void setup()
{
unsigned char sec;
write1302(WRITE_PROTECT, 0x00);
sec = read1302(READ_SECOND);
sec &= ~(1 << 7);
write1302(WRITE_SECOND, sec); // disable halt mode
write1302(WRITE_PROTECT, 0x80);
}
void main()
{
bit ds18b20_exit; //存储ds18b20是否存在
int time_temp; //存储时间数据
unsigned char temp; //存储char型温度
led_1 = 1;
led_2 = 1;
BEEP = 1;
warning();
serial_int(enable, baud9600, disable);
int_lcd1602( rightmove, cursornotdisplay);
setds1302(second,0);
setds1302(minute,0);
setds1302(hour,0);
setds1302(year,14);
setds1302(month,2);
setds1302(day,7);
setds1302(weekday,5);
ele_mode(1);
EA = 1;
while(1)
{
/*显示温度阈值*/
display_temp[0] = temp_set/10%10+0x30;
display_temp[1] = temp_set%10+0x30;
display_temp[2] = '\0';
print1602( display_temp, 0,14);
printchar1602(' ', 1, 15);
/*开始测量温度*/
ds18b20_exit =int_18b20();
if( ds18b20_exit ==0 )
{
temperature = read_temper();
if(temperature<=80.0)
{
translate( temperature, display_temp);
print1602( display_temp, 0, 0);
}
}
else
{
print1602( "Not Found", 0, 1);
led_1 = 0;
led_2 = 0;
warning();
waitms(500);
clear1602_10(0);
}
/*设置温度阈值*/
if(key_1==0)
temp_set++;
if(key_2==0)
temp_set--;
if(temp_set<10)
temp_set = 10;
if(temp_set>70)
temp_set = 70;
/*开始判断温度并指示升温降温*/
temp = (unsigned char)temperature;
if(temp>temp_set)
{
if(temp-temp_set>1)
{
led_1 = 1;
led_2 = 0;
warning();
}
else
{
led_1 = 1;
led_2 = 1;
}
}
else
{
if(temp_set-temp>1)
{
led_1 = 0;
led_2 = 1;
warning();
}
else
{
led_1 = 1;
led_2 = 1;
}
}
/*开始显示时间*/
time_temp =read1302(hour);
if(time_temp<=23)
{
translate_print(time_temp,display_temp);
print1602(display_temp,1,2);
}
time_temp =read1302(minute);
if(time_temp<=60)
{
translate_print(time_temp,display_temp);
print1602(display_temp,1,5);
}
time_temp =read1302(second);
time_temp =read1302(second); //读取两次为了保证能够读取数据成功
if(time_temp<=60)
{
translate_print(time_temp,display_temp);
print1602(display_temp,1,8);
/*设置冒号闪烁*/
if(time_temp%2!=1)
{
print1602(" ",1,4);
print1602(" ",1,7);
}
else
{
print1602(":",1,4);
print1602(":",1,7);
}
}
}
}
