Christian Schmiljun / Mbed 2 deprecated Lib_VS1053b

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Dependencies:   mbed

main.cpp@2:8ef1e4409f20, 2011-01-12 (annotated)

Committer:
christi_s
Date:
Wed Jan 12 18:42:46 2011 +0000
Revision:
2:8ef1e4409f20
Parent:
1:62552e038f69 
update for library rev. lkw4hi

Who changed what in which revision?

UserRevisionLine numberNew contents of line
christi_s 0:e1919041e50b 1 /* mbed MP3 Shield Player - Testapplication for VLSI VS1053b Lib
christi_s 0:e1919041e50b 2 * Copyright (c) 2010 Christian Schmiljun
christi_s 0:e1919041e50b 3 *
christi_s 0:e1919041e50b 4 * Permission is hereby granted, free of charge, to any person obtaining a copy
christi_s 0:e1919041e50b 5 * of this software and associated documentation files (the "Software"), to deal
christi_s 0:e1919041e50b 6 * in the Software without restriction, including without limitation the rights
christi_s 0:e1919041e50b 7 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
christi_s 0:e1919041e50b 8 * copies of the Software, and to permit persons to whom the Software is
christi_s 0:e1919041e50b 9 * furnished to do so, subject to the following conditions:
christi_s 0:e1919041e50b 10 *
christi_s 0:e1919041e50b 11 * The above copyright notice and this permission notice shall be included in
christi_s 0:e1919041e50b 12 * all copies or substantial portions of the Software.
christi_s 0:e1919041e50b 13 *
christi_s 0:e1919041e50b 14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
christi_s 0:e1919041e50b 15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
christi_s 0:e1919041e50b 16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
christi_s 0:e1919041e50b 17 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
christi_s 0:e1919041e50b 18 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
christi_s 0:e1919041e50b 19 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
christi_s 0:e1919041e50b 20 * THE SOFTWARE.
christi_s 0:e1919041e50b 21 */
christi_s 0:e1919041e50b 22
christi_s 0:e1919041e50b 23
christi_s 0:e1919041e50b 24 #include "mbed.h"
christi_s 1:62552e038f69 25 #include "defines.h"
christi_s 0:e1919041e50b 26 #include "VS1053.h"
christi_s 0:e1919041e50b 27
christi_s 0:e1919041e50b 28 // Volume [ 0x0000 (loud) .. 0xFEFE (quiet) ]
christi_s 0:e1919041e50b 29 #define VOLUME -42.0f
christi_s 0:e1919041e50b 30 // Switch for local filesystem or SDCard
christi_s 0:e1919041e50b 31 #define USE_SDCARD
christi_s 0:e1919041e50b 32
christi_s 0:e1919041e50b 33 // ----------------------------------------------------------------------------
christi_s 0:e1919041e50b 34 //
christi_s 0:e1919041e50b 35 // Pin Assigenment for SDCard on Cool Components Workshop Board
christi_s 0:e1919041e50b 36 //
christi_s 0:e1919041e50b 37 // SDCard | mbed Side
christi_s 0:e1919041e50b 38 // ---------------------------------------
christi_s 0:e1919041e50b 39 // mosi-----------------5
christi_s 0:e1919041e50b 40 // miso-----------------6
christi_s 0:e1919041e50b 41 // sclk-----------------7
christi_s 0:e1919041e50b 42 // cs-------------------8
christi_s 0:e1919041e50b 43 //
christi_s 0:e1919041e50b 44 // ----------------------------------------------------------------------------
christi_s 0:e1919041e50b 45 #ifdef USE_SDCARD
christi_s 0:e1919041e50b 46 #include "SDFileSystem.h"
christi_s 0:e1919041e50b 47
christi_s 0:e1919041e50b 48 SDFileSystem sd(p5, p6, p7, p8, "sd");
christi_s 0:e1919041e50b 49 #define DIR_NAME "/sd/Musik"
christi_s 0:e1919041e50b 50 #else
christi_s 0:e1919041e50b 51 LocalFileSystem sd("local");
christi_s 0:e1919041e50b 52 #define DIR_NAME "/local"
