Merge branch 'master' into unusedvariable

Author: hathach

.github/workflows/githubci.yml

@@ -0,0 +1,63 @@
+name: Build
+
+on: [pull_request, push]
+
+jobs:
+  build:
+    strategy:
+      fail-fast: false
+      matrix:
+        arduino-platform: ['metro_m0', 'hallowing', 'circuitplayground_m0',
+                           'metro_m4', 'pybadge_m4', 'pygamer_m4', 'hallowing_m4', 'pyportal_m4', 'pyportal_m4_titano']
+
+    runs-on: ubuntu-latest
+    
+    steps:
+    - name: Setup Python
+      uses: actions/setup-python@v1
+      with:
+        python-version: '3.x'
+        
+    - name: Checkout code
+      uses: actions/checkout@v2
+
+    - name: Checkout submodules
+      shell: bash
+      run: |
+        auth_header="$(git config --local --get http.https://github.com/.extraheader)"
+        git submodule sync --recursive
+        git -c "http.extraheader=$auth_header" -c protocol.version=2 submodule update --init --force --recursive      
+        
+    - name: Install Arduino CLI and Tools
+      run: |
+        # make all our directories we need for files and libraries
+        mkdir $HOME/.arduino15
+        mkdir $HOME/.arduino15/packages
+        mkdir $HOME/Arduino
+        mkdir $HOME/Arduino/libraries
+        curl -fsSL https://raw.githubusercontent.com/arduino/arduino-cli/master/install.sh | sh
+        echo "::add-path::$GITHUB_WORKSPACE/bin"
+        
+    - name: Install BSP and Libraries
+      env:
+        BSP_URL: https://adafruit.github.io/arduino-board-index/package_adafruit_index.json
+        BSP_PATH: .arduino15/packages/adafruit/hardware/samd
+        LIB_DEPS: FlashStorage SD
+      run: |
+        arduino-cli config init
+        arduino-cli core update-index
+        arduino-cli core update-index --additional-urls $BSP_URL        
+        arduino-cli core install arduino:samd --additional-urls $BSP_URL
+        arduino-cli core install adafruit:samd --additional-urls $BSP_URL
+        # Replace release BSP with our code
+        BSP_VERSION=`eval ls $HOME/$BSP_PATH`
+        rm -r $HOME/$BSP_PATH/*
+        ln -s $GITHUB_WORKSPACE $HOME/$BSP_PATH/$BSP_VERSION
+        arduino-cli lib install $LIB_DEPS
+
+    - name: Build examples
+      run: python3 extras/build_all.py ${{ matrix.arduino-platform }}
+
+    # How to mark this as allowed-to-fail?
+    - name: Build examples (-Wall)
+      run: python3 extras/build_all.py --all_warnings --warnings_do_not_cause_job_failure

README.md

@@ -1,5 +1,7 @@
 # Arduino Core for SAMD21 and SAMD51 CPU
 
+[![Build Status](https://github.com/adafruit/ArduinoCore-samd/workflows/Build/badge.svg)](https://github.com/adafruit/ArduinoCore-samd/actions)
+
 This repository contains the source code and configuration files of the Arduino Core
 for Atmel's SAMD21 and SAMD51 processor (used on the Arduino/Genuino Zero, MKR1000 and MKRZero boards).
 

