main.c

智能打铃系统（MCU)端程序

#include <REG52.H>
#include "Header.h"

unsigned char	hex2asc(uchar hex);
unsigned char menu(unsigned char MenuNum)	;
unsigned char EditRing(unsigned char Num);
void COM_SendAll();
void ReadTime();
void Scan_RingTime(unsigned char ScanNum);
void Set_time();
void Set_NextRT(unsigned mode);

void X0() interrupt 0
{}

void Time0() interrupt 1
{
	TH0=0xEE;						//定时器中断，隔5ms
	TL0=0x00;

	if (RingFlag==1)
	{
		if (RingET==RingST) {RingFlag=2;Beep=0;}
	}

	tc++;							//检测30秒内无操作则关背光
	if (key_flag)
	{
		LCD_BK=1;
		key_flag=0;
		KeyT2=0;
	}
	else
	{
		KeyT++;
		if (KeyT==200) {KeyT2++;KeyT=0;}
		if (KeyT2==30)  LCD_BK=0;
	}
}

void X1() interrupt 2
{}

void Time1() interrupt 3
{}

void Com1() interrupt 4
{
	if (RI)
	{
		RI=0;
		Com_buff[Com_count]=SBUF;
		In_flag=1;
	}
}

void COM_SendAll()
{
	unsigned char rMax,i,temp;
	temp=Mem_Read(0x00);
	rMax=1+3*temp;
	for (i=0;i<rMax;i++)
	{
		temp=Mem_Read(i);
		COM_Send(temp);
		delay_ms(2);
	}
}

unsigned char	hex2asc(uchar hex)		//16进制转ASC码
{
	hex &=0x0f;
	if (hex>9) 
		return ( hex - 10 + 'A' );
	else
		return ( hex + '0' );
}

unsigned char BCD2HEX(unsigned char BCD)
{
	unsigned char temp1,temp2;
	temp1=(BCD>>4)*10;
	temp2=BCD & 0x0f;
	return (temp1+temp2);
}

unsigned char HEX2BCD(unsigned char HEX)
{
	unsigned char temp1,temp2;
	temp1=(HEX/10)<<4;
	temp2=HEX%10;
	return (temp1+temp2);
}

void Init()							//初始化
{
	unsigned char temp;
	RingFlag=0;
	temp=DS1307_Read(Second );	//初始化时钟芯片
	if(temp&0x80)	DS1307_Write(Second,(temp&0x7f));

	TH0=0xEE;			//定时器中断，隔50ms读取一次时间
	TL0=0x00;			
	TH1=0xFD;		//串口波特率9600
	TL1=0xFD;

	TMOD=0x21;		//T1以方式2工作，T0以方式0工作
	SCON=0xd8;		//设置串口工作方式
	PCON&=0x7f;		//波特率倍频	
	IE=0x9A;			//设置中断允许
						//	ES=1;				//开串口中断
						//	ET0=1;			//定时器中断允许
						//	ET1=1;
						//	EA=1;				//开总中断
	PS=1;
	LCD_init();		//初始化液晶

	Com_flag=0;
	LCD_BK=1;
	key_flag=1;
	RingFlag=0;
	KeyT=0;
	Com_over=0;
	NextRingNum=1;
}

void ReadTime()					//读取时间
{
	uchar temp;
	temp=DS1307_Read(Yearh);
	str_date[0]=(temp>>4)+'0';
	str_date[1]=(temp&0x0f)+'0';
	temp=DS1307_Read(Year);
	str_date[2]=(temp>>4)+'0';
	str_date[3]=(temp&0x0f)+'0';
	temp=DS1307_Read(Month);
	str_date[6]=(temp>>4)+'0';
	str_date[7]=(temp&0x0f)+'0';
	temp=DS1307_Read(Date);
	str_date[10]=(temp>>4)+'0';
	str_date[11]=(temp&0x0f)+'0';

	temp=DS1307_Read(Hours);
	str_time[0]=(temp>>4)+'0';
	str_time[1]=(temp&0x0f)+'0';
	temp=DS1307_Read(Minute);
	str_time[3]=(temp>>4)+'0';
	str_time[4]=(temp&0x0f)+'0';
	temp=DS1307_Read(Second);
	RingST=temp;
	str_time[6]=(temp>>4)+'0';
	str_time[7]=(temp&0x0f)+'0';

	temp=DS1307_Read(Day);
	temp-=1;
	str_day[4]=str_dayx[temp][0];
	str_day[5]=str_dayx[temp][1];
}

