Grove temperature sensor library
Dependents: Grove_Temp_Hello_world
Grove_temp_sensor.cpp
- Committer:
- peipei123
- Date:
- 2016-03-10
- Revision:
- 6:2d65df11758a
- Parent:
- 4:7e6f5d859469
File content as of revision 6:2d65df11758a:
#include "mbed.h" #include "Grove_temp_sensor.h" //Setup a new class for Grove_temp_sensor sensor Grove_temp_sensor::Grove_temp_sensor(PinName pin) : _pin(pin) { wait(0.5); } float Grove_temp_sensor::read_F() { double a; a=_pin.read()*1023; double resistance=(float)(1023-a)*10000/a; double temperature=1/(log(resistance/10000)/3975+1/298.15)-276.05; //conver C to F; temperature = (9.0*temperature)/5.0 + 32.0; return temperature; } float Grove_temp_sensor::read_C() { double a; a=_pin.read()*1023; double resistance=(float)(1023-a)*10000/a; double temperature=1/(log(resistance/10000)/3975+1/298.15)-276.05; return temperature; } float Grove_temp_sensor::operator= (Grove_temp_sensor& rhs) { return rhs.read_C(); }