Finally I got it working properly. Reading SDcard was very awesome for me for first time, so I decided to make a library for STM32F4xx devices and post it to my website. It’s basically just communication interface between STM32F4 and FatFS library by

在STM32103FZET6跑上系统，用SDIO方式与SD卡通信，有FATFS文件系统。-In STM32103ZET6 ran system, using SPI way SD card communication, there FATFS file system.

[I2Saudioplay] stm32f407罪行音频播放例程，好不容易找到的，经测试很好用。 [Audio_playback_and_record] cortexM4内核 stm32f407例程，录音播放wav， [DAC] stm32f407的DAC操作实例，开发工具IAR 6.3，代码可用于MP3播放器开发入门。 [HY32D-CODE] 3.2 ssd1289 stm32f407 application [MPP_55374] mp3源代码的 C语言实现 可以实现随机