more clang update

examples/build_system/cmake/cpu/cortex-m0.cmake

@@ -4,14 +4,15 @@ if (TOOLCHAIN STREQUAL "gcc")
     -mcpu=cortex-m0plus
     -mfloat-abi=soft
     )
-
   set(FREERTOS_PORT GCC_ARM_CM0 CACHE INTERNAL "")
 
+elseif (TOOLCHAIN STREQUAL "clang")
+  message(FATAL_ERROR "Clang is not supported for this target")
+
 elseif (TOOLCHAIN STREQUAL "iar")
   set(TOOLCHAIN_COMMON_FLAGS
     --cpu cortex-m0
     )
-
   set(FREERTOS_PORT IAR_ARM_CM0 CACHE INTERNAL "")
 
 endif ()

examples/build_system/cmake/cpu/cortex-m0plus.cmake

@@ -4,14 +4,15 @@ if (TOOLCHAIN STREQUAL "gcc")
     -mcpu=cortex-m0plus
     -mfloat-abi=soft
     )
-
   set(FREERTOS_PORT GCC_ARM_CM0 CACHE INTERNAL "")
 
+elseif (TOOLCHAIN STREQUAL "clang")
+  message(FATAL_ERROR "Clang is not supported for this target")
+
 elseif (TOOLCHAIN STREQUAL "iar")
   set(TOOLCHAIN_COMMON_FLAGS
     --cpu cortex-m0
     )
-
   set(FREERTOS_PORT IAR_ARM_CM0 CACHE INTERNAL "")
 
 endif ()

examples/build_system/cmake/cpu/cortex-m23.cmake

@@ -4,14 +4,15 @@ if (TOOLCHAIN STREQUAL "gcc")
     -mcpu=cortex-m23
     -mfloat-abi=soft
     )
-
   set(FREERTOS_PORT GCC_ARM_CM23_NTZ_NONSECURE CACHE INTERNAL "")
 
+elseif (TOOLCHAIN STREQUAL "clang")
+  message(FATAL_ERROR "Clang is not supported for this target")
+
 elseif (TOOLCHAIN STREQUAL "iar")
   set(TOOLCHAIN_COMMON_FLAGS
     --cpu cortex-m23
     )
-
   set(FREERTOS_PORT IAR_ARM_CM23_NTZ_NONSECURE CACHE INTERNAL "")
 
 endif ()

examples/build_system/cmake/cpu/cortex-m3.cmake

@@ -3,14 +3,15 @@ if (TOOLCHAIN STREQUAL "gcc")
     -mthumb
     -mcpu=cortex-m3
     )
-
   set(FREERTOS_PORT GCC_ARM_CM3 CACHE INTERNAL "")
 
+elseif (TOOLCHAIN STREQUAL "clang")
+  message(FATAL_ERROR "Clang is not supported for this target")
+
 elseif (TOOLCHAIN STREQUAL "iar")
   set(TOOLCHAIN_COMMON_FLAGS
     --cpu cortex-m3
     )
-
   set(FREERTOS_PORT IAR_ARM_CM3 CACHE INTERNAL "")
 
 endif ()

examples/build_system/cmake/cpu/cortex-m33-nodsp-nofp.cmake

@@ -4,14 +4,15 @@ if (TOOLCHAIN STREQUAL "gcc")
     -mcpu=cortex-m33+nodsp
     -mfloat-abi=soft
     )
-
   set(FREERTOS_PORT GCC_ARM_CM33_NTZ_NONSECURE CACHE INTERNAL "")
 
