Yuanda Zhu
keypad piano project
Dependencies: 4DGL-uLCD-SE SDFileSystem Speaker mbed wave_player
Fork of
Beat_Demo_full_full
by 
James Hawkins
Revision 1:90c01826cdb8, committed 2015-12-08
- Comitter:
- UnitedHolmes
- Date:
- Tue Dec 08 00:45:23 2015 +0000
- Parent:
- 0:81b352a233ca
- Commit message:
- no
Changed in this revision
--- a/Speaker.lib Wed Oct 22 01:17:25 2014 +0000 +++ b/Speaker.lib Tue Dec 08 00:45:23 2015 +0000 @@ -1,1 +1,1 @@ -http://developer.mbed.org/users/zchen311/code/Speaker/#41292907c9cb +https://developer.mbed.org/users/UnitedHolmes/code/Speaker/#bd28eb0ec6f8
--- a/main.cpp Wed Oct 22 01:17:25 2014 +0000
+++ b/main.cpp Tue Dec 08 00:45:23 2015 +0000
@@ -4,270 +4,612 @@
#include "Speaker.h"
#include "SDFileSystem.h"
#include "wave_player.h"
+#include "wavfile.c"
+#include "wavfile.h"
-DigitalOut led1(LED1);
-DigitalOut led2(LED2);
-DigitalOut led3(LED3);
-DigitalOut led4(LED4);
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include "wave_player.h"
SDFileSystem sd(p5, p6, p7, p8,"sd"); //SD card
uLCD_4DGL uLCD(p13,p14,p11);
-AnalogOut DACout(p18);
-wave_player waver(&DACout);
-
-
// Create the interrupt receiver object on pin 26
-InterruptIn interrupt(p26);
-InterruptIn pardon(p25);
+InterruptIn interrupt1(p26);
+InterruptIn interrupt2(p25);
// Setup the i2c bus on pins 9 and 10
-I2C i2c(p9, p10);
+I2C i2c1(p9, p10);
I2C i2c2(p28, p27);
// Setup the Mpr121:
// constructor(i2c object, i2c address of the mpr121)
-Mpr121 mpr121(&i2c, Mpr121::ADD_VSS);
-Mpr121 pad(&i2c2, Mpr121::ADD_VSS);
+Mpr121 tones1pad(&i2c1, Mpr121::ADD_VSS);
+Mpr121 tones2pad(&i2c2, Mpr121::ADD_VSS);
-//Speaker mySpeaker(p21);
+Speaker mySpeaker(p21);
+InterruptIn pb1(p12);
+InterruptIn pb2(p29);
+
+AnalogOut DACout(p18);
+wave_player waver(&DACout);
-int key_code;
-int Past_code;
-int Past_code2;
-bool PlayPtr;
+int key_code [2] = {88,88};
+int touches;
+int music [1000] = { };
+int music2 [1000] = { };
+
+const int NUM_SAMPLES = (WAVFILE_SAMPLES_PER_SECOND*0.2);
+int flagPb;
+bool flagPb2;
+bool flagInterrupt;
// Key hit/release interrupt routine for 1st touchpad
-void fallInterrupt() {
- key_code=77;
- Past_code=77;
- int value=mpr121.read(0x00);
- value +=mpr121.read(0x01)<<8;
+void fallInterrupt1()
+{
+ key_code[0]=88;
+ key_code[1]=88;
+ flagInterrupt = true;
+ int value=tones1pad.read(0x00);
+ value +=tones1pad.read(0x01)<<8;
- // puts key number out to LEDs for demo
+ int k = 0;
for(int i=0; i<12; i++)
- {
-
+ {
if(((value>>i)&0x01) == 1)
{
- key_code = i;
- }
-
+ key_code[k] = i;
+ if (k < 1){
+ k=k+1;
+ }
+ }
}
-
- uLCD.locate(1,2);
- uLCD.printf("%2D",key_code);
- uLCD.cls();
- uLCD.printf("\n%2D\n", key_code);
- uLCD.printf("\n%2D\n", Past_code);
- if(key_code != Past_code)
- {
- PlayPtr = false;
- }
- else
- {
- PlayPtr = true;
- }
- Past_code = key_code;
-
-
+ uLCD.locate(1,2);
+ //uLCD.printf("%2D%2D",key_code[0],key_code[1]);
+ touches = touches + 1;
}
//sets up interrupts for 2nd toucpad
void fallInterrupt2() {
