main.c

TI的2812控制交通灯

#include "F2812_DataType.h"
#include "F2812_Reg.h"
#include "F2812_Init.h"

char SEG7[]=
{
0x77,0x14,0x0b3,0x0b6,0x0d4,0x0e6,0x0e7,0x34,0x0f7,0x0f6
};

char light[]={0x66,0x99};

int n,i,m,k=0;
int dp,s,g;

void Test_Jiaotong(void);

void main(void)
{
	Init_F2812();
	Test_Jiaotong();
}

void process(void) 
 {
   dp=n;
   s=dp/10;
   g=dp%10;
   //return s,g;
 } 


Uint16 Delay_cnt;
void Delay(unsigned int nDelay)
  {
  int i,j;
  for(i=0;i<nDelay;i++)
  for(j=0;j<2;j++)
      Delay_cnt++;
      
   }

void Disp_Sleep(unsigned int c)
{
	while(c--)
	Delay(10000);
}

#define DISP_SLEEP_TIMES  100

void Test_Jiaotong(void)
{
	int i;
	
	//P_cpld[0]=0;
	for(i=0;i<8;i++)
		P_ext[0x2000+i]=0x80;
	
	P_ext[0x3000]=light[k];
	
	while(1)
	{
		n=20;
		process();
		P_ext[0x2001]=SEG7[s];
		P_ext[0x2005]=SEG7[s];
		P_ext[0x2002]=SEG7[g];
		P_ext[0x2006]=SEG7[g];
		
		for(i=20;i!=0;i--)
		{
			n--;
			Disp_Sleep(100);
			process();
			P_ext[0x2001]=SEG7[s];
			P_ext[0x2005]=SEG7[s];
			P_ext[0x2002]=SEG7[g];
			P_ext[0x2006]=SEG7[g];
			
			if(i<7)
			{
				m=n%2;
				P_ext[0x3000]=light[m];
			}
		}
		k++;
		m=k%2;
		P_ext[0x3000]=light[m];
		if(k>100)
			k=0;     
	}
}