Diff: temperatureSensor.cpp

Revision:

1:5821fa15d6ca

Child:

2:9517837c642d

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/temperatureSensor.cpp	Tue Nov 20 12:10:39 2012 +0000
@@ -0,0 +1,36 @@
+/*-------------------------------------------------------------------------*/
+/*                       temperatureSensor  class                          */
+/*-------------------------------------------------------------------------*/
+/*                    Ni-MH charger project US191 IRD                      */
+/*-------------------------------------------------------------------------*/
+/*                       Nov 2012 | J Grelet                               */
+/*-------------------------------------------------------------------------*/
+
+#include "temperatureSensor.h"
+ 
+// constructor
+// _pin(pin) means pass pin to the AnalogIn constructor
+temperatureSensor::temperatureSensor(PinName pin, float delay, float convertion) : _pin(pin) { 
+  
+  _convertion = convertion;
+  _scaleFactor = 100;
+   
+  // Attach a function to be called by the Ticker, specifiying the interval delay in seconds. 
+  _ticker.attach(this, &temperatureSensor::toDo, delay);
+}
+ 
+// destructor
+temperatureSensor::~temperatureSensor() {
+}
+
+// toDo method call by ticker
+// read AnalogIn voltage and convert into temperature
+void temperatureSensor::toDo(void) {
+  _temperature = (_pin * _scaleFactor ) - _convertion;
+}
+
+// return temperature measurement
+// add filtering with media and ring buffer
+float temperatureSensor::read(void) {
+  return _temperature;
+}
\ No newline at end of file