Vizic Technologies / Mbed 2 deprecated MediaPlayerSWav

SMART WAV audio processor connected together with the SMART GPU graphics processor, a \"windows media player\" application is demostrated, be sure to download demo\'s used files to the microSD card. http://vizictechnologies.com/#/software-demos-sw/4560115377

Dependencies:   SMARTGPU mbed SMARTWAV

main.cpp@0:a38a3a6a3724, 2012-02-12 (annotated)

Committer:
emmanuelchio
Date:
Sun Feb 12 01:36:34 2012 +0000
Revision:
0:a38a3a6a3724
1.0

Who changed what in which revision?

UserRevisionLine numberNew contents of line
emmanuelchio 0:a38a3a6a3724 1 /**************************************************************************************/
emmanuelchio 0:a38a3a6a3724 2 /*SMARTWAV intelligent embedded Audio processor unit
emmanuelchio 0:a38a3a6a3724 3 those examples are for use the SMARTWAV with the mbed microcontoller, just connect tx,rx,and reset
emmanuelchio 0:a38a3a6a3724 4 Board:
emmanuelchio 0:a38a3a6a3724 5 http://vizictechnologies.com/#/smart-wav/4559021187
emmanuelchio 0:a38a3a6a3724 6
emmanuelchio 0:a38a3a6a3724 7 This example requires pre-loaded content to the micro SD card, Audio .WAV files!
emmanuelchio 0:a38a3a6a3724 8
emmanuelchio 0:a38a3a6a3724 9 www.vizictechnologies.com
emmanuelchio 0:a38a3a6a3724 10 Vizic Technologies copyright 2012 */
emmanuelchio 0:a38a3a6a3724 11 /**************************************************************************************/
emmanuelchio 0:a38a3a6a3724 12 /**************************************************************************************/
emmanuelchio 0:a38a3a6a3724 13
emmanuelchio 0:a38a3a6a3724 14 #include "mbed.h"
emmanuelchio 0:a38a3a6a3724 15 #include "SMARTWAV.h"
emmanuelchio 0:a38a3a6a3724 16 #include "SMARTGPU.h"
emmanuelchio 0:a38a3a6a3724 17
emmanuelchio 0:a38a3a6a3724 18 SMARTWAV sWav(p13,p14,p15); //(TX,RX,Reset);
emmanuelchio 0:a38a3a6a3724 19 SMARTGPU lcd(p28,p27,p29); //(TX,RX,Reset);
emmanuelchio 0:a38a3a6a3724 20
emmanuelchio 0:a38a3a6a3724 21 //Each times we use the touchscreen we must define a int array that stores the X and Y readed or touched coordinates.
emmanuelchio 0:a38a3a6a3724 22 int touch[2];
emmanuelchio 0:a38a3a6a3724 23 //Each times we use the touchicon we must define a char array that stores the name of the touched icon.
emmanuelchio 0:a38a3a6a3724 24 char icon[3];
emmanuelchio 0:a38a3a6a3724 25
emmanuelchio 0:a38a3a6a3724 26 //Global Variables
emmanuelchio 0:a38a3a6a3724 27 char playList[500]; //an array for storing the retrieved list of Audio files
emmanuelchio 0:a38a3a6a3724 28 char dirList[500]; //an array for storing the retrieved list of Folders/Dirs
emmanuelchio 0:a38a3a6a3724 29 char songName[9]; // 8 characters + null character
emmanuelchio 0:a38a3a6a3724 30 char times[6]={0}; //array to store the times
emmanuelchio 0:a38a3a6a3724 31 unsigned char audioItems=0; //variable storing the total of audio files on the 'playlist' array
