stc12c5a60s2串口收发.zip_STC12C5A60S2 控制_stc12c5a60s2_stc12c5a60s2串口

#include "stc12c5a60s2.h" #include "intrins.h" #define uint unsigned int #define uchar unsigned char #define FOSC 11059200L //系统频率 #define BAUD 9600 //串口波特率 #define RX1_Lenth 8 //串口接收缓冲长度 #define T1MS (65536-FOSC/1000) //1ms timer calculation method in 1T mode bit busy; /*定义数码管输出端=========*/ sbit W1 = P2^0; sbit W2 = P2^1; sbit W3 = P2^2; sbit W4 = P2^3; /*定义按键扫描和输出=========*/ sbit KEY_set = P3^5; sbit KEY_plus = P3^4; sbit KEY_lower = P3^3; sbit OUT_hot = P1^0; sbit OUT_fan = P1^1; sbit OUT_buzzer = P1^2; /*定义MAX6675输入=========*/ sbit M_SCK = P2^5; sbit M_CS = P2^6; sbit M_DAT = P2^7; /*定义数码管位内容=========*/ unsigned char SE[5] = {0xff,0xff,0xff,0xff,0xff}; unsigned char LEDS; unsigned int M_CONT,M_Temp,M_Recoup,M_Recoup_sum; //6675变量,6675实际温度,6675温度补偿 unsigned int ST_Temp_H = 0; //设定高温 unsigned int ST_Temp_H_sum = 0; //串口接收到临时数据 unsigned int ST_Temp_L = 0; //设定低温 unsigned int ST_Temp_L_sum = 0; //串口接收到临时数据 unsigned char KEYX = 0; //按键顺序 unsigned int KeyCount = 0; //按键扫描累计 unsigned char SET_zt = 0; //设置状态,0显示当前温度,1显示设置温度 unsigned int i = 0; unsigned char code NumberX[] = //数码管值 { //0 1 2 3 4 5 6 7 8 9 . - H L 0xc0,0xf9,0xa4,0xb0,0x99,0x92,0x82,0xf8,0x80,0x90,0x7f,0xbf,0x89,0xc7 }; /************* 本地变量声明 **************/ unsigned char idata RX1_Buffer[RX1_Lenth]; //接收缓冲 unsigned char RX1_Cnt; //接收计数 unsigned char RX1_Status = 0x00; //接收计数 /*延时=========*/ void ys(unsigned int z)//延时 { unsigned int x,y; for(x=z;x>0;x--) for(y=800;y>0;y--); } /*************字节写入**************/ void write_data_eeprom(uint address,char eeprom_data) { IAP_DATA = eeprom_data; IAP_ADDRH = address >> 8; IAP_ADDRL = address & 0x00FF; IAP_CMD = 0x02;//write IAP_CONTR |= 0x83;//EN IAP_TRIG = 0x5A;//开始 IAP_TRIG = 0xA5; } /*************字节读取**************/ char read_data_eeprom(uint address) { uchar eeprom_data = 0; IAP_ADDRH = address >> 8; IAP_ADDRL = address & 0x00FF; IAP_CMD = 0x01;//read IAP_CONTR |= 0x83;//EN IAP_TRIG = 0x5A;//开始 IAP_TRIG = 0xA5; eeprom_data = IAP_DATA; return eeprom_data; } /*************清空数据**************/ void IapEraseSector(uint address) { IAP_CONTR |=0x83; //Open IAP function, and set wait time IAP_CMD = 0x03; //Set ISP/IAP/EEPROM ERASE command IAP_ADDRL = address; //Set ISP/IAP/EEPROM address low IAP_ADDRH = address >> 8; //Set ISP/IAP/EEPROM address high IAP_TRIG = 0x5a; //Send trigger command1 (0x5a) IAP_TRIG = 0xa5; //Send trigger command2 (0xa5) ;;;;;;;;;; } /*************保存数据**************/ void SAVE() { IapEraseSector(0x00); //清空数据 EA = 0; ys(8); write_data_eeprom(0x02,M_Recoup); //写补偿数据 write_data_eeprom(0x03,ST_Temp_H); //写设置温度 EA = 1; EA = 1; } /*************读取数据**************/ void READ() { M_Recoup = read_data_eeprom(0x02); //读补偿数据 ST_Temp_H = read_data_eeprom(0x03); //读设置温度 if((ST_Temp_H > 500) || (ST_Temp_H < 0)) ST_Temp_H = 100; if((M_Recoup > 21) || (M_Recoup < 0)) M_Recoup=10; EA = 1; EA = 1; } /*返回MAX6675当前温度值,返回8888表示连接断开=========*/ unsigned long MAX6675() { unsigned char i ; unsigned long TempX = 0; M_SCK= 0 ; M_CS = 0 ; _nop_(); _nop_(); _nop_(); for(i = 0; i < 16; i++) { M_SCK= 