Namaskron Chimpalee / VS1053_mp3

mp3

player.cpp@0:58524d569dfd, 2016-12-02 (annotated)

Committer:
cha45689
Date:
Fri Dec 02 19:37:00 2016 +0000
Revision:
0:58524d569dfd
Child:
1:17913cff05a2
ss

Who changed what in which revision?

UserRevisionLine numberNew contents of line
cha45689 0:58524d569dfd 1 #include "player.h"
cha45689 0:58524d569dfd 2 #include"SDFileSystem.h"
cha45689 0:58524d569dfd 3
cha45689 0:58524d569dfd 4 SDFileSystem sd(D11, D12, D13, D9, "sd"); // the pinout on the mbed Cool
cha45689 0:58524d569dfd 5 vs10xx vs1053(D11, D12, D13, D6, D7, D2, D8);//mosi,miso,sclk,xcs,xdcs,dreq,xreset
cha45689 0:58524d569dfd 6 Serial pc(USBTX, USBRX);
cha45689 0:58524d569dfd 7 playerStatetype playerState;
cha45689 0:58524d569dfd 8 ctrlStatetype ctrlState;
cha45689 0:58524d569dfd 9 static unsigned char fileBuf[1024];
cha45689 0:58524d569dfd 10 unsigned char *bufptr;
cha45689 0:58524d569dfd 11
cha45689 0:58524d569dfd 12 char list[20][14]; //song list
cha45689 0:58524d569dfd 13 char index = 0; //song play index
cha45689 0:58524d569dfd 14 char index_MAX; //how many song in all
cha45689 0:58524d569dfd 15 unsigned char vlume = 0x40; //vlume
cha45689 0:58524d569dfd 16 unsigned char vlumeflag = 0; //set vlume flag
cha45689 0:58524d569dfd 17
cha45689 0:58524d569dfd 18 void Player::begin(void)
cha45689 0:58524d569dfd 19 {
cha45689 0:58524d569dfd 20 DirHandle *dir;
cha45689 0:58524d569dfd 21 struct dirent *ptr;
cha45689 0:58524d569dfd 22 FileHandle *fp;
cha45689 0:58524d569dfd 23
cha45689 0:58524d569dfd 24 vs1053.reset();
cha45689 0:58524d569dfd 25 dir = opendir("/sd");
cha45689 0:58524d569dfd 26 printf("\r\n**********playing list**********\r\n");
cha45689 0:58524d569dfd 27 unsigned char i = 0,j=0;
cha45689 0:58524d569dfd 28 while(((ptr = dir->readdir()) != NULL)&&(i <20))
cha45689 0:58524d569dfd 29 {
cha45689 0:58524d569dfd 30 if(strstr(ptr->d_name,".mp3")||strstr(ptr->d_name,".MP3")||strstr(ptr->d_name,".WAV")||strstr(ptr->d_name,".wav")
cha45689 0:58524d569dfd 31 ||strstr(ptr->d_name,".WMA")||strstr(ptr->d_name,".wma")||strstr(ptr->d_name,".OGG")||strstr(ptr->d_name,".ogg")
cha45689 0:58524d569dfd 32 ||strstr(ptr->d_name,".AAC")||strstr(ptr->d_name,".aac")||strstr(ptr->d_name,".FLAC")||strstr(ptr->d_name,".flac"))
