text: /****************************************************************************
   * boards/arm/lpc43xx/lpc4330-xplorer/src/lpc43_userleds.c
   *
   * Licensed to the Apache Software Foundation (ASF) under one or more
   * contributor license agreements.  See the NOTICE file distributed with
   * this work for additional information regarding copyright ownership.  The
   * ASF licenses this file to you under the Apache License, Version 2.0 (the
   * "License"); you may not use this file except in compliance with the
   * License.  You may obtain a copy of the License at
   *
   *   http://www.apache.org/licenses/LICENSE-2.0
   *
   * Unless required by applicable law or agreed to in writing, software
   * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
   * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.  See the
   * License for the specific language governing permissions and limitations
   * under the License.
   *
   ****************************************************************************/
  
  /****************************************************************************
   * Included Files
   ****************************************************************************/
  
  #include <nuttx/config.h>
  
  #include <stdint.h>
  #include <stdbool.h>
  #include <debug.h>
  
  #include <arch/board/board.h>
  
  #include "chip.h"
  #include "arm_arch.h"
  #include "arm_internal.h"
  
  #include "lpc4330-xplorer.h"
  
  #ifndef CONFIG_ARCH_LEDS
  
  /****************************************************************************
   * Pre-processor Definitions
   ****************************************************************************/
  
  /* LED definitions **********************************************************/
  
  /* The LPC4330-Xplorer has 2 user-controllable LEDs labeled D2 an D3 in the
   * schematic and on but referred to has LED1 and LED2 here, respectively.
   *
   *  LED1   D2  GPIO1[12]
   *  LED2   D3  GPIO1[11]
   *
   * LEDs are pulled high to a low output illuminates the LED.
   */
  
  /****************************************************************************
   * Private Functions
   ****************************************************************************/
  
  /****************************************************************************
   * Name: led_dumppins
   ****************************************************************************/
  
  #ifdef LED_VERBOSE
  static void led_dumppins(FAR const char *msg)
  {
    lpc43_pin_dump(PINCONFIG_LED1, msg);
    lpc43_gpio_dump(GPIO_LED2, msg);
  }
  #else
  #  define led_dumppins(m)
  #endif
  
  /****************************************************************************
   * Public Functions
   ****************************************************************************/
  
  /****************************************************************************
   * Name: board_userled_initialize
   ****************************************************************************/
  
  uint32_t board_userled_initialize(void)
  {
    /* Configure all LED GPIO lines */
  
    led_dumppins("board_userled_initialize() Entry)");
  
    /* Configure LED pins as GPIOs, then configure GPIOs as outputs */
  
    lpc43_pin_config(PINCONFIG_LED1);
    lpc43_gpio_config(GPIO_LED1);
  
    lpc43_pin_config(PINCONFIG_LED2);
    lpc43_gpio_config(GPIO_LED2);
  
    led_dumppins("board_userled_initialize() Exit");
    return BOARD_NLEDS;
  }
  
  /****************************************************************************
   * Name: board_userled
   ****************************************************************************/
  
  void board_userled(int led, bool ledon)
  {
    uint16_t gpiocfg = (led == BOARD_LED1 ? GPIO_LED1 : GPIO_LED2);
    lpc43_gpio_write(gpiocfg, !ledon);
  }
  
  /****************************************************************************
   * Name: board_userled_all
   ****************************************************************************/
  
  void board_userled_all(uint32_t ledset)
  {
    lpc43_gpio_write(GPIO_LED1, (ledset & BOARD_LED1_BIT) == 0);
    lpc43_gpio_write(GPIO_LED2, (ledset & BOARD_LED2_BIT) == 0);
  }
  
  #endif /* !CONFIG_ARCH_LEDS */
  