这也需要过来开贴？
其实就一个错，没找到stm32f407xx.h，还有别的错误嘛？

不好意思，这一部分错误是因为我在替换文件的中间过程，下面是将mdk5.23 ARM Compiler编译器更改到v6.6之后的程序错误（由于我要移植C++的代码，必须使用C++111），大量提示CMSIS中的驱动出错.
6 errors generated.
compiling stm32f4xx_can.c...
../Libraries/STM32F4xx_StdPeriph_Driver/src/stm32f4xx_flash.c(72): warning: In file included from...
../Libraries/STM32F4xx_StdPeriph_Driver/incstm32f4xx_flash.h(38): warning: In file included from...
../Libraries/CMSIS/Device/ST/STM32F4xx/Includestm32f4xx.h(462): warning: In file included from...
../Libraries/CMSIS/Includecore_cm4.h(1435): error: unknown type name '__STATIC_INLINE'
__STATIC_INLINE void NVIC_SetPriorityGrouping(uint32_t PriorityGroup)
^
../Libraries/CMSIS/Includecore_cm4.h(1435): error: expected identifier or '('
__STATIC_INLINE void NVIC_SetPriorityGrouping(uint32_t PriorityGroup)
                ^
../Libraries/CMSIS/Includecore_cm4.h(1455): error: unknown type name '__STATIC_INLINE'
__STATIC_INLINE uint32_t NVIC_GetPriorityGrouping(void)
^
../Libraries/CMSIS/Includecore_cm4.h(1455): error: expected ';' after top level declarator
__STATIC_INLINE uint32_t NVIC_GetPriorityGrouping(void)
                        ^
                        ;
../Libraries/CMSIS/Includecore_cm4.h(1717): error: unknown type name '__STATIC_INLINE'
__STATIC_INLINE uint32_t ITM_SendChar (uint32_t ch)
^
../Libraries/CMSIS/Includecore_cm4.h(1717): error: expected ';' after top level declarator
__STATIC_INLINE uint32_t ITM_SendChar (uint32_t ch)
                        ^
                        ;
6 errors generated.
compiling stm32f4xx_flash.c...
../Libraries/STM32F4xx_StdPeriph_Driver/src/stm32f4xx_iwdg.c(85): warning: In file included from...
../Libraries/STM32F4xx_StdPeriph_Driver/incstm32f4xx_iwdg.h(38): warning: In file included from...
../Libraries/CMSIS/Device/ST/STM32F4xx/Includestm32f4xx.h(462): warning: In file included from...
../Libraries/CMSIS/Includecore_cm4.h(1435): error: unknown type name '__STATIC_INLINE'
__STATIC_INLINE void NVIC_SetPriorityGrouping(uint32_t PriorityGroup)
^
../Libraries/CMSIS/Includecore_cm4.h(1435): error: expected identifier or '('
__STATIC_INLINE void NVIC_SetPriorityGrouping(uint32_t PriorityGroup)
                ^
../Libraries/CMSIS/Includecore_cm4.h(1455): error: unknown type name '__STATIC_INLINE'
__STATIC_INLINE uint32_t NVIC_GetPriorityGrouping(void)
^
../Libraries/CMSIS/Includecore_cm4.h(1455): error: expected ';' after top level declarator
__STATIC_INLINE uint32_t NVIC_GetPriorityGrouping(void)
                        ^
                        ;
../Libraries/CMSIS/Includecore_cm4.h(1717): error: unknown type name '__STATIC_INLINE'
__STATIC_INLINE uint32_t ITM_SendChar (uint32_t ch)
^
../Libraries/CMSIS/Includecore_cm4.h(1717): error: expected ';' after top level declarator
__STATIC_INLINE uint32_t ITM_SendChar (uint32_t ch)
                        ^
                        ;
6 errors generated.
compiling stm32f4xx_iwdg.c...
../Libraries/STM32F4xx_StdPeriph_Driver/src/stm32f4xx_tim.c(119): warning: In file included from...
../Libraries/STM32F4xx_StdPeriph_Driver/incstm32f4xx_tim.h(38): warning: In file included from...
../Libraries/CMSIS/Device/ST/STM32F4xx/Includestm32f4xx.h(462): warning: In file included from...
