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标题: picc的源程序 [打印本页]

作者: winnie 时间: 2009-3-28 10:53
标题: picc的源程序
#include  <pic.h>
#include  "delay.h"
#define PORTBIT(adr, bit) ((unsigned)(&adr)*8+(bit))
static bit btnRtcc @ PORTBIT(PORTA,4);

void
DelayMs(unsigned char cnt)
{
#if XTAL_FREQ <= 2MHZ
do {
  DelayUs(996);
} while(--cnt);
#endif
#if XTAL_FREQ > 2MHZ
unsigned char i;
do {
  i = 4;
  do {
DelayUs(200);
  } while(--i);
} while(--cnt);
#endif
}

main(void)
{
unsigned char i,j;
static const unsigned char codeled[17] =
                  {0x21,0x7D,0x32,0x38,0x6c,0x0A8,0x0A0,0x3D,0x20,0x28,
                  0x24,0x0E0,0x0A3,0x70,0x0A2,0xA6,0x00};
static const unsigned char codeledE[17] =
                  {0x0,0x3,0x1,0x1,0x2,0x04,0x04,0x1,0x0,0x0,
                  0x0,0x06,0x04,0x3,0x04,0x4,0x00};

TRISA = 0x10; /* RA4=sw_RTCC input other bits output */
TRISB = 0x00; /* RB0=sw_INT input other bits output */
TRISC = 0; /* all bits output */
TRISD = 0;
TRISE = 0;
j = 0;
for(;;)
{
for(j=0;j<17;j++)
  {
  if(btnRtcc==0) break;
  PORTA = codeled[j];
  PORTB = codeled[j];
  PORTC = codeled[j];
  PORTD = codeled[j];
  PORTE = codeledE[j];
  DelayMs(200);  /* output value of j */
  }
  for(j=0;j<17;j++)
  {
   PORTA = codeled[j];
   PORTE=codeledE[j];
   DelayMs(500);
  }
  for(j=0;j<17;j++)
  {
   PORTB = codeled[j];
   DelayMs(500);
  }
  for(j=0;j<17;j++)
  {
   PORTC = codeled[j];
   DelayMs(500);
  }
  for(j=0;j<17;j++)
  {
   PORTD = codeled[j];
   DelayMs(500);
  }

}
}

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