boards.txt

@@ -262,7 +262,7 @@ adafruit_trinket_m0.build.variant_system_lib=
 adafruit_trinket_m0.build.vid=0x239A
 adafruit_trinket_m0.build.pid=0x801E
 adafruit_trinket_m0.bootloader.tool=openocd
-adafruit_trinket_m0.bootloader.file=trinketM0/bootloader-trinket_m0-v2.0.0-adafruit.5.bin
+adafruit_trinket_m0.bootloader.file=trinketm0/bootloader-trinket_m0-v2.0.0-adafruit.5.bin
 adafruit_trinket_m0.menu.usbstack.arduino=Arduino
 adafruit_trinket_m0.menu.usbstack.tinyusb=TinyUSB
 adafruit_trinket_m0.menu.usbstack.tinyusb.build.flags.usbstack=-DUSE_TINYUSB
@@ -448,7 +448,7 @@ adafruit_metro_m4.build.vid=0x239A
 adafruit_metro_m4.build.pid=0x8020
 adafruit_metro_m4.bootloader.tool=openocd
 adafruit_metro_m4.bootloader.file=metroM4/bootloader-metro_m4-v2.0.0-adafruit.5.bin
-adafruit_metro_m4.compiler.arm.cmsis.ldflags="-L{build.variant.path}" -larm_cortexM4lf_math -mfloat-abi=hard -mfpu=fpv4-sp-d16
+adafruit_metro_m4.compiler.arm.cmsis.ldflags="-L{runtime.tools.CMSIS-5.4.0.path}/CMSIS/Lib/GCC/" "-L{build.variant.path}" -larm_cortexM4lf_math -mfloat-abi=hard -mfpu=fpv4-sp-d16
 adafruit_metro_m4.menu.cache.on=Enabled
 adafruit_metro_m4.menu.cache.on.build.cache_flags=-DENABLE_CACHE
 adafruit_metro_m4.menu.cache.off=Disabled
@@ -514,7 +514,7 @@ adafruit_grandcentral_m4.build.vid=0x239A
 adafruit_grandcentral_m4.build.pid=0x8031
 adafruit_grandcentral_m4.bootloader.tool=openocd
 adafruit_grandcentral_m4.bootloader.file=grand_central_m4/bootloader-grandcentralM4-v2.0.0-adafruit.5.bin
-adafruit_grandcentral_m4.compiler.arm.cmsis.ldflags="-L{build.variant.path}" -larm_cortexM4lf_math -mfloat-abi=hard -mfpu=fpv4-sp-d16
+adafruit_grandcentral_m4.compiler.arm.cmsis.ldflags="-L{runtime.tools.CMSIS-5.4.0.path}/CMSIS/Lib/GCC/" "-L{build.variant.path}" -larm_cortexM4lf_math -mfloat-abi=hard -mfpu=fpv4-sp-d16
 adafruit_grandcentral_m4.menu.cache.on=Enabled
 adafruit_grandcentral_m4.menu.cache.on.build.cache_flags=-DENABLE_CACHE
 adafruit_grandcentral_m4.menu.cache.off=Disabled
@@ -577,7 +577,7 @@ adafruit_itsybitsy_m4.build.vid=0x239A
 adafruit_itsybitsy_m4.build.pid=0x802B
 adafruit_itsybitsy_m4.bootloader.tool=openocd
 adafruit_itsybitsy_m4.bootloader.file=itsybitsyM4/bootloader-itsybitsy_m4-v2.0.0-adafruit.5.bin
-adafruit_itsybitsy_m4.compiler.arm.cmsis.ldflags="-L{build.variant.path}" -larm_cortexM4lf_math -mfloat-abi=hard -mfpu=fpv4-sp-d16
+adafruit_itsybitsy_m4.compiler.arm.cmsis.ldflags="-L{runtime.tools.CMSIS-5.4.0.path}/CMSIS/Lib/GCC/" "-L{build.variant.path}" -larm_cortexM4lf_math -mfloat-abi=hard -mfpu=fpv4-sp-d16
 adafruit_itsybitsy_m4.menu.cache.on=Enabled
 adafruit_itsybitsy_m4.menu.cache.on.build.cache_flags=-DENABLE_CACHE
 adafruit_itsybitsy_m4.menu.cache.off=Disabled
@@ -640,7 +640,7 @@ adafruit_feather_m4.build.vid=0x239A
 adafruit_feather_m4.build.pid=0x8022
 adafruit_feather_m4.bootloader.tool=openocd
 adafruit_feather_m4.bootloader.file=featherM4/bootloader-feather_m4-v2.0.0-adafruit.5.bin
-adafruit_feather_m4.compiler.arm.cmsis.ldflags="-L{build.variant.path}" -larm_cortexM4lf_math -mfloat-abi=hard -mfpu=fpv4-sp-d16
+adafruit_feather_m4.compiler.arm.cmsis.ldflags="-L{runtime.tools.CMSIS-5.4.0.path}/CMSIS/Lib/GCC/" "-L{build.variant.path}" -larm_cortexM4lf_math -mfloat-abi=hard -mfpu=fpv4-sp-d16 
 adafruit_feather_m4.menu.cache.on=Enabled
 adafruit_feather_m4.menu.cache.on.build.cache_flags=-DENABLE_CACHE
 adafruit_feather_m4.menu.cache.off=Disabled
@@ -705,7 +705,7 @@ adafruit_trellis_m4.build.vid=0x239A
 adafruit_trellis_m4.build.pid=0x802F
 adafruit_trellis_m4.bootloader.tool=openocd
