Namaskron Chimpalee / VS1053_mp3

mp3

player.cpp@5:ce3a3ce60f30, 2017-12-12 (annotated)

Committer:
csggreen
Date:
Tue Dec 12 14:04:24 2017 +0000
Revision:
5:ce3a3ce60f30
Parent:
4:5b1bd3cca8dc
Child:
6:a26a42923924
gs

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
csggreen 4:5b1bd3cca8dc 6 Serial aa(USBTX, USBRX);
csggreen 4:5b1bd3cca8dc 7 Serial pc(D1, D0);
cha45689 0:58524d569dfd 8 playerStatetype playerState;
csggreen 4:5b1bd3cca8dc 9 static unsigned char fileBuf[48000];
cha45689 0:58524d569dfd 10 unsigned char *bufptr;
csggreen 2:a59255e80c0d 11 char green;
csggreen 4:5b1bd3cca8dc 12 bool startplaysong;
csggreen 4:5b1bd3cca8dc 13 bool playsong;
csggreen 5:ce3a3ce60f30 14 char datainput;
cha45689 0:58524d569dfd 15
csggreen 2:a59255e80c0d 16 char list[20][50]; //song list
csggreen 2:a59255e80c0d 17
csggreen 1:17913cff05a2 18 char data ;
csggreen 1:17913cff05a2 19 DigitalIn sw_in(USER_BUTTON);
cha45689 0:58524d569dfd 20
cha45689 0:58524d569dfd 21 void Player::begin(void)
cha45689 0:58524d569dfd 22 {
cha45689 0:58524d569dfd 23 DirHandle *dir;
cha45689 0:58524d569dfd 24 struct dirent *ptr;
cha45689 0:58524d569dfd 25 FileHandle *fp;
cha45689 0:58524d569dfd 26
cha45689 0:58524d569dfd 27 vs1053.reset();
cha45689 0:58524d569dfd 28 dir = opendir("/sd");
csggreen 4:5b1bd3cca8dc 29 //printf("\r\n**********playing list**********\r\n");
cha45689 0:58524d569dfd 30 unsigned char i = 0,j=0;
cha45689 0:58524d569dfd 31 while(((ptr = dir->readdir()) != NULL)&&(i <20))
cha45689 0:58524d569dfd 32 {
csggreen 1:17913cff05a2 33 if(strstr(ptr->d_name,".mp3")||strstr(ptr->d_name,".MP3"))
cha45689 0:58524d569dfd 34 {
cha45689 0:58524d569dfd 35 fp =sd.open(ptr->d_name, O_RDONLY);
cha45689 0:58524d569dfd 36 if(fp != NULL)
cha45689 0:58524d569dfd 37 {
cha45689 0:58524d569dfd 38 char *byte = ptr->d_name;
csggreen 1:17913cff05a2 39 j=0;
csggreen 1:17913cff05a2 40 while(*byte){
csggreen 1:17913cff05a2 41 list[i][j++] = *byte++;
csggreen 2:a59255e80c0d 42 green=i;
cha45689 0:58524d569dfd 43 }
csggreen 4:5b1bd3cca8dc 44 aa.printf("%2d . %s\r\n", i,list[i++]);
csggreen 1:17913cff05a2 45 //fp->close();
cha45689 0:58524d569dfd 46 }
cha45689 0:58524d569dfd 47 }
cha45689 0:58524d569dfd 48 }
cha45689 0:58524d569dfd 49 dir->closedir();
cha45689 0:58524d569dfd 50 }
cha45689 0:58524d569dfd 51
csggreen 3:94b538ace77a 52
csggreen 3:94b538ace77a 53
csggreen 4:5b1bd3cca8dc 54
csggreen 4:5b1bd3cca8dc 55
csggreen 4:5b1bd3cca8dc 56 /* select file by num. */
