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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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) h) ]1 r9 a4 X% g* ]# L7 ^' W3 F#include "sys.h"" k1 ]9 |; h, A6 g4 e9 g& W' W ~3 \
#include "usart.h" % E, [9 t4 G' @8 u1 [6 k
#include "delay.h" 4 h' ~$ f" y8 w) C1 O. t9 B" x
#include "led.h"
" L, D: q4 i: ]7 N#include "key.h"
8 g9 G# s0 f/ C3 i& B# y#include "oled.h"
5 ~7 t; J! f; \#include "beep.h"
6 c- A" x$ x, K. Z6 S9 _#include "rtc.h"
: y/ S& `* R+ V; x' K#include "ds18b20.h"
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u8 year_buf[4];$ d- U3 H+ m" V
u8 month_buf[2];
% `- H; m; P7 l1 s+ L" W, Nu8 day_buf[2]; X7 T( d* o u; ^! W
u8 temp_buf[4];8 x9 B+ k2 I' u; G- D& D; m, X
u8 war[8];
/ G# m$ `) m# u, r- t! Vu8 text[8];
2 }4 y8 R* R+ [# F( y) Zu8 yuzhi=30;
# w( C* V5 n# ?6 ?int main(void)2 Y0 R' o7 g! C- `% g
{
+ t. C" F! y. j8 T4 E+ _- W short tem,tem1;
/ C. Q& a q0 Y) R' G u8 B1_Flag=0;& S7 j5 u/ t Y% d
u16 temp;
' Y6 p$ S) T1 F2 @ u8 key;
5 \ X; ]4 x8 r% N& a5 w+ I delay_init(); //延时初始化* m! H# K8 Y1 ^
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
4 i* q. |+ [' }2 w Gpio_IIC_Init();: k0 m7 I# K7 j3 g% L+ U! H6 l2 D
beep_Init();7 g8 e+ c: ]# l2 Y
Key_Init();0 @9 P1 Y1 i( D6 o
OLED_Init();: B' M ^0 d, n$ W# |
delay_ms(200);1 w" ^& w! u% d) ^
OLED_CLS();
% g. a# H7 t# q! g: I OLED_Refresh();
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while(1)2 s; M+ T1 F! O2 G/ x7 k* F
{
- J4 S7 Z( n5 \7 I$ s tem = DS18B20_Get_Temp_Pin_11(); //获取温度" r2 W( H. H% C" n
if( tem>0)
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sprintf((char *)war,"Tem:%d%d.%d",tem/100,tem%100/10,tem%10);
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else
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tem1=(int)tem;
2 g7 @( {2 h9 _7 i" H tem1=abs(tem1);5 P, V: N9 e7 l
tem1=-(tem);8 {) x" b) t8 q: [5 ^' k0 w
tem1=tem1+1;
/ i# H7 A H4 ~ m# X sprintf((char *)war,"Tem:-%d%d.%d",tem1/100,tem1%100/10,tem1%10);4 Y+ ~6 `" ?, V# d: @. H
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OLED_P8x16Str(8,2,war);0 N6 r# I" y* @! K) G
! ?5 G8 c/ _! G/ _$ Q& f sprintf((char *)war,"yuzhi:%d",yuzhi);
9 |) s" T2 x8 f! d d OLED_P8x16Str(8,0,war);
7 _/ N' l( `7 Y if(tem>yuzhi*10)/ Q9 [, F5 A2 q4 d+ i& P
{
: Y2 x% }4 t, @- e. c' l* r' h PBeep=0;
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3 S. [/ S" _' S% ~+ v! u if(tem<=yuzhi*10)9 @" G" s% p, l9 b2 a% [
{
, }" w Y% G" H! O# a PBeep=1;6 L, ?4 \/ @' ?7 ?. ~
}
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key=KEY_Scan();1 Z2 H. z. v8 Y) A
if(key!=0)
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n3 h& |3 @3 m3 y3 ? switch(key)
7 }; L. ~/ O" H7 j' B {
8 a" \5 `. p7 r2 D0 K case 1:
0 Q0 i6 A/ e5 _/ ~ yuzhi++;
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