128riliok.c

通过AVR atmege128 单片机显示模块显示年月日、日分秒、通过3个按键调试大小进行设置LCD显示模块RT0802A

	//632896			
//Target : atmega128
//crystal:11.0592MHZ
//#define F_CPU 11059200UL
#include <inttypes.h>
#include <string.h>
//#include <avr/signal.h>			//2005
#include <avr/interrupt.h>		//2006

//#include <avr/delay.h>			//2005
#include <util/delay.h>		//2006
//#include <avr/wdt.h>
#include <avr/io.h>
#include <avr/sfr_defs.h>
#include <avr/eeprom.h>
#include <avr/pgmspace.h>

#define TRUE  1
#define FALSE 0

/******************timerone***********************/
#define EN_TIMERONE_INT  (TIMSK = _BV(TOIE1))
#define DIS_TIMERONE (TCCR1B = (TCCR1B & 0xf8))
#define EN_TIMERONE  (TCCR1B = (TCCR1B | 0x03))
#define DELAY100H    0xDE			//50ms
#define DELAY100L    0xCF

/******************count clock*******************/
//#define ONE_MINUTES	60
#define SECONDS	20
//#define ONE_HOURS	24

/******************Usart init*******************/
#define BAUDRATEH 0X00	//9600
#define BAUDRATEL 0X19

/******************port init*******************/
#define SB_RW PORTG |= (1<<PG0)
#define CB_RW PORTG &= ~(1<<PG0)
#define SB_RS PORTC |= (1<<PC5)
#define CB_RS PORTC &= ~(1<<PC5)
#define SB_E PORTC |= (1<<PC7)
#define CB_E PORTC &= ~(1<<PC7)
uint16_t  Count=0;
uint8_t Switch_in;
uint16_t count=0;
uint8_t miao;
uint8_t fen;
uint8_t shi;
uint8_t yue;
uint8_t xq;
uint8_t nian;
uint8_t ri;
uint8_t Key;
uint8_t ret;
uint8_t s1num;
uint8_t exit_set_stutas;
	uint8_t Key1;
	uint8_t Key2;
	uint8_t delay2miao=0;

//uchar  table[]="  2008-08-20 03";//年月日 星期 
//uchar  table1[]="    12:00:00";  //时分秒 
unsigned char  table[]="09-01-10 03";//年月日 星期 
unsigned char  table1[]="12:58:00";  //时分秒 
void DelayMs(unsigned int t)				//1ms
{
	unsigned int i;
	for(i=0;i<t;i++)
	{
		_delay_loop_2(2765);			
	}
}
static void Timerone_Init(void)
{
	TCCR1A = 0;
	TCCR1B = _BV(CS12);//|_BV(CS10);
	SFIOR = _BV(PSR321);
	TIFR = _BV(TOV1);
	//TCNT1H = DELAY100H;
	//TCNT1L = DELAY100L; //50ms
	TCNT1H=0xAB;//(65536-50000)/256; 
	TCNT1L=0xA0;//(65536-50000)%256;
	TIMSK  = _BV(TOIE1);
}

void Port_Init(void)
{
	DDRA = 0xFF;
	PORTA = 0x00;
	
	DDRB = (1<<DDB3)|(1<<DDB2);
	PORTB = 0x00;
	
	DDRC = 0xFF;
	PORTC = (1<<PD7)|(1<<PD5);
	
	DDRG = (1<<DDG0);
	PORTG = 0x00;
	
	DDRE = 0xFF;
	PORTE=0xFF;
	//DDRF = (1<<DDF4)|(1<<DDF3)|(1<<DDF2); 
	
