Bertie Harte / Mbed 2 deprecated Intrumentation_lab_2_4_1_Speakermodified

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Dependencies:   mbed

Diff: main.cpp

Revision:
0:5742b01051e5
Child:
1:760c5b759868
diff -r 000000000000 -r 5742b01051e5 main.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp	Sun Jul 28 09:44:44 2019 +0000
@@ -0,0 +1,16 @@
+#include "mbed.h"
+
+DigitalIn fire(p14); // centre pin of joystick.
+PwmOut spkr(p26); // speaker output
+
+int main() {
+    while(1) {
+        for (float i=2000.0; i<10000; i+=100) { // increment i by 200 each loop if the value at teh start of the loo is less than 1000
+            spkr.period(1.0/i);
+            spkr=0.5;
+            wait(0.1);
+    }
+    spkr=0.0;
+    while(!fire) {}
+    }
+}