Merge branch 'master' into master

6 files changed, 1467 insertions, 0 deletions

diff --git a/demos/NRF52/Classic/Makefile b/demos/NRF52/Classic/Makefile
new file mode 100644
index 0000000..0f318b1
--- /dev/null
+++ b/demos/NRF52/Classic/Makefile
@@ -0,0 +1,250 @@
+##############################################################################

+# Build global options

+# NOTE: Can be overridden externally.

+#

+

+PLATFORM=NRF5/NRF52832

+BOARD=NRF52-DK

+

+# Compiler options here.

+ifeq ($(USE_OPT),)

+  USE_OPT = -Os -ggdb -fomit-frame-pointer -falign-functions=16 -std=c11

+endif

+

+# C specific options here (added to USE_OPT).

+ifeq ($(USE_COPT),)

+  USE_COPT =

+endif

+

+# C++ specific options here (added to USE_OPT).

+ifeq ($(USE_CPPOPT),)

+  USE_CPPOPT = -fno-rtti

+endif

+

+# Enable this if you want the linker to remove unused code and data

+ifeq ($(USE_LINK_GC),)

+  USE_LINK_GC = yes

+endif

+

+# Linker extra options here.

+ifeq ($(USE_LDOPT),)

+  USE_LDOPT = 

+endif

+

+# Enable this if you want link time optimizations (LTO)

+ifeq ($(USE_LTO),)

+  USE_LTO = yes

+endif

+

+# If enabled, this option allows to compile the application in THUMB mode.

+ifeq ($(USE_THUMB),)

+  USE_THUMB = yes

+endif

+

+# Enable this if you want to see the full log while compiling.

+ifeq ($(USE_VERBOSE_COMPILE),)

+  USE_VERBOSE_COMPILE = no

+endif

+

+# If enabled, this option makes the build process faster by not compiling

+# modules not used in the current configuration.

+ifeq ($(USE_SMART_BUILD),)

+  USE_SMART_BUILD = no

+endif

+

+#

+# Build global options

+##############################################################################

+

+##############################################################################

+# Architecture or project specific options

+#

+

+# Stack size to be allocated to the Cortex-M process stack. This stack is

+# the stack used by the main() thread.

+ifeq ($(USE_PROCESS_STACKSIZE),)

+  USE_PROCESS_STACKSIZE = 0x400

+endif

+

+# Stack size to the allocated to the Cortex-M main/exceptions stack. This

+# stack is used for processing interrupts and exceptions.

+ifeq ($(USE_EXCEPTIONS_STACKSIZE),)

+  USE_EXCEPTIONS_STACKSIZE = 0x400

+endif

+

+# Enables the use of FPU on Cortex-M4 (no, softfp, hard).

+ifeq ($(USE_FPU),)

+  USE_FPU = no

+endif

+

+#

+# Architecture or project specific options

+##############################################################################

+

+##############################################################################

+# Project, sources and paths

+#

+

+# Define project name here

+PROJECT = ch

+

+# Imported source files and paths

+CHIBIOS         = ../../../../ChibiOS-RT

+CHIBIOS_CONTRIB = $(CHIBIOS)/../ChibiOS-Contrib

+# Startup files.

+include $(CHIBIOS_CONTRIB)/os/common/startup/ARMCMx/compilers/GCC/mk/startup_nrf52.mk

+# HAL-OSAL files (optional).

+include $(CHIBIOS)/os/hal/hal.mk

+include $(CHIBIOS_CONTRIB)/os/hal/hal.mk

+include $(CHIBIOS_CONTRIB)/os/hal/ports/$(PLATFORM)/platform.mk

+include $(CHIBIOS_CONTRIB)/os/hal/boards/$(BOARD)/board.mk

+include $(CHIBIOS)/os/hal/osal/rt/osal.mk

+# RTOS files (optional).

+include $(CHIBIOS)/os/rt/rt.mk

+include $(CHIBIOS)/os/common/ports/ARMCMx/compilers/GCC/mk/port_v7m.mk

+# Other files (optional).

+include $(CHIBIOS)/test/rt/test.mk

+include $(CHIBIOS)/os/various/shell/shell.mk

+

+# Define linker script file here

+LDSCRIPT= $(STARTUPLD)/NRF52832.ld

+

+# C sources that can be compiled in ARM or THUMB mode depending on the global

+# setting.

+CSRC = $(STARTUPSRC) \

+       $(KERNSRC) \

+       $(PORTSRC) \

+       $(OSALSRC) \

+       $(HALSRC) \

+       $(PLATFORMSRC) \

+       $(BOARDSRC) \

+       $(TESTSRC) \

+       $(SHELLSRC) \

+       $(CHIBIOS)/os/hal/lib/streams/memstreams.c \

+       $(CHIBIOS)/os/hal/lib/streams/chprintf.c 

+

+CSRC += main.c

+

+# C++ sources that can be compiled in ARM or THUMB mode depending on the global

+# setting.

+CPPSRC =

+

+# C sources to be compiled in ARM mode regardless of the global setting.

+# NOTE: Mixing ARM and THUMB mode enables the -mthumb-interwork compiler

+#       option that results in lower performance and larger code size.

+ACSRC =

+

+# C++ sources to be compiled in ARM mode regardless of the global setting.

+# NOTE: Mixing ARM and THUMB mode enables the -mthumb-interwork compiler

+#       option that results in lower performance and larger code size.

+ACPPSRC =

+

+# C sources to be compiled in THUMB mode regardless of the global setting.

+# NOTE: Mixing ARM and THUMB mode enables the -mthumb-interwork compiler

+#       option that results in lower performance and larger code size.

+TCSRC =

+

+# C++ sources to be compiled in THUMB mode regardless of the global setting.

+# NOTE: Mixing ARM and THUMB mode enables the -mthumb-interwork compiler

+#       option that results in lower performance and larger code size.