- key_code=77;
- Past_code2=77;
- int value2=pad.read(0x00);
- value2 +=pad.read(0x01)<<8;
+ key_code[0]=88;
+ key_code[1]=88;
+ flagInterrupt = true;
+
+ int value2=tones2pad.read(0x00);
+ value2 +=tones2pad.read(0x01)<<8;
// puts key number out to LEDs for demo
+ int k = 0;
for(int j=0; j<12; j++)
- {
-
+ {
if(((value2>>j)&0x01) == 1)
{
- key_code= j +12;
-
+ key_code [k] = j +12;
+ if (k < 1){
+ k=k+1;
+ }
}
}
- if(key_code != Past_code2)
- {
- PlayPtr = false;
- }
- else
- {
- PlayPtr = true;
- }
- Past_code2 = key_code;
-
-
uLCD.locate(1,3);
- uLCD.printf("%2D",key_code);
-
-
+ //uLCD.printf("%2D%2D",key_code[0],key_code[1]);
+ touches = touches + 1;
}
-
-int main() {
- pardon.fall(&fallInterrupt2);
- pardon.mode(PullUp);
- interrupt.fall(&fallInterrupt);
- interrupt.mode(PullUp);
-
- FILE *wave_file;
-
- while(1)
- {
- switch(key_code) //uses a case for each individual touch sensor
- {
- case 0:
- //mySpeaker.PlayNote(969.0, 0.5, 0.5);
- wave_file = fopen("/sd/piano_G.wav","r");
- waver.play(wave_file, &PlayPtr);
- fclose(wave_file);
- break;
- case 1:
- //mySpeaker.PlayNote(200.0, 0.1, 0.1);
- wave_file = fopen("/sd/piano_F_sharp.wav","r");
- waver.play(wave_file, &PlayPtr);
- fclose(wave_file);
- led1 = 1;
- break;
- case 2:
- //mySpeaker.PlayNote(300.0, 0.1, 0.1);
- wave_file = fopen("/sd/piano_B.wav","r");
- waver.play(wave_file, &PlayPtr);
- fclose(wave_file);
- break;
- case 3:
- //mySpeaker.PlayNote(500.0, 0.15, 0.1);
- wave_file = fopen("/sd/piano_A_sharp.wav","r");
- waver.play(wave_file, &PlayPtr);
- fclose(wave_file);
- break;
- case 4:
- //mySpeaker.PlayNote(700.0, 0.15, 0.1);
- wave_file = fopen("/sd/Gb3.wav","r");
- waver.play(wave_file, &PlayPtr);
- fclose(wave_file);
- break;
- case 5:
- //mySpeaker.PlayNote(600.0, 0.15, 0.1);
- wave_file = fopen("/sd/G3.wav","r");
- waver.play(wave_file, &PlayPtr);
- fclose(wave_file);
- break;
- case 6:
- //mySpeaker.PlayNote(969.0, 0.5, 0.5);
- wave_file = fopen("/sd/F3.wav","r");
- waver.play(wave_file, &PlayPtr);
- fclose(wave_file);
- break;
- case 7:
- //mySpeaker.PlayNote(161.0, 0.25, 0.01);
- wave_file = fopen("/sd/Eb4.wav","r");
- waver.play(wave_file, &PlayPtr);
- fclose(wave_file);
- break;
- case 8:
- //mySpeaker.PlayNote(869.0, 0.5, 0.5);
- wave_file = fopen("/sd/Eb3.wav","r");
- waver.play(wave_file, &PlayPtr);
- fclose(wave_file);
- break;
- case 9:
- //mySpeaker.PlayNote(769.0, 0.5, 0.5);
- wave_file = fopen("/sd/E3.wav","r");
- waver.play(wave_file, &PlayPtr);
- fclose(wave_file);
- break;
- case 10:
- //mySpeaker.PlayNote(669.0, 0.5, 0.5);
- wave_file = fopen("/sd/Db4.wav","r");
- waver.play(wave_file, &PlayPtr);
- fclose(wave_file);
- break;
- case 11:
- //mySpeaker.PlayNote(469.0, 0.5, 0.5);
- wave_file = fopen("/sd/Db3.wav","r");
- waver.play(wave_file, &PlayPtr);
- fclose(wave_file);
- break;
- case 12:
- //mySpeaker.PlayNote(969.0, 0.5, 0.5);
- wave_file = fopen("/sd/D4.wav","r");
- waver.play(wave_file, &PlayPtr);
- fclose(wave_file);
