程序.txt

C8051设计的多路温度检测系统

#include<C8051F330.h>
#include<math.h>
sbit mode = P0^4;	//mode
sbit SEND=P1^1;	   //模拟串口的输出口。
sbit CLOCK=P1^2;	   //模拟串口的时钟口。
sbit shuma1=P1^3;
sbit shuma2=P1^4;
sbit shuma3=P1^5;
//unsigned char uca_BitPosition[]={0x80,0x40,0x20,0x10,0x08,0x04,0x02,0x01};
unsigned int code uca_LEDCode[] = {0xfc,0x60,0xda,0xf2,0x66,0xb6,0xbe,0xe0,0xfe,0xe6,0x02,0x01};
unsigned char state = 0;
void SysClkInit(void)	//配置系统时钟
{
  	OSCICN |= 0x03;		//22.11 MHz
	OSCICL=OSCICL+22;
}

void SystemInit(void)	//系统配置
{
	PCA0MD &= ~0x40;	//禁止看门狗定时器
	EA = 1;
}

void PortInit(void)		//端口配置
{
    P0SKIP = 0x0d;		//P0.2 P0.3 P0.0为输入。。作为模拟输入（ADC或比较器）或特殊功能（VREF输入、外部振荡器电路、

	P0MDIN = 0xf3;		//配置P0、P1口输入输出方式
	P0MDOUT = 0xff;
	XBR1 = 0x40;		//交叉开关使能
	P1MDOUT = 0xff;
	ADC0CN = 0X00;
	IE=0x81;			//开外部中断
	IT01CF=0x54;		//设置P0.4外部中断0
	ADC0CF = (22114800/2500000)<<3;	//ADC转换时钟
	ADC0CF &= ~0x07; 
}

void delayms(int n)		//延时n秒
{
	unsigned int i;
	for(;n>0;n--)
		{
			for(i=2211;i>0;i--);
		}
}

void myoutput(int byte)    //输出译码
{

	int num,c; 

	if(byte<12)
		{
		  
         num=uca_LEDCode[byte];
    for(c=0;c<8;c++)
         {
     CLOCK=0;
   SEND=num&0x01;
   CLOCK=1;
          num>>=1;
         
         
          }

		}

}
void Voltager1()	///////////////////////////////////////////////////////////////////////////////////1路电压测量
{	
	
	float dianya1;
	long float wendu;
	int shi1,ge1,fen1,n;		//第一路由P0.2进入，第二路由P0.3进入
	unsigned int Temp1;
	while(state==0){
	REF0CN = 0x0a;
	AMX0P = 0x02;AMX0N = 0x11;	//测量第一路的电压值；
	AD0EN = 1;
	delayms(2);
	AD0BUSY = 1;
	delayms(2);while(!AD0INT);
	Temp1 = ADC0H;
	Temp1 <<= 8;
	Temp1 &= 0xff00;
	Temp1 |= ADC0L;
	dianya1 = 3.3/1024*Temp1;
	wendu=(1330-43.5*dianya1);//
	shi1 = (int)wendu/10;
	ge1 = (int)wendu%10;
	fen1 = (int)(wendu*10)%10;

	AD0BUSY = 0;
	
	for(n=0;n<100;n++){//shuma1=0;shuma2=0;shuma3=0;delayms(2);
	myoutput(shi1);delayms(2);
	shuma1=0;shuma2=1;shuma3=1;
	myoutput(ge1);delayms(2);
	shuma1=1;shuma2=0;shuma3=1;
	myoutput(fen1);delayms(2);
	shuma1=1;shuma2=1;shuma3=0;
}
}}
	
void Voltager2()	///////////////////////////////////////////////////////////////////////////////////2路电压测量
{
	float dianya2;
	int shi2,ge2,fen2,n;
	long float wendu;		//第一路由P0.2进入，第二路由P0.3进入
	unsigned int Temp2;
	while(state==1){
	AMX0P = 0x03;AMX0N = 0x11;	
	REF0CN = 0x0a;
	AD0EN = 1;
	delayms(2);
	AD0BUSY = 1;
	delayms(2);
	while(!AD0INT); 
	Temp2 = ADC0H;
	Temp2 <<= 8;
	Temp2 &= 0xff00;
	Temp2 |= ADC0L;
	dianya2 = 3.3/1024*Temp2;
	
	wendu=(1370-454*dianya2);	      //
	shi2 = (int)wendu/10;
	ge2 = (int)wendu%10;
	fen2 = (int)(wendu*10)%10;
	AD0BUSY = 0;
	for(n=0;n<100;n++){
	myoutput(shi2);
	shuma1=0;shuma2=1;shuma3=1;delayms(2);
	myoutput(ge2);
	shuma1=1;shuma2=0;shuma3=1;delayms(2);
	myoutput(fen2);
	shuma1=1;shuma2=1;shuma3=0;delayms(2);
}

}
}

void timer0(void) interrupt 0 using 1
{
	delayms(20);
	if(state < 1)
		state++;
	else
		state = 0;
	while(!mode);
	delayms(20);
} 
void main()
{	int n=0;
	SystemInit();	//系统配置
	SysClkInit();	//配置系统时钟
	PortInit();		//端口配置
	while(1)
	{switch(state)
				{
					case 0:					
							myoutput(1);
							for(n=0;n<100;n++)
								{
								myoutput(1);
								shuma1=0;shuma2=1;shuma3=1;delayms(5);
								myoutput(10);
								shuma1=1;shuma2=0;shuma3=1;delayms(5);
								myoutput(10);
								shuma1=1;shuma2=1;shuma3=0;delayms(5);
								} 
							Voltager1();
						break;
					case 1:
							myoutput(2);						
							for(n=0;n<100;n++)
								{
								myoutput(2);
								shuma1=0;shuma2=1;shuma3=1;delayms(5);
								myoutput(10);
								shuma1=1;shuma2=0;shuma3=1;delayms(5);
								myoutput(10);
								shuma1=1;shuma2=1;shuma3=0;delayms(5);
								}
							Voltager2();
						break;
					
					default:
						state = 0;break;
				}/*shuma1=0;shuma2=0;shuma3=0;
				for(n=0;n<10;n++){myoutput(n);delayms(500);}*/  
			
	}
}