c
index 145a4f72ec2f8fceb73341aa65ead30d64abef9d..091cf8e51c0afe876248f9e7c99399b4f22c7bc8 100644
--- a/os/dev/spi.c
+++ b/os/dev/spi.c
@@ -67,13 +67,21 @@ spi_release(const spi_device_t *dev)
 spi_status_t
 spi_select(const spi_device_t *dev)
 {
-  return spi_arch_select(dev);
+  if(!spi_arch_has_lock(dev)) {
+    return SPI_DEV_STATUS_BUS_NOT_OWNED;
+  }
+
+  gpio_hal_arch_clear_pin(dev->pin_spi_cs);
+
+  return SPI_DEV_STATUS_OK;
 }
 /*---------------------------------------------------------------------------*/
 spi_status_t
 spi_deselect(const spi_device_t *dev)
 {
-  return spi_arch_deselect(dev);
+  gpio_hal_arch_set_pin(dev->pin_spi_cs);
+
+  return SPI_DEV_STATUS_OK;
 }
 /*---------------------------------------------------------------------------*/
 bool
diff --git a/os/dev/spi.h b/os/dev/spi.h
index b7114717f0b40413334be2ab0287b09a214e2785..9dda05b8efdd44fb382a2035d098fb0f3c54be9d 100644
--- a/os/dev/spi.h
+++ b/os/dev/spi.h
@@ -323,25 +323,6 @@ spi_status_t spi_arch_transfer(const spi_device_t *dev,
                                uint8_t *buf, int rlen,
                                int ignore_len);
 
-/**
- * \brief Selects an SPI device
- * \param dev An SPI device configuration that specifies the CS pin.
- * \return SPI return code
- *
- * Clears the CS pin. It should work only if the device has already
- * locked the SPI controller.
- */
-spi_status_t spi_arch_select(const spi_device_t *dev);
-
-/**
- * \brief Deselects an SPI device
- * \param dev An SPI device configuration that specifies the CS pin.
- * \return SPI return code
- *
- * Set the CS pin. Locking the SPI controller is not needed.
- */
-spi_status_t spi_arch_deselect(const spi_device_t *dev);
-
 #endif /* SPI_H_ */
 /*---------------------------------------------------------------------------*/
 /**
diff --git a/os/net/app-layer/mqtt/mqtt.c b/os/net/app-layer/mqtt/mqtt.c
index 46a542c3f5922edb6be592aba1c4674eafcb026b..9571244d87957b4c3a7260f29d306e03fd8fe4d2 100644
--- a/os/net/app-layer/mqtt/mqtt.c
+++ b/os/net/app-layer/mqtt/mqtt.c
@@ -872,6 +872,7 @@ parse_publish_vhdr(struct mqtt_connection *conn,
 
   /* Read out topic length */
   if(conn->in_packet.topic_len_received == 0) {
+    conn->in_packet.topic_pos = 0;
     conn->in_packet.topic_len = (input_data_ptr[(*pos)++] << 8);
     conn->in_packet.byte_counter++;
     if(*pos >= input_data_len) {
@@ -880,7 +881,11 @@ parse_publish_vhdr(struct mqtt_connection *conn,
     conn->in_packet.topic_len |= input_data_ptr[(*pos)++];
     conn->in_packet.byte_counter++;
     conn->in_packet.topic_len_received = 1;
-
+    /* Abort if topic is longer than our topic buffer */
+    if(conn->in_packet.topic_len > MQTT_MAX_TOPIC_LENGTH) {
+      DBG("MQTT - topic too long %u/%u\n", conn->in_packet.topic_len, MQTT_MAX_TOPIC_LENGTH);
+      return;
+    }
     DBG("MQTT - Read PUBLISH topic len %i\n", conn->in_packet.topic_len);
     /* WARNING: Check here if TOPIC fits in payload area, otherwise error */
   }
diff --git a/os/net/link-stats.c b/os/net/link-stats.c
index 8ec372f4eeeafdf0c38defd1d4b7274408da1532..c11365b9a2abbe2100a5a6224195c1907e74e00f 100644
--- a/os/net/link-stats.c
+++ b/os/net/link-stats.c
@@ -37,12 +37,10 @@
 #include "net/link-stats.h"
 #include <stdio.h>
 
-#define DEBUG 0
-#if DEBUG
-#define PRINTF(...) printf(__VA_ARGS__)
-#else
-#define PRINTF(...)
-#endif
+/* Log configuration */
+#include "sys/log.h"
+#define LOG_MODULE "Link Stats"
+#define LOG_LEVEL LOG_LEVEL_MAC
 
 /* Maximum value for the Tx count counter */
 #define TX_COUNT_MAX                    32
@@ -82,6 +80,13 @@ link_stats_from_lladdr(const linkaddr_t *lladdr)
   return nbr_table_get_from_lladdr(link_stats, lladdr);
 }
 /*---------------------------------------------------------------------------*/
+/* Returns the neighbor's address given a link stats item */
+const linkaddr_t *
+link_stats_get_lladdr(const struct link_stats *stat)
+{
+  return nbr_table_get_lladdr(link_stats, stat);
+}
+/*---------------------------------------------------------------------------*/
 /* Are the statistics fresh? */
 int
 link_stats_is_fresh(const struct link_stats *stats)
@@ -156,6 +161,14 @@ link_stats_packet_sent(const linkaddr_t *lladdr, int status, int numtx)
   stats->last_tx_time = clock_time();
   stats->freshness = MIN(stats->freshness + numtx, FRESHNESS_MAX);
 
