#include<iom16v.h>
#include <macros.h>
#include "LCD1602.h"
#include "DS18B20.h"
unsigned char L1[16];//显示第一行
unsigned char L2[16];//显示第二行
unsigned int temp_h,temp_l,led_flag=0;
extern unsigned int temper;
void delay_nus(unsigned int n) //8*0.125=1us
{
int i,j;
for(j=0;j<8;j++)
{
for (i=0;i<n;i++)
NOP();
}
}
void delay_1ms(void)
{
unsigned char i,j;
for(i=0;i<40;i++)
for(j=0;j<33;j++)
{;}
}
void delay_xms(unsigned int x)
{
unsigned int i;
for(i=0;i<x;i++)
{
delay_1ms();
}
}
unsigned char keyscan(void)//key1:+;key2:-;key3:FUN;key4:OK;
{
unsigned int key;
if((PIND|0x0F)!=0xFF)
{
delay_xms(70);
if((PIND|0x0F)!=0xFF)
{
key=(PIND|0x0F);
switch(key)
{
case 0xEF:key=1;break;
case 0xDF:key=2;break;
case 0xBF:key=3;break;
case 0x7F:key=4;break;
default:key=0;break;
}
}
return key;
}
}
void led_show(void)
{
if(temper>temp_l)
{
if(temper>temp_h)
{
led_flag=1;
}
else
{
led_flag=0;
}
}
else
{
led_flag=2;
}
}
void main(void)
{
unsigned int plus,minus,fun,set,temp_ht,temp_lt,i;
temp_h=300,temp_l=100,plus=0,minus=0,fun=0,set=0;
temp_ht=temp_h;
temp_lt=temp_l;
DDRA=0xFF;
DDRB=0xFF;
DDRC = 0x10;
DDRD=0x0F;
PORTA=0xFF;
PORTB=0xFF;
PORTC = 0x10;
PORTD=0xFF;
LCD1602_init();
while(1)
{
get_tem();
led_show();
switch(led_flag)
{
case 0: PORTD|=BIT(0);PORTD|=BIT(1);break;
case 1: PORTD&=~BIT(0);PORTD|=BIT(1);break;
case 2: PORTD|=BIT(0);PORTD&=~BIT(1);break;
default: break;
}
switch(keyscan())
{
case 1: plus=1;break;
case 2: minus=1;break;
case 3: fun++;if(fun==3){fun=0;}temp_ht=temp_h;temp_lt=temp_l;break;
case 4: set=1;break;
default: break;
}
if(plus==1)
{
plus=0;
switch(fun)
{
case 0: break;
case 1: temp_ht+=10;break;
case 2: temp_lt+=10;break;
default: break;
}
}
if(minus==1)
{
minus=0;
switch(fun)
{
case 0: break;
case 1: temp_ht-=10;break;
case 2: temp_lt-=10;break;
default: break;
}
}
if(set==1)
{
switch(fun)
{
case 0: break;
case 1: temp_h=temp_ht;break;
case 2: temp_l=temp_lt;break;
default: break;
}
set=0;
fun=0;
}
if(fun==0)
{
L2[0]='H';
L2[1]=temp_h/100+'0';
L2[2]=temp_h%100/10+'0';
L2[3]='.';
L2[4]=temp_h%10+'0';
L2[5]=' ';
L2[6]=' ';
L2[7]='L';
L2[8]=temp_l/100+'0';
L2[9]=temp_l%100/10+'0';
L2[10]='.';
L2[11]=temp_l%10+'0';
LCD_write_string(0,0,L1);
LCD_write_string(0,1,L2);
}
else if(fun==1)
{
for(i=0;i<16;i++)
{
L2[i]=' ';
}
L2[0]='S';
L2[1]='E';
L2[2]='T';
L2[3]=' ';
L2[4]='H';
L2[5]=temp_ht/100+'0';
L2[6]=temp_ht%100/10+'0';
L2[7]='.';
L2[8]=temp_ht%10+'0';
LCD_write_string(0,0," ");
LCD_write_string(0,1,L2);
}
else
{
for(i=0;i<16;i++)
{
L2[i]=' ';
}
L2[0]='S';
L2[1]='E';
L2[2]='T';
L2[3]=' ';
L2[4]='L';
L2[5]=temp_lt/100+'0';
L2[6]=temp_lt%100/10+'0';
L2[7]='.';
L2[8]=temp_lt%10+'0';
LCD_write_string(0,0," ");