+elseif (TOOLCHAIN STREQUAL "clang")
+  message(FATAL_ERROR "Clang is not supported for this target")
+
 elseif (TOOLCHAIN STREQUAL "iar")
   set(TOOLCHAIN_COMMON_FLAGS
     --cpu cortex-m33+nodsp
     )
-
   set(FREERTOS_PORT IAR_ARM_CM33_NTZ_NONSECURE CACHE INTERNAL "")
 
 endif ()

examples/build_system/cmake/cpu/cortex-m33.cmake

@@ -5,15 +5,16 @@ if (TOOLCHAIN STREQUAL "gcc")
     -mfloat-abi=hard
     -mfpu=fpv5-sp-d16
     )
-
   set(FREERTOS_PORT GCC_ARM_CM33_NTZ_NONSECURE CACHE INTERNAL "")
 
+elseif (TOOLCHAIN STREQUAL "clang")
+  message(FATAL_ERROR "Clang is not supported for this target")
+
 elseif (TOOLCHAIN STREQUAL "iar")
   set(TOOLCHAIN_COMMON_FLAGS
     --cpu cortex-m33
     --fpu VFPv5-SP
     )
-
   set(FREERTOS_PORT IAR_ARM_CM33_NTZ_NONSECURE CACHE INTERNAL "")
 
 endif ()

examples/build_system/cmake/cpu/cortex-m4.cmake

@@ -5,7 +5,16 @@ if (TOOLCHAIN STREQUAL "gcc")
     -mfloat-abi=hard
     -mfpu=fpv4-sp-d16
     )
+  if (NOT DEFINED FREERTOS_PORT)
+    set(FREERTOS_PORT GCC_ARM_CM4F CACHE INTERNAL "")
+  endif ()
 
+elseif (TOOLCHAIN STREQUAL "clang")
+  set(TOOLCHAIN_COMMON_FLAGS
+    --target=arm-none-eabi
+    -mcpu=cortex-m4
+    -mfpu=fpv4-sp-d16
+    )
   if (NOT DEFINED FREERTOS_PORT)
     set(FREERTOS_PORT GCC_ARM_CM4F CACHE INTERNAL "")
   endif ()

examples/build_system/cmake/cpu/cortex-m7.cmake

@@ -7,6 +7,14 @@ if (TOOLCHAIN STREQUAL "gcc")
     )
   set(FREERTOS_PORT GCC_ARM_CM7 CACHE INTERNAL "")
 
+elseif (TOOLCHAIN STREQUAL "clang")
+  set(TOOLCHAIN_COMMON_FLAGS
+    --target=arm-none-eabi
+    -mcpu=cortex-m7
+    -mfpu=fpv5-d16
+    )
+  set(FREERTOS_PORT GCC_ARM_CM7 CACHE INTERNAL "")
+
 elseif (TOOLCHAIN STREQUAL "iar")
   set(TOOLCHAIN_COMMON_FLAGS
     --cpu cortex-m7
@@ -14,12 +22,4 @@ elseif (TOOLCHAIN STREQUAL "iar")
     )
   set(FREERTOS_PORT IAR_ARM_CM7 CACHE INTERNAL "")
 
-elseif (TOOLCHAIN STREQUAL "clang")
-  set(TOOLCHAIN_COMMON_FLAGS
-    --target=arm-none-eabi
-    -mcpu=cortex-m7
-    -mfpu=fpv5-d16
-    )
-  set(FREERTOS_PORT GCC_ARM_CM7 CACHE INTERNAL "")
-
 endif ()

examples/build_system/cmake/cpu/msp430.cmake

@@ -1,6 +1,9 @@
 if (TOOLCHAIN STREQUAL "gcc")
   set(FREERTOS_PORT GCC_MSP430F449 CACHE INTERNAL "")
 
+elseif (TOOLCHAIN STREQUAL "clang")
+  message(FATAL_ERROR "Clang is not supported for this target")
+
 elseif (TOOLCHAIN STREQUAL "iar")
   set(FREERTOS_PORT IAR_MSP430 CACHE INTERNAL "")
 

examples/device/cdc_msc/src/main.c

@@ -23,10 +23,6 @@
  *
  */
 
-#include <stdlib.h>
-#include <stdio.h>
-#include <string.h>
-
 #include "bsp/board_api.h"
 #include "tusb.h"