Shigeki KOMATSU / Mbed 2 deprecated mbeduino_MP3_Shield_MP3Player

mbeduino MP3 Sheild player MP3 player that runs on mebeduin with MP3 Shield. Regarding mbeduino, refer to: http://mbed.org/users/okini3939/notebook/mbeduino/ Regarding MP3 Shiled, refer to: http://www.sparkfun.com/commerce/product_info.php?products_id=9736

Dependencies:   mbed SDFileSystem

main.cpp@1:c47269f0e9e1, 2010-10-16 (annotated)

Committer:
xshige
Date:
Sat Oct 16 05:14:59 2010 +0000
Revision:
1:c47269f0e9e1
Parent:
0:67cb2f650c15 
2010/10/16 version: (1) Patch loading is supported.  The patch is needed to make FLAC decoder work. (2)MP3,Ogg,MIDI,WMA,FLAC,AAC work correctly.

Who changed what in which revision?

UserRevisionLine numberNew contents of line
xshige 0:67cb2f650c15 1 //
xshige 0:67cb2f650c15 2 // mbeduino MP3 Shield Player
xshige 0:67cb2f650c15 3 //
xshige 0:67cb2f650c15 4 // Note:
xshige 0:67cb2f650c15 5 // (1)Push reset button on the MP3 Sheild to reboot
xshige 0:67cb2f650c15 6 // when this program does not work correctly.
xshige 0:67cb2f650c15 7 // (2)Remenber the file system does not support long file/directory name.
xshige 1:c47269f0e9e1 8 // (3)I have confirmed MP3,Ogg,MIDI,WMA,FLAC,AAC work correcly. (FLAC needs patch)
xshige 1:c47269f0e9e1 9 // WAV needs data transfer(mbed to VS1053) optimized.
xshige 1:c47269f0e9e1 10 //
xshige 1:c47269f0e9e1 11 // 2010/10/16
xshige 1:c47269f0e9e1 12 // Patch loading is supported.
xshige 1:c47269f0e9e1 13 // (the patch is needed to make FLAC decoder work)
xshige 1:c47269f0e9e1 14 // MP3,Ogg,MIDI,WMA,FLAC,AAC work correcly.
xshige 0:67cb2f650c15 15 //
xshige 0:67cb2f650c15 16 // 2010/10/12
xshige 0:67cb2f650c15 17 // ported on mbeduino with MP3 Shield by xshige
xshige 0:67cb2f650c15 18
xshige 1:c47269f0e9e1 19
xshige 0:67cb2f650c15 20 #define mbeduino
xshige 0:67cb2f650c15 21
xshige 0:67cb2f650c15 22 #include "mbed.h"
xshige 0:67cb2f650c15 23 #include "VS1053.h"
xshige 0:67cb2f650c15 24
xshige 0:67cb2f650c15 25 #ifdef mbeduino
xshige 0:67cb2f650c15 26 #include "ArduinoShield.h"
xshige 0:67cb2f650c15 27 #endif
xshige 0:67cb2f650c15 28
xshige 0:67cb2f650c15 29 /*
xshige 0:67cb2f650c15 30
xshige 0:67cb2f650c15 31 MP3 Shield Pin Assigment on mbeduino
xshige 0:67cb2f650c15 32
xshige 0:67cb2f650c15 33 Arduino MP3 Side:
xshige 0:67cb2f650c15 34 RX NC
xshige 0:67cb2f650c15 35 TX NC
xshige 0:67cb2f650c15 36
xshige 0:67cb2f650c15 37 D2(BSYNC)
xshige 0:67cb2f650c15 38 D3(DREQ)
xshige 0:67cb2f650c15 39
xshige 0:67cb2f650c15 40 D4(GPIO2) NC
xshige 0:67cb2f650c15 41 D5(GPIO3) NC
xshige 0:67cb2f650c15 42
xshige 0:67cb2f650c15 43 D9(CS)
xshige 0:67cb2f650c15 44
xshige 0:67cb2f650c15 45 D11(MOSI)
xshige 0:67cb2f650c15 46 D12(MISO)
xshige 0:67cb2f650c15 47 D13(SCK)
xshige 0:67cb2f650c15 48
xshige 0:67cb2f650c15 49 NC: means None-Connection so that I cut pin away.
xshige 0:67cb2f650c15 50
xshige 0:67cb2f650c15 51 //-------------
xshige 0:67cb2f650c15 52
xshige 0:67cb2f650c15 53 this program comming from the following code:
xshige 0:67cb2f650c15 54
xshige 0:67cb2f650c15 55 Arduino MP3 Shield MP3Player
xshige 0:67cb2f650c15 56 2010/10/3
xshige 0:67cb2f650c15 57