cha45689 0:58524d569dfd 33 {
cha45689 0:58524d569dfd 34 fp =sd.open(ptr->d_name, O_RDONLY);
cha45689 0:58524d569dfd 35 if(fp != NULL)
cha45689 0:58524d569dfd 36 {
cha45689 0:58524d569dfd 37 char *byte = ptr->d_name;
cha45689 0:58524d569dfd 38 j=0;
cha45689 0:58524d569dfd 39 while(*byte)
cha45689 0:58524d569dfd 40 {
cha45689 0:58524d569dfd 41 list[i][j++] = *byte++;
cha45689 0:58524d569dfd 42 }
cha45689 0:58524d569dfd 43 pc.printf("%2d . %s\r\n", i,list[i++]);
cha45689 0:58524d569dfd 44 //fp->close();
cha45689 0:58524d569dfd 45 }
cha45689 0:58524d569dfd 46 }
cha45689 0:58524d569dfd 47 }
cha45689 0:58524d569dfd 48 index_MAX = i-1;
cha45689 0:58524d569dfd 49 dir->closedir();
cha45689 0:58524d569dfd 50 printf("\r\n");
cha45689 0:58524d569dfd 51 }
cha45689 0:58524d569dfd 52
cha45689 0:58524d569dfd 53 /* This function plays back an audio file. */
cha45689 0:58524d569dfd 54 void Player::playFile(char *file) {
cha45689 0:58524d569dfd 55 int bytes; // How many bytes in buffer left
cha45689 0:58524d569dfd 56 char n;
cha45689 0:58524d569dfd 57
cha45689 0:58524d569dfd 58
cha45689 0:58524d569dfd 59 playerState = PS_PLAY;
cha45689 0:58524d569dfd 60
cha45689 0:58524d569dfd 61 if (strstr(file, ".flac"))
cha45689 0:58524d569dfd 62 {
cha45689 0:58524d569dfd 63 printf("Loading FLAC Plugin...\r\n");
cha45689 0:58524d569dfd 64 vs1053.loadPlugin(flacPlugin,sizeof(flacPlugin)/sizeof(flacPlugin[0]));
cha45689 0:58524d569dfd 65 }
cha45689 0:58524d569dfd 66
cha45689 0:58524d569dfd 67 vs1053.setFreq(24000000); //hight speed
cha45689 0:58524d569dfd 68
cha45689 0:58524d569dfd 69 FileHandle *fp =sd.open(file, O_RDONLY);
cha45689 0:58524d569dfd 70
cha45689 0:58524d569dfd 71 if(fp == NULL) {
cha45689 0:58524d569dfd 72 printf("Could not open %s\r\n",file);
cha45689 0:58524d569dfd 73
cha45689 0:58524d569dfd 74 }
cha45689 0:58524d569dfd 75 else
cha45689 0:58524d569dfd 76 {
cha45689 0:58524d569dfd 77 printf("Playing %s ...\r\n",file);
cha45689 0:58524d569dfd 78
cha45689 0:58524d569dfd 79 /* Main playback loop */
cha45689 0:58524d569dfd 80 while((bytes = fp->read(fileBuf,512)) > 0)
cha45689 0:58524d569dfd 81 {
cha45689 0:58524d569dfd 82 bufptr = fileBuf;
cha45689 0:58524d569dfd 83
cha45689 0:58524d569dfd 84 // actual audio data gets sent to VS10xx.
