/*
 * Copyright (c) 2015-2019, Texas Instruments Incorporated
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 * *  Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 *
 * *  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.
 *
 * *  Neither the name of Texas Instruments Incorporated 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.
 */

/*
 *  ======== empty.c ========
 */

  /*
   *  ======== empty.c ========
   */

  /* For usleep() */
  #include <unistd.h>
  #include <stdint.h>
  #include <stddef.h>
  #include <pthread.h>
  // #include <Board.h>

  /* Driver Header files */

  #include <ti/drivers/GPIO.h>
  #include <ti/drivers/ADC.h>
  #include <ti/display/Display.h>
  #include <ti_drivers_config.h>
  // #include <ti/drivers/I2C.h>
  // #include <ti/drivers/SDSPI.h>
  // #include <ti/drivers/SPI.h>
  // #include <ti/drivers/UART.h>
  // #include <ti/drivers/Watchdog.h>


  /* Board Header file */

  #define CONFIG_ADC_0                0

  /* global variableS FOR GUI COMPOSER */
  uint16_t adcValue = 0;
  uint16_t threshold = 100;
  uint16_t trigger = 0;

  /*
   *  ======== mainThread ========
  */

  void *mainThread(void *arg0)
  {
    /* ~10 loops/second */
    uint32_t time = 100000;  // update ~10/second

    /* Call driver init functions */
    GPIO_init();

    // I2C_init();
    // SDSPI_init();
    // SPI_init();
    // UART_init();
    // Watchdog_init();

    /* Open Display Driver */

    Display_Handle    displayHandle;
    Display_Params    displayParams;
    Display_Params_init(&displayParams);
    displayHandle = Display_open(Display_Type_UART, NULL);

    /* Open ADC Driver */

    ADC_Handle adc;
    ADC_Params params;
    ADC_init();
    ADC_Params_init(&params);
    //adc = ADC_open(Board_ADC0, &params);
    adc = ADC_open(CONFIG_ADC_0, &params);
    if (adc == NULL)
    {
        // Error initializing ADC channel 0
        while (1);
    }

    while (1) {
      int_fast16_t res;
      res = ADC_convert(adc, &adcValue);
      if (res == ADC_STATUS_SUCCESS)
      {
        Display_printf(displayHandle, 1, 0, "LECTURA ADC %d", adcValue);
        if(adcValue >= threshold)
        {
          GPIO_write(CONFIG_GPIO_LED_0, CONFIG_GPIO_LED_ON);
          trigger = 1;
        }
         else
        {
          GPIO_write(CONFIG_GPIO_LED_0, CONFIG_GPIO_LED_OFF);
          trigger = 0;
        }
      }
      ADC_close(adc);
      usleep(time);
    }
  }
