Diff: main.cpp

Revision:

0:a0e5295f2993

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp	Fri Mar 17 08:17:10 2017 +0000
@@ -0,0 +1,31 @@
+#include "mbed.h"
+#include "PID.h"
+#define RATE 0.1
+
+//Kc, Ti, Td, interval
+PID controller(1.0, 0.0, 0.0, RATE);
+AnalogIn pv(A0);
+PwmOut  co(PWM_OUT);
+
+int main(){
+
+  //Analog input from 0.0 to 3.3V
+  controller.setInputLimits(0.0, 3.3);
+  //Pwm output from 0.0 to 1.0
+  controller.setOutputLimits(0.0, 1.0);
+  //If there's a bias.
+  controller.setBias(0.3);
+  controller.setMode(AUTO_MODE);
+  //We want the process variable to be 1.7V
+  controller.setSetPoint(1.7);
+
+  while(1){
+    //Update the process variable.
+    controller.setProcessValue(pv.read());
+    //Set the new output.
+    co = controller.compute();
+    //Wait for another loop calculation.
+    wait(RATE);
+  }
+
+}