cha45689 0:58524d569dfd 85 while(bytes > 0)
cha45689 0:58524d569dfd 86 {
cha45689 0:58524d569dfd 87 n = (bytes < 32)?bytes:32;
cha45689 0:58524d569dfd 88 vs1053.writeData(bufptr,n);
cha45689 0:58524d569dfd 89 bytes -= n;
cha45689 0:58524d569dfd 90 bufptr += n;
cha45689 0:58524d569dfd 91 }
cha45689 0:58524d569dfd 92 while(playerState == PS_PAUSE); //Pause
cha45689 0:58524d569dfd 93
cha45689 0:58524d569dfd 94 if(vlumeflag) //set vlume
cha45689 0:58524d569dfd 95 {
cha45689 0:58524d569dfd 96 vs1053.setFreq(12000000); //low speed
cha45689 0:58524d569dfd 97 vs1053.writeRegister(SPI_VOL, vlume*0x101); //Set volume level
cha45689 0:58524d569dfd 98 vs1053.setFreq(24000000); //higth speed
cha45689 0:58524d569dfd 99 vlumeflag = 0; //clear flag;
cha45689 0:58524d569dfd 100 }
cha45689 0:58524d569dfd 101
cha45689 0:58524d569dfd 102 if(playerState != PS_PLAY) //stop
cha45689 0:58524d569dfd 103 {
cha45689 0:58524d569dfd 104 fp->close();
cha45689 0:58524d569dfd 105 vs1053.softReset();
cha45689 0:58524d569dfd 106 return;
cha45689 0:58524d569dfd 107 }
cha45689 0:58524d569dfd 108 }
cha45689 0:58524d569dfd 109 fp->close();
cha45689 0:58524d569dfd 110 vs1053.softReset();
cha45689 0:58524d569dfd 111 printf("[done!]\r\n");
cha45689 0:58524d569dfd 112 }
cha45689 0:58524d569dfd 113 if(index != index_MAX)index++;
cha45689 0:58524d569dfd 114 else index = 0;
cha45689 0:58524d569dfd 115 }
cha45689 0:58524d569dfd 116
cha45689 0:58524d569dfd 117
cha45689 0:58524d569dfd 118 /* PCM file Header */
cha45689 0:58524d569dfd 119 unsigned char pcmHeader[44] = {
cha45689 0:58524d569dfd 120 'R', 'I', 'F', 'F',
cha45689 0:58524d569dfd 121 0xFF, 0xFF, 0xFF, 0xFF,
cha45689 0:58524d569dfd 122 'W', 'A', 'V', 'E',
cha45689 0:58524d569dfd 123 'f', 'm', 't', ' ',
cha45689 0:58524d569dfd 124 0x10, 0, 0, 0, /* 16 */
cha45689 0:58524d569dfd 125 0x1, 0, /* PCM */
cha45689 0:58524d569dfd 126 0x1, 0, /* chan */
cha45689 0:58524d569dfd 127 0x40, 0x1F, 0x0, 0x0, /* sampleRate */
cha45689 0:58524d569dfd 128 0x80, 0x3E, 0x0, 0x0, /* byteRate */
cha45689 0:58524d569dfd 129 2, 0, /* blockAlign */
cha45689 0:58524d569dfd 130 0x10, 0, /* bitsPerSample */
cha45689 0:58524d569dfd 131 'd', 'a', 't', 'a',
cha45689 0:58524d569dfd 132 0xFF, 0xFF, 0xFF, 0xFF
cha45689 0:58524d569dfd 133 };
cha45689 0:58524d569dfd 134
cha45689 0:58524d569dfd 135 void Set32(unsigned char *d, unsigned int n) {
cha45689 0:58524d569dfd 136 int i;
cha45689 0:58524d569dfd 137 for (i=0; i<4; i++) {
cha45689 0:58524d569dfd 138 *d++ = (unsigned char)n;
cha45689 0:58524d569dfd 139 n >>= 8;
cha45689 0:58524d569dfd 140 }
cha45689 0:58524d569dfd 141 }
cha45689 0:58524d569dfd 142
cha45689 0:58524d569dfd 143 /* This function records an audio file in WAV formats.Use LINK1,left channel */
cha45689 0:58524d569dfd 144 void Player::recordFile(char *file) {
cha45689 0:58524d569dfd 145 unsigned int fileSize = 0;
cha45689 0:58524d569dfd 146 unsigned int n;
cha45689 0:58524d569dfd 147
cha45689 0:58524d569dfd 148 vs1053.writeRegister(SPI_BASS, 0x0055); //set accent
