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Pulsweitenmodulation - Generieren eines x Hz Tones mittels PWM
Dependencies: mbed
Fork of PwmOut by
main.cpp
- Committer:
- stefan1691
- Date:
- 2015-09-06
- Revision:
- 3:f40b90476234
- Parent:
- 1:4842c28f7ee3
File content as of revision 3:f40b90476234:
/** Pulsweitenmodulation - Generieren eines x Hz Tones mittels PWM */ #include "mbed.h" PwmOut speaker( D7 ); int main() { while ( 1 ) { // Polizei Sirene speaker.period( 1.0 / 3969.0 ); // 3969 = Tonfrequenz in Hz speaker = 0.5f; wait( 0.5f ); speaker.period( 1.0 / 2800.0 ); wait( 0.5f ); } }