ASEE-2014 / Motor

Motor

Dependents:   ASEE-2014 frdm_Wall

Fork of Motor by Christopher Bradford

Motor.cpp@3:7f1fd2d62c72, 2014-02-27 (annotated)

Committer:
cbradford
Date:
Thu Feb 27 01:40:41 2014 +0000
Revision:
3:7f1fd2d62c72
Parent:
2:f265e441bcd9
Child:
4:de727286a2a8
Changed the Motor.cpp and Motor.h to deal with two PWMs, instead of 1 PWM and 2 Digital

Who changed what in which revision?

UserRevisionLine numberNew contents of line
simon 0:a470311addc4 1 /* mbed simple H-bridge motor controller
simon 2:f265e441bcd9 2 * Copyright (c) 2007-2010, sford, http://mbed.org
simon 0:a470311addc4 3 *
simon 0:a470311addc4 4 * Permission is hereby granted, free of charge, to any person obtaining a copy
simon 0:a470311addc4 5 * of this software and associated documentation files (the "Software"), to deal
simon 0:a470311addc4 6 * in the Software without restriction, including without limitation the rights
simon 0:a470311addc4 7 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
simon 0:a470311addc4 8 * copies of the Software, and to permit persons to whom the Software is
simon 0:a470311addc4 9 * furnished to do so, subject to the following conditions:
simon 0:a470311addc4 10 *
simon 0:a470311addc4 11 * The above copyright notice and this permission notice shall be included in
simon 0:a470311addc4 12 * all copies or substantial portions of the Software.
simon 0:a470311addc4 13 *
simon 0:a470311addc4 14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
simon 0:a470311addc4 15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
simon 0:a470311addc4 16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
simon 0:a470311addc4 17 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
simon 0:a470311addc4 18 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
simon 0:a470311addc4 19 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
simon 0:a470311addc4 20 * THE SOFTWARE.
simon 0:a470311addc4 21 */
simon 0:a470311addc4 22
simon 0:a470311addc4 23 #include "Motor.h"
simon 0:a470311addc4 24
simon 0:a470311addc4 25 #include "mbed.h"
simon 0:a470311addc4 26
cbradford 3:7f1fd2d62c72 27 Motor::Motor(PinName fwd, PinName rev):
cbradford 3:7f1fd2d62c72 28 _fwd(fwd), _rev(rev) {
simon 0:a470311addc4 29
simon 0:a470311addc4 30 // Initial condition of output enables
simon 0:a470311addc4 31 _fwd = 0;
cbradford 3:7f1fd2d62c72 32 _fwd.period(0.001);
simon 0:a470311addc4 33 _rev = 0;
cbradford 3:7f1fd2d62c72 34 _rev.period(0.001);
simon 0:a470311addc4 35 }
simon 0:a470311addc4 36
simon 0:a470311addc4 37 void Motor::speed(float speed) {
cbradford 3:7f1fd2d62c72 38 if(speed > 0.0)
cbradford 3:7f1fd2d62c72 39 _fwd = abs(speed);
cbradford 3:7f1fd2d62c72 40 else
cbradford 3:7f1fd2d62c72 41 _rev = abs(speed);
simon 0:a470311addc4 42 }
simon 0:a470311addc4 43
simon 0:a470311addc4 44
simon 0:a470311addc4 45