 adafruit_trellis_m4.bootloader.file=trellisM4/bootloader-trellis_m4-v2.0.0-adafruit.5.bin
-adafruit_trellis_m4.compiler.arm.cmsis.ldflags="-L{build.variant.path}" -larm_cortexM4lf_math -mfloat-abi=hard -mfpu=fpv4-sp-d16
+adafruit_trellis_m4.compiler.arm.cmsis.ldflags="-L{runtime.tools.CMSIS-5.4.0.path}/CMSIS/Lib/GCC/" "-L{build.variant.path}" -larm_cortexM4lf_math -mfloat-abi=hard -mfpu=fpv4-sp-d16
 adafruit_trellis_m4.menu.cache.on=Enabled
 adafruit_trellis_m4.menu.cache.on.build.cache_flags=-DENABLE_CACHE
 adafruit_trellis_m4.menu.cache.off=Disabled
@@ -768,7 +768,7 @@ adafruit_pyportal_m4.build.vid=0x239A
 adafruit_pyportal_m4.build.pid=0x8035
 adafruit_pyportal_m4.bootloader.tool=openocd
 adafruit_pyportal_m4.bootloader.file=metroM4/bootloader-metro_m4-v2.0.0-adafruit.5.bin
-adafruit_pyportal_m4.compiler.arm.cmsis.ldflags="-L{build.variant.path}" -larm_cortexM4lf_math -mfloat-abi=hard -mfpu=fpv4-sp-d16
+adafruit_pyportal_m4.compiler.arm.cmsis.ldflags="-L{runtime.tools.CMSIS-5.4.0.path}/CMSIS/Lib/GCC/" "-L{build.variant.path}" -larm_cortexM4lf_math -mfloat-abi=hard -mfpu=fpv4-sp-d16
 adafruit_pyportal_m4.menu.cache.on=Enabled
 adafruit_pyportal_m4.menu.cache.on.build.cache_flags=-DENABLE_CACHE
 adafruit_pyportal_m4.menu.cache.off=Disabled
@@ -831,7 +831,7 @@ adafruit_pyportal_m4_titano.build.vid=0x239A
 adafruit_pyportal_m4_titano.build.pid=0x8035
 adafruit_pyportal_m4_titano.bootloader.tool=openocd
 adafruit_pyportal_m4_titano.bootloader.file=metroM4/bootloader-metro_m4-v2.0.0-adafruit.5.bin
-adafruit_pyportal_m4_titano.compiler.arm.cmsis.ldflags="-L{build.variant.path}" -larm_cortexM4lf_math -mfloat-abi=hard -mfpu=fpv4-sp-d16
+adafruit_pyportal_m4_titano.compiler.arm.cmsis.ldflags="-L{runtime.tools.CMSIS-5.4.0.path}/CMSIS/Lib/GCC/" "-L{build.variant.path}" -larm_cortexM4lf_math -mfloat-abi=hard -mfpu=fpv4-sp-d16
 adafruit_pyportal_m4_titano.menu.cache.on=Enabled
 adafruit_pyportal_m4_titano.menu.cache.on.build.cache_flags=-DENABLE_CACHE
 adafruit_pyportal_m4_titano.menu.cache.off=Disabled
@@ -896,7 +896,7 @@ adafruit_pybadge_m4.build.vid=0x239A
 adafruit_pybadge_m4.build.pid=0x8033
 adafruit_pybadge_m4.bootloader.tool=openocd
 adafruit_pybadge_m4.bootloader.file=featherM4/bootloader-feather_m4-v2.0.0-adafruit.5.bin
-adafruit_pybadge_m4.compiler.arm.cmsis.ldflags="-L{build.variant.path}" -larm_cortexM4lf_math -mfloat-abi=hard -mfpu=fpv4-sp-d16
+adafruit_pybadge_m4.compiler.arm.cmsis.ldflags="-L{runtime.tools.CMSIS-5.4.0.path}/CMSIS/Lib/GCC/" "-L{build.variant.path}" -larm_cortexM4lf_math -mfloat-abi=hard -mfpu=fpv4-sp-d16
 adafruit_pybadge_m4.menu.cache.on=Enabled
 adafruit_pybadge_m4.menu.cache.on.build.cache_flags=-DENABLE_CACHE
 adafruit_pybadge_m4.menu.cache.off=Disabled
@@ -960,7 +960,7 @@ adafruit_metro_m4_airliftlite.build.vid=0x239A
 adafruit_metro_m4_airliftlite.build.pid=0x8037
 adafruit_metro_m4_airliftlite.bootloader.tool=openocd
 adafruit_metro_m4_airliftlite.bootloader.file=metroM4/bootloader-metro_m4-v2.0.0-adafruit.5.bin
-adafruit_metro_m4_airliftlite.compiler.arm.cmsis.ldflags="-L{build.variant.path}" -larm_cortexM4lf_math -mfloat-abi=hard -mfpu=fpv4-sp-d16
+adafruit_metro_m4_airliftlite.compiler.arm.cmsis.ldflags="-L{runtime.tools.CMSIS-5.4.0.path}/CMSIS/Lib/GCC/" "-L{build.variant.path}" -larm_cortexM4lf_math -mfloat-abi=hard -mfpu=fpv4-sp-d16
 adafruit_metro_m4_airliftlite.menu.cache.on=Enabled
 adafruit_metro_m4_airliftlite.menu.cache.on.build.cache_flags=-DENABLE_CACHE
 adafruit_metro_m4_airliftlite.menu.cache.off=Disabled
@@ -1025,7 +1025,7 @@ adafruit_pygamer_m4.build.vid=0x239A
 adafruit_pygamer_m4.build.pid=0x803D
