IO定义:
输出口P0.0
输入口P2.7\P2.6P2.5\P2.4
要求:1、P2.6为低时,P0.0为高;P2.7和P2.6为低时,P0.0为低。P2.7单独为低时,不作任何反映。
2、当P2.4为低时,无论P2.7和P2.6在什么状态,P0.0为低。
3、当P2.5为低时,P0.0为低。
以下是程序,但有问题,请高手指出:
/*
*/ #include<STC12C5A60S2.h> #define uchar unsigned char #define uint unsigned int #define Delaytime 100 //消抖 #define Delaybeemp 10 typedef signed long INT64S; typedef unsigned long INT64U; typedef signed int INT32S; typedef unsigned int INT32U; typedef signed short INT16S; typedef unsigned short INT16U; typedef signed char INT8S; typedef unsigned char INT8U; /*IO口定义*/ sbit out_upper=P0^0; //接电磁阀 sbit out_lower = P0^2; //不用 sbit Buzzer = P0^1; //不用
sbit Upper_limit=P2^4; //(接光膜传感器) sbit Lower_limit = P2^5; //检测电磁到位开关
sbit button = P2^6; //按钮S2 sbit button1 = P2^7; //按钮S1
typedef struct tagTYPE_UART_BUFFER { INT8U ucFlag; INT8U ucIndex; INT8U ucLength; INT8U ucBuffer[20]; }TYPE_UART_BUFFER, *pTYPE_UART_BUFFER;
typedef struct tagTYPE_UART_INFO { TYPE_UART_BUFFER sRX; TYPE_UART_BUFFER sTX; }TYPE_UART_INFO, *pTYPE_UART_INFO; // --------------------------------------------- unsigned char button_flag,jishu_flag,Upper_limit_flag,Lower_limit_flag; unsigned char delay = Delaytime; TYPE_UART_INFO xdata sUART0_Info = {0};
void sendonebyte(void); /* 函数功能:串口初始化, 波特率:38400 工作在1T模式,使用定时器1计数 */ void InitUART(void) { TMOD = 0x21; SCON = 0x50; AUXR |= 0x40;//使其工作在1T模式下 TH1 = 0xF7; TL1 = TH1; PCON = 0x00; EA = 1; ES = 1; TR1 = 1;
//定时器0 定时时间:10ms TH0 = 0x0FF; TL0 = 0x0F6; EA = 1; ET0 = 1; TR0 = 1; //初始化输入输出的io P0M0 = 0xff; P0M1 = 0x00; P2M0 = 0x00; P2M1 = 0xff; }
/* 函数功能:延时时间为10ms */ void delay_10ms(void) //误差 0us { unsigned char a,b,c; for(c=1;c>0;c--) for(b=38;b>0;b--) for(a=130;a>0;a--); }
void main(void) { uchar i,flag=0; // jishu_flag = 0; InitUART(); out_upper = 1;//此时汽缸向上动作 out_lower = 1; Upper_limit_flag = 0; // 光幕传感器 Lower_limit_flag = 0; //到位开关 button_flag = 0; //按钮S1 button1_flag = 0; //按钮S2 while(1) { // if(sUART0_Info.sRX.ucFlag == 1) // { // sUART0_Info.sRX.ucFlag = 0; // out_upper = 1;//此时汽缸向上动作 // out_lower = 1; // for(i = 0;i<sUART0_Info.sRX.ucLength;i++) // { // sUART0_Info.sRX.ucBuffer = 0; // } // }
if(Upper_limit_flag == 1) //光幕传感器 { Upper_limit_flag = 0; out_upper = 1;//此时汽缸向上动作 out_lower = 1; flag = 0; } if((Lower_limit_flag == 1)&&(flag == 0)) //限位开关和光幕传感器做逻辑与运算 { Lower_limit_flag = 0; //限位开关为低电位 flag = 1; out_upper = 1;//此时汽缸向下动作 out_lower = 0; sendonebyte(); } if(button_flag == 1)&&(button1_flag == 1) //按钮按下 { button_flag = 0; out_upper = 0;//此时汽缸向下动作 out_lower = 1; } // if((input==0)&&(jishu_flag == 0)) // { // delay_10ms(); // if((input==0)&&(jishu_flag == 0)) // { // output = 0;//把汽缸合上 // jishu_flag = 1; // overtime = 0; // while((input_test_qg==1)&&(overtime++ < Delaybeemp-1)) // { // // for(i = 0;i< 100;i++) // { // delay_10ms(); // } // } // if(overtime>=Delaybeemp-1) // { // Buzzer = 0; // } // else if(input==0) // { // sendonebyte(); // } // } // } // if(button_flag == 1) // { // button_flag = 0; // Buzzer = 1; // output = 1; // // jishu_flag = 0; // } // if(input==1) // { // delay_10ms(); // if(input==1) // { // jishu_flag = 0; // Buzzer = 1; // } // } } }
void ISR_UART0(void)interrupt 4 {
INT8U ucTemp;// 暂存变量 // 接收 if (RI){ // --------------------------------------------- // 启动接收 RI = 0; ucTemp = SBUF; // 判断数据 switch (sUART0_Info.sRX.ucIndex) { case 0:// "Z" if (ucTemp == 'Z') { // "Z" sUART0_Info.sRX.ucBuffer[sUART0_Info.sRX.ucIndex ++] = ucTemp; } else { // 无效数据 sUART0_Info.sRX.ucIndex = 0; } break; case 1:// "U" if (ucTemp == 'U') { sUART0_Info.sRX.ucBuffer[sUART0_Info.sRX.ucIndex ++] = ucTemp; } else { // 无效数据 sUART0_Info.sRX.ucIndex = 0; } break; case 2:// "Z" if (ucTemp == 'Z') { // "Z" sUART0_Info.sRX.ucBuffer[sUART0_Info.sRX.ucIndex ++] = ucTemp; } else { // 无效数据 sUART0_Info.sRX.ucIndex = 0; } break; default:// 通信数据 // 接收通信数据, sUART0_Info.sRX.ucBuffer[sUART0_Info.sRX.ucIndex ++] = ucTemp; // 接收通信数据,判断回车键 if(((ucTemp == '\r')||((ucTemp == '\n')))&&(sUART0_Info.sRX.ucIndex >= 3)) { sUART0_Info.sRX.ucLength = sUART0_Info.sRX.ucIndex; sUART0_Info.sRX.ucIndex = 0; //接收完,清零索引 sUART0_Info.sRX.ucFlag = 1; } else { } break; } // --------------------------------------------- }
// --------------------------------------------- if (TI){ // --------------------------------------------- TI = 0; // --------------------------------------------- if (sUART0_Info.sTX.ucIndex < sUART0_Info.sTX.ucLength) { SBUF = sUART0_Info.sTX.ucBuffer[sUART0_Info.sTX.ucIndex ++]; } else { sUART0_Info.sTX.ucIndex = 0; sUART0_Info.sTX.ucLength = 0; } // --------------------------------------------- } // --------------------------------------------- }
//10 ms扫描按键 void Timer0Interrupt(void) interrupt 1 { // 清除标志 TF0 = 0; TR0 = 0; TH0 = 0x0FF; TL0 = 0x0F6; TR0 = 1; if((button == 0)||(Upper_limit == 0)||(Lower_limit == 0)) //按钮、光幕传感器、到位开关存在逻辑或的关系 { delay -- ; //延时消抖 if(!delay) { delay = Delaytime; if(button == 0) { button_flag =1; } else if(Upper_limit == 0) { Upper_limit_flag = 1; } else if(Lower_limit == 0) { Lower_limit_flag = 1; } } }
//add your code here! }
void sendonebyte(void) { sUART0_Info.sTX.ucBuffer[0] = 'Z'; sUART0_Info.sTX.ucBuffer[1] = 'f'; sUART0_Info.sTX.ucBuffer[2] = 'Z'; sUART0_Info.sTX.ucBuffer[3] = '\r'; sUART0_Info.sTX.ucIndex = 0; sUART0_Info.sTX.ucLength = 4; SBUF = sUART0_Info.sTX.ucBuffer[sUART0_Info.sTX.ucIndex ++]; }
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