sharif omar / LDR_sensor

read LDR sensor

Dependents:   Mytemperature_Motion

LDR_sensor.h@0:b6b6c41a37e6, 2019-04-21 (annotated)

Committer:
sharifdeens
Date:
Sun Apr 21 03:29:41 2019 +0000
Revision:
0:b6b6c41a37e6
ldr

Who changed what in which revision?

UserRevisionLine numberNew contents of line
sharifdeens 0:b6b6c41a37e6 1 #include "mbed.h"
sharifdeens 0:b6b6c41a37e6 2
sharifdeens 0:b6b6c41a37e6 3 //Sensor new class for sensorA
sharifdeens 0:b6b6c41a37e6 4 class LDR_sensor
sharifdeens 0:b6b6c41a37e6 5
sharifdeens 0:b6b6c41a37e6 6 {
sharifdeens 0:b6b6c41a37e6 7 public:
sharifdeens 0:b6b6c41a37e6 8
sharifdeens 0:b6b6c41a37e6 9 LDR_sensor(PinName pin2);
sharifdeens 0:b6b6c41a37e6 10 LDR_sensor();
sharifdeens 0:b6b6c41a37e6 11 operator float ();
sharifdeens 0:b6b6c41a37e6 12 float read();
sharifdeens 0:b6b6c41a37e6 13 private:
sharifdeens 0:b6b6c41a37e6 14 //class sets up the AnalogIn pin
sharifdeens 0:b6b6c41a37e6 15 AnalogIn _pin2;
sharifdeens 0:b6b6c41a37e6 16 };
sharifdeens 0:b6b6c41a37e6 17
sharifdeens 0:b6b6c41a37e6 18
sharifdeens 0:b6b6c41a37e6 19 LDR_sensor::LDR_sensor(PinName pin2) : _pin2(pin2)
sharifdeens 0:b6b6c41a37e6 20 {
sharifdeens 0:b6b6c41a37e6 21 // _pin(pin) means pass pin to the AnalogIn constructor
sharifdeens 0:b6b6c41a37e6 22 }
sharifdeens 0:b6b6c41a37e6 23
sharifdeens 0:b6b6c41a37e6 24 float LDR_sensor::read()
sharifdeens 0:b6b6c41a37e6 25
sharifdeens 0:b6b6c41a37e6 26 {
sharifdeens 0:b6b6c41a37e6 27 //read moisture sensor
sharifdeens 0:b6b6c41a37e6 28 return _pin2.read();
sharifdeens 0:b6b6c41a37e6 29 }
sharifdeens 0:b6b6c41a37e6 30
sharifdeens 0:b6b6c41a37e6 31 LDR_sensor::operator float ()
sharifdeens 0:b6b6c41a37e6 32 {
sharifdeens 0:b6b6c41a37e6 33 //convert sensor reading to temperature in degrees C
sharifdeens 0:b6b6c41a37e6 34 return _pin2.read();
sharifdeens 0:b6b6c41a37e6 35 }