Gopal Nair
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Arch_Play_Music
Use a buzz (piezo) to produce music
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main.cpp
00001 #include "mbed.h" 00002 #include "pitches.h" 00003 00004 DigitalOut myled(LED1); 00005 00006 PwmOut buzzer(PTD4); 00007 00008 //int frequency[] = {NOTE_C4, NOTE_G3,NOTE_G3, NOTE_A3, NOTE_G3, 1, NOTE_B3, NOTE_C4}; 00009 //int beat[] = {4, 8, 8, 4,4,4,4,4 }; 00010 00011 int frequency[] = {NOTE_C5, NOTE_B4,NOTE_G4, NOTE_C5, NOTE_B4,NOTE_E4, 1.0, NOTE_C5,NOTE_C4,NOTE_G4,NOTE_A4,NOTE_C5}; 00012 int beat[] = {16, 16, 16, 8, 8, 16, 32, 16, 16, 16, 8, 8 }; 00013 00014 int main() { 00015 for (int i = 0; i < (sizeof(frequency) / sizeof(int)); i++) { 00016 buzzer.period(1.0 / frequency[i]);//set period 00017 buzzer.write(0.5);//set duty cycle 00018 wait(1.0 / beat[i]); 00019 buzzer.write(0); 00020 wait(0.05); 00021 } 00022 00023 while(1) { 00024 myled = !myled; 00025 wait(1); 00026 } 00027 }
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