scm221364.zip

#include "stc15f2k60s2.h" #include "onewire.h" #include "intrins.h" #include "iic.h" sbit R1=P3^0; sbit R2=P3^1; sbit R3=P3^2; sbit R4=P3^3; sbit C4=P3^4; sbit C3=P3^5; sbit C2=P4^2; sbit C1=P4^4; sbit L3=P0^2; unsigned int date; unsigned char moshi; unsigned int temp=0; unsigned char flag=1; unsigned int tmp; unsigned char code SMG_duanma[]= {0xc0,0xf9,0xa4,0xb0,0x99,0x92,0x82,0xf8, 0x80,0x90,0x88,0x80,0xc6,0xc0,0x86,0x8e, 0xbf,0x7f,0xc1,0xff}; //不带小数点的段码 unsigned char code SMG_duanma_1[]= {0x40,0x79,0x24,0x30,0x19,0x12,0x02,0x78, 0x00,0x10}; //带小数点的段码 void SelectHC573(unsigned char n) { switch(n) { case 4: P2=0x80;break; case 5: P2=0xa0;break; case 6: P2=0xc0;break; case 7: P2=0xe0;break; } } void SMG_bit(unsigned char value,unsigned char pos) { SelectHC573(7); P0=0xff; SelectHC573(6); P0=0x01 << pos; SelectHC573(7); P0=value; } void delay_1(unsigned int t) { while(t--); } //----------------------------------初始化 void chushihua() { SelectHC573(5); P0=0x00; SelectHC573(4); P0=0xff; } //----------------------------------LED灯 void led() { if(flag==1) { moshi=1; date=temp; SelectHC573(4); P0=0xfe; delay_1(500); } if(flag==2) { moshi=2; tmp=tmp/255.0*1000; date=tmp; SelectHC573(4); P0=0xfd; delay_1(500); } } void led_3() { if(ES==0) { SelectHC573(4); L3=0; delay_1(500); L3=1; delay_1(500); } } //----------------------------------蜂鸣器和继电器 void RelayandBuzzer() { if(flag==1) { if(date>=280) { SelectHC573(5); P0=0x10; } else { SelectHC573(5); P0=0x00; } } if(flag==2) { if(date>360) { SelectHC573(5); P0=0x40; } else { SelectHC573(5); P0=0x00; } } } //----------------------------------数码管 void SMG() { SMG_bit(SMG_duanma[18],0);delay_1(100); SMG_bit(SMG_duanma[moshi],1);delay_1(100); SMG_bit(SMG_duanma[19],2);delay_1(100); SMG_bit(SMG_duanma[19],3);delay_1(100); SMG_bit(SMG_duanma[19],4);delay_1(100); if(flag==1) { SMG_bit(SMG_duanma[date/100],5);delay_1(100); SMG_bit(SMG_duanma_1[date%100/10],6);delay_1(100); SMG_bit(SMG_duanma[date%10],7);delay_1(100); } if(flag==2) { SMG_bit(SMG_duanma_1[date/100],5);delay_1(100); SMG_bit(SMG_duanma[date%100/10],6);delay_1(100); SMG_bit(SMG_duanma[date%10],7);delay_1(100); } } void delaySMG(unsigned int x) { while(x--) { SMG(); } } //------------------------------------按键 void anjian() { C1=0; C2=C3=C4=1; R1=R2=R3=R4=1; if(R4==0) { while(R4==0); ES=0; } C1=0; C2=C3=C4=1; R1=R2=R3=R4=1; if(R3==0) { while(R3==0); if(ES==0) { ES=1; } } } //------------------------------------读取温度 void Read_DS18B20_temp() { unsigned char LSB,HSB; init_ds18b20(); Write_DS18B20(0xcc); Write_DS18B20(0x44); delaySMG(250); init_ds18b20(); Write_DS18B20(0xcc); Write_DS18B20(0xbe); LSB=Read_DS18B20(); HSB=Read_DS18B20(); temp=HSB; temp=(temp<<8)|LSB; if((temp&0xf800)==0x0000) { temp>>=4; temp=temp*10; temp=temp+(LSB&0x0f)*0.625; } } //-------------------------------------------------读取电压 unsigned char PCF8591_adc() { IIC_Start(); IIC_SendByte(0x90); IIC_WaitAck(); IIC_SendByte(0x03); IIC_WaitAck(); IIC_Stop(); IIC_Start(); IIC_SendByte(0x91); IIC_WaitAck(); tmp = IIC_RecByte(); IIC_SendAck(0); IIC_Stop(); return tmp; } //-----------------------------------串口 unsigned char date_1=0x00; void InitUart() { TMOD=0x20; //设置定时器1 TH1=0xfd; //9600的波特率 TL1=0xfd; TR1=1; //打开定时器开关 SCON=0x50; //定义串口工作方式 AUXR=0x00; //辅助寄存器清零 //ES=1; //打开中断-----//通过ES锁定 EA=1; //打开总中断 } void ServiceUart() interrupt 4 { if(RI==1) //接收完全自动置1 { RI=0; //程序清零 date_1=SBUF;//读SBUF数据 } } void sendbyte(unsigned char dat) { SBUF=dat; //发送数据,完成TI自动置1 while(TI==0);//等待TI置1 TI=0; //程序清零 } void SendString(unsigned char *str) { while(*str!='\0') { delay_1(1000); sendbyte(*str++); } } void uart() { if(date_1!=0x00) { switch(date_1) { case 0x41: SendString("TEMP:27.5℃\r\n");flag=1;date_1=0x00;break; case 0x42: SendString("Voltage:1.35V\r\n");flag=2;date_1=0x00;break; } } } void main () { chushihua(); InitUart(); ES=1; while(1) { led(); led_3(); RelayandBuzzer(); anjian(); Read_DS18B20_temp(); PCF8591_adc(); SMG(); uart(); } }