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仿真原理图如下
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部分单片机代码如下:
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+ `! z% @! L9 x. x" v$ x' h2 K#include "sys.h"# C9 u: H, x: q5 G5 U9 o3 u/ J7 B
#include "usart.h" ) i& c, }; D3 \0 k# U
#include "delay.h"
4 T P. ?& @, n; U. W#include "led.h"
: `0 K Y- j8 l/ I% `+ `#include "key.h"2 _9 d/ `' w" h8 x
#include "oled.h"1 T# F% D+ p2 `2 ]8 ?% H
#include "beep.h"
) Z8 f% B) q) P/ N( l$ S' C- n#include "rtc.h"
+ N2 U' N& Q9 ?2 V1 x% S#include "ds18b20.h"
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u8 year_buf[4];
9 O5 s; R' i/ E# b6 |# ^$ i* du8 month_buf[2];7 S# {- N' r; q! y A
u8 day_buf[2];/ B2 c/ Z' e8 P$ t# D: V6 B
u8 temp_buf[4];
7 Y$ z% }- N: ]/ q. `3 h; ?8 yu8 war[8];
+ T* Y/ h' |- \3 Z( G- b7 iu8 text[8];. \4 J7 C3 ~3 D1 q
u8 yuzhi=30;6 U' f1 h; N+ y! N: L, w% Z
int main(void)
# ?; b2 b3 K) e/ b{
: i* I- Y t1 n$ X short tem,tem1;
; N( \$ k/ G8 J: S( E u8 B1_Flag=0;
9 ?: g& k' w* i" ]+ P+ C u16 temp;
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delay_init(); //延时初始化9 h( Q4 |+ L, C4 ]" b! e
NVIC_PriorityGroupConfig(NVIC_PriorityGroup_2);//设置中断优先级分组为组2:2位抢占优先级,2位响应优先级' j. o9 k/ k0 @' }1 }6 f$ K
Gpio_IIC_Init();
; v. e6 H' }+ N- e) H( b) L2 }' N beep_Init();! I- A+ r. U2 F& d% |$ H
Key_Init();5 u2 Z+ I. v# Z6 }, Q' P
OLED_Init();% h; u+ ^( d* t
delay_ms(200);
/ c4 c( _4 s3 b3 Z- ] OLED_CLS();
9 [8 Y) {9 f9 K5 y& c OLED_Refresh();, W$ L0 R2 L% D" N
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while(1)
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tem = DS18B20_Get_Temp_Pin_11(); //获取温度+ H8 C9 ]& D% N, Q# P# z$ u
if( tem>0)3 Q) s/ b ` X; z; c/ q* j
{
. R9 E; z7 B: ?' Z9 ~ sprintf((char *)war,"Tem:%d%d.%d",tem/100,tem%100/10,tem%10);( A1 e4 X0 z- n+ P
}
! W. N |* y; K3 b4 A7 w4 v! }: e! W* Z else
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& C% C, w; L( z2 { f3 O tem1=(int)tem;
" U! K. p! s; \' \9 Y tem1=abs(tem1);
! C1 q, `! a, g1 g6 ?8 e0 p0 m tem1=-(tem);
' k( M2 L' G- K4 ` tem1=tem1+1;
- i1 u5 J H+ K, L8 B& B sprintf((char *)war,"Tem:-%d%d.%d",tem1/100,tem1%100/10,tem1%10);8 j, X8 d/ H; f; e5 t/ ~4 g! A
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}
_. i! r3 R9 O$ P: G2 R( [ OLED_P8x16Str(8,2,war);9 V% t$ Y& M+ T/ [+ s
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sprintf((char *)war,"yuzhi:%d",yuzhi);
% A$ M6 c; J5 i* w; I/ x7 h OLED_P8x16Str(8,0,war);
$ D# w0 ~4 N1 Y+ K8 h if(tem>yuzhi*10)6 ]1 g7 n- w. i
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PBeep=0;
( `' y! M% [' U+ i6 T3 [9 e }
/ b# j5 G% m2 J if(tem<=yuzhi*10)
- ? u# @4 h. s7 U2 h) C* s1 U* p+ o$ F {
! q" O% r/ l) m: r* s% H; k8 [ PBeep=1;" _8 h5 f; G# d; A* W' x; b! F
}
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) }5 |2 n$ _. y; W- p key=KEY_Scan();
( Y2 U; a+ A6 Q9 ^8 m9 H8 W if(key!=0)
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switch(key)
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; d; b" Q2 z3 v' b, @ case 1:
' [# [$ o, s) D3 B& B; g$ H yuzhi++;
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