+#if LINK_STATS_PACKET_COUNTERS
+  /* Update paket counters */
+  stats->cnt_current.num_packets_tx += numtx;
+  if(status == MAC_TX_OK) {
+    stats->cnt_current.num_packets_acked++;
+  }
+#endif
+
   /* Add penalty in case of no-ACK */
   if(status == MAC_TX_NOACK) {
     numtx += ETX_NOACK_PENALTY;
@@ -219,8 +232,38 @@ link_stats_input_callback(const linkaddr_t *lladdr)
   /* Update RSSI EWMA */
   stats->rssi = ((int32_t)stats->rssi * (EWMA_SCALE - EWMA_ALPHA) +
       (int32_t)packet_rssi * EWMA_ALPHA) / EWMA_SCALE;
+
+#if LINK_STATS_PACKET_COUNTERS
+  stats->cnt_current.num_packets_rx++;
+#endif
+}
+/*---------------------------------------------------------------------------*/
+#if LINK_STATS_PACKET_COUNTERS
+/*---------------------------------------------------------------------------*/
+static void
+print_and_update_counters(void)
+{
+  struct link_stats *stats;
+
+  for(stats = nbr_table_head(link_stats); stats != NULL;
+      stats = nbr_table_next(link_stats, stats)) {
+
+    struct link_packet_counter *c = &stats->cnt_current;
+
+    LOG_INFO("num packets: tx=%u ack=%u rx=%u to=",
+             c->num_packets_tx, c->num_packets_acked, c->num_packets_rx);
+    LOG_INFO_LLADDR(link_stats_get_lladdr(stats));
+    LOG_INFO_("\n");
+
+    stats->cnt_total.num_packets_tx += stats->cnt_current.num_packets_tx;
+    stats->cnt_total.num_packets_acked += stats->cnt_current.num_packets_acked;
+    stats->cnt_total.num_packets_rx += stats->cnt_current.num_packets_rx;
+    memset(&stats->cnt_current, 0, sizeof(stats->cnt_current));
+  }
 }
 /*---------------------------------------------------------------------------*/
+#endif /* LINK_STATS_PACKET_COUNTERS */
+/*---------------------------------------------------------------------------*/
 /* Periodic timer called at a period of FRESHNESS_HALF_LIFE */
 static void
 periodic(void *ptr)
@@ -231,6 +274,10 @@ periodic(void *ptr)
   for(stats = nbr_table_head(link_stats); stats != NULL; stats = nbr_table_next(link_stats, stats)) {
     stats->freshness >>= 1;
   }
+
+#if LINK_STATS_PACKET_COUNTERS
+  print_and_update_counters();
+#endif
 }
 /*---------------------------------------------------------------------------*/
 /* Resets link-stats module */
diff --git a/os/net/link-stats.h b/os/net/link-stats.h
index cca15fd32e42e4fe11197190ab9337a5bf68ca1a..51f1d285b8645527b031676cbb56dee91695e5bd 100644
--- a/os/net/link-stats.h
+++ b/os/net/link-stats.h
@@ -56,6 +56,25 @@
 #define LINK_STATS_ETX_FROM_PACKET_COUNT           0
 #endif /* LINK_STATS_ETX_FROM_PACKET_COUNT */
 
+/* Store and periodically print packet counters? */
+#ifdef LINK_STATS_CONF_PACKET_COUNTERS
+#define LINK_STATS_PACKET_COUNTERS LINK_STATS_CONF_PACKET_COUNTERS
+#else /* LINK_STATS_CONF_PACKET_COUNTERS */
+#define LINK_STATS_PACKET_COUNTERS           0
+#endif /* LINK_STATS_PACKET_COUNTERS */
+
+typedef uint16_t link_packet_stat_t;
+
+struct link_packet_counter {
+  /* total attempts to transmit unicast packets */
+  link_packet_stat_t num_packets_tx;
+  /* total ACKs for unicast packets */
+  link_packet_stat_t num_packets_acked;
+  /* total number of unicast and broadcast packets received */
+  link_packet_stat_t num_packets_rx;
+};
+
+
 /* All statistics of a given link */
 struct link_stats {
   clock_time_t last_tx_time;  /* Last Tx timestamp */
@@ -66,10 +85,17 @@ struct link_stats {
   uint8_t tx_count;           /* Tx count, used for ETX calculation */
   uint8_t ack_count;          /* ACK count, used for ETX calculation */
 #endif /* LINK_STATS_ETX_FROM_PACKET_COUNT */
+
+#if LINK_STATS_PACKET_COUNTERS
+  struct link_packet_counter cnt_current; /* packets in the current period */
+  struct link_packet_counter cnt_total;   /* packets in total */
+#endif
 };
 
 /* Returns the neighbor's link statistics */
 const struct link_stats *link_stats_from_lladdr(const linkaddr_t *lladdr);
+/* Returns the address of the neighbor */
+const linkaddr_t *link_stats_get_lladdr(const struct link_stats *);
 /* Are the statistics fresh? */
 int link_stats_is_fresh(const struct link_stats *stats);
 /* Resets link-stats module */
diff --git a/os/net/mac/csma/csma-output.c b/os/net/mac/csma/csma-output.c
index 9c88d569d4c45178e9312eb3f367f26e1a5b4e73..1773e0cb00b8d2de9da8e307b0713bf946e5114b 100644
--- a/os/net/mac/csma/csma-output.c
+++ b/os/net/mac/csma/csma-output.c
@@ -50,11 +50,6 @@
 #include "lib/list.h"
 #include "lib/memb.h"
 
-#if CONTIKI_TARGET_COOJA
-#include "lib/simEnvChange.h"
-#include "sys/cooja_mt.h"
-#endif /* CONTIKI_TARGET_COOJA */
-
 /* Log configuration */
 #include "sys/log.h"
 #define LOG_MODULE "CSMA"
@@ -201,17 +196,10 @@ send_one_packet(void *ptr)
         if(is_broadcast) {
           ret = MAC_TX_OK;
         } else {
-          rtimer_clock_t wt;
-
           /* Check for ack */
-          wt = RTIMER_NOW();
-          watchdog_periodic();
-          while(RTIMER_CLOCK_LT(RTIMER_NOW(), wt + CSMA_ACK_WAIT_TIME)) {
-#if CONTIKI_TARGET_COOJA
-            simProcessRunValue = 1;
-            cooja_mt_yield();
-#endif /* CONTIKI_TARGET_COOJA */
-          }
+
+          /* Wait for max CSMA_ACK_WAIT_TIME */
+          RTIMER_BUSYWAIT_UNTIL(NETSTACK_RADIO.pending_packet(), CSMA_ACK_WAIT_TIME);
 
           ret = MAC_TX_NOACK;
           if(NETSTACK_RADIO.receiving_packet() ||
@@ -220,17 +208,8 @@ send_one_packet(void *ptr)
             int len;
             uint8_t ackbuf[CSMA_ACK_LEN];
 
-            if(CSMA_AFTER_ACK_DETECTED_WAIT_TIME > 0) {
-              wt = RTIMER_NOW();
-              watchdog_periodic();
-              while(RTIMER_CLOCK_LT(RTIMER_NOW(),
-                                    wt + CSMA_AFTER_ACK_DETECTED_WAIT_TIME)) {
-#if CONTIKI_TARGET_COOJA
-                simProcessRunValue = 1;
-                cooja_mt_yield();
-#endif /* CONTIKI_TARGET_COOJA */
-              }
-            }
+            /* Wait an additional CSMA_AFTER_ACK_DETECTED_WAIT_TIME to complete reception */
+            RTIMER_BUSYWAIT_UNTIL(NETSTACK_RADIO.pending_packet(), CSMA_AFTER_ACK_DETECTED_WAIT_TIME);
 
             if(NETSTACK_RADIO.pending_packet()) {
               len = NETSTACK_RADIO.read(ackbuf, CSMA_ACK_LEN);
diff --git a/os/net/mac/tsch/tsch-const.h b/os/net/mac/tsch/tsch-const.h
index edc989378cd13dc8e8f011114b18ce357ffa9e73..d158c802c195c56f07e155e95fac99df540645a0 100644
--- a/os/net/mac/tsch/tsch-const.h
+++ b/os/net/mac/tsch/tsch-const.h
@@ -77,9 +77,7 @@
 /* The approximate number of slots per second */
 #define TSCH_SLOTS_PER_SECOND (1000000 / tsch_timing_us[tsch_ts_timeslot_length])
 