xshige 0:67cb2f650c15 58 This program comes from http://mbed.org/cookbook/VS1002-MP3-Decoder
xshige 0:67cb2f650c15 59 (Very small modification done to fit latest libs)
xshige 0:67cb2f650c15 60
xshige 0:67cb2f650c15 61
xshige 0:67cb2f650c15 62 Pin Assigenment for Arduino MP3 Shield
xshige 0:67cb2f650c15 63 (VS1053 employed, issued by sparkfun.com)
xshige 0:67cb2f650c15 64
xshige 0:67cb2f650c15 65 MP3 Sheild Side | mbed Side
xshige 0:67cb2f650c15 66 ---------------------------------------
xshige 0:67cb2f650c15 67 D2(BSYNC)------------17
xshige 0:67cb2f650c15 68 D3(DREQ)-------------16
xshige 0:67cb2f650c15 69
xshige 0:67cb2f650c15 70 D9(CS)---------------14
xshige 0:67cb2f650c15 71
xshige 0:67cb2f650c15 72 D11(MOSI)------------11
xshige 0:67cb2f650c15 73 D12(MISO)------------12
xshige 0:67cb2f650c15 74 D13(SCK)-------------13
xshige 0:67cb2f650c15 75
xshige 0:67cb2f650c15 76 GND------------------GND(1)
xshige 0:67cb2f650c15 77 5V-------------------VU(39)
xshige 0:67cb2f650c15 78 RESET----------------15
xshige 0:67cb2f650c15 79
xshige 0:67cb2f650c15 80 Volume will not used. (pin20 will not used)
xshige 0:67cb2f650c15 81
xshige 0:67cb2f650c15 82 */
xshige 0:67cb2f650c15 83
xshige 0:67cb2f650c15 84 #include "SDFileSystem.h"
xshige 0:67cb2f650c15 85 SDFileSystem sd(p5, p6, p7, p8, "sd");
xshige 0:67cb2f650c15 86
xshige 0:67cb2f650c15 87 VS1053 mp3(
xshige 0:67cb2f650c15 88 // PinName mosi, PinName miso, PinName sck, PinName cs, PinName rst,
xshige 0:67cb2f650c15 89 // PinName dreq, PinName dcs, PinName vol)
xshige 1:c47269f0e9e1 90
xshige 0:67cb2f650c15 91 #ifdef mbeduino
xshige 0:67cb2f650c15 92 ARD_D11,ARD_D12,ARD_D13,ARD_D9,p15,
xshige 0:67cb2f650c15 93 ARD_D3,ARD_D2,p20);
xshige 1:c47269f0e9e1 94 #else
xshige 1:c47269f0e9e1 95 p11, p12, p13, p14, p15,
xshige 1:c47269f0e9e1 96 p16, p17, p20);
xshige 0:67cb2f650c15 97 #endif
xshige 0:67cb2f650c15 98
xshige 0:67cb2f650c15 99
xshige 0:67cb2f650c15 100 int main ()
xshige 0:67cb2f650c15 101 {
xshige 0:67cb2f650c15 102 // make debug port Fast
xshige 0:67cb2f650c15 103 Serial pc(USBTX, USBRX);
xshige 0:67cb2f650c15 104 // pc.baud(9600);
xshige 0:67cb2f650c15 105 pc.baud(115200);
xshige 0:67cb2f650c15 106 // pc.baud(230400);
xshige 0:67cb2f650c15 107
xshige 0:67cb2f650c15 108
xshige 0:67cb2f650c15 109 /*============================================================
xshige 0:67cb2f650c15 110 * MP3 Initialising
xshige 0:67cb2f650c15 111 *==========================================================*/
xshige 1:c47269f0e9e1 112
xshige 1:c47269f0e9e1 113 mp3.initialize();
xshige 1:c47269f0e9e1 114
xshige 0:67cb2f650c15 115 /*============================================================
xshige 0:67cb2f650c15 116 * This is the good part
xshige 0:67cb2f650c15 117 *==========================================================*/
xshige 0:67cb2f650c15 118
xshige 0:67cb2f650c15 119 /*====== Song Select ======*/
xshige 0:67cb2f650c15 120 for(int a=1; a<24; a++)
xshige 0:67cb2f650c15 121 {
xshige 0:67cb2f650c15 122 printf("Song#:%d\r\n",a);
xshige 0:67cb2f650c15 123 int song_number = a;
xshige 0:67cb2f650c15 124
xshige 0:67cb2f650c15 125 // char list[10000] = {0};
xshige 0:67cb2f650c15 126 char list[1000] = {0};
