ledhb.c

华强PCB送电子怀表活动-怀表原理图,PCB图及源程序下载

#include <avr/io.h>  
#include <avr/interrupt.h>  
volatile unsigned char seconds= 0, minutes = 0, hour = 12;  
const unsigned char ORING[62] = {12, 1, 9, 11, 8, 1, 2, 10, 12, 9, 2, 3, 11, 1, 10, 3, 4, 12, 2, 11, 4, 5, 1, 3, 12, 5, 6, 2, 4, 1, 6, 7, 3, 5, 2, 7, 8, 4, 6, 3, 8, 9, 5, 7, 4, 9, 10, 6, 8, 5, 10, 11, 7, 9, 6, 11, 12, 8, 10, 7, 12, 1};  
const unsigned char IRING[14] = {7, 8, 9, 10, 11, 12, 1, 2, 3, 4, 5, 6, 7, 8};  

unsigned char MODE_D;
unsigned char we_D;

/*				微秒级延时程序	  		*/
void delay_us(int time)//245*time 微秒
{     
	do
		{
			time--;
		}	
	while (time>1);
}	  
void t1_init(void)  
{  
	TCCR1B|=(1<<CS10)|(1<<WGM12);
	TIMSK|=(1<< OCIE1A);  
	OCR1A = 32768;  
}  
void port_init(void)  
{ 
	PORTB |=~0xc7;  
	PORTC &= 0xc0;  
	PORTD &= 0xc0;  
	DDRB  &= 0xc7;  
	DDRC  &= 0xc0;  
	DDRD  &= 0xc0;  
}  



//=================== sub ====================//  
void disp_seconds(void)  
{  
	DDRD  &= 0xc0;  
	DDRC  &= 0xc0;  
	PORTD &= 0xc0;  
	PORTC &= 0xc0;  

	if (ORING[seconds] <= 6)  
		{      
			PORTD |= (1 << (6 - ORING[seconds]));  
			DDRD  |= (1 << (6 - ORING[seconds]));  
		}  
	else  
		{      
			PORTC |= (1 << (12 - ORING[seconds]));  
			DDRC  |= (1 << (12 - ORING[seconds]));  
		}    

	if (ORING[seconds+ 1] <= 6)  
		{      
			DDRD  |= (1 << (6 - ORING[seconds+ 1]));  
		}  
	else  
		{      
			DDRC  |= (1 << (12 - ORING[seconds+ 1]));  
		}    
}  


void disp_minutes(void)  
{  
	DDRD  &= 0xc0;  
	DDRC  &= 0xc0;  
	PORTD &= 0xc0;  
	PORTC &= 0xc0;  

	if (ORING[minutes] <= 6)  
		{      
			DDRD  |= (1 << (6 - ORING[minutes]));  
		}  
	else  
		{      
			DDRC  |= (1 << (12 - ORING[minutes]));  
		}    

	if (ORING[minutes + 1] <= 6)  
		{  
			PORTD |= (1 << (6 - ORING[minutes + 1]));  
			DDRD  |= (1 << (6 - ORING[minutes + 1]));  
		}  
	else  
		{  
			PORTC |= (1 << (12 - ORING[minutes + 1]));  
			DDRC  |= (1 << (12 - ORING[minutes + 1]));  
		}    
}  

void disp_hour(void)  
{  
	DDRD  &= 0xc0;  
	DDRC  &= 0xc0;  
	PORTD &= 0xc0;  
	PORTC &= 0xc0;  

	if (IRING[hour] <= 6)  
		{   
			PORTC |= (1 << (6 - IRING[hour]));  
			DDRC  |= (1 << (6 - IRING[hour]));     
			DDRD  |= (1 << (6 - IRING[hour]));  
		}  
	else  
		{      
			PORTD |= (1 << (12 - IRING[hour]));  
			DDRC  |= (1 << (12 - IRING[hour]));     
			DDRD  |= (1 << (12 - IRING[hour]));  
		}    
}  

void display(void)
{
	we_D++;
	if((we_D>15)&&(MODE_D==1))
		{
			if(we_D>30)
				we_D=0;
		}
	else
		{
			disp_seconds();
		}
	delay_us(5);

	if((we_D>15)&&(MODE_D==2))
		{
			if(we_D>30)
				we_D=0;
		}
	else
		{
			disp_minutes();
		}
	delay_us(5);
	if((we_D>15)&&(MODE_D==3))
		{
			if(we_D>30)
				we_D=0;
		}
	else
		{
			disp_hour();
		}
	delay_us(5);
}


//定时器1中断
SIGNAL(SIG_OUTPUT_COMPARE1A)
{  
	seconds++;  
	if (seconds>= 60)  
		{  
			seconds= 0;  
			minutes++;  
		}  
	if (minutes >=60)  
		{  
			minutes = 0;  
			hour++;  
		}  
	if (hour >12)  
		{  
			hour = 1;  
		} 
}  

int main(void)   
{    
	port_init();  
	t1_init();  
	sei ();  

	while(1)  
		{    
			display();
			if((PINB&0x08)!=0x08)
				{
					display();
					if((PINB&0x08)!=0x08)
						{
							while((PINB&0x08)!=0x08) display();
							MODE_D++;
							if(MODE_D>3)
								MODE_D=0;
						}
				}
			if((PINB&0x10)!=0x10)//+
				{
					display();
					if((PINB&0x10)!=0x10)
						{
							while((PINB&0x10)!=0x10) display();
							switch(MODE_D)
								{
									case 1:
										{
											hour++;
											if (hour >12)  
												{  
													hour = 1;  
												} 
										}
									break;
									case 2:
										{
											minutes++;  
											if (minutes >=60)  
												{  
													minutes = 0;  
												}  
										}
									break;
									case 3:
										{
											seconds++;  
											if (seconds>=60)  
												{  
													seconds= 0;  
												}  
										}
									break;
								}
						}
				}
			if((PINB&0x20)!=0x20)//-
				{
					display();
					if((PINB&0x20)!=0x20)
						{
							
						}
				}
		}  
}