David Mc Sherry
/
INS_LAB_Q5
Speaker
Revision 0:8036f3c2c176, committed 2021-08-19
- Comitter:
- t00214916
- Date:
- Thu Aug 19 20:09:19 2021 +0000
- Commit message:
- Speaker
Changed in this revision
main.cpp | Show annotated file Show diff for this revision Revisions of this file |
mbed.bld | Show annotated file Show diff for this revision Revisions of this file |
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/main.cpp Thu Aug 19 20:09:19 2021 +0000 @@ -0,0 +1,27 @@ +#include "mbed.h" +DigitalIn fire(p14); +PwmOut spkr(p26); +AnalogIn pot1(p19); +float start=2000; // Float values to make it easier for second speaker code +float finish=10000; +float step=200; + +int main() +{ + while (1) { + for (float i=start; i<finish; i+=step) { // Same code as original + spkr.period(1.0/i); + spkr=0.5; + wait(0.1); + } + spkr=0.0; + + start += 5000; // The second speaker sequence + if (start >= 5000){ + start = 1000; + } + + + while(pot1.read() < 0.5) {} // this uses the pot to control the program + } +} \ No newline at end of file
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/mbed.bld Thu Aug 19 20:09:19 2021 +0000 @@ -0,0 +1,1 @@ +https://os.mbed.com/users/mbed_official/code/mbed/builds/65be27845400 \ No newline at end of file