emmanuelchio 0:a38a3a6a3724 32 unsigned char dirItems=0; //variable storing the total of Folders/Dirs on the 'dirList' array
emmanuelchio 0:a38a3a6a3724 33 unsigned char totalAudioItems=0;
emmanuelchio 0:a38a3a6a3724 34 unsigned char songPointer=0;
emmanuelchio 0:a38a3a6a3724 35 unsigned char minutes=0,seconds=0;
emmanuelchio 0:a38a3a6a3724 36 unsigned int progress=0; //to draw song progress
emmanuelchio 0:a38a3a6a3724 37
emmanuelchio 0:a38a3a6a3724 38 /************************************************************************************************/
emmanuelchio 0:a38a3a6a3724 39 //Simple function to count the number of items on a list
emmanuelchio 0:a38a3a6a3724 40 /************************************************************************************************/
emmanuelchio 0:a38a3a6a3724 41 unsigned char getListItems(char *list){ // returns the number of audio files on current folder/Dir, if none or fails returns 0
emmanuelchio 0:a38a3a6a3724 42 unsigned int i=0;
emmanuelchio 0:a38a3a6a3724 43 unsigned char counter=0;
emmanuelchio 0:a38a3a6a3724 44
emmanuelchio 0:a38a3a6a3724 45 while(1){
emmanuelchio 0:a38a3a6a3724 46 if(list[i]==','){
emmanuelchio 0:a38a3a6a3724 47 counter ++;
emmanuelchio 0:a38a3a6a3724 48 }
emmanuelchio 0:a38a3a6a3724 49 if(list[i]==0x00){
emmanuelchio 0:a38a3a6a3724 50 return counter;
emmanuelchio 0:a38a3a6a3724 51 }
emmanuelchio 0:a38a3a6a3724 52 i++;
emmanuelchio 0:a38a3a6a3724 53 }
emmanuelchio 0:a38a3a6a3724 54 }
emmanuelchio 0:a38a3a6a3724 55
emmanuelchio 0:a38a3a6a3724 56 /************************************************************************************************/
emmanuelchio 0:a38a3a6a3724 57 //Simple function that returns the name of a given item number of a list
emmanuelchio 0:a38a3a6a3724 58 /************************************************************************************************/
emmanuelchio 0:a38a3a6a3724 59 unsigned char getListNameItem(char *list, unsigned char itemNo, char *name){ // returns the name of the sWav file number 'Item' on the given 'name' buffer; on current buffer, fails or end of items return 0, succesfull returns 1;
emmanuelchio 0:a38a3a6a3724 60 unsigned int i=0;
emmanuelchio 0:a38a3a6a3724 61 unsigned char counter=0,x=0;
emmanuelchio 0:a38a3a6a3724 62
emmanuelchio 0:a38a3a6a3724 63 while(1){
emmanuelchio 0:a38a3a6a3724 64 if(counter==itemNo){
emmanuelchio 0:a38a3a6a3724 65 break;
emmanuelchio 0:a38a3a6a3724 66 }
emmanuelchio 0:a38a3a6a3724 67 while(1){
emmanuelchio 0:a38a3a6a3724 68 if(list[i]==','){
emmanuelchio 0:a38a3a6a3724 69 i++;
emmanuelchio 0:a38a3a6a3724 70 counter ++;
emmanuelchio 0:a38a3a6a3724 71 break;
emmanuelchio 0:a38a3a6a3724 72 }
emmanuelchio 0:a38a3a6a3724 73 if(list[i]==0x00){
emmanuelchio 0:a38a3a6a3724 74 return 0;
emmanuelchio 0:a38a3a6a3724 75 }
emmanuelchio 0:a38a3a6a3724 76 i++;
emmanuelchio 0:a38a3a6a3724 77 }
emmanuelchio 0:a38a3a6a3724 78 }
emmanuelchio 0:a38a3a6a3724 79 while(1){
emmanuelchio 0:a38a3a6a3724 80 name[x]=list[i];
emmanuelchio 0:a38a3a6a3724 81 i++;
