main.cpp

00001 #include <mbed.h>
00002 #include <mpr121.h>
00003 #include "uLCD_4DGL.h"
00004 #include "Speaker.h"
00005 #include "SDFileSystem.h"
00006 #include "wave_player.h"
00007 #include "wavfile.c"
00008 #include "wavfile.h"
00009 
00010 #include <stdio.h>
00011 #include <stdlib.h>
00012 #include <string.h>
00013 #include "wave_player.h"
00014 
00015 SDFileSystem sd(p5, p6, p7, p8,"sd"); //SD card
00016 
00017 uLCD_4DGL uLCD(p13,p14,p11);
00018 
00019 // Create the interrupt receiver object on pin 26
00020 InterruptIn interrupt1(p26);
00021 InterruptIn interrupt2(p25);
00022 // Setup the i2c bus on pins 9 and 10
00023 I2C i2c1(p9, p10);
00024 I2C i2c2(p28, p27);
00025 // Setup the Mpr121:
00026 // constructor(i2c object, i2c address of the mpr121)
00027 Mpr121 tones1pad(&i2c1, Mpr121::ADD_VSS);
00028 Mpr121 tones2pad(&i2c2, Mpr121::ADD_VSS);
00029 
00030 Speaker mySpeaker(p21);
00031 InterruptIn pb1(p12);
00032 InterruptIn pb2(p29);
00033 
00034 AnalogOut DACout(p18);
00035 wave_player waver(&DACout);
00036 
00037 int key_code [2] = {88,88};
00038 int touches;
00039 int music [1000] = { };
00040 int music2 [1000] = { };
00041 
00042 const int NUM_SAMPLES = (WAVFILE_SAMPLES_PER_SECOND*0.2);
00043 int flagPb;
00044 bool flagPb2;
00045 bool flagInterrupt;
00046  
00047 // Key hit/release interrupt routine for 1st touchpad
00048 void fallInterrupt1()
00049 {
00050   key_code[0]=88;
00051   key_code[1]=88;
00052   flagInterrupt = true;
00053   
00054   int value=tones1pad.read(0x00);
00055   value +=tones1pad.read(0x01)<<8;  
00056   
00057   int k = 0;  
00058   for(int i=0; i<12; i++) 
00059   {    
00060     if(((value>>i)&0x01) == 1)
00061     {
00062         key_code[k] = i;
00063         if (k < 1){
00064             k=k+1;
00065         }
00066     }    
00067   }
00068   uLCD.locate(1,2);
00069   //uLCD.printf("%2D%2D",key_code[0],key_code[1]);
00070   touches = touches + 1;
00071 }
00072 
00073 //sets up interrupts for 2nd toucpad
00074 void fallInterrupt2() {
00075   key_code[0]=88;
00076   key_code[1]=88;
00077   flagInterrupt = true;
00078   
00079   int value2=tones2pad.read(0x00);
00080   value2 +=tones2pad.read(0x01)<<8;
00081   
00082   // puts key number out to LEDs for demo
00083   int k = 0;
00084   for(int j=0; j<12; j++) 
00085   {        
00086     if(((value2>>j)&0x01) == 1)
00087     {
00088         key_code [k] = j +12;        
00089         if (k < 1){
00090             k=k+1;
00091         }
00092     }
00093   }
00094   
00095   uLCD.locate(1,3);
00096   //uLCD.printf("%2D%2D",key_code[0],key_code[1]);
00097   touches = touches + 1;
00098 }
00099 
00100 void pb1_hit_interrupt (void)
00101 {      
00102     if (flagPb == 0)
00103     {
00104         touches = 0;
00105         
00106         uLCD.locate(1,1);
00107         uLCD.printf("Start Recording");
00108         uLCD.locate(1,5);
00109         uLCD.printf("Waiting");
00110         flagPb = 1;
00111 
00112     }
00113     else if (flagPb == 1)
00114     {
00115         FILE * f = wavfile_open("/sd/Example14.wav");
00116         uLCD.locate(1,1);
00117         uLCD.printf("Recording ended");
00118         uLCD.locate(1,4);
00119         uLCD.printf("touches = %d",touches);
00120         uLCD.locate(1,6);
00121         /*
00122         for (int k = 0; k<=touches; k++)
00123         {
00124             uLCD.printf("%d",music[k]);
00125         }
00126         */  
00127         for (int k = 0; k<=touches; k++){
00128             short waveform[NUM_SAMPLES];
00129             double frequency = music[k]; //880.0;
00130             double frequency2 = music2[k];            
00131             int volume = 32000;            
00132             int length = NUM_SAMPLES;   
00133             int i;
00134             for(i=0;i<length;i++) {
00135                 double t = (double) i / WAVFILE_SAMPLES_PER_SECOND;
00136                 if (frequency2 == 0)
00137                 {
00138                     waveform[i] = volume*sin(frequency*t*2*3.1415926);
00139                 }
00140                 else if (frequency2 != 0)
00141                 {
00142                     waveform[i] = volume*(sin(frequency*t*2*3.1415926)+sin(frequency2*t*2*3.1415926))/2;
00143                 }
00144             }
00145             if (music[k] == 0)
00146             {
00147                 int length_short = length*2/9;
