Diff: main.cpp

Revision:

0:8b77aea74642

Child:

2:6e731a17523c

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp	Mon Jan 25 22:38:30 2016 +0000
@@ -0,0 +1,39 @@
+/** A demo application to show how to mangage and control a heater element 
+ * through a PID loop using a Thermistor input and PWM output.
+ * For more information on PID control 
+ *
+ * Author(s): Michael Ball  unix_guru@hotmail.com
+ *
+ */
+
+#include "mbed.h"
+
+#include "PIDHeater.h"                  // PIDHeater simply takes two variables
+                                        // The Thermistor input and the Heater output.
+                                        // 
+Serial pc(USBTX, USBRX);
+Ticker ticker;                        
+
+#define RATE 0.1                        // Check temp every 100ms
+PIDHeater extruder(A3, PTC3);           // Thermistor on A3 heater on PTC3
+
+void run_PID_loop() {                        // Periodically test temperature and set output
+    extruder.run();
+}    
+
+int main(){
+ 
+  extruder.configureRange(0,250);       // Set MIN/MAX temperature in degrees Celcius.
+  extruder.setTemperature(25);         // Set target temperature to 25 degrees Celcius.
+  
+  ticker.attach(&run_PID_loop,RATE);    // Start PID process running at 100ms rate.
+
+  while(1){
+   
+     pc.printf("Extruder Temperature is %f\r\n", extruder.getTemperature());
+     
+     wait(1);  
+
+  }
+ 
+}
\ No newline at end of file