Ion Systems / triforce-esc

Wrapper library for ESC PWM throttle control.

Fork of ESC by Mitch Carlson

esc.cpp@2:b2d19bc95805, 2017-05-05 (annotated)

Committer:
IonSystems
Date:
Fri May 05 14:10:46 2017 +0000
Revision:
2:b2d19bc95805
Parent:
1:4c02fede684b 
Cameron has entered the game.

Who changed what in which revision?

UserRevisionLine numberNew contents of line
MitchJCarlson 0:ec466ef657a2 1 #include "mbed.h"
MitchJCarlson 0:ec466ef657a2 2 #include "esc.h"
MitchJCarlson 0:ec466ef657a2 3
IonSystems 2:b2d19bc95805 4 ESC::ESC(PwmOut pwmPinOut, int period, int throttle)
IonSystems 2:b2d19bc95805 5 : esc(pwmPinOut), period(period), throttle(throttle) {
MitchJCarlson 0:ec466ef657a2 6 esc.period_ms(period);
MitchJCarlson 0:ec466ef657a2 7 esc.pulsewidth_us(throttle);
MitchJCarlson 0:ec466ef657a2 8 }
MitchJCarlson 0:ec466ef657a2 9
MitchJCarlson 0:ec466ef657a2 10 bool ESC::setThrottle(int t) {
MitchJCarlson 1:4c02fede684b 11 if (t >= 0 && t <= 100) { // qualify range, 0-100
MitchJCarlson 1:4c02fede684b 12 throttle = t*10 + 1000; // map to range, 1-2 ms (1000-2000us)
MitchJCarlson 1:4c02fede684b 13 esc.pulsewidth_us(throttle);
MitchJCarlson 0:ec466ef657a2 14 return true;
MitchJCarlson 0:ec466ef657a2 15 }
MitchJCarlson 0:ec466ef657a2 16 return false;
MitchJCarlson 0:ec466ef657a2 17 }
MitchJCarlson 0:ec466ef657a2 18
MitchJCarlson 0:ec466ef657a2 19 void ESC::pulse(void) {
MitchJCarlson 0:ec466ef657a2 20 esc.pulsewidth_us(throttle);
MitchJCarlson 0:ec466ef657a2 21 }
IonSystems 2:b2d19bc95805 22
IonSystems 2:b2d19bc95805 23 void ESC::failsafe(void) {
IonSystems 2:b2d19bc95805 24 esc.pulsewidth_us(0);
IonSystems 2:b2d19bc95805 25 }