AT89C51步进电机驱动以及Proteus仿真图

#include <REGX51.H> #include <intrins.h> #include "out.h" typedef unsigned int uint16_t; typedef unsigned char uint8_t; /*电机节拍控制数据表*/ code uint8_t Table[] = {0x08,0x0c,0x04,0x06,0x02,0x03,0x01,0x09}; // +135 +90 +45 0 -45 -90 -135 +180 void Delay10ms(); void Delay20us(); /* *Function： 电机转动控制 */ void out(unsigned char y,unsigned char times) { int i = 0; P0 = Table[y]; for(;i<times;i++){ Delay10ms(); } } /* *Function：按键检测控制 */ uint8_t scan_key() { uint8_t isKeyDown = 0x1F; uint8_t KeyVal = 0; if(isKeyDown != P1&0x1F) { Delay20us(); KeyVal = P1 & 0x1F; switch(KeyVal) { case 0x1E: return 1; case 0x1D: return 2; case 0x1B: return 3; case 0x17: return 4; case 0x0F: return 5; } } return 0; } void Delay10ms() //@12.000MHz { unsigned char i, j; i = 117; j = 184; do { while (--j); } while (--i); } void Delay20us() //@12.000MHz { unsigned char i; _nop_(); _nop_(); i = 57; while (--i); }