- break;
- case 13:
- //mySpeaker.PlayNote(200.0, 0.1, 0.1);
- wave_file = fopen("/sd/Db3.wav","r");
- waver.play(wave_file, &PlayPtr);
- fclose(wave_file);
- led1 = 1;
- uLCD.printf("Hey");
- break;
- case 14:
- //mySpeaker.PlayNote(300.0, 0.1, 0.1);
- wave_file = fopen("/sd/C4.wav","r");
- waver.play(wave_file, &PlayPtr);
- fclose(wave_file);
- break;
- case 15:
- //mySpeaker.PlayNote(500.0, 0.15, 0.1);
- wave_file = fopen("/sd/C3.wav","r");
- waver.play(wave_file, &PlayPtr);
- fclose(wave_file);
- break;
- case 16:
- //mySpeaker.PlayNote(700.0, 0.15, 0.1);
- wave_file = fopen("/sd/Bb3.wav","r");
- waver.play(wave_file, &PlayPtr);
- fclose(wave_file);
- break;
- case 17:
- //mySpeaker.PlayNote(600.0, 0.15, 0.1);
- wave_file = fopen("/sd/Bb2.wav","r");
- waver.play(wave_file, &PlayPtr);
- fclose(wave_file);
- break;
- case 18:
- //mySpeaker.PlayNote(969.0, 0.5, 0.5);
- wave_file = fopen("/sd/B3.wav","r");
- waver.play(wave_file, &PlayPtr);
- fclose(wave_file);
- break;
- case 19:
- //mySpeaker.PlayNote(161.0, 0.25, 0.01);
- wave_file = fopen("/sd/B2.wav","r");
- waver.play(wave_file, &PlayPtr);
- fclose(wave_file);
- break;
- case 20:
- //mySpeaker.PlayNote(869.0, 0.5, 0.5);
- wave_file = fopen("/sd/Ab3.wav","r");
- waver.play(wave_file, &PlayPtr);
- fclose(wave_file);
- break;
- case 21:
- //mySpeaker.PlayNote(769.0, 0.5, 0.5);
- wave_file = fopen("/sd/A3.wav","r");
- waver.play(wave_file, &PlayPtr);
- fclose(wave_file);
- break;
- case 22:
- //mySpeaker.PlayNote(669.0, 0.5, 0.5);
- wave_file = fopen("/sd/C3.wav","r");
- waver.play(wave_file, &PlayPtr);
- fclose(wave_file);
- break;
- case 23:
- //mySpeaker.PlayNote(469.0, 0.5, 0.5);
- wave_file = fopen("/sd/C4.wav","r");
- waver.play(wave_file, &PlayPtr);
- fclose(wave_file);
- break;
- }
- }
+
+void pb1_hit_interrupt (void)
+{
+ if (flagPb == 0)
+ {
+ touches = 0;
+
+ uLCD.locate(1,1);
+ uLCD.printf("Start Recording");
+ uLCD.locate(1,5);
+ uLCD.printf("Waiting");
+ flagPb = 1;
+
+ }
+ else if (flagPb == 1)
+ {
+ FILE * f = wavfile_open("/sd/Example14.wav");
+ uLCD.locate(1,1);
+ uLCD.printf("Recording ended");
+ uLCD.locate(1,4);
+ uLCD.printf("touches = %d",touches);
+ uLCD.locate(1,6);
+ /*
+ for (int k = 0; k<=touches; k++)
+ {
+ uLCD.printf("%d",music[k]);
+ }
+ */
+ for (int k = 0; k<=touches; k++){
+ short waveform[NUM_SAMPLES];
+ double frequency = music[k]; //880.0;
+ double frequency2 = music2[k];
+ int volume = 32000;
+ int length = NUM_SAMPLES;
+ int i;
+ for(i=0;i<length;i++) {
+ double t = (double) i / WAVFILE_SAMPLES_PER_SECOND;
+ if (frequency2 == 0)
+ {
+ waveform[i] = volume*sin(frequency*t*2*3.1415926);
+ }
+ else if (frequency2 != 0)
+ {
+ waveform[i] = volume*(sin(frequency*t*2*3.1415926)+sin(frequency2*t*2*3.1415926))/2;
+ }
+ }
+ if (music[k] == 0)
+ {
+ int length_short = length*2/9;
+ fwrite(waveform,sizeof(short),length_short,f);
+ }
+ else if (music[k] != 0)
+ {
+ fwrite(waveform,sizeof(short),length,f);
+ }
+ }
+ wavfile_close(f);
+