LCD_write_string(0,1,L2);
}
}
}
基于Atmega16的温度采集和阈值报警课程实验以及Proteus仿真.zip （162个子文件） 
DS18B20.h.130717111250 3KB main.c.221121101816 1B main.c.221121105758 556B main.c.221121105842 768B DS18B20.h.221121110432 368B DS18B20.c.221121110534 2KB main.c.221121111412 980B DS18B20.h.221121111636 426B DS18B20.c.221121111654 2KB DS18B20.c.221121111824 2KB ds18b20.h.221121111824 458B DS18B20.c.221121112614 2KB ds18b20.h.221121112650 3KB main.c.221121112918 980B main.c.221121113046 974B ds18b20.h.221121113608 3KB main.c.221121113608 1KB main.c.221121113630 1KB ds18b20.h.221121113730 3KB ds18b20.h.221121113908 3KB ds18b20.h.221121114050 3KB ds18b20.h.221121114328 3KB ds18b20.h.221121114354 3KB ds18b20.h.221121114416 3KB ds18b20.h.221121114856 3KB ds18b20.h.221121114916 3KB ds18b20.h.221121114932 3KB ds18b20.h.221121115044 3KB main.c.221121115254 1KB main.c.221121115344 1KB DS18B20.c.221121115524 2KB main.c.221121115524 1KB main.c.221121115626 1KB main.c.221121115748 1KB main.c.221121202912 1KB main.c.221121205846 1KB main.c.221121205902 1KB main.c.221121205932 1KB main.c.221121205940 1KB main.c.221121210148 1KB main.c.221121211142 1KB main.c.221121211152 1KB main.c.221121211324 1KB main.c.221121211938 1KB ds18b20.h.221121212312 3KB ds18b20.h.221121212320 3KB main.c.221121212442 1KB ds18b20.h.221121212704 3KB ds18b20.h.221121224632 3KB ds18b20.h.221122142704 3KB main.c.221122143634 1KB ds18b20.h.221122143744 3KB ds18b20.h.221122144012 3KB DS18B20.h.221122144024 3KB main.c.221122144254 1KB main.c.221122151744 1KB DS18B20.h.221122153656 2KB main.c.221122153656 1KB main.c.221122153730 1KB main.c.221122154100 1KB DS18B20.h.221122154348 2KB main.c.221122154422 1KB DS18B20.h.221122154550 2KB main.c.221122154550 1KB main.c.221122154630 1KB DS18B20.c.221122154750 2KB main.c.221122154750 1KB DS18B20.c.221122155028 2KB DS18B20.c.221122155236 2KB DS18B20.h.221122155310 385B main.c.221122155318 1KB main.c.221122155452 1KB main.c.221122191538 1KB main.c.221122193810 2KB DS18B20.c.221122193854 2KB main.c.221122193904 2KB main.c.221122194104 2KB main.c.221122194222 2KB main.c.221122194412 2KB main.c.221122194428 2KB main.c.221122194452 2KB main.c.221122194532 2KB main.c.221122194654 2KB main.c.221122194750 2KB main.c.221122200416 2KB main.c.221122200430 2KB main.c.221122200900 2KB main.c.221122201242 2KB main.c.221122201610 3KB main.c.221122201706 3KB main.c.221122201748 3KB main.c.221122201842 3KB main.c.221122202020 3KB main.c.221122202030 3KB main.c.221122202704 3KB main.c.221122202912 3KB main.c.221122203110 3KB main.c.221122203210 3KB main.c.221122203540 3KB main.c.221122203932 3KB共 162 条
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