//打开根目录下的文件并读 void Byte_OPEN_READ_DIR (const char * BUF_Name , uint32_t Addr, uint8_t * bufread , uint32_t offset ) { bus_SPI_mutex_apply(); strcpy( (char *)TarName, BUF_Name ); CH376FileOpen( TarName ); /* 在根目录或者当前目录下打开文件或者目录(文件夹) */ CH376ByteLocate( Addr ); // bufoffset = CH376GetFileSize( ); CH376ByteRead( bufread, offset , NULL );/* 以字节为单位从当前位置读取数据块 */ CH376FileClose( TRUE ); /* 关闭文件,对于字节读写建议自动更新文件长度 */ memset( TarName, 0, 100 ); memset( buf, 0, 100 ); bus_SPI_mutex_release(); }
//打开多级目录下的文件并读 uint8_t Byte_OPEN_READ_PATH (const char * BUF_Name , uint32_t Addr , uint8_t * bufread , uint32_t offset ) { bus_SPI_mutex_apply(); strcpy( (char *)TarName, BUF_Name ); CH376FileOpenPath( TarName );/* 打开多级目录下的文件或者目录(文件夹),支持多级目录路径,支持路径分隔符,路径长度不超过255个字符 */ //bufoffset = CH376GetFileSize( ); CH376ByteLocate( Addr ); s = CH376ByteRead( bufread , offset ,NULL );/* 以字节为单位从当前位置读取数据块 */ CH376FileClose( TRUE ); /* 关闭文件,对于字节读写建议自动更新文件长度 */ memset( TarName, 0, 100 ); memset( buf, 0, 100 ); bus_SPI_mutex_release(); return s; }
void host( ) { UINT8 i, s; UINT8 TotalCount; UINT16 RealCount; P_FAT_DIR_INFO pDir; s = mInitCH376Host( ); /* 初始化CH376 */ mStopIfError( s ); /* 其它电路初始化 */ while ( 1 ) { printf( "Wait Udisk/SD\n" ); while ( CH376DiskConnect( ) != USB_INT_SUCCESS ) { /* 检查U盘是否连接,等待U盘插入,对于SD卡,可以由单片机直接查询SD卡座的插拔状态引脚 */ if ( IsKeyPress( ) ) { /* 有键按下 */ printf( "Exit USB host mode\n" ); return; } mDelaymS( 100 ); /* 没必要频繁查询 */ } LED_UDISK_IN( ); /* LED亮 */ mDelaymS( 200 ); /* 延时,可选操作,有的USB存储器需要几十毫秒的延时 */ /* 对于检测到USB设备的,最多等待100*50mS,主要针对有些MP3太慢,对于检测到USB设备并且连接DISK_MOUNTED的,最多等待5*50mS,主要针对DiskReady不过的 */ for ( i = 0; i < 100; i ++ ) { /* 最长等待时间,100*50mS */ mDelaymS( 50 ); printf( "Ready ?\n" ); s = CH376DiskMount( ); /* 初始化磁盘并测试磁盘是否就绪 */ if ( s == USB_INT_SUCCESS ) break; /* 准备好 */ else if ( s == ERR_DISK_DISCON ) break; /* 检测到断开,重新检测并计时 */ if ( CH376GetDiskStatus( ) >= DEF_DISK_MOUNTED && i >= 5 ) break; /* 有的U盘总是返回未准备好,不过可以忽略,只要其建立连接MOUNTED且尝试5*50mS */ } if ( s == ERR_DISK_DISCON ) { /* 检测到断开,重新检测并计时 */ printf( "Device gone\n" ); continue; } if ( CH376GetDiskStatus( ) < DEF_DISK_MOUNTED ) { /* 未知USB设备,例如USB键盘、打印机等 */ printf( "Unknown device\n" ); goto UnknownUsbDevice; } i = CH376ReadBlock( buf ); /* 如果需要,可以读取数据块CH376_CMD_DATA.DiskMountInq,返回长度 */ if ( i == sizeof( INQUIRY_DATA ) ) { /* U盘的厂商和产品信息 */ buf[ i ] = 0; printf( "UdiskInfo: %s\n", ((P_INQUIRY_DATA)buf) -> VendorIdStr ); } /* 读取原文件 */ printf( "Open\n" ); strcpy( buf, "\\C51\\CH376HFT.C" ); /* 源文件名,多级目录下的文件名和路径名必须复制到RAM中再处理,而根目录或者当前目录下的文件名可以在RAM或者ROM中 */ s = CH376FileOpenPath( buf ); /* 打开文件,该文件在C51子目录下 */ if ( s == ERR_MISS_DIR || s == ERR_MISS_FILE ) { /* 没有找到目录或者没有找到文件 */ /* 列出文件,完整枚举可以参考EXAM13全盘枚举 */ if ( s == ERR_MISS_DIR ) strcpy( buf, "\\*" ); /* C51子目录不存在则列出根目录下的文件 */ else strcpy( buf, "\\C51\\CH376*" ); /* CH376HFT.C文件不存在则列出\C51子目录下的以CH376开头的文件 */ printf( "List file %s\n", buf ); s = CH376FileOpenPath( buf ); /* 枚举多级目录下的文件或者目录,输入缓冲区必须在RAM中 */ while ( s == USB_INT_DISK_READ ) { /* 枚举到匹配的文件 */ CH376ReadBlock( buf ); /* 读取枚举到的文件的FAT_DIR_INFO结构,返回长度总是sizeof( FAT_DIR_INFO ) */ pDir = (P_FAT_DIR_INFO)buf; /* 当前文件目录信息 */ if ( pDir -> DIR_Name[0] != '.' ) { /* 不是本级或者上级目录名则继续,否则必须丢弃不处理 */ if ( pDir -> DIR_Name[0] == 0x05 ) pDir -> DIR_Name[0] = 0xE5; /* 特殊字符替换 */ pDir -> DIR_Attr = 0; /* 强制文件名字符串结束以便打印输出 */ printf( "*** EnumName: %s\n", pDir -> DIR_Name ); /* 打印名称,原始8+3格式,未整理成含小数点分隔符 */ } xWriteCH376Cmd( CMD0H_FILE_ENUM_GO ); /* 继续枚举文件和目录 */ xEndCH376Cmd( ); s = Wait376Interrupt( ); } if ( s != ERR_MISS_FILE ) mStopIfError( s ); /* 操作出错 */ } else { /* 找到文件或者出错 */ mStopIfError( s ); TotalCount = 200; /* 准备读取总长度 */ printf( "从文件中读出的前%d个字符是:\n",(UINT16)TotalCount ); while ( TotalCount ) { /* 如果文件比较大,一次读不完,可以再调用CH376ByteRead继续读取,文件指针自动向后移动 */ if ( TotalCount > sizeof(buf) ) i = sizeof(buf); /* 剩余数据较多,限制单次读写的长度不能超过缓冲区大小 */ else i = TotalCount; /* 最后剩余的字节数 */ s = CH376ByteRead( buf, i, &RealCount ); /* 以字节为单位读取数据块,单次读写的长度不能超过缓冲区大小,第二次调用时接着刚才的向后读 */ mStopIfError( s ); TotalCount -= (UINT8)RealCount; /* 计数,减去当前实际已经读出的字符数 */ for ( s=0; s!=RealCount; s++ ) printf( "%C", buf[s] ); /* 显示读出的字符 */ if ( RealCount < i ) { /* 实际读出的字符数少于要求读出的字符数,说明已经到文件的结尾 */ printf( "\n" ); printf( "文件已经结束\n" ); break; } } printf( "Close\n" ); s = CH376FileClose( FALSE ); /* 关闭文件 */ mStopIfError( s ); } UnknownUsbDevice: printf( "Take out\n" ); while ( CH376DiskConnect( ) == USB_INT_SUCCESS ) { /* 检查U盘是否连接,等待U盘拔出 */ mDelaymS( 100 ); } LED_UDISK_OUT( ); /* LED灭 */ mDelaymS( 100 ); } }
//***************************************************************************** // //! \brief CH376 test execute main body. //! //! \return None. // //***************************************************************************** static void CH376Execute(void) { unsigned char s; UINT16 usDataCnt; unsigned int ulFileSize, ulSetcorCnt; //waiting for USB device get ready for ( s = 0; s < 10; s ++ ) { mDelaymS( 50 ); printf( "Ready ?\n\r" ); // // Initialize disk and check if disk is ready // if ( CH376DiskMount( ) == USB_INT_SUCCESS ) break; } s = CH376ReadBlock( ucReadData ); TestAssert((s == sizeof( INQUIRY_DATA )), "CH376 API \"CH376ReadBlock()\"error!"); if ( s == sizeof( INQUIRY_DATA ) ) { // // get device information // ucReadData[ s ] = 0; printf( "UdiskInfo: %s\n\r", ((P_INQUIRY_DATA)ucReadData)->VendorIdStr); } s = CH376DiskCapacity(&ulSetcorCnt); TestAssert((s == USB_INT_SUCCESS), "CH376 API \"CH376DiskCapacity()\"error!"); printf("Capacity of U-disk: %dMB\n\r", ulSetcorCnt / (1048576 / DEF_SECTOR_SIZE)); s = CH376DiskQuery(&ulSetcorCnt); TestAssert((s == USB_INT_SUCCESS), "CH376 API \"CH376DiskCapacity()\"error!"); printf("Available capacity: %dMB\n\r", ulSetcorCnt / (1048576 / DEF_SECTOR_SIZE)); s = CH376FileOpenPath("/CH376TST/TST.TXT"); if ( s != USB_INT_SUCCESS ) { // // if file path not found, firstly create the folder then create the file // s = CH376DirCreate("/CH376TST"); TestAssert((s == USB_INT_SUCCESS), "CH376 API \"CH376DirCreate()\"error!"); s = CH376FileCreate("TST.TXT"); TestAssert((s == USB_INT_SUCCESS), "CH376 API \"CH376FileCreate()\"error!"); s = CH376ByteWrite(ucWriteData, 35, &usDataCnt); TestAssert((s == USB_INT_SUCCESS), "CH376 API \"CH376ByteWrite()\"error!"); // // After modifying a file, the parameter of CH376FileClose() must be TRUE to update // file size or you will find the file not available when you open the file on computer. // CH376FileClose(TRUE); } else { // // if file found, move file pointer to the end of file, then append data to the file // CH376ByteLocate(0x0); s = CH376ByteWrite(ucWriteData, 35, &usDataCnt); TestAssert((s == USB_INT_SUCCESS), "CH376 API \"CH376ByteWrite()\"error!"); // // enable auto update file size // CH376FileClose(TRUE); } CH376FileOpenPath("/CH376TST/TST.TXT"); ulFileSize = CH376GetFileSize(); CH376ByteRead(ucReadData, 512, &usDataCnt); for(s = 0; s < ulFileSize; s++) { TestAssert((ucReadData[s] == ucWriteData[s]), "CH376 API \"CH376ByteRead()\"error!"); } CH376FileClose(FALSE); printf("\n\r All test over!\n\r"); }
//主程序 void main(void) { uint i = 0; uint timercount = 0; uchar packNO = 1; uint bufferPoint = 0; uint crc; #ifdef UPDATE_USB uchar s; uint j; unsigned long UpdateSize = 0; uint LabCount = 0,lastdatanum = 0; uchar string[50] = {0}; #endif //初始化M128的USART0 UBRR0L = BAUD_L; //Set baud rate UBRR0H = BAUD_H; UCSR0B = ((1<<RXEN0)|(1<<TXEN0)); //接收器与发送器使能; UCSR0C = (1<<USBS0)|(3<<UCSZ00); //设置帧格式: 8 个数据位, 1 个停止位; #ifdef UPDATE_USB //初始化M128的USART1 UBRR1L = 8; UBRR1H = 0; UCSR1B = ((1<<RXEN1)|(1<<TXEN1)); //接收器与发送器使能; UCSR1C = (1<<USBS1)|(3<<UCSZ10); //设置帧格式: 8 个数据位, 1 个停止位; #endif //初始化M128的T/C0,15ms自动重载 OCR0 = 0x75; TCCR0 = 0x0F; TCNT0 = 0; DDRB.0 = 1; PORTB.0 = 1; /* USART_Send_string(a4String1); while(uart_getchar()!='O'); while(uart_getchar()!='K'); USART_Send_string(a4String2); while(uart_getchar()!='O'); while(uart_getchar()!='K'); */ USART_Send_string(startupString);//向PC机发送开始提示信息 while(1) { if(uart_getchar()=='d')break; if(TIFR&0x02) { if(++timercount>500) //若没有进入串口升级模式,则进入U盘升级模式 200*15ms=3s { #ifdef UPDATE_USB sprintf((char*)string,"Enter the USB_Disk Update!\n",UpdateSize); USART_Send_string(string); //++++++++++++++++初始化CH376S++++++++++++++++++++++++ //CH376_PORT_INIT( ); /* 接口硬件初始化 */ xWriteCH376Cmd(CMD11_CHECK_EXIST); /* 测试单片机与CH376之间的通讯接口 */ xWriteCH376Data(0x65); s = xReadCH376Data( ); if (s != 0x9A) uart_putchar(ERR_USB_UNKNOWN); /* 通讯接口不正常,可能原因有:接口连接异常,其它设备影响(片选不唯一),串口波特率,一直在复位,晶振不工作 */ xWriteCH376Cmd(CMD11_SET_USB_MODE); /* 设备USB工作模式 */ xWriteCH376Data(0x06); s = xReadCH376Data( ); if (s != CMD_RET_SUCCESS) { sprintf((char*)string,"USB_Disk is wrong init!\n",UpdateSize); USART_Send_string(string); quit(); } //++++++++++++++++++++++END+++++++++++++++++++++++++++++++++ //检查U盘是否连接好 i = 0; while(CH376DiskConnect() != USB_INT_SUCCESS) { if(++i > 5) { sprintf((char*)string,"USB_Disk is not Connection!