+ uLCD.locate(1,5);
+ uLCD.printf("Done ");
+ flagPb = 0;
+ }
+}
+
+void pb2_hit_interrupt (void)
+{
+ flagPb2 = true;
+ uLCD.cls();
+ uLCD.locate(1,1);
+ uLCD.printf("Let the fun begin\n");
}
+int main()
+{
+ touches = -1;
+ flagPb = 0;
+ flagInterrupt = false;
+
+ key_code[0] = 88;
+ key_code[1] = 88;
+
+ pb1.fall(&pb1_hit_interrupt);
+ wait(.2);
+ pb1.mode(PullUp);
+ wait(.2);
+
+ pb2.mode(PullUp);
+ wait(.2);
+ pb2.fall(&pb2_hit_interrupt);
+ wait(.2);
+
+ interrupt2.fall(&fallInterrupt2);
+ interrupt2.mode(PullUp);
+ interrupt1.fall(&fallInterrupt1);
+ interrupt1.mode(PullUp);
+
+ while(1)
+ {
+
+ if ( (flagPb == 1) && (flagInterrupt == false ))
+ {
+
+ touches = touches + 1;
+ music[touches] = 0;
+ music2[touches] = 0;
+ wait(0.05);
+ //flagInterrupt = false;
+ }
+
+ if (flagPb2 == true)
+ {
+ FILE *wave_file;
+ uLCD.locate(1,6);
+ uLCD.printf("Playing");
+ wave_file=fopen("/sd/Example14.wav","r");
+ waver.play(wave_file);
+ fclose(wave_file);
+ flagPb2 = false;
+ uLCD.locate(1,7);
+ uLCD.printf("Playing Ended");
+ }
+
+ if (key_code[1] == 88)
+ {
+ music2[touches] = 0;
+ switch(key_code[0]) //uses a case for each individual touch sensor
+ {
+ case 0:
+ mySpeaker.PlayNote(262,0,0.2,1);
+ music[touches] = 262;
+ flagInterrupt = false;
+ mySpeaker.StopPlaying();
+ break;
+ case 1:
+ mySpeaker.PlayNote(277,0,0.2,1);
+ music[touches] = 277;
+ flagInterrupt = false;
+ mySpeaker.StopPlaying();
+ break;
+ case 2:
+ mySpeaker.PlayNote(294,0,0.2,1);
+ music[touches] = 294;
+ flagInterrupt = false;
+ mySpeaker.StopPlaying();
+ break;
+ case 3:
+ mySpeaker.PlayNote(311,0,0.2,1);
+ music[touches] = 311;
+ flagInterrupt = false;
+ mySpeaker.StopPlaying();
+ break;
+ case 4:
+ mySpeaker.PlayNote(330,0,0.2,1);
+ music[touches] = 330;
+ flagInterrupt = false;
+ mySpeaker.StopPlaying();
+ break;
+ case 5:
+ mySpeaker.PlayNote(349,0,0.2,1);
+ music[touches] = 349;
+ flagInterrupt = false;
+ mySpeaker.StopPlaying();
+ break;
+ case 6:
+ mySpeaker.PlayNote(370,0,0.2,1);
+ music[touches] = 370;
+ flagInterrupt = false;
+ mySpeaker.StopPlaying();
+ break;
+ case 7:
+ mySpeaker.PlayNote(392,0,0.2,1);
+ music[touches] = 392;
+ flagInterrupt = false;
+ mySpeaker.StopPlaying();
+ break;
+ case 8:
+ mySpeaker.PlayNote(415,0,0.2,1);
+ music[touches] = 415;
+ flagInterrupt = false;
+ mySpeaker.StopPlaying();
+ break;
+ case 9:
+ mySpeaker.PlayNote(440,0,0.2,1);
+ music[touches] = 440;
+ flagInterrupt = false;
+ mySpeaker.StopPlaying();
+ break;
+ case 10:
+ mySpeaker.PlayNote(466,0,0.2,1);
+ music[touches] = 466;
+ flagInterrupt = false;
+ mySpeaker.StopPlaying();
+ break;
+ case 11:
+ mySpeaker.PlayNote(494,0,0.2,1);
+ music[touches] = 494;
+ flagInterrupt = false;
+ mySpeaker.StopPlaying();
+ break;
+ case 12:
+ mySpeaker.PlayNote(523,0,0.2,1);
+ music[touches] = 523;
+ flagInterrupt = false;
+ mySpeaker.StopPlaying();
+ break;
+ case 13:
+ mySpeaker.PlayNote(554,0,0.2,1);
+ music[touches] = 554;
+ flagInterrupt = false;
+ mySpeaker.StopPlaying();
