Writ e a Embedded C code for Switch Interface ARM Processor.

#include <nxp/iolpc2148.h>

static void delay(void )

{

volatile int i,j;

for (i=0;i<0x3F;i++)

for (j=0;j<500;j++);

}

//------------------------------------------------------------------------------

// SWITCH INTERFACE

// SW0 - SW7 : P0.16 - P0.23

// LED0 - LED7 : P1.23 - P1.31

// Switch Staus Displayed on LED

//------------------------------------------------------------------------------

void main()

{

// PINSEL0 = 0x00000000;

PINSEL1 = 0x00000000; // Configured as GPIO port

PINSEL2 = 0x00000000; // Configured as GPIO port

IO0DIR = 0X00000000; // P0.16 TO P0.23 Configured as input

IO1DIR = 0Xff000000; // P1.23 TO P1.31 Configured as output

while(1)

{

// IO0CLR = 0XFF000000;

// IO1CLR = 0XFF000000;

IO1PIN = (~(IO0PIN & 0x00FF0000)<<0x08);

// delay();

}

CONSBEDDED