\n",UpdateSize); USART_Send_string(string); quit(); } delay_ms(100); } i = 0; // 对于检测到USB设备的,最多等待10*50mS if(CH376DiskMount() != USB_INT_SUCCESS) { if(++i > 5) { sprintf((char*)string,"USB_Disk Test Wrong!\n",UpdateSize); USART_Send_string(string); quit(); } delay_ms(100); } //打开升级文件 s = CH376FileOpen("J8A-1.U");//每台机子,对应升级文件。 if (s == ERR_MISS_FILE) //没有找到升级文件则退出 { CH376FileClose(TRUE); sprintf((char*)string,"I can't fined the Update_File!\n",UpdateSize); USART_Send_string(string); quit(); } UpdateSize = CH376GetFileSize(); sprintf((char*)string,"The Update_File size is :%dl\n",UpdateSize); USART_Send_string(string); LabCount = UpdateSize/SPM_PAGESIZE; lastdatanum = UpdateSize%SPM_PAGESIZE; if(lastdatanum) LabCount++; if(LabCount > (512-32))//mega128的flash页数 { sprintf((char*)string,"The Update_File size is too big!",UpdateSize); USART_Send_string(string); CH376FileClose(FALSE); quit(); } //读取升级文件数据 for(i = 0; i < LabCount; i++) { if(lastdatanum && (i == (LabCount - 1))) { CH376ByteRead(data, lastdatanum, NULL); for(j = lastdatanum; j < SPM_PAGESIZE; j++) data[j] = 0xFF; } else CH376ByteRead(data, SPM_PAGESIZE, NULL); write_one_page(); address = address + SPM_PAGESIZE; //Flash页加1 } //write_one_page(); //收到256字节写入一页Flash中 //address = address + SPM_PAGESIZE; //Flash页加1 //关闭文件 CH376FileClose(FALSE); #endif quit(); } TIFR=TIFR|0x02; } } //每秒向PC机发送一个控制字符"C",等待控制字〈soh〉 while(uart_getchar()!= XMODEM_SOH) //receive the start of Xmodem { if(TIFR & 0x02) //timer0 over flow { if(++timercount > 100) //wait about 1 second { uart_putchar(XMODEM_RECIEVING_WAIT_CHAR); //send a "C" timercount = 0; } TIFR = TIFR&0x02; } } //开始接收数据块 do { if ((packNO == uart_waitchar()) && (packNO ==(~uart_waitchar()))) { //核对数据块编号正确 for(i=0;i<128;i++) //接收128个字节数据 { data[bufferPoint]= uart_waitchar(); bufferPoint++; } crc = (uint)(uart_waitchar())<<8; crc = crc | uart_waitchar(); //接收2个字节的CRC效验字 if(calcrc(&data[bufferPoint-128],128) == crc) //CRC校验验证 { //正确接收128个字节数据 while(bufferPoint >= SPM_PAGESIZE) { //正确接受256个字节的数据 write_one_page(); //收到256字节写入一页Flash中 address = address + SPM_PAGESIZE; //Flash页加1 bufferPoint = 0; } uart_putchar(XMODEM_ACK); //正确收到一个数据块 packNO++; //数据块编号加1 } else { uart_putchar(XMODEM_NAK); //要求重发数据块 } } else { uart_putchar(XMODEM_NAK); //要求重发数据块 } }while(uart_waitchar()!=XMODEM_EOT); //循环接收,直到全部发完 uart_putchar(XMODEM_ACK); //通知PC机全部收到 if(bufferPoint) write_one_page(); //把剩余的数据写入Flash中 quit(); //退出Bootloader程序,从0x0000处执行应用程序 }
//***************************************************************************** // //! \brief VS1003 Example. //! //! \param None. //! //! This function is to give an example of using VS10xx to play audio file. //! we use VS1003 as the decoder. This chip can decode WAV,MP3,WMA,MIDI audio //! files and also can record audio. But we don't give out the record functions //! since it relates much to file manipulation and seldom used. If you need this //! function, please refer to VS10xx datasheet on VLSI's official