Tony Kennedy
/
speaker
2.4 Speaker Lab
Diff: main.cpp
- Revision:
- 0:651e4ce4996d
diff -r 000000000000 -r 651e4ce4996d main.cpp --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/main.cpp Thu Jun 25 11:00:03 2020 +0000 @@ -0,0 +1,29 @@ +#include "mbed.h" + +DigitalIn fire(p14); +PwmOut spkr(p26); +AnalogIn pot1(p19); +float start = 2000.0; +float end = 10000.0; +float step = 100; + +int main() { + + while(1) { + + for (float i= 2000.0; i<10000.0; i+=100) { + spkr.period(1.0/i); + spkr=0.5; + wait(0.1); + } + for (float i = start; i<end; i+=step){ + spkr.period(1.0/i); + spkr=0.7; + wait(0.3); + } + spkr=0.0; + start = 3000.0; + while(pot1.read() <0.5) {} //this uses the pot to control the program + } + } +