Diff: main.cpp

Revision:

0:82635173a413

Child:

1:cbee04784c60

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp	Tue Sep 25 13:41:51 2018 +0000
@@ -0,0 +1,47 @@
+/**
+    MBED Analug Output Sawtooth
+    main.cpp
+
+    Purpose:    Output a sawtooth waveform
+                Adjust frequency using variable resistor
+                Adjust amplitude using switch
+
+    @author Russell Shomberg
+    @version 1.0 2018-09-25
+    
+    Issues: NTR
+            
+
+*/
+
+// INCLUDES
+#include "mbed.h"
+
+// INPUTS
+DigitalIn switchPosition(p7);
+AnalogIn Ain(p20); // wire p20 to a variable resister connected from Vref and GND
+
+// OUTPUTS
+Serial pc(USBTX, USBRX);
+AnalogOut Aout(p18);
+
+// VARIABLES
+float ADCdata;
+int frequency;
+int amplitude;
+float i;
+
+int main() {
+    while(1) {
+        for (i=0;i<1;i=i+.01){
+                Aout = i;
+                wait(0.001);
+            }
+/*
+        for (i=1;i>0;i=i-.01) {
+                Aout = i;
+                wait(0.001)
+            }
+*/
+    }
+}