00148                 fwrite(waveform,sizeof(short),length_short,f);
00149             }
00150             else if (music[k] != 0)
00151             {
00152                 fwrite(waveform,sizeof(short),length,f);
00153             }
00154         }
00155         wavfile_close(f);        
00156                
00157         uLCD.locate(1,5);
00158         uLCD.printf("Done   ");
00159         flagPb = 0;
00160     }    
00161 }
00162 
00163 void pb2_hit_interrupt (void)
00164 {
00165     flagPb2 = true;
00166     uLCD.cls();
00167     uLCD.locate(1,1);
00168     uLCD.printf("Let the fun begin\n");
00169 }
00170 
00171 int main()
00172 {    
00173     touches = -1;
00174     flagPb = 0;
00175     flagInterrupt = false;
00176     
00177     key_code[0] = 88;
00178     key_code[1] = 88;
00179     
00180     pb1.fall(&pb1_hit_interrupt);
00181     wait(.2);
00182     pb1.mode(PullUp);
00183     wait(.2);
00184     
00185     pb2.mode(PullUp);
00186     wait(.2);
00187     pb2.fall(&pb2_hit_interrupt);
00188     wait(.2);
00189      
00190     interrupt2.fall(&fallInterrupt2);
00191     interrupt2.mode(PullUp);
00192     interrupt1.fall(&fallInterrupt1);
00193     interrupt1.mode(PullUp);
00194         
00195     while(1)
00196     {
00197             
00198       if ( (flagPb == 1) && (flagInterrupt == false ))
00199       {
00200           
00201           touches = touches + 1;
00202           music[touches] = 0;
00203           music2[touches] = 0;
00204           wait(0.05);
00205           //flagInterrupt = false;
00206       }
00207       
00208       if (flagPb2 == true)
00209       { 
00210         FILE *wave_file;
00211         uLCD.locate(1,6);
00212         uLCD.printf("Playing");    
00213         wave_file=fopen("/sd/Example14.wav","r");
00214         waver.play(wave_file);        
00215         fclose(wave_file);
00216         flagPb2 = false;
00217         uLCD.locate(1,7);
00218         uLCD.printf("Playing Ended");
00219       }
00220       
00221       if (key_code[1] == 88)
00222       {
00223         music2[touches] = 0;
00224         switch(key_code[0]) //uses a case for each individual touch sensor
00225         {            
00226             case 0:
00227                 mySpeaker.PlayNote(262,0,0.2,1);
00228                 music[touches] = 262;
00229                 flagInterrupt = false;
00230                 mySpeaker.StopPlaying();         
00231                 break;
00232             case 1:
00233                 mySpeaker.PlayNote(277,0,0.2,1);
00234                 music[touches] = 277;
00235                 flagInterrupt = false;
00236                 mySpeaker.StopPlaying();
00237                 break;
00238             case 2:
00239                 mySpeaker.PlayNote(294,0,0.2,1);
00240                 music[touches] = 294;
00241                 flagInterrupt = false;
00242                 mySpeaker.StopPlaying();
00243                 break;
00244             case 3:
00245                 mySpeaker.PlayNote(311,0,0.2,1);
00246                 music[touches] = 311;
00247                 flagInterrupt = false;
00248                 mySpeaker.StopPlaying();
00249                 break;
00250             case 4:
00251                 mySpeaker.PlayNote(330,0,0.2,1);
00252                 music[touches] = 330;
00253                 flagInterrupt = false;
00254                 mySpeaker.StopPlaying();
00255                 break;
00256             case 5:
00257                 mySpeaker.PlayNote(349,0,0.2,1);
00258                 music[touches] = 349;
00259                 flagInterrupt = false;
00260                 mySpeaker.StopPlaying();
00261                 break;
00262             case 6:
00263                 mySpeaker.PlayNote(370,0,0.2,1);
00264                 music[touches] = 370;
00265                 flagInterrupt = false;
00266                 mySpeaker.StopPlaying();
00267                 break;
00268             case 7:
00269                 mySpeaker.PlayNote(392,0,0.2,1);
00270                 music[touches] = 392;
00271                 flagInterrupt = false;
00272                 mySpeaker.StopPlaying();
00273                 break;
00274             case 8:
00275                 mySpeaker.PlayNote(415,0,0.2,1);
00276                 music[touches] = 415;
00277                 flagInterrupt = false;
00278                 mySpeaker.StopPlaying();
00279                 break;
00280             case 9:
