第一次代码优化,增加温度显示功能。

2026-07-07 09:09:27 +08:00
parent 90b9918dc2
commit 971abf1cd8
13 changed files with 4412 additions and 0 deletions
@@ -0,0 +1,246 @@
+/*******************************************************************************
+* ʵ����			   : ������ʵ��
+* ʹ�õ�IO	     : 
+* ʵ��Ч��       :1602��ʾʱ�ӣ���K3����ʱ�����ã���K1ѡ�����õ�ʱ�������£���K2ѡ��
+*ѡ�����ü�1�� 
+*	ע��					 ��
+*******************************************************************************/
+
+#include<reg51.h>
+#include"lcd.h"
+#include"ds1302.h"
+#include"ds18b20.h"
+
+sbit K1=P3^1;
+sbit K2=P3^0;
+sbit K3=P3^2;
+sbit K4=P3^3;	 //�ܽŽ���
+
+void Int0Configuration();
+void LcdDisplay();
+void TempPros(void);
+unsigned char SetState,SetPlace;
+int temperature = 0;
+unsigned char temp_cnt = 0;
+void Delay10ms(void);   //��� 0us
+/*******************************************************************************
+* ������         : main
+* ��������		   : ������
+* ����           : ��
+* ���         	 : ��
+*******************************************************************************/
+
+void main()
+{
+	unsigned char i;
+	Int0Configuration();
+	LcdInit();
+	Ds1302Init();
+	DS18B20_SetResolution(0x3F);	// 10λ���ȣ�ת��ʱ��187.5ms
+	DS18B20_StartConvert();
+	while(1)
+	{	
+		if(SetState==0)
+		{
+			Ds1302ReadTime();
+		}
+		else
+		{
+			if(K1==0)		//��ⰴ��K1�Ƿ���
+			{
+				Delay10ms();	//��������
+				if(K1==0)
+				{
+					SetPlace++;
+					if(SetPlace>=7)
+						SetPlace=0;					
+				}
+
+				while((i<50)&&(K1==0))	 //��ⰴ���Ƿ��ɿ�
+				{
+					Delay10ms();
+					i++;
+				}
+				i=0;
+			}
+			if(K2==0)		//��ⰴ��K2�Ƿ���
+			{
+				Delay10ms();	//��������
+				if(K2==0)
+				{
+					TIME[SetPlace]++;
+					if((TIME[SetPlace]&0x0f)>9)					 //����BCD�롣
+					{
+						TIME[SetPlace]=TIME[SetPlace]+6;
+					}
+					if((TIME[SetPlace]>=0x60)&&(SetPlace<2))		//����ֻ�ܵ�59
+					{
+						TIME[SetPlace]=0;
+					}
+					if((TIME[SetPlace]>=0x24)&&(SetPlace==2))		//Сʱֻ�ܵ�23
+					{
+						TIME[SetPlace]=0;
+					}
+					if((TIME[SetPlace]>=0x32)&&(SetPlace==3))		//��ֻ�ܵ�31
+					{
+						TIME[SetPlace]=0;	
+					}
+					if((TIME[SetPlace]>=0x13)&&(SetPlace==4))		//��ֻ�ܵ�12
+					{
+						TIME[SetPlace]=0;
+					}	
+					if((TIME[SetPlace]>=0x7)&&(SetPlace==5))		//��ֻ�ܵ�7
+					{
+						TIME[SetPlace]=1;
+					}		
+				}
+				
+				while((i<50)&&(K2==0))	 //��ⰴ���Ƿ��ɿ�
+				{
+					Delay10ms();
+					i++;
+				}
+				i=0;
+				
+			}						
+		}
+		
+		temp_cnt++;
+		if(temp_cnt >= 5)
+		{
+			temp_cnt = 0;
+			TempPros();
+		}
+		
+		LcdDisplay();	
+	}
+	
+}
+/*******************************************************************************
+* ������         : LcdDisplay()
+* ��������		   : ��ʾ����
+* ����           : ��
+* ���         	 : ��
+*******************************************************************************/
+
+void LcdDisplay()
+{
+	int temp_disp;
+	
+	// Row 0: 20YY-MM-DD W
+	LcdWriteCom(0x80);