emmanuelchio 0:a38a3a6a3724 82 x++;
emmanuelchio 0:a38a3a6a3724 83 if(list[i]==','){
emmanuelchio 0:a38a3a6a3724 84 name[x]=0x00;
emmanuelchio 0:a38a3a6a3724 85 return 1;
emmanuelchio 0:a38a3a6a3724 86 }
emmanuelchio 0:a38a3a6a3724 87 if(x>7){
emmanuelchio 0:a38a3a6a3724 88 return 0;
emmanuelchio 0:a38a3a6a3724 89 }
emmanuelchio 0:a38a3a6a3724 90 }
emmanuelchio 0:a38a3a6a3724 91 }
emmanuelchio 0:a38a3a6a3724 92
emmanuelchio 0:a38a3a6a3724 93 /************************************************************************************************/
emmanuelchio 0:a38a3a6a3724 94 /************************************************************************************************/
emmanuelchio 0:a38a3a6a3724 95 //This function gets the existing folders and songs on the microSD root, and displays them
emmanuelchio 0:a38a3a6a3724 96 void getData(){
emmanuelchio 0:a38a3a6a3724 97 unsigned char x;
emmanuelchio 0:a38a3a6a3724 98 char name[9]={0};
emmanuelchio 0:a38a3a6a3724 99
emmanuelchio 0:a38a3a6a3724 100 wait_ms(50);
emmanuelchio 0:a38a3a6a3724 101 sWav.getFolderList(dirList);
emmanuelchio 0:a38a3a6a3724 102 wait_ms(50);
emmanuelchio 0:a38a3a6a3724 103 sWav.getFileList(playList);
emmanuelchio 0:a38a3a6a3724 104 audioItems=getListItems(playList);
emmanuelchio 0:a38a3a6a3724 105 dirItems=getListItems(dirList);
emmanuelchio 0:a38a3a6a3724 106
emmanuelchio 0:a38a3a6a3724 107 if(dirItems>8){ //Show up to 8 Folders/Dirs
emmanuelchio 0:a38a3a6a3724 108 dirItems=8;
emmanuelchio 0:a38a3a6a3724 109 }
emmanuelchio 0:a38a3a6a3724 110
emmanuelchio 0:a38a3a6a3724 111 if(audioItems>8){ //Show up to 8 audio Items
emmanuelchio 0:a38a3a6a3724 112 audioItems=8;
emmanuelchio 0:a38a3a6a3724 113 }
emmanuelchio 0:a38a3a6a3724 114 //display the folder items
emmanuelchio 0:a38a3a6a3724 115 for(x=0;x<dirItems;x++){
emmanuelchio 0:a38a3a6a3724 116 getListNameItem(dirList,x,name);
emmanuelchio 0:a38a3a6a3724 117 lcd.string(15,70+(x*20),319,239,YELLOW,FONT3,UNFILL,name);
emmanuelchio 0:a38a3a6a3724 118 }
emmanuelchio 0:a38a3a6a3724 119 //display the audio items
emmanuelchio 0:a38a3a6a3724 120 for(x=0;x<audioItems;x++){
emmanuelchio 0:a38a3a6a3724 121 getListNameItem(playList,x,name);
emmanuelchio 0:a38a3a6a3724 122 lcd.string(170,70+(x*20),319,239,YELLOW,FONT3,UNFILL,name);
emmanuelchio 0:a38a3a6a3724 123 }
emmanuelchio 0:a38a3a6a3724 124 //get true total items
emmanuelchio 0:a38a3a6a3724 125 audioItems=getListItems(playList);
emmanuelchio 0:a38a3a6a3724 126 totalAudioItems=audioItems;
emmanuelchio 0:a38a3a6a3724 127 dirItems=getListItems(dirList);
emmanuelchio 0:a38a3a6a3724 128 }
emmanuelchio 0:a38a3a6a3724 129
emmanuelchio 0:a38a3a6a3724 130 /************************************************************************************************/
emmanuelchio 0:a38a3a6a3724 131 /************************************************************************************************/
emmanuelchio 0:a38a3a6a3724 132 //This function search for a song and play it, also displays the song artwork.
