Keegan Hu / Mbed 2 deprecated Ex_Stepper

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Dependencies:   mbed a4988

Fork of Ex_Stepper by YX ZHANG

main.cpp@0:19f886d481f3, 2017-10-11 (annotated)

Committer:
zhangyx
Date:
Wed Oct 11 03:38:41 2017 +0000
Revision:
0:19f886d481f3
Child:
1:6d4a62f98351
initial

Who changed what in which revision?

UserRevisionLine numberNew contents of line
zhangyx 0:19f886d481f3 1 #include "mbed.h"
zhangyx 0:19f886d481f3 2
zhangyx 0:19f886d481f3 3 Ticker ticker_step;
zhangyx 0:19f886d481f3 4 DigitalOut step(PB_0), dir(PB_1), en(PA_7);
zhangyx 0:19f886d481f3 5 volatile int remain;
zhangyx 0:19f886d481f3 6
zhangyx 0:19f886d481f3 7 void toggle_step() { //产生STEP脉冲信号
zhangyx 0:19f886d481f3 8 if(remain == 0)
zhangyx 0:19f886d481f3 9 return;
zhangyx 0:19f886d481f3 10 if(step){
zhangyx 0:19f886d481f3 11 step = 0; //STEP 1->0
zhangyx 0:19f886d481f3 12 remain--;
zhangyx 0:19f886d481f3 13 }else{
zhangyx 0:19f886d481f3 14 step = 1; //STEP 0->1
zhangyx 0:19f886d481f3 15 }
zhangyx 0:19f886d481f3 16 }
zhangyx 0:19f886d481f3 17
zhangyx 0:19f886d481f3 18 int main() {
zhangyx 0:19f886d481f3 19 ticker_step.attach(&toggle_step, 0.001);
zhangyx 0:19f886d481f3 20 en = 0; //Enable stepper driver
zhangyx 0:19f886d481f3 21
zhangyx 0:19f886d481f3 22 while (true) {
zhangyx 0:19f886d481f3 23 dir = 0;
zhangyx 0:19f886d481f3 24 remain = 100;
zhangyx 0:19f886d481f3 25 wait(1);
zhangyx 0:19f886d481f3 26 dir = 1;
zhangyx 0:19f886d481f3 27 remain = 100;
zhangyx 0:19f886d481f3 28 wait(1);
zhangyx 0:19f886d481f3 29 }
zhangyx 0:19f886d481f3 30 }