+TCPPSRC =

+

+# List ASM source files here

+ASMSRC =

+ASMXSRC = $(STARTUPASM) $(PORTASM) $(OSALASM)

+

+

+INCDIR = $(CHIBIOS)/os/license \

+         $(STARTUPINC) $(KERNINC) $(PORTINC) $(OSALINC) \

+         $(HALINC) $(PLATFORMINC) $(BOARDINC) $(TESTINC) \

+	 $(SHELLINC) \

+	 $(CHIBIOS)/os/hal/lib/streams $(CHIBIOS)/os/various

+

+

+INCDIR += $(CHIBIOS_CONTRIB)/os/various

+

+#

+# Project, sources and paths

+##############################################################################

+

+##############################################################################

+# Compiler settings

+#

+

+MCU  = cortex-m4

+

+TRGT = arm-none-eabi-

+CC   = $(TRGT)gcc

+CPPC = $(TRGT)g++

+# Enable loading with g++ only if you need C++ runtime support.

+# NOTE: You can use C++ even without C++ support if you are careful. C++

+#       runtime support makes code size explode.

+LD   = $(TRGT)gcc

+#LD   = $(TRGT)g++

+CP   = $(TRGT)objcopy

+AS   = $(TRGT)gcc -x assembler-with-cpp

+AR   = $(TRGT)ar

+OD   = $(TRGT)objdump

+SZ   = $(TRGT)size

+HEX  = $(CP) -O ihex

+BIN  = $(CP) -O binary

+SREC = $(CP) -O srec

+

+# ARM-specific options here

+AOPT =

+

+# THUMB-specific options here

+TOPT = -mthumb -DTHUMB

+

+# Define C warning options here

+CWARN = -Wall -Wextra -Wundef -Wstrict-prototypes  -Wno-unused-parameter 

+

+# Define C++ warning options here

+CPPWARN = -Wall -Wextra -Wundef

+

+#

+# Compiler settings

+##############################################################################

+

+##############################################################################

+# Start of user section

+#

+

+# List all user C define here, like -D_DEBUG=1

+UDEFS = 

+

+# Define ASM defines here

+UADEFS =

+

+# List all user directories here

+UINCDIR =

+

+# List the user directory to look for the libraries here

+ULIBDIR =

+

+# List all user libraries here

+ULIBS =

+

+#

+# End of user defines

+##############################################################################

+

+RULESPATH = $(CHIBIOS)/os/common/startup/ARMCMx/compilers/GCC/

+include $(RULESPATH)/rules.mk

+

+OHEX = $(BUILDDIR)/$(PROJECT).hex

+OELF = $(BUILDDIR)/$(PROJECT).elf

+OBIN = $(BUILDDIR)/$(PROJECT).bin

+

+

+

+include $(CHIBIOS_CONTRIB)/os/various/jlink.mk

+include $(CHIBIOS_CONTRIB)/os/various/gdb.mk

+

+

+pin-reset: jlink-pin-reset

+flash: all jlink-flash

+debug: gdb-debug

+erase-all: jlink-erase-all

+debug-server: jlink-debug-server

+

diff --git a/demos/NRF52/Classic/chconf.h b/demos/NRF52/Classic/chconf.h
new file mode 100644
index 0000000..c7ec876
--- /dev/null
+++ b/demos/NRF52/Classic/chconf.h
@@ -0,0 +1,530 @@
+/*

+    Copyright (C) 2016 Stephane D'Alu

+

+    Licensed under the Apache License, Version 2.0 (the "License");

+    you may not use this file except in compliance with the License.

+    You may obtain a copy of the License at

+

+        http://www.apache.org/licenses/LICENSE-2.0

+

+    Unless required by applicable law or agreed to in writing, software

+    distributed under the License is distributed on an "AS IS" BASIS,

+    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.

+    See the License for the specific language governing permissions and

+    limitations under the License.

+*/

+

+/**

+ * @file    templates/chconf.h

+ * @brief   Configuration file template.

+ * @details A copy of this file must be placed in each project directory, it

+ *          contains the application specific kernel settings.

+ *

+ * @addtogroup config

+ * @details Kernel related settings and hooks.

+ * @{

+ */

+

+#ifndef _CHCONF_H_

+#define _CHCONF_H_

+

+#define _CHIBIOS_RT_CONF_

+#define _CHIBIOS_RT_CONF_VER_5_0_

+

+/*===========================================================================*/

+/**

+ * @name System timers settings

+ * @{

+ */

+/*===========================================================================*/

+

+/**

+ * @brief   System time counter resolution.

+ * @note    Allowed values are 16 or 32 bits.

+ */

+#define CH_CFG_ST_RESOLUTION                32

+

+/**

+ * @brief   System tick frequency.

+ * @details Frequency of the system timer that drives the system ticks. This

+ *          setting also defines the system tick time unit.

+ */

+#define CH_CFG_ST_FREQUENCY                 1000

+

+/**

+ * @brief   Time delta constant for the tick-less mode.

+ * @note    If this value is zero then the system uses the classic

+ *          periodic tick. This value represents the minimum number

+ *          of ticks that is safe to specify in a timeout directive.

+ *          The value one is not valid, timeouts are rounded up to

+ *          this value.

+ */

+#define CH_CFG_ST_TIMEDELTA                 0

+

+/** @} */

+

+/*===========================================================================*/

+/**

+ * @name Kernel parameters and options

+ * @{

+ */

+/*===========================================================================*/

+

+/**

+ * @brief   Round robin interval.

+ * @details This constant is the number of system ticks allowed for the

+ *          threads before preemption occurs. Setting this value to zero

+ *          disables the preemption for threads with equal priority and the

+ *          round robin becomes cooperative. Note that higher priority

+ *          threads can still preempt, the kernel is always preemptive.

+ * @note    Disabling the round robin preemption makes the kernel more compact

+ *          and generally faster.

+ * @note    The round robin preemption is not supported in tickless mode and

+ *          must be set to zero in that case.

+ */

+#define CH_CFG_TIME_QUANTUM                 0

+

+/**

+ * @brief   Managed RAM size.

+ * @details Size of the RAM area to be managed by the OS. If set to zero

+ *          then the whole available RAM is used. The core memory is made

+ *          available to the heap allocator and/or can be used directly through

+ *          the simplified core memory allocator.

+ *

+ * @note    In order to let the OS manage the whole RAM the linker script must

+ *          provide the @p __heap_base__ and @p __heap_end__ symbols.

+ * @note    Requires @p CH_CFG_USE_MEMCORE.

