硬件条件是STM32，CH375，VS1003和NOKIA5110，通过CH375和usb接口实现数据传输，利用STM32 SPI实现mp3播放，并有液晶汉字显示，画点画线的功能-Hardware condition is STM32, CH375, VS1003 and NOKIA5110, CH375 and usb interface through the data transmission, the use of STM32 SPI implementation mp3 player,

vs1003底层驱动函数，使用STM32的SPI接口，包含正玄测试，RAM测试等等。-vs1003 bottom drive function, use the STM32' s SPI interface, including being mysterious test, RAM test and so on.

STM32单片机，SD卡加FATFS文件系统加VS1003，SPI总线控制例程-STM32 MCU, SD card with FATFS file system plus VS1003, SPI bus control routines

基于STM32处理器的SPI接口V1003驱动程序，改端口后可直接使用-Processor-based STM32 SPI Interface V1003 driver, change the port can be used directly after