+ break;
+ case 14:
+ mySpeaker.PlayNote(587,0,0.2,1);
+ music[touches] = 587;
+ flagInterrupt = false;
+ mySpeaker.StopPlaying();
+ break;
+ case 15:
+ mySpeaker.PlayNote(622,0,0.2,1);
+ music[touches] = 622;
+ flagInterrupt = false;
+ mySpeaker.StopPlaying();
+ break;
+ case 16:
+ mySpeaker.PlayNote(659,0,0.2,1);
+ music[touches] = 659;
+ flagInterrupt = false;
+ mySpeaker.StopPlaying();
+ break;
+ case 17:
+ mySpeaker.PlayNote(698,0,0.2,1);
+ music[touches] = 698;
+ flagInterrupt = false;
+ mySpeaker.StopPlaying();
+ break;
+ case 18:
+ mySpeaker.PlayNote(740,0,0.2,1);
+ music[touches] = 740;
+ flagInterrupt = false;
+ mySpeaker.StopPlaying();
+ break;
+ case 19:
+ mySpeaker.PlayNote(784,0,0.2,1);
+ music[touches] = 784;
+ flagInterrupt = false;
+ mySpeaker.StopPlaying();
+ break;
+ case 20:
+ mySpeaker.PlayNote(830,0,0.2,1);
+ music[touches] = 830;
+ flagInterrupt = false;
+ mySpeaker.StopPlaying();
+ break;
+ case 21:
+ mySpeaker.PlayNote(880,0,0.2,1);
+ music[touches] = 830;
+ flagInterrupt = false;
+ mySpeaker.StopPlaying();
+ break;
+ case 22:
+ mySpeaker.PlayNote(932,0,0.2,1);
+ music[touches] = 932;
+ flagInterrupt = false;
+ mySpeaker.StopPlaying();
+ break;
+ case 23:
+ mySpeaker.PlayNote(988,0,0.2,1);
+ music[touches] = 988;
+ flagInterrupt = false;
+ mySpeaker.StopPlaying();
+ break;
+
+ default:
+ music[touches] = 0;
+ flagInterrupt = false;
+
+ }
+ }
+
+ if (key_code[1] != 88) //Overtunes
+ {
+ switch(key_code[0]) //uses a case for each individual touch sensor
+ {
+ case 0:
+ music[touches] = 262;
+ break;
+ case 1:
+ music[touches] = 277;
+ break;
+ case 2:
+ music[touches] = 294;
+ break;
+ case 3:
+ music[touches] = 311;
+ break;
+ case 4:
+ music[touches] = 330;
+ break;
+ case 5:
+ music[touches] = 349;
+ break;
+ case 6:
+ music[touches] = 370;
+ break;
+ case 7:
+ music[touches] = 392;
+ break;
+ case 8:
+ music[touches] = 415;
+ break;
+ case 9:
+ music[touches] = 440;
+ break;
+ case 10:
+ music[touches] = 466;
+ break;
+ case 11:
+ music[touches] = 494;
+ break;
+ case 12:
+ music[touches] = 523;
+ break;
+ case 13:
+ music[touches] = 554;
+ break;
+ case 14:
+ music[touches] = 587;
+ break;
+ case 15:
+ music[touches] = 622;
+ break;
+ case 16:
+ music[touches] = 659;
+ break;
+ case 17:
+ music[touches] = 698;
+ break;
+ case 18:
+ music[touches] = 740;
+ break;
+ case 19:
+ music[touches] = 784;
+ break;
+ case 20:
+ music[touches] = 830;
+ break;
+ case 21:
+ music[touches] = 830;
+ break;
+ case 22:
+ music[touches] = 932;
+ break;
+ case 23:
+ music[touches] = 988;
+ break;
+
+ default:
+ music[touches] = 0;
+
+ }
+
+ switch(key_code[1]) //uses a case for each individual touch sensor
+ {
+ case 0:
+ mySpeaker.PlayNote(music[touches],262,0.2,1);
+ music2[touches] = 262;
+ flagInterrupt = false;
+ mySpeaker.StopPlaying();
+ break;
+ case 1:
+ mySpeaker.PlayNote(music[touches],277,0.2,1);
+ music2[touches] = 277;
+ flagInterrupt = false;
+ mySpeaker.StopPlaying();
+ break;
+ case 2:
