liang brain / stepper_moter

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Dependents:   Ex_3Dprinter_copy

Fork of a4998 by Keegan Hu

a4988.cpp@1:ab0f997c2d9c, 2018-05-08 (annotated)

Committer:
brainliang
Date:
Tue May 08 01:19:00 2018 +0000
Revision:
1:ab0f997c2d9c
Parent:
0:173936452e07 
fds

Who changed what in which revision?

UserRevisionLine numberNew contents of line
glintligo 0:173936452e07 1 #include "a4988.h"
glintligo 0:173936452e07 2 #include "mbed.h"
brainliang 1:ab0f997c2d9c 3 Stepper::Stepper(PinName _en, PinName _stepPin, PinName _direction):
brainliang 1:ab0f997c2d9c 4 en(_en),
glintligo 0:173936452e07 5 stepPin(_stepPin),
glintligo 0:173936452e07 6 direction(_direction)
glintligo 0:173936452e07 7 {
glintligo 0:173936452e07 8
glintligo 0:173936452e07 9 }
glintligo 0:173936452e07 10
glintligo 0:173936452e07 11 void Stepper::step(int dir, int frequency ,volatile int _remain)
glintligo 0:173936452e07 12 {
glintligo 0:173936452e07 13 //fun = &Stepper::step_control;
glintligo 0:173936452e07 14 if (dir == 1) {
glintligo 0:173936452e07 15 direction = 0;
glintligo 0:173936452e07 16 } else if (dir == 0) {
glintligo 0:173936452e07 17 direction = 1;
glintligo 0:173936452e07 18 }
glintligo 0:173936452e07 19 remain = _remain;
glintligo 0:173936452e07 20 step_ticker.attach(this, &Stepper::step_control,1.0/frequency);
glintligo 0:173936452e07 21 }
glintligo 0:173936452e07 22
glintligo 0:173936452e07 23 void Stepper::enable()
glintligo 0:173936452e07 24 {
glintligo 0:173936452e07 25 en = 0;
glintligo 0:173936452e07 26 }
glintligo 0:173936452e07 27
glintligo 0:173936452e07 28 void Stepper::disable()
glintligo 0:173936452e07 29 {
glintligo 0:173936452e07 30 en = 1;
glintligo 0:173936452e07 31 }
glintligo 0:173936452e07 32
glintligo 0:173936452e07 33 void Stepper::step_control()
glintligo 0:173936452e07 34 {
glintligo 0:173936452e07 35 if(remain == 0)
glintligo 0:173936452e07 36 {
glintligo 0:173936452e07 37 return;
brainliang 1:ab0f997c2d9c 38 }else if(stepPin){
brainliang 1:ab0f997c2d9c 39 stepPin = 0; //STEP 1->0
brainliang 1:ab0f997c2d9c 40 remain--;
brainliang 1:ab0f997c2d9c 41 }else{
brainliang 1:ab0f997c2d9c 42 stepPin = 1; //STEP 0->1
glintligo 0:173936452e07 43 }
glintligo 0:173936452e07 44 }