emmanuelchio 0:a38a3a6a3724 133 void searchSong(){
emmanuelchio 0:a38a3a6a3724 134 char name[9]={0};
emmanuelchio 0:a38a3a6a3724 135
emmanuelchio 0:a38a3a6a3724 136 if(songPointer>=totalAudioItems){//if we reached the end of items
emmanuelchio 0:a38a3a6a3724 137 songPointer=0;
emmanuelchio 0:a38a3a6a3724 138 }
emmanuelchio 0:a38a3a6a3724 139 while(1){
emmanuelchio 0:a38a3a6a3724 140 getListNameItem(playList,songPointer,name); //get a song file name
emmanuelchio 0:a38a3a6a3724 141 if(sWav.playTrackName(name)=='O'){
emmanuelchio 0:a38a3a6a3724 142 lcd.imageSD(80,25,name);
emmanuelchio 0:a38a3a6a3724 143 lcd.drawRectangle(10,8,75,22,0x0926,FILL); //erase previous song name
emmanuelchio 0:a38a3a6a3724 144 lcd.string(10,8,319,239,WHITE,FONT3,FILL,name); //draw song name
emmanuelchio 0:a38a3a6a3724 145 lcd.string(265,8,319,239,WHITE,FONT2,FILL,"00:00"); //draw the times
emmanuelchio 0:a38a3a6a3724 146 lcd.drawLine(0,204,319,204,BLACK); //draw progress line
emmanuelchio 0:a38a3a6a3724 147 lcd.imageSD(146,208,"pause");
emmanuelchio 0:a38a3a6a3724 148 minutes=0;
emmanuelchio 0:a38a3a6a3724 149 seconds=0;
emmanuelchio 0:a38a3a6a3724 150 progress=0;
emmanuelchio 0:a38a3a6a3724 151 songPointer++; //increase song pointer
emmanuelchio 0:a38a3a6a3724 152 break;
emmanuelchio 0:a38a3a6a3724 153 }else{
emmanuelchio 0:a38a3a6a3724 154 songPointer++; //increase song pointer
emmanuelchio 0:a38a3a6a3724 155 wait_ms(100);
emmanuelchio 0:a38a3a6a3724 156 }
emmanuelchio 0:a38a3a6a3724 157 }
emmanuelchio 0:a38a3a6a3724 158 }
emmanuelchio 0:a38a3a6a3724 159
emmanuelchio 0:a38a3a6a3724 160 /**************************************************/
emmanuelchio 0:a38a3a6a3724 161 /****************** MAIN LOOP *********************/
emmanuelchio 0:a38a3a6a3724 162 /**************************************************/
emmanuelchio 0:a38a3a6a3724 163 /**************************************************/
emmanuelchio 0:a38a3a6a3724 164 /***************************************************/
emmanuelchio 0:a38a3a6a3724 165 int main() {
emmanuelchio 0:a38a3a6a3724 166 unsigned int tick=0; //counter to advance seconds
emmanuelchio 0:a38a3a6a3724 167
emmanuelchio 0:a38a3a6a3724 168 //Those two functions must always be called for SMARTGPU support
emmanuelchio 0:a38a3a6a3724 169 lcd.reset(); //configure the serial and pinout of arduino board for SMARTGPU support
emmanuelchio 0:a38a3a6a3724 170 lcd.start(); //initialize the SMARTGPU processor
emmanuelchio 0:a38a3a6a3724 171 //Those two functions must always be called for SMARTWAV support
emmanuelchio 0:a38a3a6a3724 172 sWav.reset(); //perform an initial reset
emmanuelchio 0:a38a3a6a3724 173 sWav.init(); //initialize the SMARTWAV processor
emmanuelchio 0:a38a3a6a3724 174
emmanuelchio 0:a38a3a6a3724 175 lcd.baudChange(2000000); //set high baud for advanced applications
emmanuelchio 0:a38a3a6a3724 176
emmanuelchio 0:a38a3a6a3724 177 //load main playlist
