text: /**
   * \file
   *
   * \brief User Interface
   *
   * Copyright (c) 2014 Atmel Corporation. All rights reserved.
   *
   * \asf_license_start
   *
   * \page License
   *
   * 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. The name of Atmel may not be used to endorse or promote products derived
   *    from this software without specific prior written permission.
   *
   * 4. This software may only be redistributed and used in connection with an
   *    Atmel microcontroller product.
   *
   * THIS SOFTWARE IS PROVIDED BY ATMEL "AS IS" AND ANY EXPRESS OR IMPLIED
   * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
   * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT ARE
   * EXPRESSLY AND SPECIFICALLY DISCLAIMED. IN NO EVENT SHALL ATMEL 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.
   *
   * \asf_license_stop
   *
   */
   /**
   * Support and FAQ: visit <a href="http://www.atmel.com/design-support/">Atmel Support</a>
   */
  
  #include <asf.h>
  #include "ui.h"
  #include "ieee11073_skeleton.h"
  
  static bool associated = false;
  
  void ui_init(void)
  {
  	LED_Off(LED0);
  }
  
  void ui_powerdown(void)
  {
  	LED_Off(LED0);
  }
  
  void ui_wakeup(void)
  {
  	LED_On(LED0);
  }
  
  void ui_association(bool state)
  {
  	associated = state;
  }
  
  void ui_process(uint16_t framenumber)
  {
  	static uint8_t cpt_sof = 0;
  	bool b_btn_state;
  	static bool btn0_last_state = false;
  
  	if (!associated) {
  		if ((framenumber % 1000) == 0) {
  			LED_On(LED0);
  		}
  		if ((framenumber % 1000) == 500) {
  			LED_Off(LED0);
  		}
  	} else {
  		LED_On(LED0);
  	}
  
  	/* Scan process running each 20ms */
  	cpt_sof++;
  	if (20 > cpt_sof) {
  		return;
  	}
  
  	cpt_sof = 0;
  
  	/* Use buttons to send measures */
  	b_btn_state = !ioport_get_pin_level(GPIO_PUSH_BUTTON_1);
  	if (b_btn_state != btn0_last_state) {
  		btn0_last_state = b_btn_state;
  		if (b_btn_state) {
  			ieee11073_skeleton_send_measure_1();
  		}
  	}
  }
  
  /**
   * \defgroup UI User Interface
   *
   * Human interface on SAMG55-XPRO:
   * - LED0 blinks when USB host has checked and enabled PHDC interface
   * - LED0 is on when PHDC has validated association
   * - SW0 is used to send a measure
   *
   */
  