stm32F103c8 keil移植FreeRTOS时内存不够

最新推荐文章于 2025-03-20 10:15:27 发布

dengqiangjiayou

最新推荐文章于 2025-03-20 10:15:27 发布

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分类专栏：四轴无人机文章标签： freertos

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本文探讨了在STM32F103C8微控制器上移植FreeRTOS时遇到的内存不足问题，通过修改heap大小配置并分享解决方法。后续提到的问题包括任务切换困难和函数调用受限，有待深入探究和优化技巧。

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stm32F103c8 （flash 64k、ram 20k）keil移植FreeRTOS时内存不够

linking...
.\Objects\Template.axf: Error: L6406E: No space in execution regions with .ANY selector matching led.o(.data).
.\Objects\Template.axf: Error: L6406E: No space in execution regions with .ANY selector matching tasks.o(.bss).
.\Objects\Template.axf: Error: L6406E: No space in execution regions with .ANY selector matching imu.o(.bss).
.\Objects\Template.axf: Error: L6406E: No space in execution regions with .ANY selector matching ano_dt.o(.bss).
.\Objects\Template.axf: Error: L6406E: No space in execution regions with .ANY selector matching system.o(.bss).
.\Objects\Template.axf: Error: L6406E: No space in execution regions with .ANY selector matching si24r1.o(.bss).
.\Objects\Template.axf: Error: L6406E: No space in execution regions with .ANY selector matching paramsave.o(.bss).
.\Objects\Template.axf: Error: L6406E: No space in execution regions with .ANY selector matching tasks.o(.data).
.\Objects\Template.axf: Error: L6406E: No space in execution regions with .ANY selector matching mpu6050.o(.data).
.\Objects\Template.axf: Error: L6406E: No space in execution regions with .ANY selector matching control.o(.data).
.\Objects\Template.axf: Error: L6406E: No space in execution regions with .ANY selector matching heap_2.o(.data).
.\Objects\Template.axf: Error: L6406E: No space in execution regions with .ANY selector matching power.o(.data).
.\Objects\Template.axf: Error: L6406E: No space in execution regions with .ANY selector matching stm32f10x_rcc.o(.data).
.\Objects\Template.axf: Error: L6406E: No space in execution regions with .ANY selector matching system_stm32f10x.o(.data).
.\Objects\Template.axf: Error: L6406E: No space in execution regions with .ANY selector matching stm32f10x_it.o(.data).
.\Objects\Template.axf: Error: L6406E: No space in execution regions with .ANY selector matching filter.o(.data).
.\Objects\Template.axf: Error: L6406E: No space in execution regions with .ANY selector matching si24r1.o(.data).
.\Objects\Template.axf: Error: L6406E: No space in execution regions with .ANY selector matching remotedata.o(.data).
.\Objects\Template.axf: Error: L6406E: No space in execution regions with .ANY selector matching ano_dt.o(.data).
.\Objects\Template.axf: Error: L6406E: No space in execution regions with .ANY selector matching main.o(.data).
.\Objects\Template.axf: Error: L6406E: No space in execution regions with .ANY selector matching delay.o(.data).
.\Objects\Template.axf: Error: L6406E: No space in execution regions with .ANY selector matching port.o(.data).
.\Objects\Template.axf: Error: L6406E: No space in execution regions with .ANY selector matching rand.o(.data).
.\Objects\Template.axf: Error: L6406E: No space in execution regions with .ANY selector matching stdout.o(.data).
.\Objects\Template.axf: Error: L6407E: Sections of aggregate size 0x57c bytes could not fit into .ANY selector(s).
Not enough information to list image symbols.
Not enough information to list the image map.
Finished: 2 information, 0 warning and 25 error messages.
".\Objects\Template.axf" - 25 Error(s), 0 Warning(s).
Target not created.

在链接阶段出错，解决办法如下：

修改FreeRTOSConfig.h中的配置：

#define configTOTAL_HEAP_SIZE		( ( size_t ) ( 17 * 1024 ) )

改为：

#define configTOTAL_HEAP_SIZE		( ( size_t ) ( 10 * 1024 ) )

再次编译即可通过

但是之后还会遇到内存过小任务不能切换或者不能调用，或者跳不出vTaskDelay函数，有待解决