Subversion Repositories de1_olpcl2294_system

//

//

//

#include <stdio.h>

#include <math.h>

#include <stdlib.h>

#include <cyg/kernel/kapi.h>

#include "LPC22xx.h"

#include "lib_dbg_sh.h"

#include "oc_gpio.h"

cyg_mutex_t   hex_led_lock;

void

hex_led_init( unsigned int data)

{

  OC_GPIO_A_RGPIO_OE  = 0x7f7f7f7f;

  OC_GPIO_A_RGPIO_AUX = 0x7f7f7f7f;

  cyg_mutex_init(&hex_led_lock);

  *((unsigned int *)0x83300004) = data;

}

unsigned int

hex_led_command( unsigned int command, unsigned int data)

{

  unsigned int ret_data = 0;

  cyg_mutex_lock(&hex_led_lock);

  switch (command) {

    case DE1_HEX_LED_WRITE:

      *((unsigned int *)0x83300004) = data;

      break;

    case DE1_HEX_LED_READ:

      ret_data = *((unsigned int *)0x83300004);

      break;

    case DE1_HEX_LED_INCREMENT:

      *((unsigned int *)0x83300004) += 1;

      break;

    default:

      break;

  }

  cyg_mutex_unlock(&hex_led_lock);

  return( ret_data );

}

void

fled_init( unsigned int data)

{

  OC_GPIO_B_RGPIO_OE  = 0x0003ffff;

  OC_GPIO_B_RGPIO_OUT = data;

}