../Libraries/CMSIS/Includecore_cm4.h(1435): error: unknown type name '__STATIC_INLINE'
__STATIC_INLINE void NVIC_SetPriorityGrouping(uint32_t PriorityGroup)
^
../Libraries/CMSIS/Includecore_cm4.h(1435): error: expected identifier or '('
__STATIC_INLINE void NVIC_SetPriorityGrouping(uint32_t PriorityGroup)
                ^
../Libraries/CMSIS/Includecore_cm4.h(1455): error: unknown type name '__STATIC_INLINE'
__STATIC_INLINE uint32_t NVIC_GetPriorityGrouping(void)
^
../Libraries/CMSIS/Includecore_cm4.h(1455): error: expected ';' after top level declarator
__STATIC_INLINE uint32_t NVIC_GetPriorityGrouping(void)
                        ^
                        ;
../Libraries/CMSIS/Includecore_cm4.h(1717): error: unknown type name '__STATIC_INLINE'
__STATIC_INLINE uint32_t ITM_SendChar (uint32_t ch)
^
../Libraries/STM32F4xx_StdPeriph_Driver/src/stm32f4xx_tim.c(1027): warning: implicit conversion loses integer precision: 'int' to 'uint16_t' (aka 'unsigned short') [-Wconversion]
  tmp1 = CCER_CCE_SET << (uint16_t)TIM_Channel;
       ~ ~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~
../Libraries/STM32F4xx_StdPeriph_Driver/src/stm32f4xx_tim.c(1795): warning: implicit conversion loses integer precision: 'int' to 'uint16_t' (aka 'unsigned short') [-Wconversion]
  tmp = CCER_CCE_SET << TIM_Channel;
      ~ ~~~~~~~~~~~~~^~~~~~~~~~~~~~
../Libraries/STM32F4xx_StdPeriph_Driver/src/stm32f4xx_tim.c(1825): warning: implicit conversion loses integer precision: 'int' to 'uint16_t' (aka 'unsigned short') [-Wconversion]
  tmp = CCER_CCNE_SET << TIM_Channel;
      ~ ~~~~~~~~~~~~~~^~~~~~~~~~~~~~
../Libraries/STM32F4xx_StdPeriph_Driver/src/stm32f4xx_tim.c(2236): warning: implicit conversion loses integer precision: 'unsigned int' to 'uint16_t' (aka 'unsigned short') [-Wconversion]
             TIM_BDTRInitStruct->TIM_Break | TIM_BDTRInitStruct->TIM_BreakPolarity |
             ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^
4 warnings and 6 errors generated.
compiling stm32f4xx_tim.c...
../User/SYSTEM/stm32f4xx_assert.c(1): warning: non-portable path to file '"MAIN.h"'; specified path differs in case from file name on disk [-Wnonportable-include-path]
#include "main.h"      
         ^~~~~~~~
         "MAIN.h"
                ^
../Libraries/CMSIS/Includecore_cm4.h(1455): error: unknown type name '__STATIC_INLINE'
__STATIC_INLINE uint32_t NVIC_GetPriorityGrouping(void)
^
../Libraries/CMSIS/Includecore_cm4.h(1455): error: expected ';' after top level declarator
__STATIC_INLINE uint32_t NVIC_GetPriorityGrouping(void)
                        ^
                        ;
../Libraries/CMSIS/Includecore_cm4.h(1717): error: unknown type name '__STATIC_INLINE'
__STATIC_INLINE uint32_t ITM_SendChar (uint32_t ch)
^
../Libraries/CMSIS/Includecore_cm4.h(1717): error: expected ';' after top level declarator
__STATIC_INLINE uint32_t ITM_SendChar (uint32_t ch)
                        ^
                        ;
../User/SYSTEM/stm32f4xx_assert.c(1): warning: In file included from...
../Usermain.h(13): warning: non-portable path to file '"NVIC.h"'; specified path differs in case from file name on disk [-Wnonportable-include-path]
#include "NVIC.H"
         ^~~~~~~~
         "NVIC.h"
../Usermain.h(14): warning: non-portable path to file '"CAN.h"'; specified path differs in case from file name on disk [-Wnonportable-include-path]
#include "CAN.H"
         ^~~~~~~
         "CAN.h"
../Usermain.h(15): warning: non-portable path to file '"LED.h"'; specified path differs in case from file name on disk [-Wnonportable-include-path]
#include "LED.H"
         ^~~~~~~
         "LED.h"
../User/SYSTEM/stm32f4xx_assert.c(1): warning: In file included from...
../Usermain.h(15): warning: In file included from...
../User/LED.H(4): warning: In file included from...
../User/AgreedTerms.h(15): warning: redefinition of typedef 'u8' is a C11 feature [-Wtypedef-redefinition]
typedef unsigned char u8;
                      ^
../Libraries/CMSIS/Device/ST/STM32F4xx/Includestm32f4xx.h(488): note: previous definition is here
typedef uint8_t  u8;
                 ^
../User/SYSTEM/stm32f4xx_assert.c(1): warning: In file included from...
../Usermain.h(15): warning: In file included from...
../User/LED.H(4): warning: In file included from...
