Diff: main.cpp

Revision:

0:fe2a62ab1017

Child:

1:db6539dc8ea9

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp	Fri Oct 07 09:41:40 2016 +0000
@@ -0,0 +1,43 @@
+#include "mbed.h"
+#define SERIAL_BAUD 115200  // baud rate for serial communication
+#include "FastPWM.h"
+
+// This program controlls the brightness of a LED using PWM with the potmeter as input
+
+// Serial connection with PC
+Serial pc(USBTX,USBRX);
+
+// Led
+FastPWM led(D7);
+
+// PotmeterIn
+AnalogIn pot(A0);
+
+// Initial duty value and period
+volatile float duty = 0.0;
+volatile float frequency = 100.0;
+const int Timeset_duty_cycle = 1000;
+
+void set_dutycycle() {
+    duty=pot.read();
+    pc.printf("\r\n Potvalue = %f \r\n",duty);
+    led.write(duty/3);
+    }
+
+int main()
+{
+    // Set baud connection with PC
+    pc.baud(SERIAL_BAUD);
+    pc.printf("\r\n ***THERMONUCLEAR WARFARE COMMENCES*** \r\n");
+    
+    // Make tickers and attach
+    Ticker tick_set_brightness;
+    tick_set_brightness.attach(set_dutycycle,1/Timeset_duty_cycle);
+    
+    // Set period of LED
+    led.period(1.0/frequency);
+    
+    while(true){
+        
+    };
+}
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