zhaojun_xf 发表于 2013-12-30 15:19
最好先就像扇区读写控制,保证这一层代码没有问题的情况下操作文件系统。
SD_Error SD_ReadBlock(uint8_t *readbuff, uint32_t ReadAddr, uint16_t BlockSize);
SD_Error SD_ReadMultiBlocks(uint8_t *readbuff, uint32_t ReadAddr, uint16_t BlockSize, uint32_t NumberOfBlocks);
SD_Error SD_WriteBlock(uint8_t *writebuff, uint32_t WriteAddr, uint16_t BlockSize);
SD_Error SD_WriteMultiBlocks(uint8_t *writebuff, uint32_t WriteAddr, uint16_t BlockSize, uint32_t NumberOfBlocks);是不是先保证这四个函数功能??