Alberto Piganti
/
blip_playnotes
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Fork of
song_demo_PWM
by 
jim hamblen
main.cpp@2:85d8ce475baa, 2015-11-26 (annotated)
- Committer:
- pighixxx
- Date:
- Thu Nov 26 09:28:03 2015 +0000
- Revision:
- 2:85d8ce475baa
- Parent:
- 1:2e6ea42675c7
miniblip play notes example
Who changed what in which revision?
| User | Revision | Line number | New contents of line |
|---|---|---|---|
| pighixxx | 2:85d8ce475baa | 1 | // miniblip play notes with interrupts - Not tested with led matrix |
| pighixxx | 2:85d8ce475baa | 2 | // For documentation see http://mbed.org/users/4180_1/notebook/using-a-speaker-for-audio-output/ |
| pighixxx | 2:85d8ce475baa | 3 | |
| 4180_1 | 0:b2fdf3770282 | 4 | #include "mbed.h" |
| 4180_1 | 1:2e6ea42675c7 | 5 | #include "SongPlayer.h" |
| 4180_1 | 0:b2fdf3770282 | 6 | |
| 4180_1 | 1:2e6ea42675c7 | 7 | //Set up notes and durations for sample song to play |
| 4180_1 | 1:2e6ea42675c7 | 8 | // A 0.0 duration note at end terminates song play |
| 4180_1 | 1:2e6ea42675c7 | 9 | float note[18]= {1568.0,1396.9,1244.5,1244.5,1396.9,1568.0,1568.0,1568.0,1396.9, |
| 4180_1 | 1:2e6ea42675c7 | 10 | 1244.5,1396.9,1568.0,1396.9,1244.5,1174.7,1244.5,1244.5, 0.0 |
| 4180_1 | 1:2e6ea42675c7 | 11 | }; |
| 4180_1 | 1:2e6ea42675c7 | 12 | float duration[18]= {0.48,0.24,0.72,0.48,0.24,0.48,0.24,0.24,0.24, |
| 4180_1 | 1:2e6ea42675c7 | 13 | 0.24,0.24,0.24,0.24,0.48,0.24,0.48,0.48, 0.0 |
| 4180_1 | 1:2e6ea42675c7 | 14 | }; |
| 4180_1 | 1:2e6ea42675c7 | 15 | |
| 4180_1 | 0:b2fdf3770282 | 16 | int main() |
| 4180_1 | 0:b2fdf3770282 | 17 | { |
| pighixxx | 2:85d8ce475baa | 18 | // Buzzer pin |
| pighixxx | 2:85d8ce475baa | 19 | SongPlayer mySpeaker(P0_8); |
| pighixxx | 2:85d8ce475baa | 20 | // Start song and return once playing starts |
| 4180_1 | 1:2e6ea42675c7 | 21 | mySpeaker.PlaySong(note,duration); |
| 4180_1 | 1:2e6ea42675c7 | 22 | // loops forever while song continues to play to end using interrupts |
| 4180_1 | 0:b2fdf3770282 | 23 | while(1) { |
| 4180_1 | 1:2e6ea42675c7 | 24 | wait(.1); |
| 4180_1 | 0:b2fdf3770282 | 25 | } |
| 4180_1 | 0:b2fdf3770282 | 26 | } |
| 4180_1 | 1:2e6ea42675c7 | 27 |