00281                 mySpeaker.PlayNote(440,0,0.2,1);
00282                 music[touches] = 440;
00283                 flagInterrupt = false;
00284                 mySpeaker.StopPlaying();
00285                 break;
00286             case 10:
00287                 mySpeaker.PlayNote(466,0,0.2,1);
00288                 music[touches] = 466;
00289                 flagInterrupt = false;
00290                 mySpeaker.StopPlaying();
00291                 break;
00292             case 11:
00293                 mySpeaker.PlayNote(494,0,0.2,1);
00294                 music[touches] = 494;
00295                 flagInterrupt = false;
00296                 mySpeaker.StopPlaying();
00297                 break;
00298             case 12:
00299                 mySpeaker.PlayNote(523,0,0.2,1);
00300                 music[touches] = 523;
00301                 flagInterrupt = false;
00302                 mySpeaker.StopPlaying();
00303                 break;
00304             case 13:
00305                 mySpeaker.PlayNote(554,0,0.2,1);
00306                 music[touches] = 554;
00307                 flagInterrupt = false;
00308                 mySpeaker.StopPlaying();
00309                 break;
00310             case 14:
00311                 mySpeaker.PlayNote(587,0,0.2,1);
00312                 music[touches] = 587;
00313                 flagInterrupt = false;
00314                 mySpeaker.StopPlaying();
00315                 break;
00316             case 15:
00317                 mySpeaker.PlayNote(622,0,0.2,1);
00318                 music[touches] = 622;
00319                 flagInterrupt = false;
00320                 mySpeaker.StopPlaying();
00321                 break;
00322             case 16:
00323                 mySpeaker.PlayNote(659,0,0.2,1);
00324                 music[touches] = 659;
00325                 flagInterrupt = false;
00326                 mySpeaker.StopPlaying();
00327                 break;
00328             case 17:
00329                 mySpeaker.PlayNote(698,0,0.2,1);
00330                 music[touches] = 698;
00331                 flagInterrupt = false;
00332                 mySpeaker.StopPlaying();
00333                 break;
00334             case 18:
00335                 mySpeaker.PlayNote(740,0,0.2,1);
00336                 music[touches] = 740;
00337                 flagInterrupt = false;
00338                 mySpeaker.StopPlaying();
00339                 break;
00340             case 19:
00341                 mySpeaker.PlayNote(784,0,0.2,1);
00342                 music[touches] = 784;
00343                 flagInterrupt = false;
00344                 mySpeaker.StopPlaying();
00345                 break;
00346             case 20:
00347                 mySpeaker.PlayNote(830,0,0.2,1);
00348                 music[touches] = 830;
00349                 flagInterrupt = false;
00350                 mySpeaker.StopPlaying();
00351                 break;
00352             case 21:
00353                 mySpeaker.PlayNote(880,0,0.2,1);
00354                 music[touches] = 830;
00355                 flagInterrupt = false;
00356                 mySpeaker.StopPlaying();
00357                 break;
00358             case 22:
00359                 mySpeaker.PlayNote(932,0,0.2,1);
00360                 music[touches] = 932;
00361                 flagInterrupt = false;
00362                 mySpeaker.StopPlaying();
00363                 break;
00364             case 23:
00365                 mySpeaker.PlayNote(988,0,0.2,1);
00366                 music[touches] = 988;
00367                 flagInterrupt = false;
00368                 mySpeaker.StopPlaying();
00369                 break;
00370             
00371             default:
00372                 music[touches] = 0;
00373                 flagInterrupt = false;
00374             
00375         }
00376       }
00377       
00378       if (key_code[1] != 88) //Overtunes
00379       {
00380         switch(key_code[0]) //uses a case for each individual touch sensor
00381         {            
00382             case 0:
00383                 music[touches] = 262;                         
00384                 break;
00385             case 1:
00386                 music[touches] = 277;
00387                 break;
00388             case 2:
00389                 music[touches] = 294;
00390                 break;
00391             case 3:
00392                 music[touches] = 311;
00393                 break;
00394             case 4:
00395                 music[touches] = 330;
00396                 break;
00397             case 5:
00398                 music[touches] = 349;
00399                 break;
00400             case 6:
00401                 music[touches] = 370;
00402                 break;
00403             case 7:
00404                 music[touches] = 392;
00405                 break;
00406             case 8:
00407                 music[touches] = 415;
00408                 break;
00409             case 9:
00410                 music[touches] = 440;
00411                 break;
00412             case 10:
00413                 music[touches] = 466;
00414                 break;
00415             case 11:
00416                 music[touches] = 494;
00417                 break;
00418             case 12:
00419                 music[touches] = 523;
00420                 break;
00421             case 13:
00422                 music[touches] = 554;
00423                 break;
00424             case 14:
00425                 music[touches] = 587;
00426                 break;
00427             case 15:
00428                 music[touches] = 622;
00429                 break;
00430             case 16:
00431                 music[touches] = 659;
00432                 break;
00433             case 17:
00434                 music[touches] = 698;
00435                 break;
00436             case 18:
00437                 music[touches] = 740;
00438                 break;
00439             case 19:
00440                 music[touches] = 784;
00441                 break;
00442             case 20:
00443                 music[touches] = 830;
00444                 break;
00445             case 21:
00446                 music[touches] = 830;
00447                 break;
00448             case 22:
00449                 music[touches] = 932;
00450                 break;
00451             case 23:
00452                 music[touches] = 988;
00453                 break;
00454             
00455             default:
00456                 music[touches] = 0;
00457             
00458         }
00459         
00460         switch(key_code[1]) //uses a case for each individual touch sensor
00461         {            
00462             case 0:
00463                 mySpeaker.PlayNote(music[touches],262,0.2,1);
00464                 music2[touches] = 262;
00465                 flagInterrupt = false;
00466                 mySpeaker.StopPlaying();         
00467                 break;
00468             case 1:
00469                 mySpeaker.PlayNote(music[touches],277,0.2,1);
00470                 music2[touches] = 277;
00471                 flagInterrupt = false;
00472                 mySpeaker.StopPlaying();
00473                 break;
00474             case 2:
00475                 mySpeaker.PlayNote(music[touches],294,0.2,1);
00476                 music2[touches] = 294;
00477                 flagInterrupt = false;
00478                 mySpeaker.StopPlaying();
00479                 break;
00480             case 3:
00481                 mySpeaker.PlayNote(music[touches],311,0.2,1);
00482                 music2[touches] = 311;
00483                 flagInterrupt = false;
00484                 mySpeaker.StopPlaying();
00485                 break;
00486             case 4:
00487                 mySpeaker.PlayNote(music[touches],330,0.2,1);
00488                 music2[touches] = 330;
00489                 flagInterrupt = false;
00490                 mySpeaker.StopPlaying();
00491                 break;
00492             case 5:
00493                 mySpeaker.PlayNote(music[touches],349,0.2,1);
00494                 music2[touches] = 349;
00495                 flagInterrupt = false;
00496                 mySpeaker.StopPlaying();
00497                 break;
00498             case 6:
00499                 mySpeaker.PlayNote(music[touches],370,0.2,1);
00500                 music2[touches] = 370;
00501                 flagInterrupt = false;
00502                 mySpeaker.StopPlaying();
00503                 break;
00504             case 7:
00505                 mySpeaker.PlayNote(music[touches],392,0.2,1);
00506                 music2[touches] = 392;
00507                 flagInterrupt = false;
00508                 mySpeaker.StopPlaying();
00509                 break;