../User/AgreedTerms.h(25): warning: redefinition of typedef 'u16' is a C11 feature [-Wtypedef-redefinition]
typedef unsigned short int u16;
                           ^
../Libraries/CMSIS/Device/ST/STM32F4xx/Includestm32f4xx.h(487): note: previous definition is here
typedef uint16_t u16;
                 ^
../User/SYSTEM/stm32f4xx_assert.c(1): warning: In file included from...
../Usermain.h(15): warning: In file included from...
../User/LED.H(4): warning: In file included from...
../User/AgreedTerms.h(32): warning: redefinition of typedef 'u32' is a C11 feature [-Wtypedef-redefinition]
typedef unsigned int u32;
                     ^
../Libraries/CMSIS/Device/ST/STM32F4xx/Includestm32f4xx.h(486): note: previous definition is here
typedef uint32_t  u32;
                  ^
7 warnings and 6 errors generated.
compiling stm32f4xx_assert.c...
../User/SYSTEM/sys.c(1): warning: In file included from...
../User/SYSTEM/sys.h(3): warning: In file included from...
../Libraries/CMSIS/Device/ST/STM32F4xx/Includestm32f4xx.h(462): warning: In file included from...
../Libraries/CMSIS/Includecore_cm4.h(1435): error: unknown type name '__STATIC_INLINE'
__STATIC_INLINE void NVIC_SetPriorityGrouping(uint32_t PriorityGroup)
^
../Libraries/CMSIS/Includecore_cm4.h(1435): error: expected identifier or '('
__STATIC_INLINE void NVIC_SetPriorityGrouping(uint32_t PriorityGroup)
                ^
../Libraries/CMSIS/Includecore_cm4.h:1455:1: ../User/SYSTEM/sys.c:22:7: error: expected '(' after 'asm'
__asm void WFI_SET(void)
      ^
../User/SYSTEM/sys.c(22): error: expected ';' after top-level asm block
__asm void WFI_SET(void)
     ^
     ;
../User/SYSTEM/sys.c(24): error: use of undeclared identifier 'WFI'
        WFI;              
        ^
../User/SYSTEM/sys.c(27): error: expected '(' after 'asm'
__asm void INTX_DISABLE(void)
      ^
../User/SYSTEM/sys.c(27): error: expected ';' after top-level asm block
__asm void INTX_DISABLE(void)
     ^
     ;
../User/SYSTEM/sys.c(29): error: use of undeclared identifier 'CPSID'
        CPSID   I
        ^
../User/SYSTEM/sys.c(33): error: expected '(' after 'asm'
__asm void INTX_ENABLE(void)
      ^
../User/SYSTEM/sys.c(33): error: expected ';' after top-level asm block
__asm void INTX_ENABLE(void)
     ^
     ;
../User/SYSTEM/sys.c(35): error: use of undeclared identifier 'CPSIE'
        CPSIE   I
        ^
../User/SYSTEM/sys.c(40): error: expected '(' after 'asm'
__asm void MSR_MSP(u32 addr)
      ^
../User/SYSTEM/sys.c(40): error: expected ';' after top-level asm block
__asm void MSR_MSP(u32 addr)
     ^
     ;
../User/SYSTEM/sys.c(42): error: use of undeclared identifier 'MSR'
        MSR MSP, r0                     //set Main Stack value
        ^
../User/SYSTEM/sys.c(40): warning: unused parameter 'addr' [-Wunused-parameter]
__asm void MSR_MSP(u32 addr)
                       ^
1 warning and 18 errors generated.
compiling sys.c...
../User/SYSTEM/system_stm32f4xx.c(262): warning: In file included from...
In file included from ../Libraries/CMSIS/Device/ST/STM32F4xx/Includestm32f4xx.h:../User/SYSTEM/system_stm32f4xx.c:371:12: warning: no previous extern declaration for non-static variable 'SystemCoreClock' [-Wmissing-variable-declarations]
  uint32_t SystemCoreClock = 168000000;
           ^
../User/SYSTEM/system_stm32f4xx.c(386): warning: no previous extern declaration for non-static variable 'AHBPrescTable' [-Wmissing-variable-declarations]
__I uint8_t AHBPrescTable[16] = {0, 0, 0, 0, 0, 0, 0, 0, 1, 2, 3, 4, 6, 7, 8, 9};
            ^
../User/SYSTEM/system_stm32f4xx.c(420): warning: '__FPU_USED' is not defined, evaluates to 0 [-Wundef]
  #if (__FPU_PRESENT == 1) && (__FPU_USED == 1)
                               ^
../User/SYSTEM/system_stm32f4xx.c(657): warning: while loop has empty body [-Wempty-body]
    while ((RCC->CFGR & (uint32_t)RCC_CFGR_SWS ) != RCC_CFGR_SWS_PLL);
                                                                     ^
../User/SYSTEM/system_stm32f4xx.c(657): note: put the semicolon on a separate line to silence this warning
4 warnings and 6 errors generated.