mp3
Diff: player.cpp
- Revision:
- 0:58524d569dfd
- Child:
- 1:17913cff05a2
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/player.cpp Fri Dec 02 19:37:00 2016 +0000 @@ -0,0 +1,201 @@ +#include "player.h" +#include"SDFileSystem.h" + +SDFileSystem sd(D11, D12, D13, D9, "sd"); // the pinout on the mbed Cool +vs10xx vs1053(D11, D12, D13, D6, D7, D2, D8);//mosi,miso,sclk,xcs,xdcs,dreq,xreset +Serial pc(USBTX, USBRX); +playerStatetype playerState; +ctrlStatetype ctrlState; +static unsigned char fileBuf[1024]; +unsigned char *bufptr; + +char list[20][14]; //song list +char index = 0; //song play index +char index_MAX; //how many song in all +unsigned char vlume = 0x40; //vlume +unsigned char vlumeflag = 0; //set vlume flag + +void Player::begin(void) +{ + DirHandle *dir; + struct dirent *ptr; + FileHandle *fp; + + vs1053.reset(); + dir = opendir("/sd"); + printf("\r\n**********playing list**********\r\n"); + unsigned char i = 0,j=0; + while(((ptr = dir->readdir()) != NULL)&&(i <20)) + { + if(strstr(ptr->d_name,".mp3")||strstr(ptr->d_name,".MP3")||strstr(ptr->d_name,".WAV")||strstr(ptr->d_name,".wav") + ||strstr(ptr->d_name,".WMA")||strstr(ptr->d_name,".wma")||strstr(ptr->d_name,".OGG")||strstr(ptr->d_name,".ogg") + ||strstr(ptr->d_name,".AAC")||strstr(ptr->d_name,".aac")||strstr(ptr->d_name,".FLAC")||strstr(ptr->d_name,".flac")) + { + fp =sd.open(ptr->d_name, O_RDONLY); + if(fp != NULL) + { + char *byte = ptr->d_name; + j=0; + while(*byte) + { + list[i][j++] = *byte++; + } + pc.printf("%2d . %s\r\n", i,list[i++]); + //fp->close(); + } + } + } + index_MAX = i-1; + dir->closedir(); + printf("\r\n"); +} + +/* This function plays back an audio file. */ +void Player::playFile(char *file) { + int bytes; // How many bytes in buffer left + char n; + + + playerState = PS_PLAY; + + if (strstr(file, ".flac")) + { + printf("Loading FLAC Plugin...\r\n"); + vs1053.loadPlugin(flacPlugin,sizeof(flacPlugin)/sizeof(flacPlugin[0])); + } + + vs1053.setFreq(24000000); //hight speed + + FileHandle *fp =sd.open(file, O_RDONLY); + + if(fp == NULL) { + printf("Could not open %s\r\n",file); + + } + else + { + printf("Playing %s ...\r\n",file); + + /* Main playback loop */ + while((bytes = fp->read(fileBuf,512)) > 0) + { + bufptr = fileBuf; + + // actual audio data gets sent to VS10xx. + while(bytes > 0) + { + n = (bytes < 32)?bytes:32; + vs1053.writeData(bufptr,n); + bytes -= n; + bufptr += n; + } + while(playerState == PS_PAUSE); //Pause + + if(vlumeflag) //set vlume + { + vs1053.setFreq(12000000); //low speed + vs1053.writeRegister(SPI_VOL, vlume*0x101); //Set volume level + vs1053.setFreq(24000000); //higth speed + vlumeflag = 0; //clear flag; + } + + if(playerState != PS_PLAY) //stop + { + fp->close(); + vs1053.softReset(); + return; + } + } + fp->close(); + vs1053.softReset(); + printf("[done!]\r\n"); + } + if(index != index_MAX)index++; + else index = 0; +} + + +/* PCM file Header */ +unsigned char pcmHeader[44] = { + 'R', 'I', 'F', 'F', + 0xFF, 0xFF, 0xFF, 0xFF, + 'W', 'A', 'V', 'E', + 'f', 'm', 't', ' ', + 0x10, 0, 0, 0, /* 16 */ + 0x1, 0, /* PCM */ + 0x1, 0, /* chan */ + 0x40, 0x1F, 0x0, 0x0, /* sampleRate */ + 0x80, 0x3E, 0x0, 0x0, /* byteRate */ + 2, 0, /* blockAlign */ + 0x10, 0, /* bitsPerSample */ + 'd', 'a', 't', 'a', + 0xFF, 0xFF, 0xFF, 0xFF +}; + +void Set32(unsigned char *d, unsigned int n) { + int i; + for (i=0; i<4; i++) { + *d++ = (unsigned char)n; + n >>= 8; + } +} + +/* This function records an audio file in WAV formats.Use LINK1,left channel */ +void Player::recordFile(char *file) { + unsigned int fileSize = 0; + unsigned int n; + + vs1053.writeRegister(SPI_BASS, 0x0055); //set accent + vs1053.writeRegister(SPI_AICTRL0,8000); //samplerate 8k + vs1053.writeRegister(SPI_AICTRL1,0); //record gain + vs1053.writeRegister(SPI_AICTRL2,0); //Set the gain maximum,65536=64X + vs1053.writeRegister(SPI_AICTRL3,7); //PCM Mode ,left channel,earphone mic + //vs1053.writeRegister(SPI_AICTRL3,6); //PCM Mode ,right channel,board mic + vs1053.writeRegister(SPI_CLOCKF,0x2000); //set clock + + printf("loading recording plugin......\r\n"); + vs1053.writeRegister(SPI_MODE,0x1804); //Initialize recording + + vs1053.loadPlugin(recPlugin,sizeof(recPlugin)/sizeof(recPlugin[0])); + sd.remove(file); + FileHandle *fp =sd.open(file, O_WRONLY|O_CREAT); + if(fp == NULL) { + printf("Could not open file for write\r\n"); + } + else + { + printf("recording......\r\n"); + while(playerState == PS_RECORDING) + { + unsigned int i; + unsigned char *rbp = fileBuf; + /* See if there is some data available */ + if ((n = vs1053.readRegister(SPI_HDAT1)) > 0) { + /* Make little-endian conversion for 16-bit PCM .WAV files */ + if(n>511)n=511; + for (i=0; i<n;i++) { + unsigned int w = vs1053.readRegister(SPI_HDAT0); + *rbp++ = (unsigned char)(w & 0xFF); + *rbp++ = (unsigned char)(w >> 8); + } + fp->write(fileBuf,2*n); + fileSize += 2*n; + } + + } + + /* Update file sizes for an RIFF PCM .WAV file */ + fp->lseek(0, SEEK_SET); + Set32(pcmHeader+4, fileSize-8); + Set32(pcmHeader+40, fileSize-36); + fp->write(pcmHeader, sizeof(pcmHeader)); + fp->close(); + + printf("recording end\r\n"); + } + /* Finally, reset the VS10xx software, including realoading the + patches package, to make sure everything is set up properly. */ + vs1053.softReset(); + +} +