Bob Merrison-Hort / Mbed 2 deprecated elec350

elec350

Dependencies:   mbed

Fork of elec350 by Bob Merrison-Hort

soft_pwm.cpp@11:4685f33a2468, 2015-10-21 (annotated)

Committer:
rmerrisonhort
Date:
Wed Oct 21 20:01:11 2015 +0000
Revision:
11:4685f33a2468
Parent:
10:021f19a9861f
Child:
12:ae626e46b996
Added get* to SoftPwm.

Who changed what in which revision?

UserRevisionLine numberNew contents of line
rmerrisonhort 10:021f19a9861f 1 #include "soft_pwm.h"
rmerrisonhort 10:021f19a9861f 2
rmerrisonhort 10:021f19a9861f 3 SoftPwm::SoftPwm(float initialPeriod, float initialDutyCycle)
rmerrisonhort 10:021f19a9861f 4 {
rmerrisonhort 10:021f19a9861f 5 this->period = initialPeriod;
rmerrisonhort 10:021f19a9861f 6 this->dutyCycle = initialDutyCycle;
rmerrisonhort 10:021f19a9861f 7 this->timer.start();
rmerrisonhort 10:021f19a9861f 8 }
rmerrisonhort 10:021f19a9861f 9
rmerrisonhort 10:021f19a9861f 10 void SoftPwm::setPeriod(float newPeriod)
rmerrisonhort 10:021f19a9861f 11 {
rmerrisonhort 10:021f19a9861f 12 this->period = newPeriod;
rmerrisonhort 10:021f19a9861f 13 }
rmerrisonhort 10:021f19a9861f 14
rmerrisonhort 10:021f19a9861f 15 void SoftPwm::setDutyCycle(float newDutyCycle)
rmerrisonhort 10:021f19a9861f 16 {
rmerrisonhort 10:021f19a9861f 17 this->dutyCycle = newDutyCycle;
rmerrisonhort 10:021f19a9861f 18 }
rmerrisonhort 10:021f19a9861f 19
rmerrisonhort 11:4685f33a2468 20 float SoftPwm::getDutyCycle()
rmerrisonhort 11:4685f33a2468 21 {
rmerrisonhort 11:4685f33a2468 22 return this->dutyCycle;
rmerrisonhort 11:4685f33a2468 23 }
rmerrisonhort 11:4685f33a2468 24
rmerrisonhort 11:4685f33a2468 25 float SoftPwm::getPeriod()
rmerrisonhort 11:4685f33a2468 26 {
rmerrisonhort 11:4685f33a2468 27 return this->period;
rmerrisonhort 11:4685f33a2468 28 }
rmerrisonhort 11:4685f33a2468 29
rmerrisonhort 10:021f19a9861f 30 bool SoftPwm::isOn()
rmerrisonhort 10:021f19a9861f 31 {
rmerrisonhort 10:021f19a9861f 32 float phase = this->timer.read() / this->period;
rmerrisonhort 10:021f19a9861f 33 if (phase > 1) {
rmerrisonhort 10:021f19a9861f 34 this->timer.reset();
rmerrisonhort 10:021f19a9861f 35 }
rmerrisonhort 10:021f19a9861f 36 if (phase < this->dutyCycle) {
rmerrisonhort 10:021f19a9861f 37 return true;
rmerrisonhort 10:021f19a9861f 38 } else {
rmerrisonhort 10:021f19a9861f 39 return false;
rmerrisonhort 10:021f19a9861f 40 }
rmerrisonhort 10:021f19a9861f 41 }
rmerrisonhort 10:021f19a9861f 42