text: /****************************************************************************
   * boards/arm/stm32f0l0g0/stm32f072-discovery/src/stm32_userleds.c
   *
   *   Copyright (C) 2017 Gregory Nutt. All rights reserved.
   *   Author: Gregory Nutt <gnutt@nuttx.org>
   *           Alan Carvalho de Assis <acassis@gmail.com>
   *
   * Redistribution and use in source and binary forms, with or without
   * modification, are permitted provided that the following conditions
   * are met:
   *
   * 1. Redistributions of source code must retain the above copyright
   *    notice, this list of conditions and the following disclaimer.
   * 2. Redistributions in binary form must reproduce the above copyright
   *    notice, this list of conditions and the following disclaimer in
   *    the documentation and/or other materials provided with the
   *    distribution.
   * 3. Neither the name NuttX nor the names of its contributors may be
   *    used to endorse or promote products derived from this software
   *    without specific prior written permission.
   *
   * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
   * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
   * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
   * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
   * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
   * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
   * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
   * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
   * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
   * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
   * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
   * POSSIBILITY OF SUCH DAMAGE.
   *
   ****************************************************************************/
  
  /****************************************************************************
   * Included Files
   ****************************************************************************/
  
  #include <nuttx/config.h>
  
  #include <stdint.h>
  #include <stdbool.h>
  #include <debug.h>
  
  #include <arch/board/board.h>
  
  #include "chip.h"
  #include "stm32.h"
  #include "stm32f072-discovery.h"
  
  #ifndef CONFIG_ARCH_LEDS
  
  /****************************************************************************
   * Public Functions
   ****************************************************************************/
  
  /****************************************************************************
   * Name: board_userled_initialize
   ****************************************************************************/
  
  uint32_t board_userled_initialize(void)
  {
    /* Configure LED1-2 GPIOs for output */
  
    stm32_configgpio(GPIO_LED1);
    stm32_configgpio(GPIO_LED2);
    stm32_configgpio(GPIO_LED3);
    stm32_configgpio(GPIO_LED4);
    return BOARD_NLEDS;
  }
  
  /****************************************************************************
   * Name: board_userled
   ****************************************************************************/
  
  void board_userled(int led, bool ledon)
  {
    uint32_t ledcfg;
  
    if (led == BOARD_LED1)
      {
        ledcfg = GPIO_LED1;
      }
    else if (led == BOARD_LED2)
      {
        ledcfg = GPIO_LED2;
      }
    else if (led == BOARD_LED3)
      {
        ledcfg = GPIO_LED3;
      }
    else if (led == BOARD_LED4)
      {
        ledcfg = GPIO_LED4;
      }
    else
      {
        return;
      }
  
    stm32_gpiowrite(ledcfg, ledon);
  }
  
  /****************************************************************************
   * Name: board_userled_all
   ****************************************************************************/
  
  void board_userled_all(uint32_t ledset)
  {
    bool ledon;
  
    ledon = ((ledset & BOARD_LED1_BIT) != 0);
    stm32_gpiowrite(GPIO_LED1, ledon);
  
    ledon = ((ledset & BOARD_LED2_BIT) != 0);
    stm32_gpiowrite(GPIO_LED2, ledon);
  
    ledon = ((ledset & BOARD_LED3_BIT) != 0);
    stm32_gpiowrite(GPIO_LED3, ledon);
  
    ledon = ((ledset & BOARD_LED4_BIT) != 0);
    stm32_gpiowrite(GPIO_LED4, ledon);
  }
  
  #endif /* !CONFIG_ARCH_LEDS */
  