//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);
}