 adafruit_pygamer_m4.bootloader.tool=openocd
 adafruit_pygamer_m4.bootloader.file=featherM4/bootloader-feather_m4-v2.0.0-adafruit.5.bin
-adafruit_pygamer_m4.compiler.arm.cmsis.ldflags="-L{build.variant.path}" -larm_cortexM4lf_math -mfloat-abi=hard -mfpu=fpv4-sp-d16
+adafruit_pygamer_m4.compiler.arm.cmsis.ldflags="-L{runtime.tools.CMSIS-5.4.0.path}/CMSIS/Lib/GCC/" "-L{build.variant.path}" -larm_cortexM4lf_math -mfloat-abi=hard -mfpu=fpv4-sp-d16
 adafruit_pygamer_m4.menu.cache.on=Enabled
 adafruit_pygamer_m4.menu.cache.on.build.cache_flags=-DENABLE_CACHE
 adafruit_pygamer_m4.menu.cache.off=Disabled
@@ -1089,7 +1089,7 @@ adafruit_pygamer_advance_m4.build.vid=0x239A
 adafruit_pygamer_advance_m4.build.pid=0x8041
 adafruit_pygamer_advance_m4.bootloader.tool=openocd
 adafruit_pygamer_advance_m4.bootloader.file=featherM4/bootloader-feather_m4-v2.0.0-adafruit.5.bin
-adafruit_pygamer_advance_m4.compiler.arm.cmsis.ldflags="-L{build.variant.path}" -larm_cortexM4lf_math -mfloat-abi=hard -mfpu=fpv4-sp-d16
+adafruit_pygamer_advance_m4.compiler.arm.cmsis.ldflags="-L{runtime.tools.CMSIS-5.4.0.path}/CMSIS/Lib/GCC/" "-L{build.variant.path}" -larm_cortexM4lf_math -mfloat-abi=hard -mfpu=fpv4-sp-d16
 adafruit_pygamer_advance_m4.menu.cache.on=Enabled
 adafruit_pygamer_advance_m4.menu.cache.on.build.cache_flags=-DENABLE_CACHE
 adafruit_pygamer_advance_m4.menu.cache.off=Disabled
@@ -1155,7 +1155,7 @@ adafruit_pybadge_airlift_m4.build.vid=0x239A
 adafruit_pybadge_airlift_m4.build.pid=0x8043
 adafruit_pybadge_airlift_m4.bootloader.tool=openocd
 adafruit_pybadge_airlift_m4.bootloader.file=featherM4/bootloader-feather_m4-v2.0.0-adafruit.5.bin
-adafruit_pybadge_airlift_m4.compiler.arm.cmsis.ldflags="-L{build.variant.path}" -larm_cortexM4lf_math -mfloat-abi=hard -mfpu=fpv4-sp-d16
+adafruit_pybadge_airlift_m4.compiler.arm.cmsis.ldflags="-L{runtime.tools.CMSIS-5.4.0.path}/CMSIS/Lib/GCC/" "-L{build.variant.path}" -larm_cortexM4lf_math -mfloat-abi=hard -mfpu=fpv4-sp-d16
 adafruit_pybadge_airlift_m4.menu.cache.on=Enabled
 adafruit_pybadge_airlift_m4.menu.cache.on.build.cache_flags=-DENABLE_CACHE
 adafruit_pybadge_airlift_m4.menu.cache.off=Disabled
@@ -1221,7 +1221,7 @@ adafruit_monster_m4sk.build.vid=0x239A
 adafruit_monster_m4sk.build.pid=0x8047
 adafruit_monster_m4sk.bootloader.tool=openocd
 adafruit_monster_m4sk.bootloader.file=featherM4/bootloader-feather_m4-v2.0.0-adafruit.5.bin
-adafruit_monster_m4sk.compiler.arm.cmsis.ldflags="-L{build.variant.path}" -larm_cortexM4lf_math -mfloat-abi=hard -mfpu=fpv4-sp-d16
+adafruit_monster_m4sk.compiler.arm.cmsis.ldflags="-L{runtime.tools.CMSIS-5.4.0.path}/CMSIS/Lib/GCC/" "-L{build.variant.path}" -larm_cortexM4lf_math -mfloat-abi=hard -mfpu=fpv4-sp-d16
 adafruit_monster_m4sk.menu.cache.on=Enabled
 adafruit_monster_m4sk.menu.cache.on.build.cache_flags=-DENABLE_CACHE
 adafruit_monster_m4sk.menu.cache.off=Disabled
@@ -1287,7 +1287,7 @@ adafruit_hallowing_m4.build.vid=0x239A
 adafruit_hallowing_m4.build.pid=0x8049
 adafruit_hallowing_m4.bootloader.tool=openocd
 adafruit_hallowing_m4.bootloader.file=featherM4/bootloader-feather_m4-v2.0.0-adafruit.5.bin
-adafruit_hallowing_m4.compiler.arm.cmsis.ldflags="-L{build.variant.path}" -larm_cortexM4lf_math -mfloat-abi=hard -mfpu=fpv4-sp-d16
+adafruit_hallowing_m4.compiler.arm.cmsis.ldflags="-L{runtime.tools.CMSIS-5.4.0.path}/CMSIS/Lib/GCC/" "-L{build.variant.path}" -larm_cortexM4lf_math -mfloat-abi=hard -mfpu=fpv4-sp-d16
 adafruit_hallowing_m4.menu.cache.on=Enabled
 adafruit_hallowing_m4.menu.cache.on.build.cache_flags=-DENABLE_CACHE
 adafruit_hallowing_m4.menu.cache.off=Disabled