cha45689 0:58524d569dfd 149 vs1053.writeRegister(SPI_AICTRL0,8000); //samplerate 8k
cha45689 0:58524d569dfd 150 vs1053.writeRegister(SPI_AICTRL1,0); //record gain
cha45689 0:58524d569dfd 151 vs1053.writeRegister(SPI_AICTRL2,0); //Set the gain maximum,65536=64X
cha45689 0:58524d569dfd 152 vs1053.writeRegister(SPI_AICTRL3,7); //PCM Mode ,left channel,earphone mic
cha45689 0:58524d569dfd 153 //vs1053.writeRegister(SPI_AICTRL3,6); //PCM Mode ,right channel,board mic
cha45689 0:58524d569dfd 154 vs1053.writeRegister(SPI_CLOCKF,0x2000); //set clock
cha45689 0:58524d569dfd 155
cha45689 0:58524d569dfd 156 printf("loading recording plugin......\r\n");
cha45689 0:58524d569dfd 157 vs1053.writeRegister(SPI_MODE,0x1804); //Initialize recording
cha45689 0:58524d569dfd 158
cha45689 0:58524d569dfd 159 vs1053.loadPlugin(recPlugin,sizeof(recPlugin)/sizeof(recPlugin[0]));
cha45689 0:58524d569dfd 160 sd.remove(file);
cha45689 0:58524d569dfd 161 FileHandle *fp =sd.open(file, O_WRONLY|O_CREAT);
cha45689 0:58524d569dfd 162 if(fp == NULL) {
cha45689 0:58524d569dfd 163 printf("Could not open file for write\r\n");
cha45689 0:58524d569dfd 164 }
cha45689 0:58524d569dfd 165 else
cha45689 0:58524d569dfd 166 {
cha45689 0:58524d569dfd 167 printf("recording......\r\n");
cha45689 0:58524d569dfd 168 while(playerState == PS_RECORDING)
cha45689 0:58524d569dfd 169 {
cha45689 0:58524d569dfd 170 unsigned int i;
cha45689 0:58524d569dfd 171 unsigned char *rbp = fileBuf;
cha45689 0:58524d569dfd 172 /* See if there is some data available */
cha45689 0:58524d569dfd 173 if ((n = vs1053.readRegister(SPI_HDAT1)) > 0) {
cha45689 0:58524d569dfd 174 /* Make little-endian conversion for 16-bit PCM .WAV files */
cha45689 0:58524d569dfd 175 if(n>511)n=511;
cha45689 0:58524d569dfd 176 for (i=0; i<n;i++) {
cha45689 0:58524d569dfd 177 unsigned int w = vs1053.readRegister(SPI_HDAT0);
cha45689 0:58524d569dfd 178 *rbp++ = (unsigned char)(w & 0xFF);
cha45689 0:58524d569dfd 179 *rbp++ = (unsigned char)(w >> 8);
cha45689 0:58524d569dfd 180 }
cha45689 0:58524d569dfd 181 fp->write(fileBuf,2*n);
cha45689 0:58524d569dfd 182 fileSize += 2*n;
cha45689 0:58524d569dfd 183 }
cha45689 0:58524d569dfd 184
cha45689 0:58524d569dfd 185 }
cha45689 0:58524d569dfd 186
cha45689 0:58524d569dfd 187 /* Update file sizes for an RIFF PCM .WAV file */
cha45689 0:58524d569dfd 188 fp->lseek(0, SEEK_SET);
cha45689 0:58524d569dfd 189 Set32(pcmHeader+4, fileSize-8);
cha45689 0:58524d569dfd 190 Set32(pcmHeader+40, fileSize-36);
cha45689 0:58524d569dfd 191 fp->write(pcmHeader, sizeof(pcmHeader));
cha45689 0:58524d569dfd 192 fp->close();
cha45689 0:58524d569dfd 193
cha45689 0:58524d569dfd 194 printf("recording end\r\n");
cha45689 0:58524d569dfd 195 }
cha45689 0:58524d569dfd 196 /* Finally, reset the VS10xx software, including realoading the
cha45689 0:58524d569dfd 197 patches package, to make sure everything is set up properly. */
cha45689 0:58524d569dfd 198 vs1053.softReset();
cha45689 0:58524d569dfd 199
cha45689 0:58524d569dfd 200 }
cha45689 0:58524d569dfd 201