christi_s 0:e1919041e50b 53 #endif
christi_s 0:e1919041e50b 54
christi_s 0:e1919041e50b 55
christi_s 0:e1919041e50b 56
christi_s 0:e1919041e50b 57
christi_s 0:e1919041e50b 58 // ----------------------------------------------------------------------------
christi_s 0:e1919041e50b 59 //
christi_s 0:e1919041e50b 60 // Pin Assigenment for Arduino MP3 Shield
christi_s 0:e1919041e50b 61 // (VS1053 employed, issued by sparkfun.com)
christi_s 0:e1919041e50b 62 //
christi_s 0:e1919041e50b 63 // MP3 Sheild Side | mbed Side
christi_s 0:e1919041e50b 64 // ---------------------------------------
christi_s 0:e1919041e50b 65 // RX-------------------10 (optional)
christi_s 0:e1919041e50b 66 // TX-------------------09 (optional)
christi_s 0:e1919041e50b 67 // D2(BSYNC)------------17
christi_s 0:e1919041e50b 68 // D3(DREQ)-------------16
christi_s 0:e1919041e50b 69 //
christi_s 0:e1919041e50b 70 // D9(CS)---------------14
christi_s 0:e1919041e50b 71 //
christi_s 0:e1919041e50b 72 // D11(MOSI)------------11
christi_s 0:e1919041e50b 73 // D12(MISO)------------12
christi_s 0:e1919041e50b 74 // D13(SCK)-------------13
christi_s 0:e1919041e50b 75 //
christi_s 0:e1919041e50b 76 // GND------------------GND(1)
christi_s 0:e1919041e50b 77 // 5V-------------------VU(39)
christi_s 0:e1919041e50b 78 // RESET----------------15
christi_s 0:e1919041e50b 79 //
christi_s 0:e1919041e50b 80 // ----------------------------------------------------------------------------
christi_s 2:8ef1e4409f20 81 const int VS1053B_BUFFER_SIZE = (16 * 1024 + 1);
christi_s 2:8ef1e4409f20 82 char VS1053_BUFFER[VS1053B_BUFFER_SIZE];
christi_s 2:8ef1e4409f20 83 char* VS1053B_BUFFER_POINTER = VS1053_BUFFER;
christi_s 2:8ef1e4409f20 84 VS1053 mp3( p11, p12, p13, p14, p15, p16, p17, VS1053_BUFFER, VS1053B_BUFFER_SIZE);
christi_s 0:e1919041e50b 85
christi_s 0:e1919041e50b 86 // Serial for Debug
christi_s 0:e1919041e50b 87 Serial pc(USBTX, USBRX);
christi_s 0:e1919041e50b 88
christi_s 1:62552e038f69 89 Ticker timer;
christi_s 1:62552e038f69 90 Ticker timer2;
christi_s 1:62552e038f69 91
christi_s 1:62552e038f69 92 DigitalIn _DREQ(p16);
christi_s 1:62552e038f69 93 bool next = false;
christi_s 1:62552e038f69 94
christi_s 1:62552e038f69 95 void statisticsOutput();
christi_s 1:62552e038f69 96
christi_s 0:e1919041e50b 97 void setVolume(void) {
christi_s 0:e1919041e50b 98 if (pc.readable())
christi_s 0:e1919041e50b 99 {
christi_s 0:e1919041e50b 100 unsigned char c = pc.getc();
christi_s 1:62552e038f69 101 // scanf ("%x",&i);
christi_s 1:62552e038f69 102 switch (c)
christi_s 0:e1919041e50b 103 {
christi_s 1:62552e038f69 104 case '1':
christi_s 1:62552e038f69 105 case '2':
christi_s 1:62552e038f69 106 case '3':
christi_s 1:62552e038f69 107 case '4':
christi_s 1:62552e038f69 108 mp3.setPlaySpeed(c - 48);
christi_s 1:62552e038f69 109 break;
christi_s 1:62552e038f69 110 case '+':
christi_s 1:62552e038f69 111 mp3.setVolume(mp3.getVolume() + 0.5);
christi_s 1:62552e038f69 112 break;
christi_s 1:62552e038f69 113 case '-':
christi_s 1:62552e038f69 114 mp3.setVolume(mp3.getVolume() - 0.5);
christi_s 1:62552e038f69 115 break;
christi_s 1:62552e038f69 116 case 'k':
christi_s 1:62552e038f69 117 mp3.setVolume(mp3.getBalance() + 0.5);
christi_s 1:62552e038f69 118 break;
christi_s 1:62552e038f69 119 case 'l':
christi_s 1:62552e038f69 120 mp3.setVolume(mp3.getBalance() - 0.5);
christi_s 1:62552e038f69 121 break;
christi_s 1:62552e038f69 122 case 'a':
christi_s 1:62552e038f69 123 mp3.setTrebleFrequency(mp3.getTrebleFrequency() + 1000);
christi_s 1:62552e038f69 124 break;
christi_s 1:62552e038f69 125 case 'y':
christi_s 1:62552e038f69 126 mp3.setTrebleFrequency(mp3.getTrebleFrequency() - 1000);