bootloaders/mzero/Bootloader_D21/src/ASF/sam0/utils/cmsis/samd21/include/samd21e15a.h

@@ -218,7 +218,11 @@ void I2S_Handler                 ( void );
  * \brief Configuration of the Cortex-M0+ Processor and Core Peripherals
  */
 
-#define LITTLE_ENDIAN          1        
+#if defined(LITTLE_ENDIAN) && (LITTLE_ENDIAN != 1)
+  #error "Little Endian is already defined, but to different value than expected?!"
+#else
+  #define LITTLE_ENDIAN          1
+#endif
 #define __CM0PLUS_REV          1         /*!< Core revision r0p1 */
 #define __MPU_PRESENT          0         /*!< MPU present or not */
 #define __NVIC_PRIO_BITS       2         /*!< Number of bits used for Priority Levels */

bootloaders/mzero/Bootloader_D21/src/ASF/sam0/utils/cmsis/samd21/include/samd21e16a.h

@@ -218,7 +218,11 @@ void I2S_Handler                 ( void );
  * \brief Configuration of the Cortex-M0+ Processor and Core Peripherals
  */
 
-#define LITTLE_ENDIAN          1        
+#if defined(LITTLE_ENDIAN) && (LITTLE_ENDIAN != 1)
+  #error "Little Endian is already defined, but to different value than expected?!"
+#else
+  #define LITTLE_ENDIAN          1
+#endif
 #define __CM0PLUS_REV          1         /*!< Core revision r0p1 */
 #define __MPU_PRESENT          0         /*!< MPU present or not */
 #define __NVIC_PRIO_BITS       2         /*!< Number of bits used for Priority Levels */

bootloaders/mzero/Bootloader_D21/src/ASF/sam0/utils/cmsis/samd21/include/samd21e17a.h

