statement.c

自动温度监测系统

#include<7279.h>

void defaultDisplay()
{
 	write(DECODE0,0x00);
	write(DECODE0+1,0x01);
	write(DECODE0+2,0x0a);
	write(DECODE1+3,0x0e);
}

void currentTempDisplay(unsigned char t,unsigned char zz)
{
	write(DECODE1, 0x0c);
	write(0x81,t/10);
	write(0x82,0x80+(t%10));
	write(0x83,zz);
}

void transTempDisplay(unsigned char t,unsigned char zz)
{
	float x;
	write(DECODE1 ,0x0f);
	x=t+zz/16.0;
	x=x*9/5.0+32.0;
	t=(unsigned char)x;
	x=(x-t)*10;
	zz=((unsigned char)x)&0x0f;
	write(0x81,t/10);
	write(0x82,0x80+t%10);
	write(0x83,zz);
}

void lowestTempDisplay(unsigned char low1,unsigned char low2)
{	 
	write(0x80,low1/10);
	write(0x81,0x80+(low1%10));
	write(0x82,low2);
	write(0x83,0x0d);
}

void highestTempDisplay(unsigned char high1,unsigned char high2)
{
	write(0x80,high1/10);
	write(0x81,0x80+(high1%10));
	write(0x82,high2);
	write(0x83,0x0c);
}


void high_alarmDisplay(unsigned char H)
{
	write(0x80,H/10);
	write(0x81,0x80+(H%10));
	write(0x82,0);
	write(0x83,0x0c);
}


void low_alarmDisplay(unsigned char L)
{
	write(0x80,L/10);
	write(0x81,0x80+(L%10));
	write(0x82,0x00);
	write(0x83,0x0d);
}