emmanuelchio 0:a38a3a6a3724 178 lcd.imageSD(0,0,"List");
emmanuelchio 0:a38a3a6a3724 179 lcd.string(5,5,239,239,GREEN,FONT3,UNFILL,"Library Play List:");
emmanuelchio 0:a38a3a6a3724 180 lcd.string(5,40,239,239,GREEN,FONT3,UNFILL,"Folders/Dirs:");
emmanuelchio 0:a38a3a6a3724 181 lcd.string(160,40,319,239,GREEN,FONT3,UNFILL,"Songs/Audio Files:");
emmanuelchio 0:a38a3a6a3724 182 getData(); //get folders and songs and display them
emmanuelchio 0:a38a3a6a3724 183
emmanuelchio 0:a38a3a6a3724 184 //wait_ms for a touch on screen to start playing songs
emmanuelchio 0:a38a3a6a3724 185 while(lcd.touchScreen(touch)==0);
emmanuelchio 0:a38a3a6a3724 186 lcd.imageSD(0,0,"player");
emmanuelchio 0:a38a3a6a3724 187 lcd.drawLine(230,222,271,222,YELLOW);
emmanuelchio 0:a38a3a6a3724 188 lcd.imageSD(266,217,"ball");
emmanuelchio 0:a38a3a6a3724 189 lcd.setTextBackground(0x0926);
emmanuelchio 0:a38a3a6a3724 190
emmanuelchio 0:a38a3a6a3724 191 while(1){
emmanuelchio 0:a38a3a6a3724 192 // search for a song and play it + show artwork
emmanuelchio 0:a38a3a6a3724 193 searchSong();
emmanuelchio 0:a38a3a6a3724 194
emmanuelchio 0:a38a3a6a3724 195 while(1){
emmanuelchio 0:a38a3a6a3724 196 //wait_ms for a touch on screen to perform something
emmanuelchio 0:a38a3a6a3724 197 while(lcd.touchScreen(touch)==0 | touch[YCOORD]<200){
emmanuelchio 0:a38a3a6a3724 198 tick++;
emmanuelchio 0:a38a3a6a3724 199 if(tick > 500){ //if about 1 second have passed- this isn't accurate, the best way to achieve 1 second is by timesr interrupts
emmanuelchio 0:a38a3a6a3724 200 tick=0; //reset counter
emmanuelchio 0:a38a3a6a3724 201 seconds++;
emmanuelchio 0:a38a3a6a3724 202 progress++;
emmanuelchio 0:a38a3a6a3724 203 if(seconds>59){
emmanuelchio 0:a38a3a6a3724 204 minutes++;
emmanuelchio 0:a38a3a6a3724 205 seconds=0;
emmanuelchio 0:a38a3a6a3724 206 }
emmanuelchio 0:a38a3a6a3724 207 times[0]=(minutes/10)+0x30; //get the tens of the minutes and convert them to ascii
emmanuelchio 0:a38a3a6a3724 208 times[1]=(minutes%10)+0x30; //get the ones of the minutes and convert them to ascii
emmanuelchio 0:a38a3a6a3724 209 times[2]=':';
emmanuelchio 0:a38a3a6a3724 210 times[3]=(seconds/10)+0x30; //get the tens of the seconds and convert them to ascii
emmanuelchio 0:a38a3a6a3724 211 times[4]=(seconds%10)+0x30; //get the ones of the seconds and convert them to ascii
emmanuelchio 0:a38a3a6a3724 212 lcd.string(265,8,319,239,WHITE,FONT2,FILL,times); //draw the time
emmanuelchio 0:a38a3a6a3724 213 lcd.drawLine(0,204,progress,204,YELLOW); //draw progress line
emmanuelchio 0:a38a3a6a3724 214
emmanuelchio 0:a38a3a6a3724 215 if(sWav.getStatus()!=0x01){ //if no song is being played-means end of song
emmanuelchio 0:a38a3a6a3724 216 wait_ms(500);
emmanuelchio 0:a38a3a6a3724 217 sWav.stopTrack();
emmanuelchio 0:a38a3a6a3724 218 wait_ms(500);
emmanuelchio 0:a38a3a6a3724 219 searchSong(); //play next songpointer song
