51all1.zip_单片机_步进电机 串口

#include "timer0.h" #define LED P0 #define SEG P0 #define LED_Time_Max 2 #define SEG_Time_Max 2 //每隔2ms选择进入LED 或者SEG #define LED_ON() LED_KEY = 0; #define LED_OFF() LED_KEY = 1; sfr P4=0xe8; //reg52.h 无p4口定义 需自行定义 sbit LSA=P4^0; sbit LSB=P4^1; sbit LSC=P4^2; sbit LSD=P3^7; sbit LED_KEY = P2^7; sbit Warning = P4^3; sbit BZ = P2^6; sbit k1=P3^2; sbit k2=P3^3; sbit B1=P2^2; sbit B2=P2^3; sbit B3=P2^4; sbit B4=P2^5; unsigned char state = 0x80; char flag = 0; char move_clock = 0;//控制是按一下走一下 还是移位 char INT0_flag = 0; char INT1_flag = 0; unsigned int n_time = 0; unsigned char num_1=0; unsigned char INT0_Time = 0; unsigned char INT1_Time = 0; unsigned char LED_Time = 1;//LED_TIME和SEG_TIME初始为0 1 可以让seg和led每隔一秒交替进行 unsigned char LED_N = 0; unsigned char LED_Speed = 50; unsigned char SEG_Time = 0; unsigned int Num_Move_Time = 0; unsigned int STEP_Time = 0; unsigned int Key_ON_Time = 0; extern unsigned char TIME[7]; unsigned char num[26] = {0}; unsigned char wei = 0; unsigned char num_2 = 0; extern unsigned char ad_value; char step = 0; unsigned char dire = 0; unsigned int speed_value[5] = {5,4,3,2,1}; char speed = 2; unsigned char motor_go = 0; unsigned char num1 = 0, num2 =0, num3 = 0, num4 = 0; unsigned char key_num1 = 0, key_num2 =0, key_num3 = 0, key_num4 = 0; unsigned char code smgduan[18]={0xc0,0xf9,0xa4,0xb0,0x99,0x92,0x82,0xf8, 0x80,0x90,0x88,0x83,0xc6,0xa1,0x86,0x8e,0xbf,0xff};//显示0~F的值 void DisPlay(unsigned char n1,unsigned char n2,unsigned char n3,unsigned char n4) { static unsigned char i = 0; SEG=0xff;//消隐 i++; if(i>=4) i = 0; switch(i) //位选，选择点亮的数码管， { case(0): LSA=0;LSB=1;LSC=1;LSD=1; if((Key_ON_Time == 0)&&(wei == 22)) SEG=smgduan[n1]&127; else SEG=smgduan[n1]; break;//显示第0位 case(1): LSA=1;LSB=0;LSC=1;LSD=1; if((Key_ON_Time == 0)&&(wei == 21)) SEG=smgduan[n2]&127; else SEG=smgduan[n2]; break;//显示第1位 case(2): LSA=1;LSB=1;LSC=0;LSD=1; if((Key_ON_Time == 0)&&(wei == 20)) SEG=smgduan[n3]&127; else SEG=smgduan[n3]; break;//显示第2位 case(3): LSA=1;LSB=1;LSC=1;LSD=0; if((Key_ON_Time == 0)&&(wei == 19)) SEG=smgduan[n4]&127; else SEG=smgduan[n4]; break;//显示第3位 } } void Num_move() { num[0] = TIME[6]/16; num[1] = TIME[6]&0x0f; num[2] = 16; num[3] = TIME[5]/16; num[4] = TIME[5]&0x0f; num[5] = 16; num[6] = TIME[4]/16; num[7] = TIME[4]&0x0f; num[8] = 16; num[9] = TIME[3]/16; num[10] = TIME[3]&0x0f; num[11] = 16; num[12] = TIME[2]/16; num[13] = TIME[2]&0x0f; num[14] = 16; num[15] = TIME[1]/16; num[16] = TIME[1]&0x0f; num[17] = 16; num[18] = TIME[0]/16; num[19] = TIME[0]&0x0f; num[20] = 17; num[21] = 17; num[22] = ad_value/10; num[23] = ad_value%10; num[24] = 17; num[25] = 17; num1 = num[wei]; num2 = num[wei+1]; num3 = num[wei+2]; num4 = num[wei+3]; } void delay_ms(unsigned int t) { n_time = t; while(n_time); } void Timer0Init() { TMOD|=0X01;//选择为定时器0模式，工作方式1。 