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change tone sounds by altering the waveforms
Dependencies: mbed
Fork of 5_songs by
Diff: main.cpp
- Revision:
- 9:bf01a27b649f
- Parent:
- 8:77227ecac915
diff -r 77227ecac915 -r bf01a27b649f main.cpp --- a/main.cpp Sat May 21 16:13:12 2016 +0000 +++ b/main.cpp Sat May 21 17:20:54 2016 +0000 @@ -14,7 +14,7 @@ static void play_tone(int tone, int duration) { int tone_period_us = 1000000/tone; -/* + for (long i = 0; i < duration * 1000L; i += tone_period_us * 2) { // let's change the buzzer's volume depending on how far we are @@ -25,7 +25,7 @@ buzzer = 0.0f; wait_us(tone_period_us); } -*/ +/* #define PI 3.14159265 for (long i = 0; i < duration * 1000L; i += tone_period_us * 2) { @@ -41,7 +41,7 @@ } buzzer = 0.0f; - +*/ } static void play_song(int notes_left, int* melody, int* duration) {