fiotest.c

Keil工程例子,NXP新出的芯片lpc2478的示例代码

/*****************************************************************************
 *   fiotest.c:  GPIO test main C entry file for NXP LPC23xx/24xx Family 
 *    Microprocessors
 *
 *   Copyright(C) 2006, NXP Semiconductor
 *   All rights reserved.
 *
 *   History
 *   2006.07.14  ver 1.00    Prelimnary version, first Release
 *
******************************************************************************/
#include "LPC230x.h"                        /* LPC2xxx definitions */
#include "type.h"
#include "irq.h"
#include "target.h"
#include "timer.h"
#include "fio.h"

extern DWORD timer_counter;


void Delay(DWORD ms)
{
  /*
  * setup timer #1 for delay
  */
  T1TCR = 0x02;		/* reset timer */
  T1PR  = 0x00;		/* set prescaler to zero */
  T1MR0 = ms * (Fpclk / 1000);
  T1IR  = 0xff;		/* reset all interrrupts */
  T1MCR = 0x04;		/* stop timer on match */
  T1TCR = 0x01;		/* start timer */
  
  /* wait until delay time has elapsed */
  while (T1TCR & 0x01);
}
/*****************************************************************************
**   Main Function  main()
******************************************************************************/
int main (void)
{
    DWORD counter;
		    		
    /********* The main Function is an endless loop ***********/
 //   init_timer( TIME_INTERVAL );

    /* GPIOInit() need to be carefully called if you want to run some
	other peripherals, it will set the PINSEL to default value and change
	the direction of IOs. */

    /* Initialize port for LED display, the LEDs on Keil MCB2300 is Port 2.0~2.7 */
   // GPIOInit( 2, FAST_PORT, DIR_OUT );		
	   GPIOInit( 3, FAST_PORT, DIR_OUT );
    /* Initialize timer for GPIO toggling timing */
//	enable_timer( 0 );

//	counter = 0;
//	FIO2SET = 1 << counter;
    FIO3DIR = 0xFF0000;

    FIO3CLR = 0xFF0000;
   while(1) 
{
 	 Delay(100);
    D6_ON();
      Delay(100);
     D6_OFF();
     
     D5_ON();
      Delay(100);
     D5_OFF();
     
     D4_ON();
      Delay(100);
     D4_OFF();
     
     D7_ON();
      Delay(100);
     D7_OFF();
     
     D8_ON();
      Delay(100);
     D8_OFF();
     
     D3_ON();
      Delay(100);     
     D3_OFF();
     
     D2_ON();
      Delay(100); 
     D2_OFF();
         
     D9_ON();
      Delay(100);     
     D9_OFF();

}
  /*   
    while ( 1 )
	{
		if ( timer_counter >= (0x20 * counter) )
		{
			FIO2SET = 1 << counter;
			counter++;
			if ( counter > 8 )
			{
		    	counter = 0;	
		    	timer_counter = 0;
		    	FIO2CLR = 0x000000FF;
			}
	    }
	}
	return 0;
*/
}


/*****************************************************************************
**                            End Of File
*****************************************************************************/