Tony Kennedy
2.4 Speaker Lab
Diff: main.cpp
- Revision:
- 0:651e4ce4996d
--- /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
+ }
+ }
+