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stepper motor
main.cpp
- Committer:
- zhangyx
- Date:
- 2017-10-11
- Revision:
- 1:6d4a62f98351
- Parent:
- 0:19f886d481f3
- Child:
- 2:c944fc6cdfb7
File content as of revision 1:6d4a62f98351:
#include "mbed.h" Ticker ticker_step; DigitalOut step(PB_0), dir(PB_1), en(PA_7); volatile int remain; void toggle_step() { //产生STEP脉冲信号 if(remain == 0) return; if(step){ step = 0; //STEP 1->0 remain--; }else{ step = 1; //STEP 0->1 } } int main() { ticker_step.attach(&toggle_step, 0.0002); en = 0; //Enable stepper driver while (true) { dir = 0; remain = 3200; wait(1.5); dir = 1; remain = 3200; wait(1.5); } }