+ */

+#define CH_CFG_MEMCORE_SIZE                 0

+

+/**

+ * @brief   Idle thread automatic spawn suppression.

+ * @details When this option is activated the function @p chSysInit()

+ *          does not spawn the idle thread. The application @p main()

+ *          function becomes the idle thread and must implement an

+ *          infinite loop.

+ */

+#define CH_CFG_NO_IDLE_THREAD               FALSE

+

+/** @} */

+

+/*===========================================================================*/

+/**

+ * @name Performance options

+ * @{

+ */

+/*===========================================================================*/

+

+/**

+ * @brief   OS optimization.

+ * @details If enabled then time efficient rather than space efficient code

+ *          is used when two possible implementations exist.

+ *

+ * @note    This is not related to the compiler optimization options.

+ * @note    The default is @p TRUE.

+ */

+#define CH_CFG_OPTIMIZE_SPEED               TRUE

+

+/** @} */

+

+/*===========================================================================*/

+/**

+ * @name Subsystem options

+ * @{

+ */

+/*===========================================================================*/

+

+/**

+ * @brief   Time Measurement APIs.

+ * @details If enabled then the time measurement APIs are included in

+ *          the kernel.

+ *

+ * @note    The default is @p TRUE.

+ */

+#define CH_CFG_USE_TM                       FALSE

+

+/**

+ * @brief   Threads registry APIs.

+ * @details If enabled then the registry APIs are included in the kernel.

+ *

+ * @note    The default is @p TRUE.

+ */

+#define CH_CFG_USE_REGISTRY                 TRUE

+

+/**

+ * @brief   Threads synchronization APIs.

+ * @details If enabled then the @p chThdWait() function is included in

+ *          the kernel.

+ *

+ * @note    The default is @p TRUE.

+ */

+#define CH_CFG_USE_WAITEXIT                 TRUE

+

+/**

+ * @brief   Semaphores APIs.

+ * @details If enabled then the Semaphores APIs are included in the kernel.

+ *

+ * @note    The default is @p TRUE.

+ */

+#define CH_CFG_USE_SEMAPHORES               TRUE

+

+/**

+ * @brief   Semaphores queuing mode.

+ * @details If enabled then the threads are enqueued on semaphores by

+ *          priority rather than in FIFO order.

+ *

+ * @note    The default is @p FALSE. Enable this if you have special

+ *          requirements.

+ * @note    Requires @p CH_CFG_USE_SEMAPHORES.

+ */

+#define CH_CFG_USE_SEMAPHORES_PRIORITY      FALSE

+

+/**

+ * @brief   Mutexes APIs.

+ * @details If enabled then the mutexes APIs are included in the kernel.

+ *

+ * @note    The default is @p TRUE.

+ */

+#define CH_CFG_USE_MUTEXES                  TRUE

+

+/**

+ * @brief   Enables recursive behavior on mutexes.

+ * @note    Recursive mutexes are heavier and have an increased

+ *          memory footprint.

+ *

+ * @note    The default is @p FALSE.

+ * @note    Requires @p CH_CFG_USE_MUTEXES.

+ */

+#define CH_CFG_USE_MUTEXES_RECURSIVE        FALSE

+

+/**

+ * @brief   Conditional Variables APIs.

+ * @details If enabled then the conditional variables APIs are included

+ *          in the kernel.

+ *

+ * @note    The default is @p TRUE.

+ * @note    Requires @p CH_CFG_USE_MUTEXES.

+ */

+#define CH_CFG_USE_CONDVARS                 TRUE

+

+/**

+ * @brief   Conditional Variables APIs with timeout.

+ * @details If enabled then the conditional variables APIs with timeout

+ *          specification are included in the kernel.

+ *

+ * @note    The default is @p TRUE.

+ * @note    Requires @p CH_CFG_USE_CONDVARS.

+ */

+#define CH_CFG_USE_CONDVARS_TIMEOUT         TRUE

+

+/**

+ * @brief   Events Flags APIs.

+ * @details If enabled then the event flags APIs are included in the kernel.

+ *

+ * @note    The default is @p TRUE.

+ */

+#define CH_CFG_USE_EVENTS                   TRUE

+

+/**

+ * @brief   Events Flags APIs with timeout.

+ * @details If enabled then the events APIs with timeout specification

+ *          are included in the kernel.

+ *

+ * @note    The default is @p TRUE.

+ * @note    Requires @p CH_CFG_USE_EVENTS.

+ */

+#define CH_CFG_USE_EVENTS_TIMEOUT           TRUE

+

+/**

+ * @brief   Synchronous Messages APIs.

+ * @details If enabled then the synchronous messages APIs are included

+ *          in the kernel.

+ *

+ * @note    The default is @p TRUE.

+ */

+#define CH_CFG_USE_MESSAGES                 TRUE

+

+/**

+ * @brief   Synchronous Messages queuing mode.

+ * @details If enabled then messages are served by priority rather than in

+ *          FIFO order.

+ *

+ * @note    The default is @p FALSE. Enable this if you have special

+ *          requirements.

+ * @note    Requires @p CH_CFG_USE_MESSAGES.

+ */

+#define CH_CFG_USE_MESSAGES_PRIORITY        FALSE

+

+/**

+ * @brief   Mailboxes APIs.

+ * @details If enabled then the asynchronous messages (mailboxes) APIs are

+ *          included in the kernel.

+ *

+ * @note    The default is @p TRUE.

+ * @note    Requires @p CH_CFG_USE_SEMAPHORES.

+ */

+#define CH_CFG_USE_MAILBOXES                TRUE

+

+/**

+ * @brief   I/O Queues APIs.

+ * @details If enabled then the I/O queues APIs are included in the kernel.

+ *

+ * @note    The default is @p TRUE.

+ */

+#define CH_CFG_USE_QUEUES                   TRUE

+

+/**

+ * @brief   Core Memory Manager APIs.

+ * @details If enabled then the core memory manager APIs are included

+ *          in the kernel.

+ *

+ * @note    The default is @p TRUE.

+ */

+#define CH_CFG_USE_MEMCORE                  TRUE

+

+/**

+ * @brief   Heap Allocator APIs.

+ * @details If enabled then the memory heap allocator APIs are included

+ *          in the kernel.