christi_s 1:62552e038f69 127 break;
christi_s 1:62552e038f69 128 case 's':
christi_s 1:62552e038f69 129 mp3.setTrebleAmplitude(mp3.getTrebleAmplitude() - 1);
christi_s 1:62552e038f69 130 break;
christi_s 1:62552e038f69 131 case 'x':
christi_s 1:62552e038f69 132 mp3.setTrebleAmplitude(mp3.getTrebleAmplitude() + 1);
christi_s 1:62552e038f69 133 break;
christi_s 1:62552e038f69 134 case 'd':
christi_s 1:62552e038f69 135 mp3.setBassFrequency(mp3.getBassFrequency() + 10);
christi_s 1:62552e038f69 136 break;
christi_s 1:62552e038f69 137 case 'c':
christi_s 1:62552e038f69 138 mp3.setBassFrequency(mp3.getBassFrequency() - 10);
christi_s 1:62552e038f69 139 break;
christi_s 1:62552e038f69 140 case 'f':
christi_s 1:62552e038f69 141 mp3.setBassAmplitude(mp3.getBassAmplitude() - 1);
christi_s 1:62552e038f69 142 break;
christi_s 1:62552e038f69 143 case 'v':
christi_s 1:62552e038f69 144 mp3.setBassAmplitude(mp3.getBassAmplitude() + 1);
christi_s 1:62552e038f69 145 break;
christi_s 1:62552e038f69 146 case 'z':
christi_s 1:62552e038f69 147 timer.attach(&statisticsOutput, 1);
christi_s 1:62552e038f69 148 break;
christi_s 1:62552e038f69 149 case 'u':
christi_s 1:62552e038f69 150 timer.detach();
christi_s 1:62552e038f69 151 break;
christi_s 1:62552e038f69 152 case 'i':
christi_s 1:62552e038f69 153 statisticsOutput();
christi_s 1:62552e038f69 154 break;
christi_s 1:62552e038f69 155 case 'h':
christi_s 1:62552e038f69 156 mp3.play();
christi_s 1:62552e038f69 157 break;
christi_s 1:62552e038f69 158 case 'j':
christi_s 1:62552e038f69 159 mp3.pause();
christi_s 1:62552e038f69 160 break;
christi_s 1:62552e038f69 161 case 'n':
christi_s 1:62552e038f69 162 next = true;
christi_s 1:62552e038f69 163 break;
christi_s 1:62552e038f69 164 default:
christi_s 1:62552e038f69 165 break;
christi_s 1:62552e038f69 166 }
christi_s 0:e1919041e50b 167 }
christi_s 0:e1919041e50b 168 }
christi_s 0:e1919041e50b 169
christi_s 1:62552e038f69 170
christi_s 1:62552e038f69 171
christi_s 1:62552e038f69 172 void statisticsOutput()
christi_s 1:62552e038f69 173 {
christi_s 1:62552e038f69 174 printf("Statistics\r\n");
christi_s 2:8ef1e4409f20 175 printf("Buffer - Size: %i, Free: %i, Loaded: %i\r\n", mp3.bufferLength(), mp3.bufferFree(), mp3.bufferCount());
christi_s 1:62552e038f69 176 printf("DREQ: %#x\r\n", _DREQ.read());
christi_s 1:62552e038f69 177 }
christi_s 1:62552e038f69 178
christi_s 1:62552e038f69 179 int main () {
christi_s 1:62552e038f69 180
christi_s 0:e1919041e50b 181 // ------------------------------------------------------------------------
christi_s 0:e1919041e50b 182 // MP3 Initialising
christi_s 0:e1919041e50b 183 // ------------------------------------------------------------------------
christi_s 0:e1919041e50b 184 printf("Initialize mp3 Codec...\r\n");
christi_s 0:e1919041e50b 185 mp3.initialize();
christi_s 0:e1919041e50b 186 printf("mp3 Codec is initialized\r\n");
christi_s 0:e1919041e50b 187
christi_s 0:e1919041e50b 188
christi_s 0:e1919041e50b 189 mp3.setVolume(VOLUME);
christi_s 1:62552e038f69 190 pc.attach(&setVolume);
christi_s 0:e1919041e50b 191
christi_s 0:e1919041e50b 192 // ------------------------------------------------------------------------
christi_s 0:e1919041e50b 193 // Play mp3 file
christi_s 0:e1919041e50b 194 // ------------------------------------------------------------------------
christi_s 0:e1919041e50b 195
christi_s 0:e1919041e50b 196 //while (1)
christi_s 0:e1919041e50b 197 {
christi_s 0:e1919041e50b 198 DIR *d;
christi_s 0:e1919041e50b 199 struct dirent *p;
christi_s 0:e1919041e50b 200 d = opendir(DIR_NAME);
christi_s 0:e1919041e50b 201 if(d != NULL)
