/*
 * Copyright (C) 2014 Infineon Technologies AG. All rights reserved.
 *
 * Infineon Technologies AG (Infineon) is supplying this software for use with
 * Infineon's microcontrollers.
 * This file can be freely distributed within development tools that are
 * supporting such microcontrollers.
 *
 * THIS SOFTWARE IS PROVIDED "AS IS". NO WARRANTIES, WHETHER EXPRESS, IMPLIED
 * OR STATUTORY, INCLUDING, BUT NOT LIMITED TO, IMPLIED WARRANTIES OF
 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE APPLY TO THIS SOFTWARE.
 * INFINEON SHALL NOT, IN ANY CIRCUMSTANCES, BE LIABLE FOR SPECIAL, INCIDENTAL,
 * OR CONSEQUENTIAL DAMAGES, FOR ANY REASON WHATSOEVER.
 *
 */

/**
 * @file
 * @date 04 Dec, 2014
 * @version 1.0.0
 *
 * @brief XMC4500 Relax kit GPIO toggle example
 *
 * GPIO toggle example flashes the leds of the board with a periodic rate.
 * LED1 is connected to P1.1
 * LED2 is connected to P1.0
 *
 * History <br>
 *
 * Version 1.0.0 Initial <br>
 *
 */


#include <xmc_gpio.h>

#define TICKS_PER_SECOND 1000
#define TICKS_WAIT 500

#define LED1 P1_1
#define LED2 P1_0

void SysTick_Handler(void)
{
  static uint32_t ticks = 0;

  ticks++;
  if (ticks == TICKS_WAIT)
  {
    XMC_GPIO_ToggleOutput(LED1);
    XMC_GPIO_ToggleOutput(LED2);
    ticks = 0;
  }
}


int main(void)
{
  XMC_GPIO_CONFIG_t config;

  config.mode = XMC_GPIO_MODE_OUTPUT_PUSH_PULL;
  config.output_level = XMC_GPIO_OUTPUT_LEVEL_HIGH;
  config.output_strength = XMC_GPIO_OUTPUT_STRENGTH_MEDIUM;

  XMC_GPIO_Init(LED1, &config);

  config.output_level = XMC_GPIO_OUTPUT_LEVEL_LOW;
  XMC_GPIO_Init(LED2, &config);

  /* System timer configuration */
  SysTick_Config(SystemCoreClock / TICKS_PER_SECOND);

  while(1)
  {
    /* Infinite loop */
  }
}