+ *

+ * @note    The default is @p TRUE.

+ * @note    Requires @p CH_CFG_USE_MEMCORE and either @p CH_CFG_USE_MUTEXES or

+ *          @p CH_CFG_USE_SEMAPHORES.

+ * @note    Mutexes are recommended.

+ */

+#define CH_CFG_USE_HEAP                     TRUE

+

+/**

+ * @brief   Memory Pools Allocator APIs.

+ * @details If enabled then the memory pools allocator APIs are included

+ *          in the kernel.

+ *

+ * @note    The default is @p TRUE.

+ */

+#define CH_CFG_USE_MEMPOOLS                 TRUE

+

+/**

+ * @brief   Dynamic Threads APIs.

+ * @details If enabled then the dynamic threads creation APIs are included

+ *          in the kernel.

+ *

+ * @note    The default is @p TRUE.

+ * @note    Requires @p CH_CFG_USE_WAITEXIT.

+ * @note    Requires @p CH_CFG_USE_HEAP and/or @p CH_CFG_USE_MEMPOOLS.

+ */

+#define CH_CFG_USE_DYNAMIC                  TRUE

+

+/** @} */

+

+/*===========================================================================*/

+/**

+ * @name Debug options

+ * @{

+ */

+/*===========================================================================*/

+

+/**

+ * @brief   Debug option, kernel statistics.

+ *

+ * @note    The default is @p FALSE.

+ */

+#define CH_DBG_STATISTICS                   FALSE

+

+/**

+ * @brief   Debug option, system state check.

+ * @details If enabled the correct call protocol for system APIs is checked

+ *          at runtime.

+ *

+ * @note    The default is @p FALSE.

+ */

+#define CH_DBG_SYSTEM_STATE_CHECK           TRUE

+

+/**

+ * @brief   Debug option, parameters checks.

+ * @details If enabled then the checks on the API functions input

+ *          parameters are activated.

+ *

+ * @note    The default is @p FALSE.

+ */

+#define CH_DBG_ENABLE_CHECKS                FALSE

+

+/**

+ * @brief   Debug option, consistency checks.

+ * @details If enabled then all the assertions in the kernel code are

+ *          activated. This includes consistency checks inside the kernel,

+ *          runtime anomalies and port-defined checks.

+ *

+ * @note    The default is @p FALSE.

+ */

+#define CH_DBG_ENABLE_ASSERTS               FALSE

+

+/**

+ * @brief   Debug option, trace buffer.

+ * @details If enabled then the context switch circular trace buffer is

+ *          activated.

+ *

+ * @note    The default is @p CH_DBG_TRACE_MASK_NONE.

+ */

+#define CH_DBG_TRACE_MASK                   CH_DBG_TRACE_MASK_NONE

+

+/**

+ * @brief   Trace buffer entries.

+ * @note    The trace buffer is only allocated if @p CH_DBG_TRACE_MASK is

+ *          different from @p CH_DBG_TRACE_MASK_NONE.

+ */

+#define CH_DBG_TRACE_BUFFER_SIZE            128

+

+/**

+ * @brief   Debug option, stack checks.

+ * @details If enabled then a runtime stack check is performed.

+ *

+ * @note    The default is @p FALSE.

+ * @note    The stack check is performed in a architecture/port dependent way.

+ *          It may not be implemented or some ports.

+ * @note    The default failure mode is to halt the system with the global

+ *          @p panic_msg variable set to @p NULL.

+ */

+#define CH_DBG_ENABLE_STACK_CHECK           FALSE

+

+/**

+ * @brief   Debug option, stacks initialization.

+ * @details If enabled then the threads working area is filled with a byte

+ *          value when a thread is created. This can be useful for the

+ *          runtime measurement of the used stack.

+ *

+ * @note    The default is @p FALSE.

+ */

+#define CH_DBG_FILL_THREADS                 FALSE

+

+/**

+ * @brief   Debug option, threads profiling.

+ * @details If enabled then a field is added to the @p thread_t structure that

+ *          counts the system ticks occurred while executing the thread.

+ *

+ * @note    The default is @p FALSE.

+ * @note    This debug option is not currently compatible with the

+ *          tickless mode.

+ */

+#define CH_DBG_THREADS_PROFILING            FALSE

+

+/** @} */

+

+/*===========================================================================*/

+/**

+ * @name Kernel hooks

+ * @{

+ */

+/*===========================================================================*/

+

+/**

+ * @brief   Threads descriptor structure extension.

+ * @details User fields added to the end of the @p thread_t structure.

+ */

+#define CH_CFG_THREAD_EXTRA_FIELDS                                          \

+  /* Add threads custom fields here.*/

+

+/**

+ * @brief   Threads initialization hook.

+ * @details User initialization code added to the @p chThdInit() API.

+ *

+ * @note    It is invoked from within @p chThdInit() and implicitly from all

+ *          the threads creation APIs.

+ */

+#define CH_CFG_THREAD_INIT_HOOK(tp) {                                       \

+  /* Add threads initialization code here.*/                                \

+}

+

+/**

+ * @brief   Threads finalization hook.

+ * @details User finalization code added to the @p chThdExit() API.

+ */

+#define CH_CFG_THREAD_EXIT_HOOK(tp) {                                       \

+  /* Add threads finalization code here.*/                                  \

+}

+

+/**

+ * @brief   Context switch hook.

+ * @details This hook is invoked just before switching between threads.

+ */

+#define CH_CFG_CONTEXT_SWITCH_HOOK(ntp, otp) {                              \

+	/* Context switch code here.*/					\

+}

+

+/**

+ * @brief   ISR enter hook.

+ */

+#define CH_CFG_IRQ_PROLOGUE_HOOK() {                                        \

+  /* IRQ prologue code here.*/                                              \

+}

+

+/**

+ * @brief   ISR exit hook.

+ */

+#define CH_CFG_IRQ_EPILOGUE_HOOK() {                                        \

+  /* IRQ epilogue code here.*/                                              \

+}

+

+/**

+ * @brief   Idle thread enter hook.

+ * @note    This hook is invoked within a critical zone, no OS functions

+ *          should be invoked from here.

+ * @note    This macro can be used to activate a power saving mode.

