已解决 73482 个问题
已帮助 5993 位优秀工程师

KEIL编译STM32代码时出错,该如何修改?

捷波 2018-10-05 浏览量：6697

编译信息如下，该如何修改才能编译通过。

*** Using Compiler 'V5.06 update 6 (build 750)' folder: 'C:\Keil\V5\ARM\ARMCC\Bin'

Build target 'STM32F401 Flash'
compiling Retarget.c...
compiling Serial.c...
compiling blinky.c...
compiling Buttons_NUCLEO_F401RE.c...
compiling LED_NUCLEO_F401RE.c...
assembling startup_stm32f401xe.s...
compiling system_stm32f4xx.c...
RTE\Device\STM32F401RETx\system_stm32f4xx.c(141): error: #147: declaration is incompatible with "const uint8_t AHBPrescTable[16]" (declared at line 76 of "C:\Keil\V5\ARM\PACK\Keil\STM32F4xx_DFP\2.13.0\Drivers\CMSIS\Device\ST\STM32F4xx\Include\system_stm32f4xx.h")
__IO const uint8_t AHBPrescTable[16] = {0 0 0 0 0 0 0 0 1 2 3 4 6 7 8 9};
RTE\Device\STM32F401RETx\system_stm32f4xx.c: 0 warnings 1 error
".\Flash\blinky.axf" - 1 Error(s) 0 Warning(s).
Target not created.

Build Time Elapsed: 00:00:44

相应代码如下：

system_stm32f4xx.c

141 __IO const uint8_t AHBPrescTable[16] = {0 0 0 0 0 0 0 0 1 2 3 4 6 7 8 9};

system_stm32f4xx.h

76 extern const uint8_t AHBPrescTable[16]; /*!< AHB prescalers table values */
77 extern const uint8_t APBPrescTable[8]; /*!< APB prescalers table values */