ECE 4180 - Final Project Team / Mbed 2 deprecated WalkieTalkie

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Dependencies:   mbed 4DGL-uLCD-SE mbed-rtos nRF24L01P

Diff: Speaker.cpp

Revision:
33:5d86c111d9bc
Parent:
20:e068469ffb89
diff -r c40d581f50af -r 5d86c111d9bc Speaker.cpp
--- a/Speaker.cpp	Mon Apr 23 16:05:32 2018 +0000
+++ b/Speaker.cpp	Wed Apr 25 15:39:03 2018 +0000
@@ -3,13 +3,14 @@
 
 Speaker::Speaker(PinName pin) : _pin(pin), dc(0.67f / 3.3f) {}
 
+void Speaker::rawWrite(float value) {
+    _pin = value;
+}
+
 void Speaker::write(uint8_t value) {
-    const static float alpha = 0.99999f;
     float sample = (float)value / UINT8_MAX;
     
-    dc = alpha*dc + (1.0f - alpha)*sample;
-    
-    _pin = 0.5f + (sample - dc)* 33.0f;
+    _pin = sample;
 }
 
 void Speaker::turnOff() {