-/* Calculate packet tx/rx duration in rtimer ticks based on sent
- * packet len in bytes with 802.15.4 250kbps data rate.
- * One byte = 32us. Add two bytes for CRC and one for len field */
+/* Calculate packet tx/rx duration in rtimer ticks based on packet length in bytes. */
 #define TSCH_PACKET_DURATION(len) US_TO_RTIMERTICKS(RADIO_BYTE_AIR_TIME * ((len) + RADIO_PHY_OVERHEAD))
 
 /* Convert rtimer ticks to clock and vice versa */
diff --git a/os/net/mac/tsch/tsch-slot-operation.c b/os/net/mac/tsch/tsch-slot-operation.c
index b1a3f6ba80cc5768690b16db98d6007d58d0c4c5..841dee07f850cce3999eade96fff1be8671b8ad1 100644
--- a/os/net/mac/tsch/tsch-slot-operation.c
+++ b/os/net/mac/tsch/tsch-slot-operation.c
@@ -52,10 +52,6 @@
 #include "net/queuebuf.h"
 #include "net/mac/framer/framer-802154.h"
 #include "net/mac/tsch/tsch.h"
-#if CONTIKI_TARGET_COOJA
-#include "lib/simEnvChange.h"
-#include "sys/cooja_mt.h"
-#endif /* CONTIKI_TARGET_COOJA */
 
 #include "sys/log.h"
 /* TSCH debug macros, i.e. to set LEDs or GPIOs on various TSCH
@@ -206,10 +202,7 @@ tsch_get_lock(void)
       busy_wait = 1;
       busy_wait_time = RTIMER_NOW();
       while(tsch_in_slot_operation) {
-#if CONTIKI_TARGET_COOJA
-        simProcessRunValue = 1;
-        cooja_mt_yield();
-#endif /* CONTIKI_TARGET_COOJA */
+        watchdog_periodic();
       }
       busy_wait_time = RTIMER_NOW() - busy_wait_time;
     }
@@ -303,7 +296,7 @@ tsch_schedule_slot_operation(struct rtimer *tm, rtimer_clock_t ref_time, rtimer_
   }
 
   /* block until the time to schedule comes */
-  BUSYWAIT_UNTIL_ABS(0, ref_time, offset);
+  RTIMER_BUSYWAIT_UNTIL_ABS(0, ref_time, offset);
   return 0;
 }
 /*---------------------------------------------------------------------------*/
@@ -314,7 +307,7 @@ tsch_schedule_slot_operation(struct rtimer *tm, rtimer_clock_t ref_time, rtimer_
   do { \
     if(tsch_schedule_slot_operation(tm, ref_time, offset - RTIMER_GUARD, str)) { \
       PT_YIELD(pt); \
-      BUSYWAIT_UNTIL_ABS(0, ref_time, offset); \
+      RTIMER_BUSYWAIT_UNTIL_ABS(0, ref_time, offset); \
     } \
   } while(0);
 /*---------------------------------------------------------------------------*/
@@ -514,7 +507,7 @@ PT_THREAD(tsch_tx_slot(struct pt *pt, struct rtimer *t))
         TSCH_DEBUG_TX_EVENT();
         tsch_radio_on(TSCH_RADIO_CMD_ON_WITHIN_TIMESLOT);
         /* CCA */
-        BUSYWAIT_UNTIL_ABS(!(cca_status &= NETSTACK_RADIO.channel_clear()),
+        RTIMER_BUSYWAIT_UNTIL_ABS(!(cca_status &= NETSTACK_RADIO.channel_clear()),
                            current_slot_start, tsch_timing[tsch_ts_cca_offset] + tsch_timing[tsch_ts_cca]);
         TSCH_DEBUG_TX_EVENT();
         /* there is not enough time to turn radio off */
@@ -561,14 +554,14 @@ PT_THREAD(tsch_tx_slot(struct pt *pt, struct rtimer *t))
               TSCH_DEBUG_TX_EVENT();
               tsch_radio_on(TSCH_RADIO_CMD_ON_WITHIN_TIMESLOT);
               /* Wait for ACK to come */
-              BUSYWAIT_UNTIL_ABS(NETSTACK_RADIO.receiving_packet(),
+              RTIMER_BUSYWAIT_UNTIL_ABS(NETSTACK_RADIO.receiving_packet(),
                   tx_start_time, tx_duration + tsch_timing[tsch_ts_rx_ack_delay] + tsch_timing[tsch_ts_ack_wait] + RADIO_DELAY_BEFORE_DETECT);
               TSCH_DEBUG_TX_EVENT();
 
               ack_start_time = RTIMER_NOW() - RADIO_DELAY_BEFORE_DETECT;
 
               /* Wait for ACK to finish */
-              BUSYWAIT_UNTIL_ABS(!NETSTACK_RADIO.receiving_packet(),
+              RTIMER_BUSYWAIT_UNTIL_ABS(!NETSTACK_RADIO.receiving_packet(),
                                  ack_start_time, tsch_timing[tsch_ts_max_ack]);
               TSCH_DEBUG_TX_EVENT();
               tsch_radio_off(TSCH_RADIO_CMD_OFF_WITHIN_TIMESLOT);
@@ -748,7 +741,7 @@ PT_THREAD(tsch_rx_slot(struct pt *pt, struct rtimer *t))
     packet_seen = NETSTACK_RADIO.receiving_packet() || NETSTACK_RADIO.pending_packet();
     if(!packet_seen) {
       /* Check if receiving within guard time */
-      BUSYWAIT_UNTIL_ABS((packet_seen = NETSTACK_RADIO.receiving_packet()),
+      RTIMER_BUSYWAIT_UNTIL_ABS((packet_seen = NETSTACK_RADIO.receiving_packet()),
           current_slot_start, tsch_timing[tsch_ts_rx_offset] + tsch_timing[tsch_ts_rx_wait] + RADIO_DELAY_BEFORE_DETECT);
     }
     if(!packet_seen) {
@@ -760,7 +753,7 @@ PT_THREAD(tsch_rx_slot(struct pt *pt, struct rtimer *t))
       rx_start_time = RTIMER_NOW() - RADIO_DELAY_BEFORE_DETECT;
 
