Diff: main.cpp

Revision:

0:9eb94736e774

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp	Sun Dec 08 19:04:44 2013 +0000
@@ -0,0 +1,60 @@
+#include "mbed.h"
+#include "PwmOutAny.h"
+
+ Timer t;
+
+ InterruptIn SquareIn (p22);
+ DigitalOut status (LED1);
+
+
+
+PwmOutAny newPwm (p25,.0001,.50);
+
+void measure_Period()    // this is a test function it looks at a square wave on pin p22 and uses its freq. as the base freq. for the PWM.
+{
+	static bool first = true;
+	static float InputPeriod = .0001;
+  static unsigned int count = 0;
+	if(first)
+	{
+		t.reset();
+		t.start();
+		first = false;
+	}
+	else
+	{
+		
+		InputPeriod = (InputPeriod + t.read())/2;
+		newPwm.Set_Period(InputPeriod);
+		status = ! status;
+		t.reset();
+		t.start();
+		count++;
+	}
+	
+}
+
+
+int main()
+	{
+	
+    SquareIn.rise(&measure_Period);
+		
+		while(1)
+		{
+    for(float t=0;t<=1;t+=.01)
+			{
+				newPwm.Set_PulseWidth(t);
+				wait(.1);
+			}
+		for(float t=1;t>=0;t-=.01)
+			{
+				newPwm.Set_PulseWidth(t);
+				wait(.1);
+			}
+
+			
+		}
+		
+	}	
+