/**
 * \file
 * \brief ATCA Hardware abstraction layer for PIC32MX695F512H timer/delay routine
 *
 *
 * \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 <plib.h>

#include "hal/atca_hal.h"


/* ASF already have delay_us and delay_ms - see delay.h */

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



#define CPU_CLOCK (80000000UL)
#define us_SCALE   ((CPU_CLOCK / 2) / 1000000)


void delay_us(UINT32 delay)
{
    UINT32 startCnt = ReadCoreTimer();
    UINT32 waitCnt = delay * us_SCALE;

    while ((ReadCoreTimer() - startCnt) < waitCnt)
    {
        ;
    }

}




/****************************************/

/**
 * \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)
{
    delay_us(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)
{
    atca_delay_us(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
 */
void atca_delay_ms(uint32_t delay)
{

    atca_delay_us(delay * 1000);

}

/** @} */