       /* Wait until packet is received, turn radio off */
-      BUSYWAIT_UNTIL_ABS(!NETSTACK_RADIO.receiving_packet(),
+      RTIMER_BUSYWAIT_UNTIL_ABS(!NETSTACK_RADIO.receiving_packet(),
           current_slot_start, tsch_timing[tsch_ts_rx_offset] + tsch_timing[tsch_ts_rx_wait] + tsch_timing[tsch_ts_max_tx]);
       TSCH_DEBUG_RX_EVENT();
       tsch_radio_off(TSCH_RADIO_CMD_OFF_WITHIN_TIMESLOT);
diff --git a/os/net/mac/tsch/tsch.c b/os/net/mac/tsch/tsch.c
index e78b888d0dbd1cc08f96bca64899cb4189fda6aa..25b565809278134f890213894d1740387d58d19c 100644
--- a/os/net/mac/tsch/tsch.c
+++ b/os/net/mac/tsch/tsch.c
@@ -737,7 +737,7 @@ PT_THREAD(tsch_scan(struct pt *pt))
     if(!is_packet_pending && NETSTACK_RADIO.receiving_packet()) {
       /* If we are currently receiving a packet, wait until end of reception */
       t0 = RTIMER_NOW();
-      BUSYWAIT_UNTIL_ABS((is_packet_pending = NETSTACK_RADIO.pending_packet()), t0, RTIMER_SECOND / 100);
+      RTIMER_BUSYWAIT_UNTIL_ABS((is_packet_pending = NETSTACK_RADIO.pending_packet()), t0, RTIMER_SECOND / 100);
     }
 
     if(is_packet_pending) {
diff --git a/os/net/mac/tsch/tsch.h b/os/net/mac/tsch/tsch.h
index 65a46521ffa65f89d107f658e36311a0cefc20e6..db23b4851d061c93062a546644d7c46ee7f3213a 100644
--- a/os/net/mac/tsch/tsch.h
+++ b/os/net/mac/tsch/tsch.h
@@ -65,30 +65,12 @@ frequency hopping for enhanced reliability.
 #include "net/mac/tsch/tsch-rpl.h"
 #endif /* UIP_CONF_IPV6_RPL */
 
-#if CONTIKI_TARGET_COOJA
-#include "lib/simEnvChange.h"
-#include "sys/cooja_mt.h"
-#endif /* CONTIKI_TARGET_COOJA */
 
 /* Include Arch-Specific conf */
 #ifdef TSCH_CONF_ARCH_HDR_PATH
 #include TSCH_CONF_ARCH_HDR_PATH
 #endif /* TSCH_CONF_ARCH_HDR_PATH */
 
-/*********** Macros *********/
-
-/* Wait for a condition with timeout t0+offset. */
-#if CONTIKI_TARGET_COOJA
-#define BUSYWAIT_UNTIL_ABS(cond, t0, offset) \
-  while(!(cond) && RTIMER_CLOCK_LT(RTIMER_NOW(), (t0) + (offset))) { \
-    simProcessRunValue = 1; \
-    cooja_mt_yield(); \
-  };
-#else
-#define BUSYWAIT_UNTIL_ABS(cond, t0, offset) \
-  while(!(cond) && RTIMER_CLOCK_LT(RTIMER_NOW(), (t0) + (offset))) ;
-#endif /* CONTIKI_TARGET_COOJA */
-
 /*********** Callbacks *********/
 
 /* Link callbacks to RPL in case RPL is enabled */
@@ -176,7 +158,7 @@ extern uint8_t tsch_current_channel;
 extern uint8_t tsch_hopping_sequence[TSCH_HOPPING_SEQUENCE_MAX_LEN];
 extern struct tsch_asn_divisor_t tsch_hopping_sequence_length;
 /* TSCH timeslot timing (in micro-second) */
-uint16_t tsch_timing_us[tsch_ts_elements_count];
+extern uint16_t tsch_timing_us[tsch_ts_elements_count];
 /* TSCH timeslot timing (in rtimer ticks) */
 extern rtimer_clock_t tsch_timing[tsch_ts_elements_count];
 /* Statistics on the current session */
diff --git a/os/net/routing/rpl-lite/rpl-conf.h b/os/net/routing/rpl-lite/rpl-conf.h
index 9b8a12adb2bfb4415339132cd4d3383aadf46dac..5d674fa9672b09def2d23c424605e9251867d487 100644
--- a/os/net/routing/rpl-lite/rpl-conf.h
+++ b/os/net/routing/rpl-lite/rpl-conf.h
@@ -272,7 +272,7 @@
 #ifdef RPL_CONF_DAG_LIFETIME
 #define RPL_DAG_LIFETIME                RPL_CONF_DAG_LIFETIME
 #else
-#define RPL_DAG_LIFETIME                (60 * 60) /* one hour */
+#define RPL_DAG_LIFETIME                (8 * 60) /* 8 hours */
 #endif /* RPL_CONF_DAG_LIFETIME */
 
 /*
diff --git a/os/sys/ctimer.h b/os/sys/ctimer.h
index 2d391a5e53063d3630785a7613002e856d895b5e..e7e463ac432f9071c712c9499cc4fbb5217ff706 100644
--- a/os/sys/ctimer.h
+++ b/os/sys/ctimer.h
@@ -76,7 +76,8 @@ struct ctimer {
  *             is the exact time that the callback timer last
  *             expired. Therefore, this function will cause the timer
  *             to be stable over time, unlike the ctimer_restart()
- *             function.
+ *             function. If this is executed before the timer expired,
+ *             this function has no effect.
  *
  * \sa ctimer_restart()
  */
diff --git a/os/sys/etimer.h b/os/sys/etimer.h
index 02ad5df11f169d35468302996a368283e4def60a..2922b9aa282dff3bd62bd62466567f3e980995d7 100644
--- a/os/sys/etimer.h
+++ b/os/sys/etimer.h
@@ -107,7 +107,8 @@ void etimer_set(struct etimer *et, clock_time_t interval);
  *             is the exact time that the event timer last
  *             expired. Therefore, this function will cause the timer
  *             to be stable over time, unlike the etimer_restart()
- *             function.
+ *             function. If this is executed before the timer expired,
+ *             this function has no effect.
  *
  * \sa etimer_restart()
  */
diff --git a/os/sys/rtimer.h b/os/sys/rtimer.h
index 44ad92a2fd9e3c8d515b6d2a99e9897318462bc6..260f08950a35a639bdd4eead58287b68ac082221 100644
--- a/os/sys/rtimer.h
+++ b/os/sys/rtimer.h
@@ -54,6 +54,8 @@
 #define RTIMER_H_
 
 #include "contiki.h"
+#include "dev/watchdog.h"
+#include <stdbool.h>
 
 /** \brief The rtimer size (in bytes) */
 #ifdef RTIMER_CONF_CLOCK_SIZE
@@ -186,6 +188,26 @@ void rtimer_arch_schedule(rtimer_clock_t t);
 #define RTIMER_GUARD_TIME (RTIMER_ARCH_SECOND >> 14)
 #endif /* RTIMER_CONF_GUARD_TIME */
 
+/** \brief Busy-wait until a condition. Start time is t0, max wait time is max_time */
+#define RTIMER_BUSYWAIT_UNTIL_ABS(cond, t0, max_time) \
+  ({                                                                \
+    bool c;                                                         \
+    while(!(c = cond) && RTIMER_CLOCK_LT(RTIMER_NOW(), (t0) + (max_time))) { \
+      watchdog_periodic();                                          \
+    }                                                               \
+    c;                                                              \
+  })
+
+/** \brief Busy-wait until a condition for at most max_time */
+#define RTIMER_BUSYWAIT_UNTIL(cond, max_time)       \
+  ({                                                \
+    rtimer_clock_t t0 = RTIMER_NOW();               \
+    RTIMER_BUSYWAIT_UNTIL_ABS(cond, t0, max_time);  \
+  })
+
+/** \brief Busy-wait for a fixed duration */
+#define RTIMER_BUSYWAIT(duration) RTIMER_BUSYWAIT_UNTIL(0, duration)
+
 #endif /* RTIMER_H_ */
 
