/**
 * \file
 * \brief ATCA Hardware abstraction layer for SAMD21 timer/delay over Arduino drivers.
 *
 * \copyright (c) 2015-2020 Microchip Technology Inc. and its subsidiaries.
 *
 * \page License
 *
 * Subject to your compliance with these terms, you may use Microchip software
 * and any derivatives exclusively with Microchip products. It is your
 * responsibility to comply with third party license terms applicable to your
 * use of third party software (including open source software) that may
 * accompany Microchip software.
 *
 * THIS SOFTWARE IS SUPPLIED BY MICROCHIP "AS IS". NO WARRANTIES, WHETHER
 * EXPRESS, IMPLIED OR STATUTORY, APPLY TO THIS SOFTWARE, INCLUDING ANY IMPLIED
 * WARRANTIES OF NON-INFRINGEMENT, MERCHANTABILITY, AND FITNESS FOR A
 * PARTICULAR PURPOSE. IN NO EVENT WILL MICROCHIP BE LIABLE FOR ANY INDIRECT,
 * SPECIAL, PUNITIVE, INCIDENTAL OR CONSEQUENTIAL LOSS, DAMAGE, COST OR EXPENSE
 * OF ANY KIND WHATSOEVER RELATED TO THE SOFTWARE, HOWEVER CAUSED, EVEN IF
 * MICROCHIP HAS BEEN ADVISED OF THE POSSIBILITY OR THE DAMAGES ARE
 * FORESEEABLE. TO THE FULLEST EXTENT ALLOWED BY LAW, MICROCHIP'S TOTAL
 * LIABILITY ON ALL CLAIMS IN ANY WAY RELATED TO THIS SOFTWARE WILL NOT EXCEED
 * THE AMOUNT OF FEES, IF ANY, THAT YOU HAVE PAID DIRECTLY TO MICROCHIP FOR
 * THIS SOFTWARE.
 */

#include "ConfigPlatform.h"
#include "atca_hal.h"

/** \defgroup hal_ Hardware abstraction layer (hal_)
 *
 * \brief
 * These methods define the hardware abstraction layer for communicating with a CryptoAuth device
 *
   @{ */

/** \brief This function delays for a number of microseconds.
 *
 * \param[in] delay number of 0.001 milliseconds to delay
 */
void atca_delay_us(uint32_t delay)
{
  // use Arduino supplied delay
  delayMicroseconds(delay);
}

/** \brief This function delays for a number of tens of microseconds.
 *
 * \param[in] delay number of 0.01 milliseconds to delay
 */
void atca_delay_10us(uint32_t delay)
{
  // use Arduino supplied delay
  delayMicroseconds(delay * 10);
}

/** \brief This function delays for a number of milliseconds.
 *
 *         You can override this function if you like to do
 *         something else in your system while delaying.
 * \param[in] delay number of milliseconds to delay
 */

/* Arduino already has delay_ms - see delay.h */
void atca_delay_ms(uint32_t delay)
{
  if (delay == 0)
  {
    return;
  }

  uint32_t start = micros();

  while (delay > 0)
  {
    yield();
    while (delay > 0 && (micros() - start) >= 1000)
    {
      delay--;
      start += 1000;
    }
  }
}

/** @} */