+ */

+#define CH_CFG_IDLE_ENTER_HOOK() {                                          \

+  /* Idle-enter code here.*/                                                \

+}

+

+/**

+ * @brief   Idle thread leave hook.

+ * @note    This hook is invoked within a critical zone, no OS functions

+ *          should be invoked from here.

+ * @note    This macro can be used to deactivate a power saving mode.

+ */

+#define CH_CFG_IDLE_LEAVE_HOOK() {                                          \

+  /* Idle-leave code here.*/                                                \

+}

+

+/**

+ * @brief   Idle Loop hook.

+ * @details This hook is continuously invoked by the idle thread loop.

+ */

+#define CH_CFG_IDLE_LOOP_HOOK() {                                           \

+  /* Idle loop code here.*/                                                 \

+}

+

+/**

+ * @brief   System tick event hook.

+ * @details This hook is invoked in the system tick handler immediately

+ *          after processing the virtual timers queue.

+ */

+#define CH_CFG_SYSTEM_TICK_HOOK() {                                         \

+  /* System tick event code here.*/                                         \

+}

+

+/**

+ * @brief   System halt hook.

+ * @details This hook is invoked in case to a system halting error before

+ *          the system is halted.

+ */

+#define CH_CFG_SYSTEM_HALT_HOOK(reason) {                                   \

+  /* System halt code here.*/                                               \

+}

+

+/**

+ * @brief   Trace hook.

+ * @details This hook is invoked each time a new record is written in the

+ *          trace buffer.

+ */

+#define CH_CFG_TRACE_HOOK(tep) {                                            \

+  /* Trace code here.*/                                                     \

+}

+

+/** @} */

+

+/*===========================================================================*/

+/* Port-specific settings (override port settings defaulted in chcore.h).    */

+/*===========================================================================*/

+

+#endif  /* _CHCONF_H_ */

+

+/** @} */

diff --git a/demos/NRF52/Classic/halconf.h b/demos/NRF52/Classic/halconf.h
new file mode 100644
index 0000000..3da2870
--- /dev/null
+++ b/demos/NRF52/Classic/halconf.h
@@ -0,0 +1,340 @@
+/*

+    Copyright (C) 2016 Stephane D'Alu

+

+    Licensed under the Apache License, Version 2.0 (the "License");

+    you may not use this file except in compliance with the License.

+    You may obtain a copy of the License at

+

+        http://www.apache.org/licenses/LICENSE-2.0

+

+    Unless required by applicable law or agreed to in writing, software

+    distributed under the License is distributed on an "AS IS" BASIS,

+    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.

+    See the License for the specific language governing permissions and

+    limitations under the License.

+*/

+

+/**

+ * @file    templates/halconf.h

+ * @brief   HAL configuration header.

+ * @details HAL configuration file, this file allows to enable or disable the

+ *          various device drivers from your application. You may also use

+ *          this file in order to override the device drivers default settings.

+ *

+ * @addtogroup HAL_CONF

+ * @{

+ */

+

+#ifndef _HALCONF_H_

+#define _HALCONF_H_

+

+#include "mcuconf.h"

+

+/**

+ * @brief   Enables the PAL subsystem.

+ */

+#if !defined(HAL_USE_PAL) || defined(__DOXYGEN__)

+#define HAL_USE_PAL                 TRUE

+#endif

+

+/**

+ * @brief   Enables the ADC subsystem.

+ */

+#if !defined(HAL_USE_ADC) || defined(__DOXYGEN__)

+#define HAL_USE_ADC                 FALSE

+#endif

+

+/**

+ * @brief   Enables the CAN subsystem.

+ */

+#if !defined(HAL_USE_CAN) || defined(__DOXYGEN__)

+#define HAL_USE_CAN                 FALSE

+#endif

+

+/**

+ * @brief   Enables the EXT subsystem.

+ */

+#if !defined(HAL_USE_EXT) || defined(__DOXYGEN__)

+#define HAL_USE_EXT                 FALSE

+#endif

+

+/**

+ * @brief   Enables the GPT subsystem.

+ */

+#if !defined(HAL_USE_GPT) || defined(__DOXYGEN__)

+#define HAL_USE_GPT                 TRUE

+#endif

+

+/**

+ * @brief   Enables the I2C subsystem.

+ */

+#if !defined(HAL_USE_I2C) || defined(__DOXYGEN__)

+#define HAL_USE_I2C                 FALSE

+#endif

+

+/**

+ * @brief   Enables the I2S subsystem.

+ */

+#if !defined(HAL_USE_I2S) || defined(__DOXYGEN__)

+#define HAL_USE_I2S                 FALSE

+#endif

+

+/**

+ * @brief   Enables the ICU subsystem.

+ */

+#if !defined(HAL_USE_ICU) || defined(__DOXYGEN__)

+#define HAL_USE_ICU                 FALSE

+#endif

+

+/**

+ * @brief   Enables the MAC subsystem.

+ */

+#if !defined(HAL_USE_MAC) || defined(__DOXYGEN__)

+#define HAL_USE_MAC                 FALSE

+#endif

+

+/**

+ * @brief   Enables the MMC_SPI subsystem.

+ */

+#if !defined(HAL_USE_MMC_SPI) || defined(__DOXYGEN__)

+#define HAL_USE_MMC_SPI             FALSE

+#endif

+

+/**

+ * @brief   Enables the PWM subsystem.

+ */

+#if !defined(HAL_USE_PWM) || defined(__DOXYGEN__)

+#define HAL_USE_PWM                 FALSE

+#endif

+

+/**

+ * @brief   Enables the RTC subsystem.

+ */

+#if !defined(HAL_USE_RTC) || defined(__DOXYGEN__)

+#define HAL_USE_RTC                 FALSE

+#endif

+

+/**

+ * @brief   Enables the SDC subsystem.

+ */

+#if !defined(HAL_USE_SDC) || defined(__DOXYGEN__)

+#define HAL_USE_SDC                 FALSE

+#endif

+

+/**

+ * @brief   Enables the SERIAL subsystem.

+ */

+#if !defined(HAL_USE_SERIAL) || defined(__DOXYGEN__)

+#define HAL_USE_SERIAL              TRUE

+#endif

+

+/**

+ * @brief   Enables the SERIAL over USB subsystem.

