#include "lpc22xx_keil.h"

#define STATUS_LED        20 // P0 (STATUS LED)

#define RELAY1                16 // P1 (GPIO 9)
#define RELAY2                25 // P3 (GPIO 10)
#define RELAY3                24 // P3 (GPIO 11)
#define RELAY4                25 // P1 (GPIO 12)
#define RELAY5                24 // P1 (GPIO 13)
#define RELAY6                23 // P1 (GPIO 14)
#define RELAY7                12 // P0 (GPIO 15)
#define RELAY8                22 // P1 (GPIO 16)

#define INOUT1                21 // P0 (GPIO 0)
#define INOUT2                22 // P0 (GPIO 1)
#define INOUT3                23 // P0 (GPIO 2)
#define INOUT4                19 // P1 (GPIO 3)
#define INOUT5                24 // P0 (GPIO 4)
#define INOUT6                18 // P1 (GPIO 5)
#define INOUT7                25 // P0 (GPIO 6)
#define INOUT8                17 // P1 (GPIO 7)
#define INOUT9                26 // P3 (GPIO 8)

static void delay(void )
{
    volatile int i,j;

    for (i=0;i<1000;i++)
        for (j=0;j<1000;j++);
}
  
int main(void)
{
    MAMCR = 2;    

    IODIR0 |= (1<<STATUS_LED) | (1<<RELAY7) | (1<<INOUT1) | (1<<INOUT2) | (1<<INOUT3) | (1<<INOUT5) | (1<<INOUT7);
    IODIR1 |= (1<<RELAY1) | (1<<RELAY4) | (1<<RELAY5) | (1<<RELAY6) | (1<<RELAY8) | (1<<INOUT4) | (1<<INOUT6) | (1<<INOUT8);     
    IODIR3 |= (1<<RELAY2) | (1<<RELAY3) | (1<<INOUT9);     
    
    while (1)    
    {
        IOCLR0 |= (1<<STATUS_LED) | (1<<RELAY7) | (1<<INOUT1) | (1<<INOUT2) | (1<<INOUT3) | (1<<INOUT5) | (1<<INOUT7);
        IOCLR1 |= (1<<RELAY1) | (1<<RELAY4) | (1<<RELAY5) | (1<<RELAY6) | (1<<RELAY8) | (1<<INOUT4) | (1<<INOUT6) | (1<<INOUT8);     
        IOCLR3 |= (1<<RELAY2) | (1<<RELAY3) | (1<<INOUT9);     
        delay();
        IOSET0 |= (1<<STATUS_LED) | (1<<RELAY7) | (1<<INOUT1) | (1<<INOUT2) | (1<<INOUT3) | (1<<INOUT5) | (1<<INOUT7);
        IOSET1 |= (1<<RELAY1) | (1<<RELAY4) | (1<<RELAY5) | (1<<RELAY6) | (1<<RELAY8) | (1<<RELAY8) | (1<<INOUT4) | (1<<INOUT6) | (1<<INOUT8);         
        IOSET3 |= (1<<RELAY2) | (1<<RELAY3) | (1<<INOUT9);     
        delay();
    }
}

static void delay(void )
{
    volatile int i,j;

    for (i=0;i<1000;i++)
        for (j=0;j<1000;j++);
}