00510             case 8:
00511                 mySpeaker.PlayNote(music[touches],415,0.2,1);
00512                 music2[touches] = 415;
00513                 flagInterrupt = false;
00514                 mySpeaker.StopPlaying();
00515                 break;
00516             case 9:
00517                 mySpeaker.PlayNote(music[touches],440,0.2,1);
00518                 music2[touches] = 440;
00519                 flagInterrupt = false;
00520                 mySpeaker.StopPlaying();
00521                 break;
00522             case 10:
00523                 mySpeaker.PlayNote(music[touches],466,0.2,1);
00524                 music2[touches] = 466;
00525                 flagInterrupt = false;
00526                 mySpeaker.StopPlaying();
00527                 break;
00528             case 11:
00529                 mySpeaker.PlayNote(music[touches],494,0.2,1);
00530                 music2[touches] = 494;
00531                 flagInterrupt = false;
00532                 mySpeaker.StopPlaying();
00533                 break;
00534             case 12:
00535                 mySpeaker.PlayNote(music[touches],523,0.2,1);
00536                 music2[touches] = 523;
00537                 flagInterrupt = false;
00538                 mySpeaker.StopPlaying();
00539                 break;
00540             case 13:
00541                 mySpeaker.PlayNote(music[touches],554,0.2,1);
00542                 music2[touches] = 554;
00543                 flagInterrupt = false;
00544                 mySpeaker.StopPlaying();
00545                 break;
00546             case 14:
00547                 mySpeaker.PlayNote(music[touches],587,0.2,1);
00548                 music2[touches] = 587;
00549                 flagInterrupt = false;
00550                 mySpeaker.StopPlaying();
00551                 break;
00552             case 15:
00553                 mySpeaker.PlayNote(music[touches],622,0.2,1);
00554                 music2[touches] = 622;
00555                 flagInterrupt = false;
00556                 mySpeaker.StopPlaying();
00557                 break;
00558             case 16:
00559                 mySpeaker.PlayNote(music[touches],659,0.2,1);
00560                 music2[touches] = 659;
00561                 flagInterrupt = false;
00562                 mySpeaker.StopPlaying();
00563                 break;
00564             case 17:
00565                 mySpeaker.PlayNote(music[touches],698,0.2,1);
00566                 music2[touches] = 698;
00567                 flagInterrupt = false;
00568                 mySpeaker.StopPlaying();
00569                 break;
00570             case 18:
00571                 mySpeaker.PlayNote(music[touches],740,0.2,1);
00572                 music2[touches] = 740;
00573                 flagInterrupt = false;
00574                 mySpeaker.StopPlaying();
00575                 break;
00576             case 19:
00577                 mySpeaker.PlayNote(music[touches],784,0.2,1);
00578                 music2[touches] = 784;
00579                 flagInterrupt = false;
00580                 mySpeaker.StopPlaying();
00581                 break;
00582             case 20:
00583                 mySpeaker.PlayNote(music[touches],830,0.2,1);
00584                 music2[touches] = 830;
00585                 flagInterrupt = false;
00586                 mySpeaker.StopPlaying();
00587                 break;
00588             case 21:
00589                 mySpeaker.PlayNote(music[touches],880,0.2,1);
00590                 music2[touches] = 830;
00591                 flagInterrupt = false;
00592                 mySpeaker.StopPlaying();
00593                 break;
00594             case 22:
00595                 mySpeaker.PlayNote(music[touches],932,0.2,1);
00596                 music2[touches] = 932;
00597                 flagInterrupt = false;
00598                 mySpeaker.StopPlaying();
00599                 break;
00600             case 23:
00601                 mySpeaker.PlayNote(music[touches],988,0.2,1);
00602                 music2[touches] = 988;
00603                 flagInterrupt = false;
00604                 mySpeaker.StopPlaying();
00605                 break;
00606             
00607             default:
00608                 music2[touches] = 0;
00609                 flagInterrupt = false;
00610             
00611         }        
00612       }
00613     }
00614 }
00615