/**
 * \file
 * \brief CryptoAuthLib Basic API methods for UpdateExtra command.
 *
 * The UpdateExtra command is used to update the values of the two extra bytes
 * within the Configuration zone after the Configuration zone has been locked.
 *
 * \note List of devices that support this command - ATSHA204A, ATECC108A,
 *       ATECC508A, and ATECC608A. There are differences in the modes that they
 *       support. Refer to device datasheets for full details.
 *
 * \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
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 */
#include "atca_basic.h"
#include "atca_execution.h"

/** \brief Executes UpdateExtra command to update the values of the two
 *          extra bytes within the Configuration zone (bytes 84 and 85).
 *
 * Can also be used to decrement the limited use counter associated with the
 * key in slot NewValue.
 *
 * \param[in] mode       Mode determines what operations the UpdateExtra
 *                      command performs.
 * \param[in] new_value  Value to be written.
 *
 * \return ATCA_SUCCESS on success, otherwise an error code.
 */
ATCA_STATUS atcab_updateextra(uint8_t mode, uint16_t new_value)
{
    ATCAPacket packet;
    ATCACommand ca_cmd = _gDevice->mCommands;
    ATCA_STATUS status = ATCA_GEN_FAIL;

    do
    {
        // Build command
        memset(&packet, 0, sizeof(packet));
        packet.param1 = mode;
        packet.param2 = new_value;

        if ((status = atUpdateExtra(ca_cmd, &packet)) != ATCA_SUCCESS)
        {
            break;
        }

        if ((status = atca_execute_command(&packet, _gDevice)) != ATCA_SUCCESS)
        {
            break;
        }

    }
    while (0);

    return status;
}
