Diff: TemperatureSensor.cpp

Revision:

2:ed17e258da0d

Parent:

1:f448c12d2c5b

Child:

3:7c648d1d8802

diff -r f448c12d2c5b -r ed17e258da0d TemperatureSensor.cpp
--- a/TemperatureSensor.cpp	Tue Jun 07 10:21:07 2016 +0000
+++ b/TemperatureSensor.cpp	Tue Jun 14 09:14:24 2016 +0000
@@ -10,6 +10,8 @@
     PinName pin,
     double const_voltage,
     double const_converter,
+    double const_lower_boundary,
+    double const_upper_boundary,
     double variance,
     double vin,
     double resistance
@@ -18,43 +20,57 @@
     _analog_in(pin),
     _const_voltage(const_voltage),
     _const_converter(const_converter),
+    _const_lower_boundary(const_lower_boundary),
+    _const_upper_boundary(const_upper_boundary),
     _variance(variance),
     _vin(vin),
     _resistance(resistance),
+    _reading(0.0),
+    _voltage(0.0),
     _temperature(0.0),
+    _status(0.0),
     _k0(0.00102119),
     _k1(0.000222468),
     _k2(0.000000133342),
     _kelvin_to_celcius(-273.15)
 {
-    read();
+    this->reload();
 }
 
-double TemperatureSensor::read()
+void TemperatureSensor::reload()
 {
     this->_reading = _analog_in.read();
-    this->_voltage = this->_reading * _const_voltage;
-    this->_voltage = this->_reading * _const_voltage;
-    double RT = (this->_voltage * _resistance) / (_vin - this->_voltage);
+    this->_voltage = this->_reading * this->_const_voltage * this->_const_converter;
+    double RT = (this->_voltage * this->_resistance) / (this->_vin - this->_voltage);
     double logRT = log(RT);
-    double K0 = this->_k0;
+    double K0 = this->_k0; 
     double K1 = this->_k1 * logRT;
     double K2 = this->_k2 * pow(logRT, 3.0);
     double kelvin = 1.0 / (K0 + K1 + K2);
     this->_temperature = (kelvin + this->_kelvin_to_celcius) + this->_variance;
     
-    /*
+    this->_status = 0.0;
+    if(this->_temperature < this->_const_lower_boundary){
+        this->_status = this->_temperature - this->_const_lower_boundary;
+    } else if(this->_temperature > this->_const_upper_boundary){
+        this->_status = this->_temperature - this->_const_upper_boundary;
+    }
+    
     _serial.printf(
         "\ttemperature: %5.4F | %5.4F | %5.4F\n\r",
         this->_reading,
         this->_voltage,
         this->_temperature
     );
-    */
+}
+
 
+double TemperatureSensor::getReading()
+{
     return(this->_reading);
 }
 
+
 double TemperatureSensor::getVoltage()
 {
     return(this->_voltage);
@@ -64,3 +80,8 @@
 {
     return(this->_temperature);
 }
+
+double TemperatureSensor::getStatus()
+{
+    return(this->_status);
+}
\ No newline at end of file