 /** @} */
diff --git a/os/sys/stimer.c b/os/sys/stimer.c
index 1301dc41e166c02f20a5fac8414374a0d6b516e8..007587e8350967e95ec0d49662b187d3ac0b01da 100644
--- a/os/sys/stimer.c
+++ b/os/sys/stimer.c
@@ -77,7 +77,8 @@ stimer_set(struct stimer *t, unsigned long interval)
  * given to the stimer_set() function. The start point of the interval
  * is the exact time that the timer last expired. Therefore, this
  * function will cause the timer to be stable over time, unlike the
- * stimer_restart() function.
+ * stimer_restart() function. If this is executed before the
+ * timer expired, this function has no effect.
  *
  * \param t A pointer to the timer.
  *
@@ -86,7 +87,9 @@ stimer_set(struct stimer *t, unsigned long interval)
 void
 stimer_reset(struct stimer *t)
 {
-  t->start += t->interval;
+  if(stimer_expired(t)) {
+    t->start += t->interval;
+  }
 }
 /*---------------------------------------------------------------------------*/
 /**
diff --git a/os/sys/timer.c b/os/sys/timer.c
index 1eeae64de77f1bbb58c75d46569a323ab29f75a7..b99aa412732a6a4f6673e9ca93f6af4126e28bb3 100644
--- a/os/sys/timer.c
+++ b/os/sys/timer.c
@@ -74,9 +74,8 @@ timer_set(struct timer *t, clock_time_t interval)
  * given to the timer_set() function. The start point of the interval
  * is the exact time that the timer last expired. Therefore, this
  * function will cause the timer to be stable over time, unlike the
- * timer_restart() function.
- *
- * \note Must not be executed before timer expired
+ * timer_restart() function. If this is executed before the
+ * timer expired, this function has no effect.
  *
  * \param t A pointer to the timer.
  * \sa timer_restart()
@@ -84,7 +83,9 @@ timer_set(struct timer *t, clock_time_t interval)
 void
 timer_reset(struct timer *t)
 {
-  t->start += t->interval;
+  if(timer_expired(t)) {
+    t->start += t->interval;
+  }
 }
 /*---------------------------------------------------------------------------*/
 /**
diff --git a/tests/01-compile-base/Makefile b/tests/01-compile-base/Makefile
index d9ef0ba582e88275f72b218794f1aac369c68990..09f89418ded15ed00ae440776abc730fe619afb0 100644
--- a/tests/01-compile-base/Makefile
+++ b/tests/01-compile-base/Makefile
@@ -16,7 +16,7 @@ libs/stack-check/sky \
 lwm2m-ipso-objects/native \
 lwm2m-ipso-objects/native:MAKE_WITH_DTLS=1 \
 lwm2m-ipso-objects/native:DEFINES=LWM2M_Q_MODE_CONF_ENABLED=1 \
-lwm2m-ipso-objects/native:DEFINES=LWM2M_Q_MODE_CONF_ENABLED=1,LWM2M_Q_MODE_CONF_INCLUDE_DYNAMIC_ADAPTATION=1\
+lwm2m-ipso-objects/native:DEFINES=LWM2M_Q_MODE_CONF_ENABLED=1,LWM2M_Q_MODE_CONF_INCLUDE_DYNAMIC_ADAPTATION=1 \
 rpl-udp/sky \
 rpl-border-router/native \
 rpl-border-router/native:MAKE_ROUTING=MAKE_ROUTING_RPL_CLASSIC \
@@ -24,6 +24,8 @@ rpl-border-router/sky \
 slip-radio/sky \
 libs/ipv6-hooks/sky \
 nullnet/native \
+nullnet/sky \
+nullnet/sky:MAKE_MAC=MAKE_MAC_TSCH \
 mqtt-client/native \
 coap/coap-example-client/native \
 coap/coap-example-server/native \
diff --git a/tests/02-compile-arm-ports-01/Makefile b/tests/02-compile-arm-ports-01/Makefile
index b3a3abdda3cbefc29c1e9f135644dc05bf8d0b77..aaebab164c1a7c350e29df2ae7902a2c6a0eaf00 100644
--- a/tests/02-compile-arm-ports-01/Makefile
+++ b/tests/02-compile-arm-ports-01/Makefile
@@ -80,7 +80,6 @@ coap/coap-example-server/cc2538dk \
 slip-radio/cc2538dk \
 lwm2m-ipso-objects/cc2538dk \
 lwm2m-ipso-objects/cc2538dk:DEFINES=LWM2M_Q_MODE_CONF_ENABLED=1 \
-lwm2m-ipso-objects/native:DEFINES=LWM2M_Q_MODE_CONF_ENABLED=1,LWM2M_Q_MODE_CONF_INCLUDE_DYNAMIC_ADAPTATION=1\
 multicast/cc2538dk \
 dev/gpio-hal/cc2538dk \
 dev/leds/cc2538dk \
@@ -90,6 +89,8 @@ platform-specific/cc2538-common/pka/cc2538dk \
 hello-world/cc2538dk \
 rpl-border-router/cc2538dk \
 rpl-border-router/cc2538dk:MAKE_ROUTING=MAKE_ROUTING_RPL_CLASSIC \
+6tisch/simple-node/cc2538dk \
+6tisch/simple-node/cc2538dk:MAKE_WITH_SECURITY=1,MAKE_WITH_ORCHESTRA=1 \
 hello-world/nrf52dk \
 platform-specific/nrf52dk/coap-demo/coap-server/nrf52dk \
 platform-specific/nrf52dk/coap-demo/coap-client/nrf52dk:SERVER_IPV6_EP=ffff \
diff --git a/tests/03-compile-arm-ports-02/Makefile b/tests/03-compile-arm-ports-02/Makefile
index 190d36e4da1a8b3e55a7e88f131d3c1f620be7f2..655967e1bc9b5e23598bc6613a2529d8985ecce3 100644
--- a/tests/03-compile-arm-ports-02/Makefile
+++ b/tests/03-compile-arm-ports-02/Makefile
@@ -28,6 +28,7 @@ storage/antelope-shell/zoul \
 6tisch/simple-node/zoul:MAKE_WITH_ORCHESTRA=1 \
 6tisch/simple-node/zoul:MAKE_WITH_SECURITY=1 \
 libs/logging/zoul \
+libs/logging/zoul:MAKE_MAC=MAKE_MAC_TSCH \
 6tisch/etsi-plugtest-2017/zoul:BOARD=remote \
 6tisch/6p-packet/zoul \
 6tisch/sixtop/zoul \
@@ -68,6 +69,8 @@ libs/ipv6-hooks/openmote-cc2538 \
 libs/shell/openmote-cc2538 \
 libs/simple-energest/openmote-cc2538 \
 libs/deployment/openmote-cc2538 \
+6tisch/simple-node/openmote-cc2538 \
+6tisch/simple-node/openmote-cc2538:MAKE_WITH_SECURITY=1,MAKE_WITH_ORCHESTRA=1 \
 