	PORTF =0xFF;
}


void LCD_Com(uint8_t Command)
{
	uint8_t i=0;
	CB_RS;
	CB_RW;
	SB_E;
	PORTA = Command;	
	while(i<6)
	{
		i++;
	}	
	CB_E;
	i=0;
	SB_RW;
	while(i<6)
	{
		i++;
	}
	SB_E;
}


void LCD_Init(void)
{
	DelayMs(15);
	LCD_Com(0x38);		//set 8-bit data.
	DelayMs(5);		
	LCD_Com(0x38);		//set 8-bit data.
	DelayMs(1);	
	LCD_Com(0x38);		//set 8-bit data.
	DelayMs(1);			
	LCD_Com(0x08);		//set 8-bit data,2 hang,5*10 char
	DelayMs(1);		
	//LCD_Com(0x0C);		//set display on.
	LCD_Com(0x0F);
	DelayMs(1);			
	LCD_Com(0x01);		//clear the sreen
	DelayMs(2);	
	LCD_Com(0x06);		//set moving.06 ++ 04--
	//DelayMs(1);		
}
void LCD_Write(unsigned char Data,uint8_t Command_Data)		//row is the 80h-87h,90h-97h
{
	uint8_t i=0;
	if(Command_Data == 0)	// write the Command and add.
	{
		CB_RS;				//写指令
	}
	if(Command_Data == 1)	// write the data.
	{
		DelayMs(1);
		SB_RS;				//写数据
	}
	CB_RW;
	CB_RW;
	SB_E;					//0x0C显示开关控制0C写入,80是地址。一次写一个数据先写DATA[0]">" 再写data[1]‘1’再写data[2]‘1’
	PORTA = Data;			//片选下降沿触发表示显示开关控制0C写入		再写data[8]‘1’，再写data[1]“0“  
	while(i<6)
	{
		i++;
	}						//延时
	CB_E;
	i=0;
	SB_RW;					//片选下降沿触发表示显示开关控制0C写入
	while(i<6)
	{
		i++;
	}
	SB_E;					//片选为高等待下一次写入。
}

void LCD_Display(unsigned char Data[8],uint8_t Row)
{
	uint8_t i;
	LCD_Write(0x0c,0);							//显示方式控制
	DelayMs(1);
	if(Row == 1)
	{
//		LCD_Write((0x80),0);					//第一行第一个
		for(i=0;i<=7;i++)
		{
			LCD_Write((0x80+i),0);
			LCD_Write(Data[i],1);
		}
	}
	if(Row == 2)
	{
//		LCD_Write((0x88),0);
		for(i=0;i<=7;i++)
		{
			LCD_Write((0xA8+i),0);
			LCD_Write(Data[i],1);
		}
	}
	i=0;
}
//写时分秒数据子程序 
void Write_Sfm(unsigned char add,unsigned char date) 
{ 
	uint8_t shi,ge; 
	shi=date/10; 
	ge=date%10; 
	LCD_Write(0xA8+add,0); 
	//LCD_Write(0xA8,0);
	LCD_Write(0x30+shi,1); 
	LCD_Write(0x30+ge,1); 
} 


