實驗平台：ct107d
實驗晶元：stc15f2k60s2
實驗現象：完成題目要求
**如下
#include
"stc15f2k60s2.h"
sbit dq = p1^4;
//單匯流排介面
//單匯流排延時函式
void
delay_onewire
(unsigned
int t)
//stc89c52rc
//通過單匯流排向ds18b20寫乙個位元組
void
write_ds18b20
(unsigned
char dat)
delay_onewire(5
);}//從ds18b20讀取乙個位元組
unsigned
char
read_ds18b20
(void
)delay_onewire(5
);}return dat;
}//ds18b20裝置初始化
bit init_ds18b20
(void
)unsigned
intduwendu()
#ifndef __onewire_h
#define __onewire_h
unsigned
char
rd_temperature
(void);
//; ;
unsigned
intread_temp()
;#endif
#include
#include
#define uchar unsigned char
#define uint unsigned int
sbit buzz = p0^6;
sbit led1 = p0^0;
sbit led2 = p0^1;
sbit led3 = p0^2;
sbit led8 = p0^7;
bit open_flag =0;
bit pwm_flag =0;
bit s7_flag =0;
bit temp_flag =0;
sbit key_in1 = p3^0;
sbit key_in2 = p3^1;
sbit key_in3 = p3^2;
sbit key_in4 = p3^3;
uchar code duan=
;uchar keysta=
;uchar keymap=
;uchar disbuff[8]
;uchar mode=1;
uchar pwm;
uchar time;
uchar temp =10;
uchar pwm_count;
void
led()if
(pwm_flag ==0)
if(mode ==1)
if(mode ==2)
if(mode ==3)
}void
close_buzz()
void
display()
void
show_num()
else
}void
keyscan()
; uchar j;
keybuff[0]
= keybuff[0]
<<
1|key_in1;
keybuff[1]
= keybuff[1]
<<
1|key_in2;
keybuff[2]
= keybuff[2]
<<
1|key_in3;
keybuff[3]
= keybuff[3]
<<
1|key_in4;
for(j=
0;j<
4;j++
)elseif(
(keybuff[j]
&0x0f)==
0x0f)}
}void
keyfun
(uchar key)
if(s5_count ==0)
if(s5_count ==1)
if(s5_count ==2)
open_flag =1;
break
;case4:
if(++mode ==
4) mode =1;
break;}
}void
keydrive()
; uchar i;
for(i=
0;i<
4;i++
) keyback[i]
= keysta[i];}
}}void
pwm_set()
if(mode ==2)
if(mode ==3)
}void
timer0init
(void
)//100微秒@11.0592mhz
void
time1
() interrupt 1
if(open_flag ==1)
}if(++sec_count ==
10000)if
(time ==0)
}led()
;}void
main()
}}
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