In this waveplayer, the wave file will be keep looping after the waiting time. For the wave file, my format is 11khz 8bit mono. You might need to have a op-amp across the mbed and speaker as the signal will be very small
Dependencies: mbed wave_player
main.cpp@0:e0d156143789, 2011-11-22 (annotated)
- Committer:
- daryl2110
- Date:
- Tue Nov 22 08:12:12 2011 +0000
- Revision:
- 0:e0d156143789
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
daryl2110 | 0:e0d156143789 | 1 | #include "mbed.h" |
daryl2110 | 0:e0d156143789 | 2 | #include "wave_player.h" |
daryl2110 | 0:e0d156143789 | 3 | |
daryl2110 | 0:e0d156143789 | 4 | LocalFileSystem local("loc"); |
daryl2110 | 0:e0d156143789 | 5 | AnalogOut DACout(p18); |
daryl2110 | 0:e0d156143789 | 6 | wave_player waver(&DACout); |
daryl2110 | 0:e0d156143789 | 7 | |
daryl2110 | 0:e0d156143789 | 8 | int main() { |
daryl2110 | 0:e0d156143789 | 9 | FILE *fp = fopen("/loc/Hello.wav", "r"); |
daryl2110 | 0:e0d156143789 | 10 | while (1) |
daryl2110 | 0:e0d156143789 | 11 | { |
daryl2110 | 0:e0d156143789 | 12 | waver.play(fp); |
daryl2110 | 0:e0d156143789 | 13 | fseek(fp, 0, SEEK_SET); // set file poiter to beginning |
daryl2110 | 0:e0d156143789 | 14 | wait(3.0); |
daryl2110 | 0:e0d156143789 | 15 | printf("File Playing\n"); |
daryl2110 | 0:e0d156143789 | 16 | } |
daryl2110 | 0:e0d156143789 | 17 | fclose(fp); |
daryl2110 | 0:e0d156143789 | 18 | } |