# F7_TEST_OTG **Repository Path**: hspcode/F7_TEST_OTG ## Basic Information - **Project Name**: F7_TEST_OTG - **Description**: No description available - **Primary Language**: C - **License**: Not specified - **Default Branch**: master - **Homepage**: None - **GVP Project**: No ## Statistics - **Stars**: 0 - **Forks**: 0 - **Created**: 2020-07-12 - **Last Updated**: 2020-12-19 ## Categories & Tags **Categories**: Uncategorized **Tags**: None ## README 1,实现读卡器功能,用cubemx生成USB DEVICE MMC代码后,在usbd_xxxxx_if.c添加SD卡读写函数,并且修改usbd_conf.h usbd_conf.h修改 #define MSC_MEDIA_PACKET 32768 #define USBD_malloc(x) mymalloc(SRAMIN,x) #define USBD_free(x) myfree(SRAMIN,x) 2,有FATFS文件操作系统,可用来读写内存卡以及spi flash