+	LcdWriteData('2');
+	LcdWriteData('0');
+	LcdWriteData('0'+TIME[6]/16);			//��
+	LcdWriteData('0'+(TIME[6]&0x0f));
+	LcdWriteData('-');
+	LcdWriteData('0'+TIME[4]/16);			//��
+	LcdWriteData('0'+(TIME[4]&0x0f));
+	LcdWriteData('-');
+	LcdWriteData('0'+TIME[3]/16);			//��
+	LcdWriteData('0'+(TIME[3]&0x0f));
+	LcdWriteCom(0x8B);
+	LcdWriteData('0'+(TIME[5]&0x07));	//����
+
+	// Row 1: HH:MM:SS xx.xC
+	LcdWriteCom(0x80+0X40);
+	LcdWriteData('0'+TIME[2]/16);				//ʱ
+	LcdWriteData('0'+(TIME[2]&0x0f));				 
+	LcdWriteData(':');
+	LcdWriteData('0'+TIME[1]/16);				//��
+	LcdWriteData('0'+(TIME[1]&0x0f));	
+	LcdWriteData(':');
+	LcdWriteData('0'+TIME[0]/16);				//��
+	LcdWriteData('0'+(TIME[0]&0x0f));
+
+	// Temperature display at position 9
+	LcdWriteCom(0x80+0x40+0x09);
+	temp_disp = temperature;
+	if(temp_disp < 0)
+	{
+		LcdWriteData('-');
+		temp_disp = -temp_disp;
+	}
+	else
+	{
+		LcdWriteData(' ');
+	}
+	LcdWriteData('0' + temp_disp / 100);
+	LcdWriteData('0' + (temp_disp / 10) % 10);
+	LcdWriteData('.');
+	LcdWriteData('0' + temp_disp % 10);
+	LcdWriteData('C');		 
+}
+/*******************************************************************************
+* ������         : TempPros
+* ��������		   : 读取DS18B20温度并启动下一次转换
+* ����           : ��
+* ���         	 : ��
+*******************************************************************************/
+void TempPros()
+{
+	int raw;
+	unsigned char sign = 0;
+
+	if(!DS18B20_GetTemp(&raw))
+		return;
+
+	if(raw & 0x8000)
+	{
+		raw = ~raw + 1;
+		sign = 1;
+	}
+
+	temperature = raw * 10 / 16;
+	if(sign)
+		temperature = -temperature;
+
+	DS18B20_StartConvert();
+}
+/*******************************************************************************
+* ������         : Int0Configuration()
+* ��������		   : �����ⲿ�ж�0
+* ����           : ��
+* ���         	 : ��
+*******************************************************************************/
+
+void Int0Configuration()
+{
+	//����INT0
+	IT0=1;//�����س�����ʽ���½��أ�
+	EX0=1;//��INT0���ж�������
+	EA=1;//�����ж�	
+}
+/*******************************************************************************
+* ������         : Int0() 
+* ��������		   : �ⲿ�ж�0 �жϺ���
+* ����           : ��
+* ���         	 : ��
+*******************************************************************************/
+
+void Int0() interrupt 0		 
+{
+	Delay10ms();
+	if(K3==0)
+	{
+		if(SetState == 1)		// �˳�����ģʽʱ������ʱ�䱣�浽DS1302
+		{
+			Ds1302WriteTime();
+		}
+		SetState=~SetState;
+		SetPlace=0;
+	}
+}
+/*******************************************************************************
+* ������         : Delay10ms
+* ��������		   : ��ʱ��������ʱ10ms
+* ����           : ��
+* ���         	 : ��
+*******************************************************************************/
+void Delay10ms(void)   //��� 0us
+{
+    unsigned char a,b,c;
+    for(c=1;c>0;c--)
+        for(b=38;b>0;b--)
+            for(a=130;a>0;a--);
+}