//写年月日星期数据子程序 
void Write_Nyr(unsigned char add,unsigned char  date) 
{ 
	uint8_t shi,ge; 
	shi=date/10; 
	ge=date%10; 
	LCD_Write(0x80+add,0); 
	LCD_Write(0x30+shi,1); 
	LCD_Write(0x30+ge,1); 
} 
void miao_shuju(void)
{
	uint8_t miao_shi;
	uint8_t miao_ge;
	miao_shi=miao/10; 
	miao_ge=miao%10;
	table1[6]=0x30+miao_shi;
	table1[7]=0x30+miao_ge;
	LCD_Display(table1,2);
	DelayMs(200);
	table1[6]=0x20+miao_shi;
	table1[7]=0x20+miao_ge;	
	LCD_Display(table1,2);
	DelayMs(200);
	table1[6]=0x30+miao_shi;
	table1[7]=0x30+miao_ge;
	LCD_Display(table1,2);	
}
void fen_shuju(void)
{
	uint8_t fen_shi;
	uint8_t fen_ge;
	fen_shi=fen/10; 
	fen_ge=fen%10;
	table1[3]=0x30+fen_shi;
	table1[4]=0x30+fen_ge;
	LCD_Display(table1,2);
}
void shi_shuju(void)
{
	uint8_t shi_shi;
	uint8_t shi_ge;
	shi_shi=shi/10; 
	shi_ge=shi%10;
	table1[0]=0x30+shi_shi;
	table1[1]=0x30+shi_ge;
	LCD_Display(table1,2);
}
void ri_shuju(void)
{
	uint8_t ri_shi;
	uint8_t ri_ge;
	ri_shi=ri/10; 
	ri_ge=ri%10;
	table[6]=0x30+ri_shi;
	table[7]=0x30+ri_ge;
	LCD_Display(table,1);
}
void yue_shuju(void)
{
	uint8_t yue_shi;
	uint8_t yue_ge;
	yue_shi=yue/10; 
	yue_ge=yue%10;
	table[3]=0x30+yue_shi;
	table[4]=0x30+yue_ge;
	LCD_Display(table,1);
}
void nian_shuju(void)
{
	uint8_t nian_shi;
	uint8_t nian_ge;
	nian_shi=nian/10; 
	nian_ge=nian%10;
	table[0]=0x30+nian_shi;
	table[1]=0x30+nian_ge;
	LCD_Display(table,1);
}


void Key_Scan(void) 
{ 
	
	uint8_t Key1;
	uint8_t Key2;
	Key1 = PIND;
	Key1 = Key1 & 0x1F; 
	DelayMs(10);
	Key2 = PIND;
	Key2 = Key2 & 0x1F;
	if((Key1==Key2)&&(Key1!=0))
	{
		//Key_Work_Flag=1;
		Key=Key1;

		if(Key==0x1D)			//TRANS
		{
			ret=2;
		} 
		if(Key==0x1B)			//STO
		{
			ret=3;
		} 
		if(Key==0x17)			//MD
		{
			ret=4;
		} 
	//等待弹起 
		/*while(1)
		{
			Key1 = PIND;
			Key1 = Key1 & 0x1F; 
			if (Key1==0)
			{	
				DelayMs(5);
				break;
			}
		}*/
	}	
	//return Key_Work_Flag;
	//return ret;
}
void delay_2time(uint8_t t)
{
	uint8_t i;
	for(i=t;i<=t;i++)
	{
		PORTE&=!_BV(PE2);
		DelayMs(50); 
		PORTE|=_BV(PE2);
		DelayMs(50);
	}
}
void exit_set_status(void)
{
	
	while(delay2miao<=200)
	{
		DelayMs(20);
		Key_Scan();
		if(Key2!=0)
		{
			delay2miao=0;
			break;
		}
		if(Key2==0)
		{
			if(delay2miao!=200)		
			{
				delay2miao++;
				break;
				
			}
			else 
			{
				exit_set_stutas=100;
				LCD_Write(0x0c,0);                                   //按键4次后 开显示  光标不开不闪烁 
				TIMSK  =_BV(TOIE1);
				delay2miao=0;										//如果没有这一行就不会退出到主程序那么只能设置第一次，第二次就设置不了。
				ret=0;
				s1num=0;
				break;
			}
		}	
	}
}
void Key_tanqi(void)
{
	while(1)
	{
		Key_Scan();
		if(Key2==0)
		break;
	}
	
}
void Key_Handing(void)
{ 
	
	if(ret==2)  
	{ 

		DelayMs(80);  
		for(exit_set_stutas=0;exit_set_stutas<100;exit_set_stutas++)
		{
			Key_Scan();
			if(ret==2)  
			{  
				s1num++; 
				delay_2time(1);
				while(!ret); 
				if(s1num==1) 
				{ 
					Key_tanqi();
					TIMSK  = 0;//_BV(TOIE1);
					LCD_Write(0xA8+6,0);                 //调节秒的数据指针设置在（1，10）坐标处  理解0x80+0x40+10这条指令 
					LCD_Com(0x0F);
				}