+ */

+#if !defined(HAL_USE_SERIAL_USB) || defined(__DOXYGEN__)

+#define HAL_USE_SERIAL_USB          FALSE

+#endif

+

+/**

+ * @brief   Enables the SPI subsystem.

+ */

+#if !defined(HAL_USE_SPI) || defined(__DOXYGEN__)

+#define HAL_USE_SPI                 FALSE

+#endif

+

+/**

+ * @brief   Enables the UART subsystem.

+ */

+#if !defined(HAL_USE_UART) || defined(__DOXYGEN__)

+#define HAL_USE_UART                FALSE

+#endif

+

+/**

+ * @brief   Enables the USB subsystem.

+ */

+#if !defined(HAL_USE_USB) || defined(__DOXYGEN__)

+#define HAL_USE_USB                 FALSE

+#endif

+

+/**

+ * @brief   Enables the WDG subsystem.

+ */

+#if !defined(HAL_USE_WDG) || defined(__DOXYGEN__)

+#define HAL_USE_WDG                 TRUE

+#endif

+

+/*===========================================================================*/

+/* ADC driver related settings.                                              */

+/*===========================================================================*/

+

+/**

+ * @brief   Enables synchronous APIs.

+ * @note    Disabling this option saves both code and data space.

+ */

+#if !defined(ADC_USE_WAIT) || defined(__DOXYGEN__)

+#define ADC_USE_WAIT                TRUE

+#endif

+

+/**

+ * @brief   Enables the @p adcAcquireBus() and @p adcReleaseBus() APIs.

+ * @note    Disabling this option saves both code and data space.

+ */

+#if !defined(ADC_USE_MUTUAL_EXCLUSION) || defined(__DOXYGEN__)

+#define ADC_USE_MUTUAL_EXCLUSION    TRUE

+#endif

+

+/*===========================================================================*/

+/* CAN driver related settings.                                              */

+/*===========================================================================*/

+

+/**

+ * @brief   Sleep mode related APIs inclusion switch.

+ */

+#if !defined(CAN_USE_SLEEP_MODE) || defined(__DOXYGEN__)

+#define CAN_USE_SLEEP_MODE          TRUE

+#endif

+

+/*===========================================================================*/

+/* I2C driver related settings.                                              */

+/*===========================================================================*/

+

+/**

+ * @brief   Enables the mutual exclusion APIs on the I2C bus.

+ */

+#if !defined(I2C_USE_MUTUAL_EXCLUSION) || defined(__DOXYGEN__)

+#define I2C_USE_MUTUAL_EXCLUSION    TRUE

+#endif

+

+/*===========================================================================*/

+/* MAC driver related settings.                                              */

+/*===========================================================================*/

+

+/**

+ * @brief   Enables an event sources for incoming packets.

+ */

+#if !defined(MAC_USE_ZERO_COPY) || defined(__DOXYGEN__)

+#define MAC_USE_ZERO_COPY           FALSE

+#endif

+

+/**

+ * @brief   Enables an event sources for incoming packets.

+ */

+#if !defined(MAC_USE_EVENTS) || defined(__DOXYGEN__)

+#define MAC_USE_EVENTS              TRUE

+#endif

+

+/*===========================================================================*/

+/* MMC_SPI driver related settings.                                          */

+/*===========================================================================*/

+

+/**

+ * @brief   Delays insertions.

+ * @details If enabled this options inserts delays into the MMC waiting

+ *          routines releasing some extra CPU time for the threads with

+ *          lower priority, this may slow down the driver a bit however.

+ *          This option is recommended also if the SPI driver does not

+ *          use a DMA channel and heavily loads the CPU.

+ */

+#if !defined(MMC_NICE_WAITING) || defined(__DOXYGEN__)

+#define MMC_NICE_WAITING            TRUE

+#endif

+

+/*===========================================================================*/

+/* SDC driver related settings.                                              */

+/*===========================================================================*/

+

+/**

+ * @brief   Number of initialization attempts before rejecting the card.

+ * @note    Attempts are performed at 10mS intervals.

+ */

+#if !defined(SDC_INIT_RETRY) || defined(__DOXYGEN__)

+#define SDC_INIT_RETRY              100

+#endif

+

+/**

+ * @brief   Include support for MMC cards.

+ * @note    MMC support is not yet implemented so this option must be kept

+ *          at @p FALSE.

+ */

+#if !defined(SDC_MMC_SUPPORT) || defined(__DOXYGEN__)

+#define SDC_MMC_SUPPORT             FALSE

+#endif

+

+/**

+ * @brief   Delays insertions.

+ * @details If enabled this options inserts delays into the MMC waiting

+ *          routines releasing some extra CPU time for the threads with

+ *          lower priority, this may slow down the driver a bit however.

+ */

+#if !defined(SDC_NICE_WAITING) || defined(__DOXYGEN__)

+#define SDC_NICE_WAITING            TRUE

+#endif

+

+/*===========================================================================*/

+/* SERIAL driver related settings.                                           */

+/*===========================================================================*/

+

+/**

+ * @brief   Default bit rate.

+ * @details Configuration parameter, this is the baud rate selected for the

+ *          default configuration.

+ */

+#if !defined(SERIAL_DEFAULT_BITRATE) || defined(__DOXYGEN__)

+#define SERIAL_DEFAULT_BITRATE      38400

+#endif

+

+/**

+ * @brief   Serial buffers size.

+ * @details Configuration parameter, you can change the depth of the queue

+ *          buffers depending on the requirements of your application.

+ * @note    The default is 64 bytes for both the transmission and receive

+ *          buffers.

+ */

+#if !defined(SERIAL_BUFFERS_SIZE) || defined(__DOXYGEN__)

+#define SERIAL_BUFFERS_SIZE         16

+#endif

+

+/*===========================================================================*/

+/* SERIAL_USB driver related setting.                                        */

+/*===========================================================================*/

+

+/**

+ * @brief   Serial over USB buffers size.

+ * @details Configuration parameter, the buffer size must be a multiple of

+ *          the USB data endpoint maximum packet size.

+ * @note    The default is 64 bytes for both the transmission and receive

+ *          buffers.

