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This project forked from dawngdy/f767-m8n-mpu9250-sd-runbuffer-
实验器材: 阿波罗STM32F767开发板 实验目的: 学习FreeRTOS在STM32F767上的移植 目标:实现100hz IMU + 5hz GPS数据保存在SD卡中 方案:原方案使用串口保存由于数据量过大,出现数据保存缺失的现象 数据保存不及时的原因: 解决方法:FatFs频繁打开、关闭文件会占用较多时间,SD卡频繁写入也会占用较多时间,这期间新的IMU数据已经过去了。 使用环形缓存区存储数据,将数据循环保存在缓存区中,在数据保存一定量后,再将数据统一放入SD卡中
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