Diff: Buzzer.cpp

Revision:

0:b530d1a3290f

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/Buzzer.cpp	Mon Feb 20 11:20:16 2017 +0000
@@ -0,0 +1,48 @@
+/*
+Mbed class for Buzzer
+*/
+#include "Buzzer.h"
+#include "mbed.h"
+#include "Tones.h"
+
+Buzzer::Buzzer(PinName inPin) : pwm(inPin) {
+    pwm.write(0.0);
+}
+
+void Buzzer::stop() {
+    pwm.write(0.0);
+}
+
+void Buzzer::beep(float freq, float time) {
+    pwm.period(1.0/freq);
+    pwm.write(0.5);            // 50% duty cycle - beep on
+    timeOff.attach(this,&Buzzer::stop, time);   // time to off
+}
+
+void Buzzer::delayBeep(float freq, float time) {
+    pwm.period(1.0/freq);
+    pwm.write(0.5);
+    wait(time);
+    stop();
+}
+
+void Buzzer::sing(Song song){
+    switch (song){
+        case POST_SOUND:
+            beep(C6,0.2);
+        break;
+        case IMPERIAL_MARCH: // just random stuff at the moment
+            delayBeep(G4, 0.5);
+            delayBeep(P, 1);
+            delayBeep(G5, 0.5);
+            delayBeep(P, 1);
+            delayBeep(G6, 0.5);
+        break;
+    }
+}
+void Buzzer::sing(Song song, unsigned short iterations){
+    for (int i = 0; i < iterations; i++){
+        sing(song);
+    }
+}
+