byeongho song / Mbed 2 deprecated temp

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Dependencies:   BufferedSerial FastAnalogIn FastPWM mbed SHT75

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Show/hide line numbers peltiert.cpp Source File

peltiert.cpp

00001 /*
00002  * peltiert.cpp
00003  *
00004  *  Created on: 2016. 2. 19.
00005  *      Author: sbh9428
00006  */
00007 
00008 #include "peltiert.h"
00009 
00010 peltier_t::peltier_t() {
00011     // TODO Auto-generated constructor stub
00012 
00013 }
00014 
00015 peltier_t::peltier_t(FastPWM* _peltier_pin, DigitalOut* _direction_pin) {
00016     peltier_pin=_peltier_pin;
00017     direction_pin=_direction_pin;
00018     
00019     peltier_pin->period_ms(1);
00020 }
00021 
00022 peltier_t::~peltier_t() {
00023     // TODO Auto-generated destructor stub
00024 }
00025 
00026 void peltier_t::set_PWM(float duty_ratio)
00027 {
00028     if(duty_ratio>0)
00029         *direction_pin=0;
00030     else
00031         *direction_pin=1;
00032     peltier_pin->pulsewidth_us(1000*abs(duty_ratio));
00033 }
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