@@ -218,7 +218,11 @@ void I2S_Handler                 ( void );
  * \brief Configuration of the Cortex-M0+ Processor and Core Peripherals
  */
 
-#define LITTLE_ENDIAN          1        
+#if defined(LITTLE_ENDIAN) && (LITTLE_ENDIAN != 1)
+  #error "Little Endian is already defined, but to different value than expected?!"
+#else
+  #define LITTLE_ENDIAN          1
+#endif
 #define __CM0PLUS_REV          1         /*!< Core revision r0p1 */
 #define __MPU_PRESENT          0         /*!< MPU present or not */
 #define __NVIC_PRIO_BITS       2         /*!< Number of bits used for Priority Levels */

bootloaders/mzero/Bootloader_D21/src/ASF/sam0/utils/cmsis/samd21/include/samd21e18a.h

@@ -218,7 +218,11 @@ void I2S_Handler                 ( void );
  * \brief Configuration of the Cortex-M0+ Processor and Core Peripherals
  */
 
-#define LITTLE_ENDIAN          1        
+#if defined(LITTLE_ENDIAN) && (LITTLE_ENDIAN != 1)
+  #error "Little Endian is already defined, but to different value than expected?!"
+#else
+  #define LITTLE_ENDIAN          1
+#endif
 #define __CM0PLUS_REV          1         /*!< Core revision r0p1 */
 #define __MPU_PRESENT          0         /*!< MPU present or not */
 #define __NVIC_PRIO_BITS       2         /*!< Number of bits used for Priority Levels */

bootloaders/mzero/Bootloader_D21/src/ASF/sam0/utils/cmsis/samd21/include/samd21g15a.h

@@ -222,7 +222,11 @@ void I2S_Handler                 ( void );
  * \brief Configuration of the Cortex-M0+ Processor and Core Peripherals
  */
 
-#define LITTLE_ENDIAN          1        
+#if defined(LITTLE_ENDIAN) && (LITTLE_ENDIAN != 1)
+  #error "Little Endian is already defined, but to different value than expected?!"
+#else
+  #define LITTLE_ENDIAN          1
+#endif
 #define __CM0PLUS_REV          1         /*!< Core revision r0p1 */
 #define __MPU_PRESENT          0         /*!< MPU present or not */
 #define __NVIC_PRIO_BITS       2         /*!< Number of bits used for Priority Levels */

bootloaders/mzero/Bootloader_D21/src/ASF/sam0/utils/cmsis/samd21/include/samd21g16a.h

@@ -222,7 +222,11 @@ void I2S_Handler                 ( void );
  * \brief Configuration of the Cortex-M0+ Processor and Core Peripherals
  */
 
-#define LITTLE_ENDIAN          1        
+#if defined(LITTLE_ENDIAN) && (LITTLE_ENDIAN != 1)
+  #error "Little Endian is already defined, but to different value than expected?!"
+#else
+  #define LITTLE_ENDIAN          1
+#endif
 #define __CM0PLUS_REV          1         /*!< Core revision r0p1 */
 #define __MPU_PRESENT          0         /*!< MPU present or not */
 #define __NVIC_PRIO_BITS       2         /*!< Number of bits used for Priority Levels */

bootloaders/mzero/Bootloader_D21/src/ASF/sam0/utils/cmsis/samd21/include/samd21g17a.h

@@ -222,7 +222,11 @@ void I2S_Handler                 ( void );
  * \brief Configuration of the Cortex-M0+ Processor and Core Peripherals
  */
 
-#define LITTLE_ENDIAN          1        
+#if defined(LITTLE_ENDIAN) && (LITTLE_ENDIAN != 1)
+  #error "Little Endian is already defined, but to different value than expected?!"
+#else
+  #define LITTLE_ENDIAN          1
+#endif
 #define __CM0PLUS_REV          1         /*!< Core revision r0p1 */
 #define __MPU_PRESENT          0         /*!< MPU present or not */
 #define __NVIC_PRIO_BITS       2         /*!< Number of bits used for Priority Levels */