1 ; TempX <<= 1; TempX |= M_DAT; _nop_(); M_SCK= 0; _nop_(); _nop_(); _nop_(); } M_CS = 1; _nop_(); _nop_(); _nop_(); if((TempX >> 2) & 1) return (8888); else return ((TempX >>3 & 0x0fff)*25)/10-100+(M_Recoup*10); //10以下是负数补偿,10以上是正数补偿 } /*输入状态灯位置，输入显示数值=========*/ void Num(unsigned char SEL,unsigned int NS) { if(SEL==0) { SE[0] = NS/1000%10; SE[1] = NS/100%10; SE[2] = NS/10%10; SE[3] = NS%10; } else { SE[0] = SEL + 11; SE[1] = NS/100%10; SE[2] = NS/10%10; SE[3] = NS%10; } } /*串口发送数据=========*/ void TX1_Num(unsigned int TX1_NS) { SBUF = TX1_NS/1000%10+0x30; ys(2); SBUF = TX1_NS/100%10+0x30; ys(2); SBUF = TX1_NS/10%10+0x30; ys(2); SBUF = TX1_NS%10+0x30; ys(2); SBUF = 0x7F;ys(2); } void main() { unsigned int temp = 0; OUT_buzzer = 1; OUT_hot = 1; OUT_fan = 1; AUXR = 0x80; //定时器0在1T模式工作 P1M0=0xff; //推免输出 P1M1=0x00; SCON = 0x50; TMOD = 0x20; TH1 = TL1 = -(FOSC/12/32/BAUD); //Set auto-reload vaule TL0 = T1MS; TH0 = T1MS >> 8; TR1 = 1; TR0 = 1; ET0 = 1; ES = 1; EA = 1; M_CONT = 580; READ(); while(1) { if(i == 1000) { i = 0; } if(RX1_Status>0x00) { switch(RX1_Status) //选择显示状态 { case 0x01: ST_Temp_H = ST_Temp_H_sum; SBUF = 0x4F;ys(2);SBUF = 0x4B;ys(2);SBUF = 0x7F;ys(2);SBUF = 0x7F;ys(2);SBUF = 0x7F;ys(2); SAVE(); break; case 0xF1: SBUF = 0x45;ys(2);SBUF = 0x52;ys(2);SBUF = 0x45;ys(2);SBUF = 0x4F;ys(2);SBUF = 0x52;ys(2); break; case 0x05: M_Recoup=M_Recoup_sum; SBUF = 0x4F;ys(2);SBUF = 0x4B;ys(2);SBUF = 0x7F;ys(2);SBUF = 0x7F;ys(2);SBUF = 0x7F;ys(2); SAVE(); break; case 0xF5: SBUF = 0x45;ys(2);SBUF = 0x52;ys(2);SBUF = 0x45;ys(2);SBUF = 0x4F;ys(2);SBUF = 0x52;ys(2); break; case 0x08: TX1_Num(M_Temp);break; case 0x09: TX1_Num(ST_Temp_H);break; } RX1_Status=0x00; } if(SET_zt == 0) { Num(0,M_Temp); //6675 if(M_Temp < (ST_Temp_H*10))//小于设定温度就打开发热管,关闭风扇 { OUT_hot = 0; OUT_fan = 1; } else { OUT_hot = 1; OUT_fan = 0; } if(M_Temp >= 5000)//200 度报警 { OUT_buzzer = 0; } else { OUT_buzzer = 1; } } else { Num(1,ST_Temp_H);//切换为显示设置温度 } } } void LED_S() interrupt 1 { unsigned char keys = 0; if(!KEY_set) KEYX = 0; if(!KEY_plus) KEYX = 1; if(!KEY_lower) KEYX = 2; if(KEY_set & KEY_plus & KEY_lower) { KEYX = 0; KeyCount = 0; } else { KeyCount++; if(KeyCount > 1000) KeyCount = 950; if(((KeyCount == 100)|(KeyCount == 950))) { if(KEYX == 0) { SET_zt=0; } if(KEYX == 1) { SET_zt = 1; if(ST_Temp_H < 500) ST_Temp_H++; SAVE(); } if(KEYX == 2) { SET_zt = 1; if(ST_Temp_H > 0) ST_Temp_H--; SAVE(); } } } W1 = W2 = W3 = W4 = 1; P0 = 0xff; if(LEDS < 4) { switch(LEDS) { case 0 : W1 = 0; break; case 1 : W2 = 0; break; case 2 : W3 = 0; break; case 3 : W4 = 0; break; } if(SET_zt == 0 & W3 == 0) { P0 = NumberX[SE[LEDS]]&0x7f;//第三位显示小数点 } else { P0 = NumberX[SE[LEDS]]; } } LEDS++; if(LEDS > 4) LEDS = 0; M_CONT++; if(M_CONT > 1000) { M_CONT = 0; M_Temp = MAX6675(); //转换 } } /*---------------------------- UART 中断服务程序 -----------------------------*/ void Uart() interrupt 4 using 1 { if (TI) { TI = 0; //清除TI位 busy = 0; //清忙标志 } if(RI == 1) //RI接受中断标志 { RX1_Buffer[RX1_Cnt] = SBUF; //保存一个字节 if(RX1_Buffer[0]==0x53) { RX1_Cnt++; } else { RX1_Cnt=0; } if(RX1_Cnt>=8) { //SET H L 53 45 54 48 4C 10位数据SET+(H/L)+(三位数