byeongho song
dd
Dependencies: BufferedSerial FastAnalogIn FastPWM mbed SHT75
Diff: peltiert.cpp
- Revision:
- 0:9bfc4aea91e2
- Child:
- 10:c751a0e8b7f9
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/peltiert.cpp Fri Feb 19 07:07:26 2016 +0000
@@ -0,0 +1,33 @@
+/*
+ * peltiert.cpp
+ *
+ * Created on: 2016. 2. 19.
+ * Author: sbh9428
+ */
+
+#include "peltiert.h"
+
+peltier_t::peltier_t() {
+ // TODO Auto-generated constructor stub
+
+}
+
+peltier_t::peltier_t(FastPWM* _peltier_pin, DigitalOut* _direction_pin) {
+ peltier_pin=_peltier_pin;
+ direction_pin=_direction_pin;
+
+ peltier_pin->period_ms(1);
+}
+
+peltier_t::~peltier_t() {
+ // TODO Auto-generated destructor stub
+}
+
+void peltier_t::set_PWM(float duty_ratio)
+{
+ if(duty_ratio>0)
+ *direction_pin=1;
+ else
+ *direction_pin=0;
+ peltier_pin->pulsewidth_us(1000*abs(duty_ratio));
+}
\ No newline at end of file