csggreen 4:5b1bd3cca8dc 57 void Player::selectfile(char n){
csggreen 5:ce3a3ce60f30 58
csggreen 4:5b1bd3cca8dc 59 startplaysong=false;
csggreen 4:5b1bd3cca8dc 60 playerState =PS_STOP;
csggreen 4:5b1bd3cca8dc 61 playsong=false;
csggreen 4:5b1bd3cca8dc 62 green = n;
csggreen 4:5b1bd3cca8dc 63 }
csggreen 4:5b1bd3cca8dc 64
csggreen 4:5b1bd3cca8dc 65
csggreen 4:5b1bd3cca8dc 66
csggreen 4:5b1bd3cca8dc 67 /* This function stop an audio file. */
csggreen 1:17913cff05a2 68 void Player::stop(void){
csggreen 4:5b1bd3cca8dc 69 startplaysong=true;
csggreen 1:17913cff05a2 70 playerState =PS_STOP;
csggreen 1:17913cff05a2 71 }
csggreen 2:a59255e80c0d 72
csggreen 5:ce3a3ce60f30 73
csggreen 5:ce3a3ce60f30 74 void Player::run(void){
csggreen 5:ce3a3ce60f30 75 if(datainput=='0'){
csggreen 5:ce3a3ce60f30 76 selectfile(0);
csggreen 5:ce3a3ce60f30 77 playFile(list[green]);
csggreen 5:ce3a3ce60f30 78 //stop();
csggreen 5:ce3a3ce60f30 79 }
csggreen 4:5b1bd3cca8dc 80 if(datainput=='1'){
csggreen 4:5b1bd3cca8dc 81 selectfile(1);
csggreen 5:ce3a3ce60f30 82 playFile(list[green]);
csggreen 5:ce3a3ce60f30 83 //stop();
csggreen 5:ce3a3ce60f30 84
csggreen 4:5b1bd3cca8dc 85 }
csggreen 4:5b1bd3cca8dc 86 if(datainput=='2'){
csggreen 4:5b1bd3cca8dc 87 selectfile(2);
csggreen 5:ce3a3ce60f30 88 playFile(list[green]);
csggreen 5:ce3a3ce60f30 89 //stop();
csggreen 5:ce3a3ce60f30 90 }
csggreen 5:ce3a3ce60f30 91 if(datainput=='3'){
csggreen 5:ce3a3ce60f30 92 selectfile(3);
csggreen 5:ce3a3ce60f30 93 playFile(list[green]);
csggreen 5:ce3a3ce60f30 94 //stop();
csggreen 4:5b1bd3cca8dc 95 }
csggreen 5:ce3a3ce60f30 96 if(datainput=='4'){
csggreen 5:ce3a3ce60f30 97 selectfile(4);
csggreen 5:ce3a3ce60f30 98 playFile(list[green]);
csggreen 5:ce3a3ce60f30 99 //stop();
csggreen 5:ce3a3ce60f30 100 }
csggreen 5:ce3a3ce60f30 101 if(datainput=='5'){
csggreen 5:ce3a3ce60f30 102 selectfile(5);
csggreen 5:ce3a3ce60f30 103 playFile(list[green]);
csggreen 5:ce3a3ce60f30 104 //stop();
csggreen 5:ce3a3ce60f30 105 }
csggreen 5:ce3a3ce60f30 106 else{
csggreen 5:ce3a3ce60f30 107 stop();
csggreen 5:ce3a3ce60f30 108 }
csggreen 4:5b1bd3cca8dc 109 }
csggreen 1:17913cff05a2 110
csggreen 2:a59255e80c0d 111
csggreen 4:5b1bd3cca8dc 112
csggreen 4:5b1bd3cca8dc 113 void Player::read(void){
csggreen 4:5b1bd3cca8dc 114 pc.readable();
csggreen 5:ce3a3ce60f30 115 datainput = pc.getc();
csggreen 4:5b1bd3cca8dc 116
csggreen 4:5b1bd3cca8dc 117 }
csggreen 4:5b1bd3cca8dc 118
csggreen 1:17913cff05a2 119
