niall behan
lab2.5 instru
Diff: main.cpp
- Revision:
- 0:55482a69d9e9
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp Sat Apr 13 14:51:20 2019 +0000
@@ -0,0 +1,24 @@
+#include "mbed.h"
+
+DigitalIn fire(p14);
+PwmOut spkr(p26);
+
+int main()
+{
+ while(1) {
+ for (float i=2000.0; i<5000.0; i+=100)
+ {
+ spkr.period(1.0/i);
+ spkr=0.5;
+ wait(0.1);
+ }
+ for (float i=5000.0; i>2000.0; i-=100)
+ {
+ spkr.period(1.0/i);
+ spkr=0.5;
+ wait(0.1);
+ }
+ spkr=0.0;
+ while (!fire) {}
+ }
+}