+ mySpeaker.PlayNote(music[touches],294,0.2,1);
+ music2[touches] = 294;
+ flagInterrupt = false;
+ mySpeaker.StopPlaying();
+ break;
+ case 3:
+ mySpeaker.PlayNote(music[touches],311,0.2,1);
+ music2[touches] = 311;
+ flagInterrupt = false;
+ mySpeaker.StopPlaying();
+ break;
+ case 4:
+ mySpeaker.PlayNote(music[touches],330,0.2,1);
+ music2[touches] = 330;
+ flagInterrupt = false;
+ mySpeaker.StopPlaying();
+ break;
+ case 5:
+ mySpeaker.PlayNote(music[touches],349,0.2,1);
+ music2[touches] = 349;
+ flagInterrupt = false;
+ mySpeaker.StopPlaying();
+ break;
+ case 6:
+ mySpeaker.PlayNote(music[touches],370,0.2,1);
+ music2[touches] = 370;
+ flagInterrupt = false;
+ mySpeaker.StopPlaying();
+ break;
+ case 7:
+ mySpeaker.PlayNote(music[touches],392,0.2,1);
+ music2[touches] = 392;
+ flagInterrupt = false;
+ mySpeaker.StopPlaying();
+ break;
+ case 8:
+ mySpeaker.PlayNote(music[touches],415,0.2,1);
+ music2[touches] = 415;
+ flagInterrupt = false;
+ mySpeaker.StopPlaying();
+ break;
+ case 9:
+ mySpeaker.PlayNote(music[touches],440,0.2,1);
+ music2[touches] = 440;
+ flagInterrupt = false;
+ mySpeaker.StopPlaying();
+ break;
+ case 10:
+ mySpeaker.PlayNote(music[touches],466,0.2,1);
+ music2[touches] = 466;
+ flagInterrupt = false;
+ mySpeaker.StopPlaying();
+ break;
+ case 11:
+ mySpeaker.PlayNote(music[touches],494,0.2,1);
+ music2[touches] = 494;
+ flagInterrupt = false;
+ mySpeaker.StopPlaying();
+ break;
+ case 12:
+ mySpeaker.PlayNote(music[touches],523,0.2,1);
+ music2[touches] = 523;
+ flagInterrupt = false;
+ mySpeaker.StopPlaying();
+ break;
+ case 13:
+ mySpeaker.PlayNote(music[touches],554,0.2,1);
+ music2[touches] = 554;
+ flagInterrupt = false;
+ mySpeaker.StopPlaying();
+ break;
+ case 14:
+ mySpeaker.PlayNote(music[touches],587,0.2,1);
+ music2[touches] = 587;
+ flagInterrupt = false;
+ mySpeaker.StopPlaying();
+ break;
+ case 15:
+ mySpeaker.PlayNote(music[touches],622,0.2,1);
+ music2[touches] = 622;
+ flagInterrupt = false;
+ mySpeaker.StopPlaying();
+ break;
+ case 16:
+ mySpeaker.PlayNote(music[touches],659,0.2,1);
+ music2[touches] = 659;
+ flagInterrupt = false;
+ mySpeaker.StopPlaying();
+ break;
+ case 17:
+ mySpeaker.PlayNote(music[touches],698,0.2,1);
+ music2[touches] = 698;
+ flagInterrupt = false;
+ mySpeaker.StopPlaying();
+ break;
+ case 18:
+ mySpeaker.PlayNote(music[touches],740,0.2,1);
+ music2[touches] = 740;
+ flagInterrupt = false;
+ mySpeaker.StopPlaying();
+ break;
+ case 19:
+ mySpeaker.PlayNote(music[touches],784,0.2,1);
+ music2[touches] = 784;
+ flagInterrupt = false;
+ mySpeaker.StopPlaying();
+ break;
+ case 20:
+ mySpeaker.PlayNote(music[touches],830,0.2,1);
+ music2[touches] = 830;
+ flagInterrupt = false;
+ mySpeaker.StopPlaying();
+ break;
+ case 21:
+ mySpeaker.PlayNote(music[touches],880,0.2,1);
+ music2[touches] = 830;
+ flagInterrupt = false;
+ mySpeaker.StopPlaying();
+ break;
+ case 22:
+ mySpeaker.PlayNote(music[touches],932,0.2,1);
+ music2[touches] = 932;
