stm32上，实现MP3播放以及SD卡读写-Play MP3 and read and write SD card in STM32

芯达开发板SD卡测试程序，可以了解一下FAT文件管理，希望对大家有帮助。-Core of the development board SD card test program, you can look FAT file management, we want to help.

STM32-SDCard-SDIO-FATFS-V2 stm32读写SD卡，很实用，本用也在使用。-STM32-SDCard-SDIO-FATFS-V2 stm32 SD card reader, very practical, the use also in use.

STM32F4xx has internal SDIO peripheral to work with SD cards. Also, SDIO communication is faster than SPI, but if you don’t need speed in your project, you can use SPI aswell. With default settings, SDIO 4-bit mode communication is used. It means, th