YX ZHANG / Mbed 2 deprecated Ex_Stepper

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Show/hide line numbers main.cpp Source File

main.cpp

00001 #include "mbed.h"
00002 
00003 Ticker ticker_step;
00004 DigitalOut step(PB_0), dir(PB_1), en(PC_13);
00005 volatile int remain;
00006 
00007 void toggle_step() { //产生STEP脉冲信号
00008     if(remain == 0)
00009         return;
00010     if(step){
00011         step = 0; //STEP 1->0
00012         remain--;
00013     }else{
00014         step = 1; //STEP 0->1
00015     }
00016 }
00017 
00018 int main() {
00019     ticker_step.attach(&toggle_step, 0.0002);
00020     en = 0; //Enable stepper driver
00021     
00022     while (true) {
00023         dir = 0;
00024         remain = 3200;
00025         wait(1.5);
00026         dir = 1;
00027         remain = 3200;
00028         wait(1.5);
00029     }
00030 }
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