Proteus仿真自动门控制系统

#include <reg51.h> #include <intrins.h> #define uchar unsigned char #define uint unsigned int //定义按键的接口 sbit K1 = P1^0; sbit K2 = P1^1; sbit K3 = P1^6; sbit K4 = P1^7; //LED指示灯的引脚 sbit LED1 = P2^0; sbit LED2 = P2^1; sbit LED3 = P2^2; sbit LED4 = P2^3; //红外检测引脚 sbit HW1 = P2^4; sbit HW2 = P2^5; //开关门检测测引脚 sbit OPEN_C = P2^6; sbit CLOSE_C = P2^7; //步进电机引脚 sbit Smotor1 = P3^4; sbit Smotor2 = P3^5; sbit Smotor3 = P3^6; sbit Smotor4 = P3^7; uchar key_num; //定义按键值 bit MotorDirection = 0; //默认正向 uchar MotorCircleSet = 0; //设置的圈数 uchar MotorOperationMode = 0; //工作模式 uchar Motor_data = 0; uint Close_time = 0; //关门延时 uchar DoorOperationMode = 0; //手自动模式 //驱动步进电机引脚 void Drive_motor(unsigned char t) { if (t & 0x01) { Smotor1 = 1; } else { Smotor1 = 0; } if (t & 0x02) { Smotor2 = 1; } else { Smotor2 = 0; } if (t & 0x04) { Smotor3 = 1; } else { Smotor3 = 0; } if (t & 0x08) { Smotor4 = 1; } else { Smotor4 = 0; } } //步进电机转动 void SETP_MOTOR_Run() { //8拍编码 uchar code FFW[8] = { 0x08, 0x09, 0x01, 0x03, 0x02, 0x06, 0x04, 0x0c }; static uint i = 0, j = 0; static uint T_circle = 0; if (MotorOperationMode == 0) //停止转动 { i = 0; T_circle = 0; } else { if (++i > 20) //延时 { i = 0; if (MotorDirection == 0) //正向开门 { Motor_data = ~FFW[j]; } else//反向关门 { Motor_data = ~FFW[7 - j]; } if (++T_circle > 320) //步进电机不能一直转，长时间检测不到开关门信号，就要关闭电机 { MotorOperationMode = 0; } Drive_motor(Motor_data); //把数据送到单片机引脚 if (++j > 7) //一个8步 { j = 0; } } } } /******************************************************************** * 名称 : Delay_1ms() * 功能 : 延时子程序，延时时间为 1ms * x * 输入 : x (延时一毫秒的个数) * 输出 : 无 ***********************************************************************/ void Delay_ms(uint i)//1ms延时 { uchar x, j; for (j = 0; j < i; j++) for (x = 0; x <= 148; x++); } //************************************ //定时器初始化 //初始化为1MS定时器 //************************************ void Time1_init() { TMOD |= 0x10; //使用模式1,16位定时器 TH1 = (65536 - 1000) / 256; //定时器装入初始值1ms TL1 = (65536 - 1000) % 256; EA = 1; //总中断 ET1 = 1; //定时器1初始化 TR1 = 1; } //**************************************************** //矩阵按键扫描 //按键按下则返回按键值不按就返回0xff //***************************************************** uchar Key_scan() { static uchar key_up = 1; //按键按松开标志 if (key_up && (K1 == 0 || K2 == 0 || K3 == 0 || K4 == 0)) { Delay_ms(5); //去抖动 key_up = 0; if (K1 == 0)return 1; else if (K2 == 0)return 2; else if (K3 == 0)return 3; else if (K4 == 0)return 4; } else if (K1 == 1 && K2 == 1 && K3 == 1 && K4 == 1)key_up = 1; return 0; // 无按键按下 } /*主程序：*/ void main() { uchar speed = 0; uchar step = 0; //系统初始化 Time1_init(); //定时器初始化 while (1) { key_num = Key_scan(); //获取按键值 switch (key_num) { case 1: //手动模式 DoorOperationMode = 1; break; case 2://自动模式 DoorOperationMode = 0; break; case 3: //打开门 if (DoorOperationMode == 1) //手动模式 { MotorDirection = 0; MotorOperationMode = 1; } break; case 4://关闭门 if (DoorOperationMode == 1) //手动模式 { MotorDirection = 1; MotorOperationMode = 1; } break; } //更新门开关状态 LED4 = OPEN_C; LED3 = CLOSE_C; if (DoorOperationMode == 0) //自动模式 { //打开自动模式指示灯 LED1 = 0; LED2 = 1; //判断门开关的步骤 switch (step) { case 0: //初次判断门是开的或者是关的 if (OPEN_C == 0) //检测到了开门 { Delay_ms(10); //消抖 if (OPEN_C == 0) //检测到了开门 { step = 2; } } else { Close_time = 0; if ((HW1) || (HW2)) //检测到了人体信号 { Delay_ms(10); //消抖 if ((HW1) || (HW2)) //检测到了人体信号 { //打开门 MotorDirection = 0; MotorOperationMode = 1; Close_time = 0; step = 10; } } else //没有检测到人体 { } } break; case 2://开门之后判断延时 if ((HW1) || (HW2)) //检测到了人体信号 { Delay_ms(10); //消抖 if ((HW1) || (HW2)) //检测到了人体信号 { Close_time = 0; } } else //没有检测到人体 { if (Close_time > 3000) //3000ms检测不到人体就关门 { //关门 MotorDirection = 1; MotorOperationMode = 1; step = 3; } } break; case 3: //要关门 if (CLOSE_C == 0) //检测到了关门 { Delay_ms(10); //消抖 if (CLOSE_C == 0) //检测到了关门 { MotorOperationMode = 0; //关闭电机 step = 0; } } else { if ((HW1) || (HW2)) //检测到了人体信号 { Delay_ms(10); //消抖 if ((HW1) || (HW2)) //检测到了人体信号 { //打开门 MotorDirection = 0; MotorOperationMode = 1; Close_time = 0; step = 10; } } } break; case 10://打开门 if (OPEN_C == 0) //检测到了开门 { Delay_ms(10); //消抖 if (OPEN_C == 0) //检测到了开门 { MotorOperationMode = 0; step = 0; //重新去判断 } } break; } } else //手动模式 { //打开手动模式指示灯 LED1 = 1; LED2 = 0; if (MotorDirection == 0) //开门 { if (OPEN_C == 0) //检测到开门 { Delay_ms(10); //消抖 if (OPEN_C == 0) //检测到了关门