#include "main.h"
uchar LED[] = {0,0,0,0,0,0,0,0};
uchar SMG[] = {16,16,16,16,16,16,16,16};
uchar dot[] = {0,0,0,0,0,0,0,0};
uchar key;
uint temp = 0;
uchar da_num = 0;
uchar temp_set = 25;
uint V_dac = 0;
uchar display_state;
uchar mode = 0;
void da_read()
{
da_num = pcf8591_read(0x40);
SMG[1] = da_num%1000/100;
SMG[2] = da_num%100/10;
SMG[3] = da_num%10;
}
void data_pro()
{
if(display_state != 1)
{
if(mode == 0)
{
if(temp*0.01 < temp_set)
{
pcf8591_write(0x40,0x00);
V_dac = 0;
}
else
{
pcf8591_write(0x40,0xff);
V_dac = 500;
}
}
else
{
if(temp*0.01 < 20)
{
pcf8591_write(0x40,0x33);
V_dac = 100;
}
else if(temp*0.01 > 40)
{
pcf8591_write(0x40,0xcc);
V_dac = 400;
}
else
{
V_dac = (int)((3/20.0*temp*0.01 - 2.0)*100);
pcf8591_write(0x40,V_dac*0.01*51);
}
}
}
}
void temp_display()
{
temp = ds18b20_read(2);
SMG[0] = 12;
SMG[1] = 16;
SMG[2] = 16;
SMG[3] = 16;
SMG[4] = temp/1000;
SMG[5] = temp%1000/100;
SMG[6] = temp%100/10;
SMG[7] = temp%10;
dot[5] = 1;
da_read();
}
void parameter_display()
{
SMG[0] = 18;
SMG[1] = 16;
SMG[2] = 16;
SMG[3] = 16;
SMG[4] = 16;
SMG[5] = 16;
SMG[6] = temp_set/10;
SMG[7] = temp_set%10;
dot[5] = 0;
da_read();
}
void dac_display()
{
SMG[0] = 10;
SMG[1] = 16;
SMG[2] = 16;
SMG[3] = 16;
SMG[4] = 16;
SMG[5] = V_dac/100;
SMG[6] = V_dac%100/10;
SMG[7] = V_dac%10;
dot[5] = 1;
da_read();
}
void led_pro()
{
(mode == 0)?(LED[0] = 1):(LED[0] = 0);
(display_state == 0)?(LED[1] = 1):(LED[1] = 0);
(display_state == 1)?(LED[2] = 1):(LED[2] = 0);
(display_state == 2)?(LED[3] = 1):(LED[3] = 0);
led(LED);
}
void smg_pro()
{
switch(display_state)
{
case 0:temp_display();
break;
case 1:parameter_display();
break;
case 2:dac_display();
break;
}
display(SMG,dot);
}
void key_pro()
{
key = key_scan();
switch(key)
{
case 1:mode = (++mode)%2;
break;
case 2:
{
if(display_state == 1)
{
temp_set++;
if(temp_set == 100)
temp_set = 0;
}
}
break;
case 3:display_state = (++display_state)%3;
break;
case 4:
{
if(display_state == 1)
{
temp_set--;
if(temp_set == 255)
temp_set = 99;
}
}
break;
}
}
void main()
{
init_all();
temp = ds18b20_read(2);
delayus(750);
temp = 0;
while(1)
{
led_pro();
smg_pro();
key_pro();
data_pro();
}
}
十二届蓝桥杯代码.zip （33个子文件） 
十二届蓝桥杯代码 SYSTEM 
sys.h 313B sys.c 621B USER 十二届蓝桥杯.uvproj 15KB Objects 十二届蓝桥杯 49KB ds18b20.obj 9KB 十二届蓝桥杯.lnp 233B 十二届蓝桥杯.hex 8KB timer.obj 4KB pcf8591.obj 11KB sys.obj 6KB ExtDll.iex 19B 十二届蓝桥杯.build_log.htm 1KB main.obj 14KB led_key_smg.obj 9KB 十二届蓝桥杯.uvgui.SYMZA 140KB Listings ds18b20.lst 4KB pcf8591.lst 6KB led_key_smg.lst 4KB main.lst 6KB timer.lst 1KB sys.lst 2KB 十二届蓝桥杯.m51 37KB main.h 154B 十二届蓝桥杯.uvopt 9KB main.c 3KB HARDWARE DS18B20 ds18b20.h 102B ds18b20.c 2KB TIMER timer.c 22B timer.h 66B PCF8591 pcf8591.h 152B pcf8591.c 2KB LED_KEY_SMG led_key_smg.c 1KB led_key_smg.h 160B资源评论