 TOOLS=
 
diff --git a/tests/compile-all/build.sh b/tests/compile-all/build.sh
index fcbbd7bd76ba4dc8c0e2704b424be5633d16749f..81441816ee6349edacb6d3790aa5245afefadc92 100755
--- a/tests/compile-all/build.sh
+++ b/tests/compile-all/build.sh
@@ -40,17 +40,21 @@
 # To invoke the building for a specific platform, run:
 # $ PLATFORMS=zoul ./build.sh
 #
+CONTIKI_NG_TOP_DIR="../.."
+EXAMPLES_DIR=$CONTIKI_NG_TOP_DIR/examples
 
 if [[ "$PLATFORMS" == "" ]]
 then
-    PLATFORMS=`ls ../../arch/platform`
+    PLATFORMS=`ls $CONTIKI_NG_TOP_DIR/arch/platform`
 fi
 
 if [[ "$MAKEFILES" == "" ]]
 then
-    MAKEFILES=`find ../../examples/ -name Makefile`
+    MAKEFILES=`find $EXAMPLES_DIR -name Makefile`
 fi
 
+HELLO_WORLD=$EXAMPLES_DIR/hello-world
+
 # Set the make goal the first argument of the script or to "all" if called w/o arguments
 if [[ $# -gt 0 ]]
 then
@@ -97,22 +101,14 @@ do
         continue
     fi
 
-    if [[ "$platform" == "srf06-cc26xx" ]]
-    then
-        # srf06-cc26xx has multiple boards
-        BOARDS="srf06/cc26xx srf06/cc13xx launchpad/cc2650 launchpad/cc1310 launchpad/cc1350 sensortag/cc2650 sensortag/cc1350"
-    elif [[ "$platform" == "simplelink" ]]
-    then
-        # SimpleLink has multiple boards
-        BOARDS="launchpad/cc1310 launchpad/cc1350 launchpad/cc1350-4 launchpad/cc2650 \
-                sensortag/cc1350 sensortag/cc2650 srf06/cc13x0 srf06/cc26x0 \
-                launchpad/cc1312r1 launchpad/cc1352r1 launchpad/cc1352p1 launchpad/cc1352p-2 launchpad/cc1352p-4 launchpad/cc26x2r1"
-    elif [[ "$platform" == "zoul" ]]
+    # Detect all boards for the current platform by calling
+    # make TARGET=$platform boards
+    # in the hello-world dir.
+    BOARDS=`make -s -C $HELLO_WORLD TARGET=$platform boards \
+            | grep -v "no boards" | rev | cut -f3- -d" " | rev`
+
+    if [[ -z $BOARDS ]]
     then
-        # Zoul has multiple boards
-        BOARDS="remote-reva remote-revb firefly-reva firefly orion"
-    else
-        # Other platforms have just a single board
         BOARDS="default"
     fi
 