xshige 0:67cb2f650c15 127 char str[16] = {"/sd/"};
xshige 0:67cb2f650c15 128 unsigned int startplace = 0;
xshige 0:67cb2f650c15 129 unsigned int endplace = 0;
xshige 0:67cb2f650c15 130 unsigned int play = 0;
xshige 0:67cb2f650c15 131 int num_of_files = 0;
xshige 0:67cb2f650c15 132
xshige 0:67cb2f650c15 133 DIR *d;
xshige 0:67cb2f650c15 134 struct dirent *p;
xshige 0:67cb2f650c15 135 d = opendir("/sd");
xshige 0:67cb2f650c15 136 if(d != NULL)
xshige 0:67cb2f650c15 137 {
xshige 0:67cb2f650c15 138 while((p = readdir(d)) != NULL)
xshige 0:67cb2f650c15 139 {
xshige 0:67cb2f650c15 140 strcat(list, "*");
xshige 0:67cb2f650c15 141 strcat(list, p->d_name);
xshige 0:67cb2f650c15 142 num_of_files++;
xshige 0:67cb2f650c15 143 }
xshige 0:67cb2f650c15 144 }
xshige 0:67cb2f650c15 145 else
xshige 0:67cb2f650c15 146 {
xshige 0:67cb2f650c15 147 perror("Could not open directory!");
xshige 0:67cb2f650c15 148 }
xshige 0:67cb2f650c15 149 strcat(list, "*"); //terminating *
xshige 0:67cb2f650c15 150
xshige 0:67cb2f650c15 151 while(play != song_number)
xshige 0:67cb2f650c15 152 {
xshige 0:67cb2f650c15 153 char symbol = list[startplace];
xshige 0:67cb2f650c15 154 startplace++;
xshige 0:67cb2f650c15 155 if(symbol == 0x2A) //0x2A = "*"
xshige 0:67cb2f650c15 156 {
xshige 0:67cb2f650c15 157 play++;
xshige 0:67cb2f650c15 158 }
xshige 0:67cb2f650c15 159 }
xshige 0:67cb2f650c15 160 play = 0;
xshige 0:67cb2f650c15 161 while(play != (song_number+1))
xshige 0:67cb2f650c15 162 {
xshige 0:67cb2f650c15 163 char symbol = list[endplace];
xshige 0:67cb2f650c15 164 endplace++;
xshige 0:67cb2f650c15 165 if(symbol == 0x2A) //0x2A = "*"
xshige 0:67cb2f650c15 166 {
xshige 0:67cb2f650c15 167 play++;
xshige 0:67cb2f650c15 168 }
xshige 0:67cb2f650c15 169 }
xshige 0:67cb2f650c15 170
xshige 0:67cb2f650c15 171 strncat(str, &list[startplace], endplace-startplace);
xshige 0:67cb2f650c15 172 str[(endplace-startplace)+3] = '\0';
xshige 0:67cb2f650c15 173
xshige 0:67cb2f650c15 174 //printf("list: %s\r\n",list); //debug
xshige 0:67cb2f650c15 175
xshige 0:67cb2f650c15 176 /*====== File Transfer ======*/
xshige 0:67cb2f650c15 177
xshige 0:67cb2f650c15 178 printf("Now Playing: %s\r\n",str);
xshige 0:67cb2f650c15 179
xshige 0:67cb2f650c15 180 FILE *song;
xshige 1:c47269f0e9e1 181 // unsigned char array[8*1024];
xshige 1:c47269f0e9e1 182 unsigned char array[4*1024]; // bigger size makes click tone in AAC playing
xshige 0:67cb2f650c15 183
xshige 0:67cb2f650c15 184 song = fopen(str, "rb");
xshige 0:67cb2f650c15 185
xshige 0:67cb2f650c15 186 if(!song)
xshige 0:67cb2f650c15 187 {
xshige 0:67cb2f650c15 188 exit(1);
xshige 0:67cb2f650c15 189 }
xshige 0:67cb2f650c15 190
xshige 0:67cb2f650c15 191 while(!feof(song))
xshige 0:67cb2f650c15 192 {
xshige 0:67cb2f650c15 193 int n=fread(&array, 1, sizeof(array), song);
xshige 0:67cb2f650c15 194 mp3.writeStream(array,n);
xshige 0:67cb2f650c15 195 }
xshige 0:67cb2f650c15 196 mp3.terminateStream();
xshige 0:67cb2f650c15 197
xshige 0:67cb2f650c15 198 fclose(song); //close the file
xshige 0:67cb2f650c15 199
xshige 0:67cb2f650c15 200 } // for
xshige 0:67cb2f650c15 201
xshige 0:67cb2f650c15 202 printf("Done.\r\n");
xshige 0:67cb2f650c15 203 }