cepin.c

基于AVR平台

//cepin.c : source file for the cepin project
//

#include "cepin.h"
#include "cepinTimer.h"
#include "delay.h"
#define uchar unsigned char
#define uint  unsigned int

/////////////////////////////////////////////////////////////////////////////
//cepin
uchar led0[42]=
	{0x60,0x7e,0x31,0x32,0x2e,0xa2,0xa0,0x7a,0x20,0x22,0x28,0xa4,0xe1,0x34,0xa1,0xa9,
	 0x40,0x5e,0x11,0x12,0x0e,0x82,0x80,0x5a,0x00,0x02,0x08,0x84,0xc1,0x14,0x81,0x89,
	 	0xff,0x64,0xdf,0xa1,0x68,0x34,0xbf,0xa5,0x2a};
uchar led[24];
uint f3;	 
static void io_init(void)
{
	//{{WIZARD_MAP(General)
	//}}WIZARD_MAP(General)

	//{{WIZARD_MAP(I/O Ports)
	// PortA
	PORTA = 0x0;
	DDRA = 0xf8;
	// PortB
	PORTB = 0x0;
	DDRB = 0x1f;
	// PortC
	PORTC = 0x20;
	DDRC = 0xc0;
	// PortD
	PORTD = 0xb0;
	DDRD = 0x2;
	//}}WIZARD_MAP(I/O Ports)

	//{{WIZARD_MAP(Watchdog)
	// Watchdog Disabled
	wdt_disable();
	//}}WIZARD_MAP(Watchdog)

	//{{WIZARD_MAP(Analog Comparator)
	// Analog Comparator Disabled
	ACSR = 0x80;
	//}}WIZARD_MAP(Analog Comparator)
}

int main(void)
{
	//{{WIZARD_MAP(Initialization)
	io_init();
	timers_init();
	//}}WIZARD_MAP(Initialization)
	// TODO: Add extra initialization here
	
	//{{WIZARD_MAP(Global interrupt)
	sei();
	//}}WIZARD_MAP(Global interrupt)
	while(1)
	{
		// TODO: Add your code here
		display();
	}
}
/****************************************************
                  频率显示程序
                  
****************************************************/
void display(void)
{
	  uint t;
	  uint f;
	  	f=200000000/f3;
	  led[23]=(f/1000)%10;
	  led[22]=(f/100)%10+16;
	  led[21]=(f/10)%10;
 	  led[20]=f%10;
 	  
 	  t=123450;
	  led[19]=(t/10000)%10;
	  led[18]=(t/1000)%10;
	  led[17]=(t/100)%10;
 	  led[16]=(t/10)%10;
 	  
}

/**********************************************
              数码管显示程序
RCK=PA5 SCK=PA6 SER=PA7
***********************************************/
void led_outbyt(char a)
{
	char i,d;
	for(i=0;i<8;i++)
	{
		cbi(PORTA,6);
		d=a&0x80;
		if(d)
			sbi(PORTA,7);
		else
			cbi(PORTA,7);
		a<<=1;
		sbi(PORTA,6);
	}
}
void led_list(void)
{
	uchar i,j;
	j=1;
	for(i=0;i<8;i++)
	{
		led_outbyt(led0[led[i]]);
		led_outbyt(j);
		led_outbyt(led0[led[i+8]]);
		led_outbyt(j);			
		led_outbyt(led0[led[i+16]]);
		led_outbyt(j);
		cbi(PORTA,5);	//数据锁存
		sbi(PORTA,5);	//数据锁存
		delay(8,1000);		
		j<<=1;
		led_outbyt(0);led_outbyt(0);led_outbyt(0);led_outbyt(0);led_outbyt(0);led_outbyt(0);
		cbi(PORTA,5);	//数据锁存
		sbi(PORTA,5);	//数据锁存
		delay(1,1000);
	}
}