diff --git a/tools/zolertia/license-bsl.txt b/tools/zolertia/license-bsl.txt
deleted file mode 100644
index e6775e9d7adb9b54be880dbad975047adb4c60a5..0000000000000000000000000000000000000000
--- a/tools/zolertia/license-bsl.txt
+++ /dev/null
@@ -1,62 +0,0 @@
-Copyright (c) 2001-2003 Chris Liechti <cliechti@gmx.net>
-
-All Rights Reserved.
-
-This is the Python license. In short, you can use this product in
-commercial and non-commercial applications, modify it, redistribute it.
-A notification to the author when you use and/or modify it is welcome.
-
-TERMS AND CONDITIONS FOR ACCESSING OR OTHERWISE USING THIS SOFTWARE
-============================================
-
-LICENSE AGREEMENT
------------------
-
-1. This LICENSE AGREEMENT is between the copyright holder of this
-product, and the Individual or Organization ("Licensee") accessing
-and otherwise using this product in source or binary form and its
-associated documentation.
-
-2. Subject to the terms and conditions of this License Agreement,
-the copyright holder hereby grants Licensee a nonexclusive,
-royalty-free, world-wide license to reproduce, analyze, test,
-perform and/or display publicly, prepare derivative works, distribute,
-and otherwise use this product alone or in any derivative version,
-provided, however, that copyright holders License Agreement and
-copyright holders notice of copyright are retained in this product
-alone or in any derivative version prepared by Licensee.
-
-3. In the event Licensee prepares a derivative work that is based on
-or incorporates this product or any part thereof, and wants to make
-the derivative work available to others as provided herein, then
-Licensee hereby agrees to include in any such work a brief summary of
-the changes made to this product.
-
-4. The copyright holder is making this product available to Licensee
-on an "AS IS" basis. THE COPYRIGHT HOLDER MAKES NO REPRESENTATIONS
-OR WARRANTIES, EXPRESS OR IMPLIED. BY WAY OF EXAMPLE, BUT NOT
-LIMITATION, THE COPYRIGHT HOLDER MAKES NO AND DISCLAIMS ANY
-REPRESENTATION OR WARRANTY OF MERCHANTABILITY OR FITNESS FOR
-ANY PARTICULAR PURPOSE OR THAT THE USE OF THIS PRODUCT WILL
-NOT INFRINGE ANY THIRD PARTY RIGHTS.
-
-5. THE COPYRIGHT HOLDER SHALL NOT BE LIABLE TO LICENSEE OR ANY
-OTHER USERS OF THIS PRODUCT FOR ANY INCIDENTAL, SPECIAL, OR
-CONSEQUENTIAL DAMAGES OR LOSS AS A RESULT OF MODIFYING,
-DISTRIBUTING, OR OTHERWISE USING THIS PRODUCT, OR ANY
-DERIVATIVE THEREOF, EVEN IF ADVISED OF THE POSSIBILITY
-THEREOF.
-
-6. This License Agreement will automatically terminate upon a
-material breach of its terms and conditions.
-
-7. Nothing in this License Agreement shall be deemed to create any
-relationship of agency, partnership, or joint venture between the
-copyright holder and Licensee. This License Agreement does not grant
-permission to use trademarks or trade names from the copyright holder
-in a trademark sense to endorse or promote products or services of
-Licensee, or any third party.
-
-8. By copying, installing or otherwise using this product, Licensee
-agrees to be bound by the terms and conditions of this License
-Agreement.
diff --git a/tools/zolertia/motelist-zolertia b/tools/zolertia/motelist-zolertia
deleted file mode 100755
index e5f7da99e108c6ff082cb7d463df3a2763d12f4e..0000000000000000000000000000000000000000
--- a/tools/zolertia/motelist-zolertia
+++ /dev/null
@@ -1,295 +0,0 @@
-#!/usr/bin/perl -w
-use strict;
-# $Id: motelist-z1,v 1.1 2010/08/24 15:48:20 joxe Exp $
-# @author Cory Sharp <cory@moteiv.com>
-# @author Joe Polastre
-
-my $help = <<'EOF';
-usage: motelist [options]
-
-  $Revision: 1.1 $
-
-options:
-  -h  display this help
-  -c  compact format, not pretty but easier for parsing
-  -f  specify the usb-serial file (for smote.cs)
-  -k  kernel version: 2.4, 2.6, auto (default)
-  -m  method to scan usb: procfs, sysfs, auto (default)
-  -dev_prefix  force the device prefix for the serial device
-  -usb  display extra usb information
-  -b  specify which Zolertia board to list (z1, remote, etc)
-EOF
-
-my %Opt = (
-  compact => 0,
-  usb => 0,
-  board => "",
-  method => "auto",
-  kernel => "auto",
-  dev_prefix => [ "/dev/usb/tts/", "/dev/ttyUSB", "/dev/tts/USB" ],
-  usbserial => "sudo cat /proc/tty/driver/usbserial |",
-);
-
-while (@ARGV) {
-  last unless $ARGV[0] =~ /^-/;
-  my $opt = shift @ARGV;
-  if( $opt eq "-h" ) { print "$help\n"; exit 0; }
-  elsif( $opt eq "-c" ) { $Opt{compact} = 1; }
-  elsif( $opt eq "-f" ) { $Opt{usbserial} = shift @ARGV; }
-  elsif( $opt eq "-k" ) { $Opt{kernel} = shift @ARGV; }
-  elsif( $opt eq "-m" ) { $Opt{method} = shift @ARGV; }
-  elsif( $opt eq "-dev_prefix" ) { $Opt{dev_prefix} = shift @ARGV; }
-  elsif( $opt eq "-usb" ) { $Opt{usb} = 1; }
-  elsif( $opt eq "-b" ) { $Opt{board} = shift @ARGV; }
-  else { print STDERR "$help\nerror, unknown command line option $opt\n"; exit 1; }
-}
-
-if( $Opt{kernel} eq "auto" ) {
-  $Opt{kernel} = "unknown";
-  $Opt{kernel} = $1 if snarf("/proc/version") =~ /\bLinux version (\d+\.\d+)/;
-}
-
-if( $Opt{method} eq "auto" ) {
-  $Opt{method} = ($Opt{kernel} eq "2.4") ? "procfs" : "sysfs";
-}
-
-if( $Opt{board} eq "z1" ) {
-  $Opt{board} = "Zolertia Z1";
-} elsif( $Opt{board} eq "remote" ) {
-  $Opt{board} = "Zolertia RE-Mote platform";
-} elsif( $Opt{board} eq "firefly" ) {
-  $Opt{board} = "Zolertia Firefly platform";
-} elsif( $Opt{board} eq "orion" ) {
-  $Opt{board} = "Zolertia Orion Ethernet router";
-}
-
-my @devs = $Opt{method} eq "procfs" ? scan_procfs() : scan_sysfs();
-print_motelist( sort { cmp_usbdev($a,$b) } @devs );
-
-
-#
-#  SysFS
-#
-sub scan_sysfs {
-
-  my $tmp = '($_->{UsbVendor}||"") eq "10c4" && ($_->{UsbProduct}||"") eq "ea60"';
-
-  if($Opt{board}) {
-    $tmp = '($_->{ProductString}||"") eq $Opt{board} && ' . $tmp
-  }
-
-  #  Scan /sys/bus/usb/drivers/usb for CP210x devices
-  my @cpdevs =
-    grep { eval "$tmp" }
-    map { {
-      SysPath => $_,
-      UsbVendor => snarf("$_/idVendor",1),
-      UsbProduct => snarf("$_/idProduct",1),
-      ProductString => snarf("$_/product",1),
-    } }
-   glob("/sys/bus/usb/drivers/usb/*");
-
-  #  Gather information about each CP210x device
-  for my $f (@cpdevs) {
-    my $syspath = $f->{SysPath};
-    $f->{InfoSerial} = snarf("$syspath/serial",1);
-    $f->{InfoManufacturer} = snarf("$syspath/manufacturer",1);
-    $f->{InfoProduct} = snarf("$syspath/product",1);
-    $f->{UsbDevNum} = snarf("$syspath/devnum",1);
-
-    my $devstr = readlink($syspath);
-    if( $devstr =~ m{([^/]+)/usb(\d+)/.*-([^/]+)$} ) {
-      $f->{UsbPath} = "usb-$1-$3";
-      $f->{UsbBusNum} = $2;
-    }
-    ($f->{SysDev} = $syspath) =~ s{^.*/}{};
-
-    my $port = "$syspath/$f->{SysDev}:1.0";
-    ($f->{DriverName} = readlink("$port/driver")) =~ s{^.*/}{} if -l "$port/driver";
-    ($f->{SerialDevName} = (glob("$port/tty*"),undef)[0]) =~ s{^.*/}{};
-    $f->{SerialDevNum} = $1 if $f->{SerialDevName} =~ /(\d+)/;