emmanuelchio 0:a38a3a6a3724 220 }
emmanuelchio 0:a38a3a6a3724 221 }
emmanuelchio 0:a38a3a6a3724 222 }
emmanuelchio 0:a38a3a6a3724 223
emmanuelchio 0:a38a3a6a3724 224 //decode touch into buttons
emmanuelchio 0:a38a3a6a3724 225 if(touch[XCOORD]>90 & touch[XCOORD]<117){//touch on STOP button
emmanuelchio 0:a38a3a6a3724 226 sWav.stopTrack();
emmanuelchio 0:a38a3a6a3724 227 lcd.imageSD(146,208,"play");
emmanuelchio 0:a38a3a6a3724 228 lcd.string(265,8,319,239,WHITE,FONT2,FILL,"00:00"); //draw the times
emmanuelchio 0:a38a3a6a3724 229 lcd.drawLine(0,204,319,204,BLACK); //draw progress line
emmanuelchio 0:a38a3a6a3724 230 wait_ms(1000);
emmanuelchio 0:a38a3a6a3724 231 //wait_ms for a touch on play button to resume song play-back
emmanuelchio 0:a38a3a6a3724 232 while(lcd.touchScreen(touch)==0 | !(touch[XCOORD]>144 & touch[XCOORD]<173));
emmanuelchio 0:a38a3a6a3724 233 break;
emmanuelchio 0:a38a3a6a3724 234 }else if(touch[XCOORD]>116 & touch[XCOORD]<145){//touch on REWIND button
emmanuelchio 0:a38a3a6a3724 235 sWav.rewindTrack();
emmanuelchio 0:a38a3a6a3724 236 lcd.string(265,8,319,239,WHITE,FONT2,FILL,"00:00"); //draw the times
emmanuelchio 0:a38a3a6a3724 237 lcd.drawLine(0,204,319,204,BLACK); //draw progress line
emmanuelchio 0:a38a3a6a3724 238 minutes=0;
emmanuelchio 0:a38a3a6a3724 239 seconds=0;
emmanuelchio 0:a38a3a6a3724 240 progress=0;
emmanuelchio 0:a38a3a6a3724 241 }else if(touch[XCOORD]>144 & touch[XCOORD]<173){//touch on PAUSE/PLAY button
emmanuelchio 0:a38a3a6a3724 242 sWav.pausePlay();
emmanuelchio 0:a38a3a6a3724 243 lcd.imageSD(146,208,"play");
emmanuelchio 0:a38a3a6a3724 244 wait_ms(1000);
emmanuelchio 0:a38a3a6a3724 245 //wait_ms for a touch on pausePlay button to resume song play-back
emmanuelchio 0:a38a3a6a3724 246 while(lcd.touchScreen(touch)==0 | !(touch[XCOORD]>144 & touch[XCOORD]<173));
emmanuelchio 0:a38a3a6a3724 247 sWav.pausePlay();
emmanuelchio 0:a38a3a6a3724 248 lcd.imageSD(146,208,"pause");
emmanuelchio 0:a38a3a6a3724 249 }else if(touch[XCOORD]>172 & touch[XCOORD]<202){//touch on NEXT button
emmanuelchio 0:a38a3a6a3724 250 sWav.stopTrack();
emmanuelchio 0:a38a3a6a3724 251 wait_ms(200);
emmanuelchio 0:a38a3a6a3724 252 break;
emmanuelchio 0:a38a3a6a3724 253 }else if(touch[XCOORD]>229 & touch[XCOORD]<272){//touch on VOLUME
emmanuelchio 0:a38a3a6a3724 254 lcd.drawLine(touch[XCOORD],222,271,222,BLACK);
emmanuelchio 0:a38a3a6a3724 255 lcd.drawLine(230,222,touch[XCOORD],222,YELLOW);
emmanuelchio 0:a38a3a6a3724 256 lcd.imageSD(touch[XCOORD]-4,217,"ball");
emmanuelchio 0:a38a3a6a3724 257 sWav.volume(214+ (touch[XCOORD]-230));
emmanuelchio 0:a38a3a6a3724 258 }
emmanuelchio 0:a38a3a6a3724 259 wait_ms(200);
emmanuelchio 0:a38a3a6a3724 260 }
emmanuelchio 0:a38a3a6a3724 261 }
emmanuelchio 0:a38a3a6a3724 262 }
emmanuelchio 0:a38a3a6a3724 263
emmanuelchio 0:a38a3a6a3724 264
emmanuelchio 0:a38a3a6a3724 265
emmanuelchio 0:a38a3a6a3724 266