TH0=0XFC; //给定时器赋初值，定时1ms TL0=0X18; ET0=1;//打开定时器0中断允许 EA=1;//打开总中断 TR0=1;//打开定时器 } /*任务管理*/ void Timer0() interrupt 1 { TH0=0XFC; //给定时器赋初值，定时1ms TL0=0X18; if(n_time>0) n_time--; if(Key_ON_Time>0) Key_ON_Time--; if(INT0_flag) INT0_Time++;//如果有键按下就开始计数，起到消抖的作用 if(INT1_flag) INT1_Time++;//同上 LED_Time++;//控制led显示与关闭 SEG_Time++;//控制seg的显示与关闭 if(motor_go) STEP_Time++;//电机 Num_Move_Time++;//时间位移控制量 num_2++; if(num_2>10) {num_1++; num_2=0; } /* 流水灯控制函数*/ if(INT0_Time>=10) //消抖 流水灯方向 { if(k1 == 0) { flag=~flag; move_clock = 0;//控制是流动还是走动 } INT0_flag = 0;//中断清零 INT0_Time = 0;//消抖清零 } /* 按一下走一下控制函数*/ if(INT1_Time>=10) // 按键 走动 { if(k2 == 0) { move_clock = 1;//1即为走动 if(flag) { state>>=1; if(state==0x00) state=0x80; } else { state<<=1; if(state==0x00) state=0x01; } } INT1_flag = 0; INT1_Time = 0; } if(LED_Time>=LED_Time_Max) //LED流动 { LED_Time = 0; //清零 LSA=1;LSB=1;LSC=1;LSD=1;//关闭数码管 LED_ON();//开启led LED_N++;//每次流动时间 //LED_Speed = 201 - ad_value*20/5; LED_Speed = 500;//每隔两毫秒进来加一次LED_N，2*100=200ms； if(LED_N>=LED_Speed) { LED_N = 0; if(!move_clock)//和前面相对应 0才进行移位，1就是按一下走一下 { if(flag) { state>>=1; if(state==0x00) state=0x80; } else { state<<=1; if(state==0x00) state=0x01; } } } LED = ~state; } if(Num_Move_Time>=600)//时钟显示移位函数 { Num_Move_Time = 0; if(wei>=22) wei = 0; else wei++; } if(SEG_Time>=SEG_Time_Max)//2ms 交替进来 { if(Key_ON_Time==0)//有键按下就等key on time减到0再进行时间的显示，先显示按键 { SEG_Time = 0; Num_move();//移位 LED_OFF();//关闭led DisPlay(num1,num2,num3,num4);//显示 } else//下面为显示按键的函数 { SEG_Time = 0; LED_OFF(); DisPlay(key_num1,key_num2,key_num3,key_num4); } } if(STEP_Time>=speed_value[speed])//电机函数 { STEP_Time = 0; switch(step) { case 0: B1 = 1; B2 = 0; B3 = 0; B4 = 0; break; case 1: B1 = 1; B2 = 1; B3 = 0; B4 = 0; break; case 2: B1 = 0; B2 = 1; B3 = 0; B4 = 0; break; case 3: B1 = 0; B2 = 1; B3 = 1; B4 = 0; break; case 4: B1 = 0; B2 = 0; B3 = 1; B4 = 0; break; case 5: B1 = 0; B2 = 0; B3 = 1; B4 = 1; break; case 6: B1 = 0; B2 = 0; B3 = 0; B4 = 1; break; case 7: B1 = 1; B2 = 0; B3 = 0; B4 = 1; break; } if(dire == 0) { step++; if(step>=8) step = 0; } if(dire == 1) { step--; if(step<=0) step = 7; } } if(Warning == 1) { BZ = ~BZ;//无缘蜂鸣器 } }