+ flagInterrupt = false;
+ mySpeaker.StopPlaying();
+ break;
+ case 23:
+ mySpeaker.PlayNote(music[touches],988,0.2,1);
+ music2[touches] = 988;
+ flagInterrupt = false;
+ mySpeaker.StopPlaying();
+ break;
+
+ default:
+ music2[touches] = 0;
+ flagInterrupt = false;
+
+ }
+ }
+ }
+}
+
--- a/wave_player.lib Wed Oct 22 01:17:25 2014 +0000 +++ b/wave_player.lib Tue Dec 08 00:45:23 2015 +0000 @@ -1,1 +1,1 @@ -http://developer.mbed.org/users/jhawkins38/code/wave_player/#e9f07a617057 +https://developer.mbed.org/users/UnitedHolmes/code/wave_player/#9b0c9c1e365a
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/wavfile.c Tue Dec 08 00:45:23 2015 +0000
@@ -0,0 +1,83 @@
+/*
+A simple sound library for CSE 20211 by Douglas Thain
+For course assignments, you should not change this file.
+For complete documentation, see:
+http://www.nd.edu/~dthain/courses/cse20211/fall2013/wavfile
+*/
+
+#include "wavfile.h"
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+struct wavfile_header {
+ char riff_tag[4];
+ int riff_length;
+ char wave_tag[4];
+ char fmt_tag[4];
+ int fmt_length;
+ short audio_format;
+ short num_channels;
+ int sample_rate;
+ int byte_rate;
+ short block_align;
+ short bits_per_sample;
+ char data_tag[4];
+ int data_length;
+};
+
+FILE * wavfile_open( const char *filename )
+{
+
+ struct wavfile_header header;
+
+ int samples_per_second = WAVFILE_SAMPLES_PER_SECOND;
+ int bits_per_sample = 16;
+
+ strncpy(header.riff_tag,"RIFF",4);
+ strncpy(header.wave_tag,"WAVE",4);
+ strncpy(header.fmt_tag,"fmt ",4);
+ strncpy(header.data_tag,"data",4);
+
+ header.riff_length = 0;
+ header.fmt_length = 16;
+ header.audio_format = 1;
+ header.num_channels = 1;
+ header.sample_rate = samples_per_second;
+ header.byte_rate = samples_per_second*(bits_per_sample/8);
+ header.block_align = bits_per_sample/8;
+ header.bits_per_sample = bits_per_sample;
+ header.data_length = 0;
+
+
+ FILE * file = fopen(filename,"w");
+ if(!file) return 0;
+
+ fwrite(&header,sizeof(header),1,file);
+
+ fflush(file);
+
+ return file;
+
+}
+
+void wavfile_write( FILE *file, short data[], int length )
+{
+ fwrite(data,sizeof(short),length,file);
+}
+
+void wavfile_close( FILE *file )
+{
+ int file_length = ftell(file);
+
+ int data_length = file_length - sizeof(struct wavfile_header);
+ fseek(file,sizeof(struct wavfile_header) - sizeof(int),SEEK_SET);
+ fwrite(&data_length,sizeof(data_length),1,file);
+
+ int riff_length = file_length - 8;
+ fseek(file,4,SEEK_SET);
+ fwrite(&riff_length,sizeof(riff_length),1,file);
+
+ fclose(file);
+}
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/wavfile.h Tue Dec 08 00:45:23 2015 +0000 @@ -0,0 +1,13 @@ +#ifndef WAVFILE_H +#define WAVFILE_H + +#include <stdio.h> +#include <inttypes.h> + +FILE * wavfile_open( const char *filename ); +void wavfile_write( FILE *file, short data[], int length ); +void wavfile_close( FILE * file ); + +#define WAVFILE_SAMPLES_PER_SECOND 4410//44100 + +#endif \ No newline at end of file