Steven Ventura / DRV88255

Fully functional driver for the DRV88255 stepper motor driver. Includes microstepping, speed, disable and enable.

Dependents:   Lidar_2D_Mapping Water Play Water_pump Lidar_2D_Mapping

DRV8825.cpp@1:c8f423bfe891, 2015-12-11 (annotated)

Committer:
sventura3
Date:
Fri Dec 11 15:50:02 2015 +0000
Revision:
1:c8f423bfe891
Parent:
0:a2a53dc49e0d 
updated spelling error 2

Who changed what in which revision?

UserRevisionLine numberNew contents of line
sventura3 0:a2a53dc49e0d 1 #include "DRV8825.h"
sventura3 0:a2a53dc49e0d 2 #include "mbed.h"
sventura3 0:a2a53dc49e0d 3
sventura3 0:a2a53dc49e0d 4 DigitalOut myled(LED1);
sventura3 0:a2a53dc49e0d 5
sventura3 1:c8f423bfe891 6 DRV8825::DRV8825(PinName _en, PinName m0, PinName m1, PinName m2, PinName _stepPin, PinName dir):en(_en),
sventura3 0:a2a53dc49e0d 7 microstepping(m0, m1, m2),
sventura3 0:a2a53dc49e0d 8 stepPin(_stepPin),
sventura3 0:a2a53dc49e0d 9 direction(dir)
sventura3 0:a2a53dc49e0d 10 {
sventura3 0:a2a53dc49e0d 11 }
sventura3 0:a2a53dc49e0d 12
sventura3 0:a2a53dc49e0d 13 void DRV8825::settings(float microstep, int dir, float speed)
sventura3 0:a2a53dc49e0d 14 {
sventura3 0:a2a53dc49e0d 15 //Microsteppiing settings
sventura3 0:a2a53dc49e0d 16 if (microstep == 1) microstepping = 0;
sventura3 0:a2a53dc49e0d 17 else if (microstep == 1/2) microstepping = 1;
sventura3 0:a2a53dc49e0d 18 else if (microstep == 1/4) microstepping = 2;
sventura3 0:a2a53dc49e0d 19 else if (microstep == 1/8) microstepping = 3;
sventura3 0:a2a53dc49e0d 20 else if (microstep == 1/16) microstepping = 4;
sventura3 0:a2a53dc49e0d 21 else if (microstep == 1/32) microstepping = 5;
sventura3 0:a2a53dc49e0d 22
sventura3 0:a2a53dc49e0d 23 if (dir == 1) {
sventura3 0:a2a53dc49e0d 24 direction = 0;
sventura3 0:a2a53dc49e0d 25 } else if (dir == 0) {
sventura3 0:a2a53dc49e0d 26 direction = 1;
sventura3 0:a2a53dc49e0d 27 }
sventura3 0:a2a53dc49e0d 28
sventura3 0:a2a53dc49e0d 29 // Speeed or times per second
sventura3 0:a2a53dc49e0d 30 if(stepPin == 1){
sventura3 0:a2a53dc49e0d 31 stepPin = 0;
sventura3 0:a2a53dc49e0d 32 wait(1/speed);
sventura3 0:a2a53dc49e0d 33 }
sventura3 0:a2a53dc49e0d 34 else{
sventura3 0:a2a53dc49e0d 35 stepPin = 1;
sventura3 0:a2a53dc49e0d 36 wait(1/speed);
sventura3 0:a2a53dc49e0d 37 }
sventura3 0:a2a53dc49e0d 38 myled = stepPin;
sventura3 0:a2a53dc49e0d 39
sventura3 0:a2a53dc49e0d 40
sventura3 0:a2a53dc49e0d 41 }
sventura3 0:a2a53dc49e0d 42
sventura3 0:a2a53dc49e0d 43 void DRV8825::enable()
sventura3 0:a2a53dc49e0d 44 {
sventura3 0:a2a53dc49e0d 45 en = 0;
sventura3 0:a2a53dc49e0d 46 }
sventura3 0:a2a53dc49e0d 47
sventura3 0:a2a53dc49e0d 48 void DRV8825::disable()
sventura3 0:a2a53dc49e0d 49 {
sventura3 0:a2a53dc49e0d 50 en = 1;
sventura3 0:a2a53dc49e0d 51 }