单片机MP3原理图+程序.docVIP

//mian.c/////////////////////// #include config.h xdata FILE TmpFile ; void main() { UINT32 lba = 0; UINT16 i; UartInit(); //初始化串口 UartSendStr(**************************************\r\n); UartSendStr(**************************************\r\n); UartSendStr(**************************************\r\n); UartSendStr(*********51MP3播放器演示程序**********\r\n); UartSendStr(**************************************\r\n); UartSendStr(**************************************\r\n); UartSendStr(**************************************\r\n); UartSendStr(**************************************\r\n); UartSendStr(初始化SPI接口\r\n); InitSPI(); //初始化SPI接口 UartSendStr(初始化VS1003\r\n); RstVs1003(); UartSendStr(正弦测试\r\n); //Sintest(); DelayMs(300); UartSendStr(退出正弦测试\r\n); SoftRstVs1003(); UartSendStr(初始化CH375\r\n); InitCH375(); //初始化液晶 LCD_Init(); //显示logo LCD_SET_CURSOR(1,1); Print( mp3 player ,16); LCD_SET_CURSOR(2,1); Print( stuelab ,16); SPI_HIGH_SPEED(); //高速SPI接口 UartSendStr(初始化文件系统\r\n); InitFat (SectorBuf); UartSendStr(统计文件信息\r\n); i = StatFileNum(2, MP3, SectorBuf); sprintf(SectorBuf,根目录下MP3文件个数为%d .\r\n,i); UartSendStr(SectorBuf); i = StatFileNum(2, WMA, SectorBuf); sprintf(SectorBuf,根目录下WMA文件个数为%d .\r\n,i); UartSendStr(SectorBuf); i = StatFileNum(2, , SectorBuf); sprintf(SectorBuf,根目录下文件夹个数为%d .\r\n,i); UartSendStr(SectorBuf); UartSendStr(查找根目录下第一个MP3文件\r\n); SearchFile(2, 1, MP3, SectorBuf, TmpFile); UartSendStr(\r\n开始播放\r\n); //UartSendStr(TmpFile.short_name); lba = ClusToLba(TmpFile.start_clus); while (1) { RdSDblock(lba++,SectorBuf); PlaySector(); } } //spi.c//////// #include config.h sbit SCK = P1^7; sbit SO = P1^5; sbit SI = P1^6; void InitSPI (void) { SCK = 1; SO = 1; SI = 1; SPCR = 0xdc+3; //主机模式，允许中断，时钟常高，4分频 ES = 0; //串口中断允许。SPI和UART共用同一个中断。 EA = 0; //中断总控位 } void SPIsendByte (unsigned char dat)