Javier Sanchez Peña / Mbed 2 deprecated motor_prueva

control de velocidad progresivo de motor CC en ambos sentidos

Dependencies:   mbed

main.cpp@0:f3b48db841cd, 2017-03-22 (annotated)

Committer:
javierjsp
Date:
Wed Mar 22 17:28:28 2017 +0000
Revision:
0:f3b48db841cd
version 1

Who changed what in which revision?

UserRevisionLine numberNew contents of line
javierjsp 0:f3b48db841cd 1
javierjsp 0:f3b48db841cd 2 #include "mbed.h"
javierjsp 0:f3b48db841cd 3
javierjsp 0:f3b48db841cd 4 PwmOut PWM1(PF_8); // pwm outputs
javierjsp 0:f3b48db841cd 5 PwmOut PWM2(PF_7);
javierjsp 0:f3b48db841cd 6 DigitalOut led1(LED1);
javierjsp 0:f3b48db841cd 7
javierjsp 0:f3b48db841cd 8 /* Function prototype */
javierjsp 0:f3b48db841cd 9 void motorControl(bool dir, float pwmVal);
javierjsp 0:f3b48db841cd 10
javierjsp 0:f3b48db841cd 11 int main()
javierjsp 0:f3b48db841cd 12 {
javierjsp 0:f3b48db841cd 13
javierjsp 0:f3b48db841cd 14 led1 = 1;
javierjsp 0:f3b48db841cd 15 wait(1);
javierjsp 0:f3b48db841cd 16 led1 = 0;
javierjsp 0:f3b48db841cd 17 PWM1.write(0); // Duty cycles are initially zero
javierjsp 0:f3b48db841cd 18 PWM2.write(0);
javierjsp 0:f3b48db841cd 19 PWM1.period(0.02f); // 1 kHz pwm frequency
javierjsp 0:f3b48db841cd 20 PWM2.period(0.02f);
javierjsp 0:f3b48db841cd 21
javierjsp 0:f3b48db841cd 22 while(1)
javierjsp 0:f3b48db841cd 23 {
javierjsp 0:f3b48db841cd 24 for(float i=0;i<1;i=i+0.01f) // increase speed from 0 to 1 in 5 seconds (50ms*100).
javierjsp 0:f3b48db841cd 25 {
javierjsp 0:f3b48db841cd 26 motorControl(1,i);
javierjsp 0:f3b48db841cd 27 wait(0.05f);
javierjsp 0:f3b48db841cd 28 }
javierjsp 0:f3b48db841cd 29 for(float i=1;i>0;i=i-0.01f) // decrease speed from 1 to 0 in 5 seconds (50ms*100).
javierjsp 0:f3b48db841cd 30 {
javierjsp 0:f3b48db841cd 31 motorControl(0,i);
javierjsp 0:f3b48db841cd 32 wait(0.05f);
javierjsp 0:f3b48db841cd 33 }
javierjsp 0:f3b48db841cd 34 led1 = 1;
javierjsp 0:f3b48db841cd 35 wait(0.5);
javierjsp 0:f3b48db841cd 36 led1 = 0;
javierjsp 0:f3b48db841cd 37 }
javierjsp 0:f3b48db841cd 38 }
javierjsp 0:f3b48db841cd 39
javierjsp 0:f3b48db841cd 40 // This is a motor control function which controls the speed and direction of
javierjsp 0:f3b48db841cd 41 // a motor. Motor drivers like L293D can be used.
javierjsp 0:f3b48db841cd 42 void motorControl(bool dir, float pwmVal)
javierjsp 0:f3b48db841cd 43 {
javierjsp 0:f3b48db841cd 44 if(dir==1) // forward direction
javierjsp 0:f3b48db841cd 45 {
javierjsp 0:f3b48db841cd 46 PWM2.write(0);
javierjsp 0:f3b48db841cd 47 PWM1.write(pwmVal);
javierjsp 0:f3b48db841cd 48 }
javierjsp 0:f3b48db841cd 49 else if(dir==0) // reverse direction
javierjsp 0:f3b48db841cd 50 {
javierjsp 0:f3b48db841cd 51 PWM1.write(0);
javierjsp 0:f3b48db841cd 52 PWM2.write(pwmVal);
javierjsp 0:f3b48db841cd 53 }
javierjsp 0:f3b48db841cd 54 }