USB MSC + SDIO + DMA combination make me crazy. can't solve problem. help needed indeed.
i'm develop some custom encrypted Mass Storage Device using STM32F411i want to use SDIO and DMA when need to process MSC Request, Some of my code, int8_t STORAGE_Write_FS(uint8_t lun, uint8_t *buf, uint32_t blk_addr, uint16_t blk_len) { /* USER CO...