christi_s 0:e1919041e50b 202 {
christi_s 0:e1919041e50b 203 while ((p = readdir(d)) != NULL) {
christi_s 0:e1919041e50b 204 char str[160] = DIR_NAME;
christi_s 0:e1919041e50b 205
christi_s 0:e1919041e50b 206 //check extension
christi_s 0:e1919041e50b 207 char * extension =strrchr( p->d_name,'.') + 1;
christi_s 0:e1919041e50b 208 bool isAudioFile = false;
christi_s 0:e1919041e50b 209 if (strcmp(extension, "mp3") == 0)
christi_s 0:e1919041e50b 210 isAudioFile = true;
christi_s 0:e1919041e50b 211 else if (strcmp(extension, "MP3") == 0)
christi_s 0:e1919041e50b 212 isAudioFile = true;
christi_s 0:e1919041e50b 213 else if (strcmp(extension, "mp4") == 0)
christi_s 0:e1919041e50b 214 isAudioFile = true;
christi_s 0:e1919041e50b 215 else if (strcmp(extension, "MP4") == 0)
christi_s 0:e1919041e50b 216 isAudioFile = true;
christi_s 0:e1919041e50b 217 if (isAudioFile )
christi_s 0:e1919041e50b 218 {
christi_s 0:e1919041e50b 219 printf("Now Playing: %s\r\n", p->d_name);
christi_s 0:e1919041e50b 220
christi_s 0:e1919041e50b 221 sprintf(str, "%s/%s", DIR_NAME, p->d_name);
christi_s 0:e1919041e50b 222 printf("Path %s\r\n", str);
christi_s 0:e1919041e50b 223
christi_s 0:e1919041e50b 224 FILE *song;
christi_s 0:e1919041e50b 225
christi_s 2:8ef1e4409f20 226 char array[2048];
christi_s 0:e1919041e50b 227
christi_s 0:e1919041e50b 228 song = fopen(str, "rb");
christi_s 0:e1919041e50b 229 //song = fopen("/sd/Musik/01.mp3", "rb");
christi_s 0:e1919041e50b 230
christi_s 0:e1919041e50b 231 if (!song) {
christi_s 0:e1919041e50b 232 printf("Couldn't open %s\r\n", str);
christi_s 0:e1919041e50b 233 continue;
christi_s 0:e1919041e50b 234 //exit(1);
christi_s 1:62552e038f69 235 }
christi_s 1:62552e038f69 236
christi_s 1:62552e038f69 237 int count = 0;
christi_s 1:62552e038f69 238 bool test = true;
christi_s 1:62552e038f69 239
christi_s 1:62552e038f69 240 while (!feof(song) && !next) {
christi_s 0:e1919041e50b 241 int n=fread(&array, 1, sizeof(array), song);
christi_s 1:62552e038f69 242 while (mp3.bufferFree() < n)
christi_s 1:62552e038f69 243 ;
christi_s 1:62552e038f69 244 mp3.bufferPutStream(array,n);
christi_s 1:62552e038f69 245 if (count > 2 && test)
christi_s 1:62552e038f69 246 {
christi_s 1:62552e038f69 247 test = false;
christi_s 1:62552e038f69 248 mp3.play();
christi_s 1:62552e038f69 249 }
christi_s 1:62552e038f69 250 count++;
christi_s 1:62552e038f69 251 }
christi_s 1:62552e038f69 252 if (next)
christi_s 1:62552e038f69 253 {
christi_s 1:62552e038f69 254 mp3.stop();
christi_s 1:62552e038f69 255 next = false;
christi_s 0:e1919041e50b 256 }
christi_s 1:62552e038f69 257 else
christi_s 1:62552e038f69 258 {
christi_s 1:62552e038f69 259 mp3.terminateStream();
christi_s 1:62552e038f69 260 }
christi_s 0:e1919041e50b 261 fclose(song); //close the file
christi_s 0:e1919041e50b 262
christi_s 1:62552e038f69 263 printf("End of song.\r\n");
christi_s 0:e1919041e50b 264 wait(1.0);
christi_s 0:e1919041e50b 265 }
christi_s 0:e1919041e50b 266 else
christi_s 0:e1919041e50b 267 {
christi_s 0:e1919041e50b 268 printf("File ignored. Extension: %s\r\n", extension);
christi_s 0:e1919041e50b 269 }
christi_s 0:e1919041e50b 270
christi_s 0:e1919041e50b 271 }
christi_s 0:e1919041e50b 272 closedir(d);
christi_s 0:e1919041e50b 273 }
christi_s 0:e1919041e50b 274 else
christi_s 0:e1919041e50b 275 {
christi_s 0:e1919041e50b 276 error("Could not open directory!");
christi_s 0:e1919041e50b 277 // break;
christi_s 0:e1919041e50b 278 }
christi_s 0:e1919041e50b 279
christi_s 0:e1919041e50b 280 }
christi_s 0:e1919041e50b 281 printf("Done.\r\n");
christi_s 0:e1919041e50b 282
christi_s 0:e1919041e50b 283 }