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/*
    ChibiOS/RT - Copyright (C) 2006,2007,2008,2009,2010,
                 2011,2012 Giovanni Di Sirio.

    This file is part of ChibiOS/RT.

    ChibiOS/RT is free software; you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
    the Free Software Foundation; either version 3 of the License, or
    (at your option) any later version.

    ChibiOS/RT is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    GNU General Public License for more details.

    You should have received a copy of the GNU General Public License
    along with this program.  If not, see <http://www.gnu.org/licenses/>.
*/

#include "ch.h"
#include "hal.h"

/*
 * LEDs blinker thread, times are in milliseconds.
 */
static WORKING_AREA(waThread1, 128);
static msg_t Thread1(void *arg) {

  (void)arg;
  chRegSetThreadName("blinker");

  while (TRUE) {
    unsigned i;

    for (i = 0; i < 4; i++) {
      palClearPad(PD, PD_LED1);
      chThdSleepMilliseconds(100);
      palClearPad(PD, PD_LED2);
      chThdSleepMilliseconds(100);
      palClearPad(PD, PD_LED3);
      chThdSleepMilliseconds(100);
      palClearPad(PD, PD_LED4);
      chThdSleepMilliseconds(100);
      palSetPad(PD, PD_LED1);
      chThdSleepMilliseconds(100);
      palSetPad(PD, PD_LED2);
      chThdSleepMilliseconds(100);
      palSetPad(PD, PD_LED3);
      chThdSleepMilliseconds(100);
      palSetPad(PD, PD_LED4);
      chThdSleepMilliseconds(300);
    }

    for (i = 0; i < 4; i++) {
      palTogglePort(PD, PAL_PORT_BIT(PD_LED1) | PAL_PORT_BIT(PD_LED2) |
                        PAL_PORT_BIT(PD_LED3) | PAL_PORT_BIT(PD_LED4));
      chThdSleepMilliseconds(500);
      palTogglePort(PD, PAL_PORT_BIT(PD_LED1) | PAL_PORT_BIT(PD_LED2) |
                        PAL_PORT_BIT(PD_LED3) | PAL_PORT_BIT(PD_LED4));
      chThdSleepMilliseconds(500);
    }

    for (i = 0; i < 4; i++) {
      palTogglePad(PD, PD_LED1);
      chThdSleepMilliseconds(250);
      palTogglePad(PD, PD_LED1);
      palTogglePad(PD, PD_LED2);
      chThdSleepMilliseconds(250);
      palTogglePad(PD, PD_LED2);
      palTogglePad(PD, PD_LED3);
      chThdSleepMilliseconds(250);
      palTogglePad(PD, PD_LED3);
      palTogglePad(PD, PD_LED4);
      chThdSleepMilliseconds(250);
      palTogglePad(PD, PD_LED4);
    }

    for (i = 0; i < 4; i++) {
      palClearPort(PD, PAL_PORT_BIT(PD_LED1) | PAL_PORT_BIT(PD_LED3));
      palSetPort(PD, PAL_PORT_BIT(PD_LED2) | PAL_PORT_BIT(PD_LED4));
      chThdSleepMilliseconds(500);
      palClearPort(PD, PAL_PORT_BIT(PD_LED2) | PAL_PORT_BIT(PD_LED4));
      palSetPort(PD, PAL_PORT_BIT(PD_LED1) | PAL_PORT_BIT(PD_LED3));
      chThdSleepMilliseconds(500);
    }

    palSetPort(PD, PAL_PORT_BIT(PD_LED1) | PAL_PORT_BIT(PD_LED2) |
                   PAL_PORT_BIT(PD_LED3) | PAL_PORT_BIT(PD_LED4));
  }
  return 0;
}

/*
 * Application entry point.
 */
int main(void) {

  /*
   * System initializations.
   * - HAL initialization, this also initializes the configured device drivers
   *   and performs the board-specific initializations.
   * - Kernel initialization, the main() function becomes a thread and the
   *   RTOS is active.
   */
  halInit();
  chSysInit();

  /*
   * Creates the blinker thread.
   */
  chThdCreateStatic(waThread1, sizeof(waThread1), NORMALPRIO, Thread1, NULL);

  /*
   * Normal main() thread activity.
   */
  while (TRUE) {
    chThdSleepMilliseconds(1000);
  }
  return 0;
}