-    $f->{SerialDevName} = getSerialDevName( $f->{SerialDevNum} ) || "  (none)";
-  }
-  return @cpdevs;
-}
-
-
-#
-#  Scan Procfs
-#
-sub scan_procfs {
-
-  my $text_devs = snarf("< /proc/bus/usb/devices");
-  my $text_serial = snarf($Opt{usbserial});
-
-  my @usbdevs = map { {parse_usb_devices_text($_)} }
-                grep { !/^\s*$/ } split /\n+(?=T:)/, $text_devs;
-  my %usbtree = build_usb_tree( @usbdevs );
-  my %usbserialtree = build_usbserial_tree( $text_serial );
-  for my $tts ( values %usbserialtree ) {
-    $usbtree{usbkey($tts->{path})}{usbserial} = $tts if defined $tts->{path};
-  }
-
-  my @cpdevs = map { {
-      UsbVendor => $_->{Vendor},
-      UsbProduct => $_->{ProdID},
-      InfoManufacturer => $_->{Manufacturer},
-      InfoProduct => $_->{Product},
-      InfoSerial => $_->{SerialNumber},
-      UsbBusNum => $_->{nbus},
-      UsbDevNum => $_->{ndev},
-      UsbPath => (($Opt{kernel} eq "2.4") ? $_->{usbserial}{path} : $_->{usbpath}),
-      DriverName => $_->{driver},
-      SerialDevNum => $_->{usbserial}{tts},
-      SerialDevName => getSerialDevName($_->{usbserial}{tts}) || "  (none)",
-    } }
-    grep { ($_->{Vendor}||"") eq "0403" && ($_->{ProdID}||"") eq "6001" }
-    values %usbtree;
-
-  return @cpdevs;
-}
-
-sub build_usb_tree {
-  my @devs = @_;
-  my %tree = ();
-  for my $dev (sort { $a->{Lev} <=> $b->{Lev} } @devs) {
-    my ($bus,$lev,$prnt) = ( $dev->{Bus}+0, $dev->{Lev}+0, $dev->{Prnt}+0 );
-    my $devnum = $dev->{"Dev#"}+0;
-    $dev->{nbus} = $bus;
-    $dev->{ndev} = $devnum;
-    $tree{"bus$bus"} = {} unless exists $tree{"bus$bus"};
-    $tree{"bus$bus"}{"dev$devnum"} = $dev;
-    if( $lev == 0 ) {
-      $dev->{usbpath} = "usb-$dev->{SerialNumber}";
-    } else {
-      my $sep = ($lev==1) ? "-" : ".";
-      $dev->{parent} = $tree{"bus$bus"}{"dev$prnt"};
-      $dev->{usbpath} = $dev->{parent}{usbpath} . $sep . ($dev->{Port}+1);
-    }
-    $tree{usbkey($dev->{usbpath})} = $dev;
-  }
-  return %tree;
-}
-
-sub parse_usb_devices_text {
-  my $text = shift;
-  $text =~ s/^\S+\s*//gm;
-  return ($text =~ m/([^\s=]+)=\s*(.*?\S)\s*(?=[^\s=]+=|$)/mg);
-}
-
-sub build_usbserial_tree {
-  my $text = shift;
-  my %tree = ();
-  while( $text =~ /^([^:]+):(.*)/mg ) {
-    my ($tts,$params) = ($1,$2);
-    $tree{$tts} = { tts => $tts };
-    while ($params =~ m/\s+([^:]+):(?:"([^"]*)"|(\S+))/g) {
-      $tree{$tts}{$1} = $2||$3;
-    }
-  }
-  return %tree;
-}
-
-sub usbkey {
-  if( $Opt{kernel} eq "2.4" ) {
-    (my $key = $_[0]) =~ s/^.*-//;
-    return $key;
-  }
-  return $_[0];
-}
-
-
-#
-#  getSerialDevName
-#
-#  For each device, force to use dev_prefix if it's not an array.  Otherwise,
-#  assume it's a list of candidate prefixes.  Check them and commit to the
-#  first one that actually exists.
-#
-sub getSerialDevName {
-  my $devnum = shift;
-  my $devname = undef;
-  if( defined $devnum ) {
-    if( ref($Opt{dev_prefix}) eq "ARRAY" ) {
-      $devname = $devnum;
-      for my $prefix (@{$Opt{dev_prefix}}) {
-        my $file = $prefix . $devnum;
-        if( -e $file ) { $devname = $file; last; }
-      }
-    } else {
-      $devname = $Opt{dev_prefix} . $devnum;
-    }
-  }
-  return $devname;
-}
-
-
-#
-#  Print motelist
-#
-sub print_motelist {
-  my @devs = @_;
-
-  #  If none were found, quit
-  if( @devs == 0 ) {
-    print "No devices found.\n";
-    return;
-  }
-
-  #  Print a header
-  if( !$Opt{compact} ) {
-    if( $Opt{usb} ) {
-      print << "EOF" unless $Opt{compact};
---- --- ------------------------ -------------- ---------------- -------------------------------------
-Bus Dev USB Path                 Reference      Device           Description
---- --- ------------------------ -------------- ---------------- -------------------------------------
-EOF
-    } else {
-      print << "EOF" unless $Opt{compact};
--------------- ---------------- ---------------------------------------------
-Reference      Device           Description
--------------- ---------------- ---------------------------------------------
-EOF
-    }
-  }
-
-  #  Print the usb information
-  for my $dev (sort { cmp_usbdev($a,$b) } @devs) {
-    my $desc = join( " ", $dev->{InfoManufacturer}||"", $dev->{InfoProduct}||"" ) || " (none)";
-    my @output = ( $dev->{InfoSerial}||" (none)", $dev->{SerialDevName}, $desc );
-    @output = ( $dev->{UsbBusNum}, $dev->{UsbDevNum}, $dev->{UsbPath}, @output ) if $Opt{usb};
-    if( $Opt{compact} ) {
-      print join(",",@output) . "\n";
-    } else {
-      printf( ($Opt{usb}?"%3d %3d %-24s ":"")."%-14s %-16s %s\n", @output );
-    }
-  }
-}
-
-
-#
-#  Cmp Usbdev's
-#
-sub cmp_usbdev {
-  my ($a,$b) = @_;
-  if( defined $a->{SerialDevNum} ) {
-    if( defined $b->{SerialDevNum} ) {
-      return $a->{SerialDevNum} <=> $b->{SerialDevNum};
-    }
-    return -1;
-  }
-  return 1 if defined $b->{SerialDevNum};
-  return ($a->{InfoSerial}||"") cmp ($b->{InfoSerial}||"");
-}
-
-#
-#  Read a file in
-#
-sub snarf {
-  open my $fh, $_[0] or return undef;
-  my $text = do{local $/;<$fh>};
-  close $fh;
-  $text =~ s/\s+$// if $_[1];
-  return $text;
-}
-
diff --git a/tools/zolertia/motelist-zolertia-macos b/tools/zolertia/motelist-zolertia-macos
deleted file mode 100755
index 526b4887e934a90540ea027b89284ac959ace22d..0000000000000000000000000000000000000000
--- a/tools/zolertia/motelist-zolertia-macos
+++ /dev/null
@@ -1,75 +0,0 @@
-#!/usr/bin/perl -w
-use strict;
-
-my $help = <<'EOF';
-usage: motelist [options]
-
-options:
-  -h  display this help
-  -c  compact format, not pretty but easier for parsing
-EOF
-
-my %Opt = (
-  compact => 0,
-  dev_prefix => [ "/dev/tty.SLAB" ],
-);
-
-while (@ARGV) {
-  last unless $ARGV[0] =~ /^-/;
-  my $opt = shift @ARGV;
-  if( $opt eq "-h" ) { print "$help\n"; exit 0; }
-  elsif( $opt eq "-c" ) { $Opt{compact} = 1; }
-  else { print STDERR "$help\nerror, unknown command line option $opt\n"; exit 1; }
-}
-
-print_motelist( scan_dev() );
-
-#
-#  Scan /dev for tty.SLAB*
-#
-sub  scan_dev {
-  my @devs;
-  foreach (`ls /dev/tty.SLAB* 2>&1`) {
-    my($dev, $serial) = /(\/dev\/tty.SLAB(\S+))/;
-    if ($serial ne "*:") {
-      my $d;
-      $d->{"InfoSerial"} = $serial;
-      $d->{"SerialDevName"} = $dev;
-      push(@devs, $d);
-    }
-  }
-  return @devs;
-}
-
-
-#
-#  Print motelist
-#
-sub print_motelist {
-  my @devs = @_;
-
-  #  If none were found, quit
-  if( @devs == 0 ) {
-    #print "No devices found.\n";
-    return;
-  }
-
-  #  Print a header
-  if( !$Opt{compact} ) {
-    print << "EOF" unless $Opt{compact};
-Reference  Device                      Description
----------- --------------------------- ---------------------------------------
-EOF
-  }
-
-  #  Print the usb information
-  for my $dev (@devs) {
-    my $desc = "(none)";
-    my @output = ( $dev->{"InfoSerial"}, $dev->{"SerialDevName"}, $desc );
-    if( $Opt{compact} ) {
-      print join(",",@output) . "\n";
-    } else {
-      printf( "%-10s %-27s %s\n", @output );
-    }
-  }
-}