page. //! //! \return None. // //***************************************************************************** void VS10xxExample(void) { unsigned char i,s; unsigned short usDataCnt, usAudioDecTime = 0; unsigned int ulFileSize = 0, ulFileCursor = 0; AudioFileInfo tFLIF; xSysCtlClockSet(72000000, xSYSCTL_OSC_MAIN | xSYSCTL_XTAL_8MHZ); xSysCtlDelay( 1000000 ); PeriphInit(); VS10xxSineTest(0x24, 5000000); VS10xxSineTest(0x85, 5000000); // // Open MP3 file // s = CH376FileOpen("/01.MP3"); mStopIfError(s); // // Set start volume, balance and Bass Treble Enhancement // VS10xxSetVolume( 77 ); VS10xxSetBalance( 0 ); VS10xxBassTrebleEnhance(0, 12, 0, 10); // // Get file size. (Optional) // ulFileSize = CH376GetFileSize( ); // // Single song loop // while( 1 ) { CH376ByteRead( ucBuff, 512, &usDataCnt ); // // Send audio stream to VS1003 // for(i=0;i<16;i++) { VS10xxWriteData( ucBuff + i*32 ); } ulFileCursor += usDataCnt; if(ulFileCursor == 4096) { // // Get and print file information // VS10xxGetAudioInfo(&tFLIF); printf("\n\rFile type: %d\n\rBit rate: %d kbps\n\rSample rate: %dHz", tFLIF.eFileType, tFLIF.usBitRate, tFLIF.ucSampleRate); printf("\n\rMP3 ID: %d\n\rMP3 layer: %d\n\rOther information: %x\n\r", tFLIF.ucMp3ID, tFLIF.ucMp3Layer, tFLIF.ucOtherInfo); } if((ulFileCursor % 10240) == 0) { // // Get and print decode time // usAudioDecTime = VS10xxGetDecodeTime(); printf("\rplayed time: %2d:%2ds", usAudioDecTime/60, usAudioDecTime%60); } // // If file come to the end. // if( usDataCnt==0 ) { ulFileCursor=0; // // Move file pointer to the beginning of the file // CH376ByteLocate( 0 ); // // Reset decode time // VS10xxResetDecodeTime(); } // // Key scan // switch(JoystickKeyRead()) { case JOYSTICK_KEY_SELECT: ucKeySelFlag = !ucKeySelFlag; if(ucKeySelFlag) xGPIOSPinWrite( LED_PIN, 1 ); else xGPIOSPinWrite( LED_PIN, 0 ); break; case JOYSTICK_KEY_UP: if(!ucKeySelFlag) { // // Volume increase // if(sucVolLevel<9) sucVolLevel++; VS10xxSetVolume(ucVolumeLevel[sucVolLevel]); } else { // // Treble increase // if(ssTrebleA < 7) ssTrebleA++; VS10xxBassTrebleEnhance(ssTrebleA, 12, ssBassA, 10); } break; case JOYSTICK_KEY_DOWN: if(!ucKeySelFlag) { // // Volume decrease // if(sucVolLevel!=0) sucVolLevel--; VS10xxSetVolume(ucVolumeLevel[sucVolLevel]); } else { // // Treble decrease // if(ssTrebleA > -8) ssTrebleA--; VS10xxBassTrebleEnhance(ssTrebleA, 12, ssBassA, 10); } break; case JOYSTICK_KEY_LEFT: if(!ucKeySelFlag) { // // Balance decrease // if(ssVolBalance>-254) ssVolBalance--; VS10xxSetBalance(ssVolBalance); } else { // // bass decrease // if(ssBassA>0) ssBassA--; VS10xxBassTrebleEnhance(ssTrebleA, 12, ssBassA, 10); } break; case JOYSTICK_KEY_RIGHT: if(!ucKeySelFlag) { // // balance increase // if(ssVolBalance<254) ssVolBalance++; VS10xxSetBalance(ssVolBalance); } else { // // Bass increase // if(ssBassA<15) ssBassA++; VS10xxBassTrebleEnhance(ssTrebleA, 12, ssBassA, 10); } break; default : break; } } // CH376FileClose(FALSE); }