+ */

+#if !defined(SERIAL_USB_BUFFERS_SIZE) || defined(__DOXYGEN__)

+#define SERIAL_USB_BUFFERS_SIZE     256

+#endif

+

+/*===========================================================================*/

+/* SPI driver related settings.                                              */

+/*===========================================================================*/

+

+/**

+ * @brief   Enables synchronous APIs.

+ * @note    Disabling this option saves both code and data space.

+ */

+#if !defined(SPI_USE_WAIT) || defined(__DOXYGEN__)

+#define SPI_USE_WAIT                TRUE

+#endif

+

+/**

+ * @brief   Enables the @p spiAcquireBus() and @p spiReleaseBus() APIs.

+ * @note    Disabling this option saves both code and data space.

+ */

+#if !defined(SPI_USE_MUTUAL_EXCLUSION) || defined(__DOXYGEN__)

+#define SPI_USE_MUTUAL_EXCLUSION    TRUE

+#endif

+

+/*===========================================================================*/

+/* Community drivers's includes                                              */

+/*===========================================================================*/

+

+#include "halconf_community.h"

+

+#endif /* _HALCONF_H_ */

+

+/** @} */

diff --git a/demos/NRF52/Classic/halconf_community.h b/demos/NRF52/Classic/halconf_community.h
new file mode 100644
index 0000000..907a7a6
--- /dev/null
+++ b/demos/NRF52/Classic/halconf_community.h
@@ -0,0 +1,71 @@
+/*
+    ChibiOS - Copyright (C) 2016 Stéphane D'Alu
+
+    Licensed under the Apache License, Version 2.0 (the "License");
+    you may not use this file except in compliance with the License.
+    You may obtain a copy of the License at
+
+        http://www.apache.org/licenses/LICENSE-2.0
+
+    Unless required by applicable law or agreed to in writing, software
+    distributed under the License is distributed on an "AS IS" BASIS,
+    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+    See the License for the specific language governing permissions and
+    limitations under the License.
+*/
+
+
+#ifndef _HALCONF_COMMUNITY_H_
+#define _HALCONF_COMMUNITY_H_
+
+
+/**
+ * @brief   Enables the community overlay.
+ */
+#if !defined(HAL_USE_COMMUNITY) || defined(__DOXYGEN__)
+#define HAL_USE_COMMUNITY           TRUE
+#endif
+
+
+/**
+ * @brief   Enables the community subsystem.
+ */
+#if !defined(HAL_USE_RNG) || defined(__DOXYGEN__)
+#define HAL_USE_RNG                 TRUE
+#endif
+
+
+#define HAL_USE_QEI                 TRUE
+
+
+/*===========================================================================*/
+/* QEI driver related settings.                                              */
+/*===========================================================================*/
+
+/**
+ * @brief   Enables discard of overlow
+ */
+#if !defined(QEI_USE_OVERFLOW_DISCARD) || defined(__DOXYGEN__)
+#define QEI_USE_OVERFLOW_DISCARD    TRUE
+#endif
+
+/**
+ * @brief   Enables discard of overlow
+ */
+#if !defined(QEI_USE_OVERFLOW_MINMAX) || defined(__DOXYGEN__)
+#define QEI_USE_OVERFLOW_MINMAX     TRUE
+#endif
+
+
+
+
+
+//#define HAL_USE_SOFTDEVICE TRUE
+
+#define HAL_USE_CAPSENSE TRUE
+#define CAPSENSE_USE_WAIT TRUE
+#define CAPSENSE_USE_MUTUAL_EXCLUSION TRUE
+
+
+
+#endif /* _HALCONF_COMMUNITY_H_ */
diff --git a/demos/NRF52/Classic/main.c b/demos/NRF52/Classic/main.c
new file mode 100644
index 0000000..28e7505
--- /dev/null
+++ b/demos/NRF52/Classic/main.c
@@ -0,0 +1,224 @@
+#include <stdint.h>
+#include <string.h>
+
+#include "ch.h"
+#include "hal.h"
+#include "chprintf.h"
+#include "shell.h"
+#include "ch_test.h"
+
+#define LED_EXT 14
+
+
+bool watchdog_started = false;
+
+void watchdog_callback(void) {
+  palTogglePad(IOPORT1, LED2);
+  palTogglePad(IOPORT1, LED3);
+  palTogglePad(IOPORT1, LED4);
+}
+
+WDGConfig WDG_config = {
+    .pause_on_sleep = 0,
+    .pause_on_halt  = 0,
+    .timeout_ms     = 5000,
+    .callback       = watchdog_callback,
+};
+
+
+void gpt_callback(GPTDriver *gptp) {
+  palTogglePad(IOPORT1, LED2);
+}
+
+/*
+ * GPT configuration
+ * Frequency: 31250Hz (32us period)
+ * Resolution: 16 bits
+ */
+static const GPTConfig gpt_config = {
+    .frequency  = 31250,
+    .callback   = gpt_callback,
+    .resolution = 16,
+};
+
+
+/*
+ * Command Random
+ */
+#define RANDOM_BUFFER_SIZE 1024
+static uint8_t random_buffer[RANDOM_BUFFER_SIZE];
+
+static void cmd_random(BaseSequentialStream *chp, int argc, char *argv[]) {
+    uint16_t size = 16;
+    uint16_t i    = 0;
+    uint8_t  nl   = 0;
+    
+    if (argc > 0) {
+	size = atoi(argv[0]);
+    }
+
+    if (size > RANDOM_BUFFER_SIZE) {
+	chprintf(chp, "random: maximum size is %d.\r\n", RANDOM_BUFFER_SIZE);
+	return;
+    }
+    
+    chprintf(chp, "Fetching %d random byte(s):\r\n", size);
+
+    rngStart(&RNGD1, NULL);
+    rngWrite(&RNGD1, random_buffer, size, TIME_INFINITE);
+    rngStop(&RNGD1);
+
+    for (i = 0 ; i < size ; i++) {
+	chprintf(chp, "%02x ", random_buffer[i]);
+	if ((nl = (((i+1) % 20)) == 0))
+	    chprintf(chp, "\r\n");
+    }
+    if (!nl)
+	chprintf(chp, "\r\n");
+    
+}
+
+
+
+
+static void cmd_watchdog(BaseSequentialStream *chp, int argc, char *argv[]) {
+    if ((argc != 2) || (strcmp(argv[0], "start"))) {
+    usage:
+	chprintf(chp, "Usage: watchdog start <timeout>\r\n"
+		      "  <timeout> = 0..%d seconds\r\n",
+		      WDG_MAX_TIMEOUT_MS/1000);
+	return;
+    }
+    int timeout = atoi(argv[1]);
+    if ((timeout < 0) || (timeout > (WDG_MAX_TIMEOUT_MS/1000)))
+	goto usage;
+
+    if (watchdog_started) {
+	chprintf(chp, "Watchdog already started."
+		      " Can't be modified once activated.\r\n");
+	return;
+    }
+    
+    chprintf(chp,
+	     "Watchdog started\r\n"
+	     "You need to push BTN1 every %d second(s)\r\n", timeout);
+
+    WDG_config.timeout_ms = timeout * 1000;
+    wdgStart(&WDGD1, &WDG_config);
+    watchdog_started = true;
+}
+
+
+
+
+static void cmd_info(BaseSequentialStream *chp, int argc, char *argv[]) {
+    chprintf(chp, "Watchdog max = %d ms\r\n", WDG_MAX_TIMEOUT_MS);
+}
+
+
+static THD_WORKING_AREA(shell_wa, 1024);
+
+static const ShellCommand commands[] = {
+  {"info",     cmd_info     },
+  {"random",   cmd_random   },
+  {"watchdog", cmd_watchdog },
+  {NULL, NULL}
+};
+
+static const ShellConfig shell_cfg1 = {
+  (BaseSequentialStream *)&SD1,
+  commands
+};
+
+static SerialConfig serial_config = {
+    .speed   = 115200,
+    .tx_pad  = UART_TX,
+    .rx_pad  = UART_RX,
+#if NRF5_SERIAL_USE_HWFLOWCTRL	== TRUE
+    .rts_pad = UART_RTS,
+    .cts_pad = UART_CTS,
+#endif
+};
+
+
+
+
+
+
+
+static THD_WORKING_AREA(waThread1, 64);
+static THD_FUNCTION(Thread1, arg) {
+
+    (void)arg;
+    uint8_t led = LED4;
+    
+    chRegSetThreadName("blinker");
+
+    
+    while (1) {
+	palTogglePad(IOPORT1, led);
+	chThdSleepMilliseconds(100);
+    }
+}
+
+
+#define printf(fmt, ...)					\
+    chprintf((BaseSequentialStream*)&SD1, fmt, ##__VA_ARGS__)
+
+
+
+
+/**@brief Function for application main entry.
+ */
+int main(void)
+{
+    
+    halInit();
+    chSysInit();
+    shellInit();
+  
+    sdStart(&SD1, &serial_config);
+
+    palSetPad(IOPORT1, LED1);
+    palClearPad(IOPORT1, LED2);
+    palClearPad(IOPORT1, LED3);
+    palSetPad(IOPORT1, LED4);
+
+    gptStart(&GPTD1, &gpt_config);
+    gptStartContinuous(&GPTD1, 31250);
+    
+
+    chThdCreateStatic(waThread1, sizeof(waThread1), NORMALPRIO+1,
+		      Thread1, NULL);
+
+
+    
+    chThdCreateStatic(shell_wa, sizeof(shell_wa), NORMALPRIO+1,
+		      shellThread, (void *)&shell_cfg1);
+
+
+
+    
+    printf(PORT_INFO "\r\n");
+    chThdSleep(2);
+    
+
+
+    printf("Priority levels %d\r\n", CORTEX_PRIORITY_LEVELS);
+    
+    //test_execute((BaseSequentialStream *)&SD1);
+
+    NRF_P0->DETECTMODE = 0;
+    
+    while (true) {
+	if (watchdog_started &&
+	    (palReadPad(IOPORT1, BTN1) == 0)) {
+	    palTogglePad(IOPORT1, LED1);
+	    wdgReset(&WDGD1);
+	    printf("Watchdog reseted\r\n");
+	}
+	chThdSleepMilliseconds(250);
+    }
+
+}
+
diff --git a/demos/NRF52/Classic/mcuconf.h b/demos/NRF52/Classic/mcuconf.h
new file mode 100644
index 0000000..ee51b4d
--- /dev/null
+++ b/demos/NRF52/Classic/mcuconf.h
@@ -0,0 +1,52 @@
+/*

