//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;
}
//以扇区为单位填充
BOOL SecFill( const char * BUF_Name , uint32_t Addr , uint8_t size)
{ // 文件名称 写起始地址 要写的数量
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 */
CH376ByteLocate( Addr );
memset( buf, 0xaa, 100 );
s = CH376ByteWrite( buf, size, NULL ); /* 以字节为单位向当前位置写入数据块 */
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();
if( s == USB_INT_SUCCESS )
return TRUE;
else
if(s == USB_INT_BUF_OVER)
{
beep();
return FALSE;
}
else
return FALSE;
}
//*****************************************************************************
//
//! \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");
}
int main( void )
{
int i;
int j;
UINT8 res;
UINT8 s;
UINT8 NameBuf[20] = {0};
UINT8 CountT = 0;
UINT32 U_D;
PUINT32 pU_D;
pU_D = &U_D;
// Stop watchdog timer to prevent time out reset
WDTCTL = WDTPW + WDTHOLD;
P1DIR_bit.P1DIR0 = 1;
P1OUT_bit.P1OUT0 = 1;
UartInit();
code_start:
CountT ++;
for(i = 0;i<30000;i++);
printk("Code Start !\r\n");
printk("程序开始 !\r\n");
do{
for(i = 0;i<30000;i++);
res = mInitCH376Host();
}while(res != USB_INT_SUCCESS);
printk("USB_INT_SUCCESS !\r\n");
do{
for(i = 0;i<30000;i++);
res = CH376DiskConnect( ); /* 查询U盘是否连接，返回USB_INT_SUCCESS则说明当前已连接 */
}while(res!=USB_INT_SUCCESS);
printk(" Connect SUCCESS\r\n");
do{
for(i = 0;i<30000;i++);
res = CH376DiskMount( ); /* 查询U盘或SD卡是否准备好，有些U盘可能需多次调用才能成功 */
}while(res!=USB_INT_SUCCESS);
printk(" U is OK !\r\n");
s = CH376DiskCapacity(pU_D);
mStopIfError( s );
printk(" U盘大小:");
printHex((unsigned int)U_D);
printHex((unsigned int)(U_D>>16));
printk("\r\n");
s = CH376DiskQuery(pU_D);
mStopIfError( s );
printk(" 剩余大小:");
printHex((unsigned int)U_D);
printHex((unsigned int)(U_D>>16));
printk("\r\n");
strcpy( NameBuf, "\\2012.TXT" ); /* 目标文件名 */
#if 0
printf( "Open\r\n" );
s = CH376FileOpenPath( NameBuf );
mStopIfError( s );
if ( s == ERR_MISS_FILE ){
printf( "Create\r\n" );
s = CH376FileCreatePath( NameBuf ); /* 新建多级目录下的文件,支持多级目录路径,输入缓冲区必须在RAM中 */
mStopIfError( s );
}
printf( "CH376ByteLocate\r\n" );
s = CH376ByteLocate(0xFFFFFFFF);
mStopIfError( s );
printf( "Write\r\n" );
strcpy( buf, "时间 数据 ---\xd\n" );
s = CH376ByteWrite( buf, strlen(buf), NULL ); /* 以字节为单位向当前位置写入数据块 */
mStopIfError( s );
strcpy( buf, "2012-12-01 01 ---\xd\n" );
buf[9] = '0' + CountT;
for(i = 0; i < 100;i ++){
buf[12] = '0' + i/10;
buf[13] = '0' + i%10;
printf( "Write %s" ,buf);
s = CH376ByteWrite( buf, strlen(buf), NULL ); /* 以字节为单位向当前位置写入数据块 */
mStopIfError( s );
}
printf( "Close\r\n" );
s = CH376FileClose( TRUE ); /* 关闭文件,对于字节读写建议自动更新文件长度 */
mStopIfError( s );
#endif
/* 如果MY_ADC.TXT文件已经存在则添加数据到尾部,如果不存在则新建文件 */
printf( "Open\n" );
s = CH376FileOpen( NameBuf ); /* 打开文件,该文件在根目录下 */
if ( s == USB_INT_SUCCESS ) { /* 文件存在并且已经被打开,移动文件指针到尾部以便添加数据 */
printf( "File size = %ld\n", CH376GetFileSize( ) ); /* 读取当前文件长度 */
printf( "Locate tail\n" );
s = CH376ByteLocate( 0xFFFFFFFF ); /* 移到文件的尾部 */
mStopIfError( s );
}
else if ( s == ERR_MISS_FILE ) { /* 没有找到文件,必须新建文件 */
printf( "Create\n" );
s = CH376FileCreate( NULL ); /* 新建文件并打开,如果文件已经存在则先删除后再新建,不必再提供文件名,刚才已经提供给CH376FileOpen */
mStopIfError( s );
}
else mStopIfError( s ); /* 打开文件时出错 */
printf( "Write begin\n" );
s = sprintf( buf, "此前文件长度= %ld 字节\xd\xa", CH376GetFileSize( ) ); /* 注意字符串长度不能溢出buf,否则加大缓冲区或者分多次写入 */
s = CH376ByteWrite( buf, s, NULL ); /* 以字节为单位向文件写入数据 */
mStopIfError( s );
printf( "Write ADC data\n" );
printf( "Current offset ( file point ) is : ");
for(i = 0;i<1000;i++){
s = sprintf( buf, "%02d.%02d.%02d.%d\xd\xa", 2012 + i/365, 1 + (i / 30) % 12, 1 + i % 30, i );
/* 将二制制数据格式为一行字符串 */
s = CH376ByteWrite( buf, s, NULL ); /* 以字节为单位向文件写入数据 */
/* 有些U盘可能会要求在写数据后等待一会才能继续操作,
所以,如果在某些U盘中发生数据丢失现象,
建议在每次写入数据后稍作延时再继续 */
for(j = 0;j<30;j++);
mStopIfError( s );
printf( "\b\b\b\b\b\b" );
printf( "%6ld", CH376ReadVar32( VAR_CURRENT_OFFSET ) );
/* 读取当前文件指针 */
}
printf( "Write end\n" );
strcpy( buf, "今天的ADC数据到此结束\xd\xa" );
s = CH376ByteWrite( buf, strlen( buf ), NULL ); /* 以字节为单位向文件写入数据 */
mStopIfError( s );
/* 如果实际产品中有实时时钟,可以根据需要将文件的日期和时间修改为实际值,参考EXAM10用CH376DirInfoRead/CH376DirInfoSave实现 */
printf( "Close\n" );
s = CH376FileClose( TRUE ); /* 关闭文件,自动计算文件长度,以字节为单位写文件,建议让程序库关闭文件以便自动更新文件长度 */
mStopIfError( s );
do{
for(i = 0;i<30000;i++);
P1OUT_bit.P1OUT0 = 1;
for(i = 0;i<30000;i++);
P1OUT_bit.P1OUT0 = 0;
res = CH376DiskConnect( ); /* 查询U盘是否连接，返回USB_INT_SUCCESS则说明当前已连接 */
}while(res!=ERR_DISK_DISCON);
printk(" ERR_DISK_DISCON\r\n");
goto code_start;
}
//*****************************************************************************
//
//! \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);
}