csggreen 4:5b1bd3cca8dc 120
csggreen 4:5b1bd3cca8dc 121 /* This function plays audio file. */
cha45689 0:58524d569dfd 122 void Player::playFile(char *file) {
cha45689 0:58524d569dfd 123 int bytes; // How many bytes in buffer left
cha45689 0:58524d569dfd 124 char n;
cha45689 0:58524d569dfd 125
cha45689 0:58524d569dfd 126 playerState = PS_PLAY;
cha45689 0:58524d569dfd 127
cha45689 0:58524d569dfd 128 vs1053.setFreq(24000000); //hight speed
csggreen 1:17913cff05a2 129
csggreen 2:a59255e80c0d 130 FileHandle *fp =sd.open(file, O_RDONLY);
cha45689 0:58524d569dfd 131
cha45689 0:58524d569dfd 132 if(fp == NULL) {
cha45689 0:58524d569dfd 133 printf("Could not open %s\r\n",file);
cha45689 0:58524d569dfd 134
cha45689 0:58524d569dfd 135 }
cha45689 0:58524d569dfd 136 else
cha45689 0:58524d569dfd 137 {
cha45689 0:58524d569dfd 138 printf("Playing %s ...\r\n",file);
cha45689 0:58524d569dfd 139
cha45689 0:58524d569dfd 140 /* Main playback loop */
csggreen 5:ce3a3ce60f30 141 while((bytes = fp->read(fileBuf,48000)) > 0) {
csggreen 5:ce3a3ce60f30 142 {
csggreen 5:ce3a3ce60f30 143 pc.printf("green\n");
csggreen 5:ce3a3ce60f30 144 if(pc.readable()){
csggreen 5:ce3a3ce60f30 145 break;
csggreen 5:ce3a3ce60f30 146 //stop();
csggreen 5:ce3a3ce60f30 147 }
csggreen 5:ce3a3ce60f30 148 vs1053.setFreq(24000000);
cha45689 0:58524d569dfd 149 bufptr = fileBuf;
cha45689 0:58524d569dfd 150 // actual audio data gets sent to VS10xx.
cha45689 0:58524d569dfd 151 while(bytes > 0)
cha45689 0:58524d569dfd 152 {
csggreen 5:ce3a3ce60f30 153 n = (bytes < 32)?bytes:32; //defalt 32
cha45689 0:58524d569dfd 154 vs1053.writeData(bufptr,n);
cha45689 0:58524d569dfd 155 bytes -= n;
cha45689 0:58524d569dfd 156 bufptr += n;
csggreen 5:ce3a3ce60f30 157 if(pc.readable()){
csggreen 5:ce3a3ce60f30 158 break;
csggreen 5:ce3a3ce60f30 159 //stop();
csggreen 5:ce3a3ce60f30 160 }
csggreen 1:17913cff05a2 161
cha45689 0:58524d569dfd 162 }
csggreen 1:17913cff05a2 163 uint8_t vol = 0x00;//set vlume
csggreen 1:17913cff05a2 164 vs1053.setVolume(vol); //set vlume
csggreen 2:a59255e80c0d 165
cha45689 0:58524d569dfd 166 if(playerState != PS_PLAY) //stop
cha45689 0:58524d569dfd 167 {
cha45689 0:58524d569dfd 168 fp->close();
cha45689 0:58524d569dfd 169 vs1053.softReset();
cha45689 0:58524d569dfd 170 }
csggreen 1:17913cff05a2 171
csggreen 1:17913cff05a2 172 }
cha45689 0:58524d569dfd 173 }
cha45689 0:58524d569dfd 174 }
cha45689 0:58524d569dfd 175
cha45689 0:58524d569dfd 176 }
cha45689 0:58524d569dfd 177