elec350
Fork of
elec350
by 
Bob Merrison-Hort
Diff: soft_pwm.cpp
- Revision:
- 10:021f19a9861f
- Child:
- 11:4685f33a2468
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/soft_pwm.cpp Wed Oct 21 19:52:30 2015 +0000
@@ -0,0 +1,32 @@
+#include "soft_pwm.h"
+
+SoftPwm::SoftPwm(float initialPeriod, float initialDutyCycle)
+{
+ this->period = initialPeriod;
+ this->dutyCycle = initialDutyCycle;
+ this->timer.start();
+}
+
+void SoftPwm::setPeriod(float newPeriod)
+{
+ this->period = newPeriod;
+}
+
+void SoftPwm::setDutyCycle(float newDutyCycle)
+{
+ this->dutyCycle = newDutyCycle;
+}
+
+bool SoftPwm::isOn()
+{
+ float phase = this->timer.read() / this->period;
+ if (phase > 1) {
+ this->timer.reset();
+ }
+ if (phase < this->dutyCycle) {
+ return true;
+ } else {
+ return false;
+ }
+}
+
\ No newline at end of file