+    Copyright (C) 2016 Stephane D'Alu

+

+    Licensed under the Apache License, Version 2.0 (the "License");

+    you may not use this file except in compliance with the License.

+    You may obtain a copy of the License at

+

+        http://www.apache.org/licenses/LICENSE-2.0

+

+    Unless required by applicable law or agreed to in writing, software

+    distributed under the License is distributed on an "AS IS" BASIS,

+    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.

+    See the License for the specific language governing permissions and

+    limitations under the License.

+*/

+

+#ifndef _MCUCONF_H_

+#define _MCUCONF_H_

+

+/*

+ * Board setting

+ */

+

+

+#define NRF5_SOFTDEVICE_THREAD_WA_SIZE 128

+

+#define SHELL_CMD_TEST_ENABLED FALSE

+#define SHELL_CMD_ECHO_ENABLED FALSE

+#define SHELL_CMD_INFO_ENABLED FALSE

+

+

+

+

+#define NRF5_SOFTDEVICE_LFCLK_SOURCE   NRF_CLOCK_LF_SRC_XTAL

+#define NRF5_SOFTDEVICE_LFCLK_ACCURACY NRF_CLOCK_LF_XTAL_ACCURACY_20_PPM

+

+

+/*

+ * HAL driver system settings.

+ */

+#define NRF5_SERIAL_USE_UART0             TRUE

+#define NRF5_SERIAL_USE_HWFLOWCTRL	   TRUE

+#define NRF5_RNG_USE_RNG0 		   TRUE

+#define NRF5_GPT_USE_TIMER0 		   TRUE

+

+#define NRF5_QEI_USE_QDEC0 TRUE

+#define NRF5_QEI_USE_LED   FALSE

+

+#define WDG_USE_TIMEOUT_CALLBACK    TRUE

+

+

+#endif /* _MCUCONF_H_ */