嵌入式常见报错处理方式

原创已于 2023-11-10 21:40:34 修改 · 1.2k 阅读

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#单片机 #stm32 #c语言

于 2023-05-16 17:07:10 首次发布

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文章主要讨论了在STM32项目中遇到的两个技术问题：一是由于头文件包含导致的重定义错误，解决方法是在函数前添加静态声明；二是程序在HAL_RCC_OscConfig配置时卡死，解决办法是检查Cubemx设置，确保外部晶振未被错误设置为旁路模式。

1、重定义错误

d:/software_code/embedded/gcc-arm-none-eabi-10-2020-q4-major/bin/../lib/gcc/arm-none-eabi/10.2.1/../../../../arm-none-eabi/bin/ld.exe: CMakeFiles/F4_FreeRTOS_demo.elf.dir/Core/Src/main.c.obj:D:\software_code\Embedded\blushless\F4_FreeRTOS_demo\Peripheral/lcd_font.h:433: multiple definition of `tfont24'; CMakeFiles/F4_FreeRTOS_demo.elf.dir/Core/Src/freertos.c.obj:D:\software_code\Embedded\blushless\F4_FreeRTOS_demo\Peripheral/lcd_font.h:433: first defined here
d:/software_code/embedded/gcc-arm-none-eabi-10-2020-q4-major/bin/../lib/gcc/arm-none-eabi/10.2.1/../../../../arm-none-eabi/bin/ld.exe: CMakeFiles/F4_FreeRTOS_demo.elf.dir/Core/Src/stm32f4xx_hal_msp.c.obj:D:\software_code\Embedded\blushless\F4_FreeRTOS_demo\Peripheral/lcd_font.h:433: multiple definition of `tfont24'; CMakeFiles/F4_FreeRTOS_demo.elf.dir/Core/Src/freertos.c.obj:D:\software_code\Embedded\blushless\F4_FreeRTOS_demo\Peripheral/lcd_font.h:433: first defined here
d:/software_code/embedded/gcc-arm-none-eabi-10-2020-q4-major/bin/../lib/gcc/arm-none-eabi/10.2.1/../../../../arm-none-eabi/bin/ld.exe: CMakeFiles/F4_FreeRTOS_demo.elf.dir/Core/Src/stm32f4xx_it.c.obj:D:\software_code\Embedded\blushless\F4_FreeRTOS_demo\Peripheral/lcd_font.h:433: multiple definition of `tfont24'; CMakeFiles/F4_FreeRTOS_demo.elf.dir/Core/Src/freertos.c.obj:D:\software_code\Embedded\blushless\F4_FreeRTOS_demo\Peripheral/lcd_font.h:433: first defined here
d:/software_code/embedded/gcc-arm-none-eabi-10-2020-q4-major/bin/../lib/gcc/arm-none-eabi/10.2.1/../../../../arm-none-eabi/bin/ld.exe: CMakeFiles/F4_FreeRTOS_demo.elf.dir/Core/Src/usart.c.obj:D:\software_code\Embedded\blushless\F4_FreeRTOS_demo\Peripheral/lcd_font.h:433: multiple definition of `tfont24'; CMakeFiles/F4_FreeRTOS_demo.elf.dir/Core/Src/freertos.c.obj:D:\software_code\Embedded\blushless\F4_FreeRTOS_demo\Peripheral/lcd_font.h:433: first defined here
d:/software_code/embedded/gcc-arm-none-eabi-10-2020-q4-major/bin/../lib/gcc/arm-none-eabi/10.2.1/../../../../arm-none-eabi/bin/ld.

解决方法在函数前面加上静态声明。