unsigned char EditRing(unsigned char Num)
{
	unsigned char temp,quit,m;
	unsigned char Record[3]={0,0,0};
	m=Read_RingTime(Num,Record);
		quit=1;
	while(quit)
	{
		while (quit==1)
		{
			LCD_write(0x01,COMM);
			delay_ms(3);
			LCD_write_string(0,0,"选择打铃类型");
			LCD_write_string(0,1,"按上下键选择");
			LCD_write_string(3,2,"普通");
			LCD_write_string(3,3,"上课");
			if (Record[2])
				LCD_set_position(2,3);
			else
				LCD_set_position(2,2);
			LCD_write(0x10,DATT);
			key=0xff;
			while(key==0xff) key=ScanKey();
			if (0xff-key)
			{
				key_flag=1;
				KeyT=0;
			}
			if ((key==KEY_UP)||(key==KEY_DOWN)) 
			{
				if (Record[2]) Record[2]=0;
				else	Record[2]=0x45;
			}
			else if (key==KEY_ENT) quit=2;
			else if (key==KEY_ESC) quit=0;
		}
		temp=0;
 	   while(quit==2)
		{
			LCD_write(0x01,COMM);
			delay_ms(3);
			LCD_write_string(0,0,"设置打铃时间");
			LCD_write_string(0,2,"上下键移动光标");
			LCD_write_string(0,3,"数字键输入时间");
			LCD_set_position(2,1);
			LCD_write((hex2asc(Record[0]>>4)),DATT);
			LCD_write((hex2asc(Record[0])),DATT);
			LCD_write_string(3,1,"点      分");
			LCD_set_position(5,1);
			LCD_write(hex2asc(Record[1]>>4),DATT);
			LCD_write(hex2asc(Record[1]),DATT);
			LCD_set_position(1+temp,1);
			LCD_write(0x10,DATT);
			key=0xff;
			while(key==0xff) key=ScanKey();
			if (0xff-key)
			{
				key_flag=1;
				KeyT=0;
			}
			if ((key==KEY_UP)||(key==KEY_DOWN)) 
			{
				if (temp) temp=0;
				else temp=3;
			}
			else if (key<10) 
			{
				if (temp)
				{
					Record[1]<<=4;
					Record[1]+=key;
					if (Record[1]>0x59) Record[1]&=0x0f;
				}
				else 
				{
					Record[0]<<=4;
					Record[0]+=key;
					if (Record[0]>0x23) Record[0]&=0x0f;
				}
			}
			else if (key==KEY_ENT) 
			{
				if(Record[2]) quit=3;
				else quit=4;
			}
			else if (key==KEY_ESC) quit=1;	
		}

		while(quit==3)
		{
			LCD_write(0x01,COMM);
			delay_ms(3);
			LCD_write_string(0,0,"设置上课时长");
			LCD_write_string(0,3,"数字键输入时间");
			LCD_write_string(4,1,"分钟");
			LCD_set_position(3,1);
			LCD_write(hex2asc(Record[2]>>4),DATT);
			LCD_write(hex2asc(Record[2]),DATT);
			key=0xff;
			while(key==0xff) key=ScanKey();
			if (0xff-key)
			{
				key_flag=1;
				KeyT=0;
			}
			if (key<10)
			{
					Record[2]<<=4;
					Record[2]+=key;
					if (Record[2]==0) Record[2]=0x01;
			}
			else if (key==KEY_ENT) quit=4;
			else if (key==KEY_ESC) quit=2;		
		}
		if(quit==4)
		{
			Write_RingTime(Num,Record);
			if (m==0)
			{
				temp=Mem_Read(0);
				temp++;
				Mem_Write(0,temp);
			}
			Ring_Paixu();
			Set_NextRT(1);
			return (Num);
		}
	}
	return (0);
}

void Scan_RingTime(unsigned char ScanNum)
{
	uchar RingCount,temp,quit,MC,Record[3];
	RingCount=Mem_Read(0x00);
	quit =1;
	if (RingCount==0) 
	{
		MC=menu(NORECORD);
		if (MC==1) quit=EditRing(0x01);
		else quit=0;
	}
//	ScanNum=1;
	while (quit)
	{
			LCD_write(0x01,COMM);
			delay_ms(3);
			LCD_write_string(0,0,"===== 浏览 =====");
			temp=Read_RingTime(ScanNum,Record);
			if(temp) 
			{
				LCD_set_position(0,1);
				LCD_write(hex2asc(ScanNum>>4),DATT);
				LCD_write(hex2asc(ScanNum),DATT);
	 			LCD_write_string(1,1,"铃声类型：");
				LCD_write_string(1,2,"时间: ");
				LCD_write(hex2asc(Record[0]>>4),DATT);
				LCD_write(hex2asc(Record[0]),DATT);
				LCD_write(':',DATT);
				LCD_write(hex2asc(Record[1]>>4),DATT);
				LCD_write(hex2asc(Record[1]),DATT);
				if(Record[2]) 
				{
					LCD_write_string(6,1,"上课");
					LCD_write_string(1,3,"上课时长：");
					LCD_write(hex2asc(Record[2]>>4),DATT);
					LCD_write(hex2asc(Record[2]),DATT);
				}
				else
				{
					LCD_write_string(6,1,"普通");
				}
			}
			else
			{
				if (ScanNum>0) ScanNum--;
				else quit=0;
			}
			key=0xff;
			while((key==0xff)&&(quit)) key=ScanKey();
			if (0xff-key)
			{
				key_flag=1;
				KeyT=0;
			}
			if((key==KEY_UP)&&(ScanNum>1)) ScanNum--;
			else if((key==KEY_DOWN)&&(ScanNum<RingCount)) ScanNum++;
			else if((key==KEY_ENT)||(key==KEY_FUNC))
			{
				MC=menu(SCANMENU);
				if(MC==0) quit=0;
				else if 	(MC==1) 
				{
					quit=EditRing(ScanNum);
					if (quit) ScanNum=quit;
				}
				else if	(MC==2)
				{
					quit= EditRing(RingCount+1);//EditRing(ScanNum);
					if (quit) 
					{
						ScanNum=quit;
						RingCount++;
					}
				}
				else if	(MC==3) 
				{
					RingCount=DelRing(ScanNum);
					if(RingCount)
					{					
						if (ScanNum>RingCount)
				 		ScanNum--;
						Set_NextRT(1);
					}
					else
					{Scan_RingTime(1);quit=0;}
				}
			}