owner-nrf52sdk/nRF5_SDK_15.2.0/components/nfc/ndef/launchapp/nfc_launchapp_rec.c

/**
 * Copyright (c) 2015 - 2018, Nordic Semiconductor ASA
 *
 * All rights reserved.
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 * are permitted provided that the following conditions are met:
 *
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 *    list of conditions and the following disclaimer.
 *
 * 2. Redistributions in binary form, except as embedded into a Nordic
 *    Semiconductor ASA integrated circuit in a product or a software update for
 *    such product, must reproduce the above copyright notice, this list of
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 *    materials provided with the distribution.
 *
 * 3. Neither the name of Nordic Semiconductor ASA nor the names of its
 *    contributors may be used to endorse or promote products derived from this
 *    software without specific prior written permission.
 *
 * 4. This software, with or without modification, must only be used with a
 *    Nordic Semiconductor ASA integrated circuit.
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 */
#include "sdk_common.h"
#if NRF_MODULE_ENABLED(NFC_NDEF_LAUNCHAPP_REC)

#include "nfc_launchapp_rec.h"
#include <string.h>
#include "nrf_error.h"
#include "app_util.h"
#include "nfc_ndef_record.h"

/* Record Payload Type for NFC NDEF Android Application Record */
const uint8_t ndef_android_launchapp_rec_type[] =
{
    'a', 'n', 'd', 'r', 'o', 'i', 'd', '.', 'c','o', 'm', ':', 'p', 'k', 'g'
};

/* Record Payload Type for NFC NDEF Windows LaunchApp record */
const uint8_t ndef_windows_launchapp_rec_type[] =
{
    'w', 'i', 'n', 'd', 'o', 'w', 's', '.', 'c', 'o', 'm', '/', 'L', 'a', 'u',
    'n', 'c', 'h', 'A', 'p', 'p'
};
/* Platform type used in Record Payload of NFC NDEF Windows LaunchApp record */
const uint8_t ndef_windows_launchapp_plat_type[] =
{
    'W', 'i', 'n', 'd', 'o', 'w', 's', 'P', 'h', 'o', 'n', 'e'
};

#define WIN_LAUNCHAPP_EMPTY_PARAMETER 0x20 ///< The empty parameter value for the Windows LaunchApp Record.

ret_code_t nfc_win_launchapp_payload_constructor(win_launchapp_payload_desc_t * p_input,
                                                 uint8_t                      * p_buff,
                                                 uint32_t                     * p_len)
{

    win_launchapp_payload_desc_t * launch_desc = (win_launchapp_payload_desc_t *) p_input;

    uint32_t temp_len = (uint32_t)launch_desc->platform_length + launch_desc->app_id_length + 7;

    if (p_buff != NULL)
    {
        if (temp_len > *p_len)
        {
            return NRF_ERROR_NO_MEM;
        }

        *p_buff++ = 0x00; // platform count: 1
        *p_buff++ = 0x01; // -||-

        *p_buff++ = launch_desc->platform_length;
        memcpy(p_buff, launch_desc->platform, launch_desc->platform_length); // platform
        p_buff += launch_desc->platform_length;


        *p_buff++ = launch_desc->app_id_length;
        memcpy(p_buff, launch_desc->app_id, launch_desc->app_id_length);
        p_buff += launch_desc->app_id_length;

        *p_buff++ = 0x00; // parameters length 1B
        *p_buff++ = 0x01; // -||-
        *p_buff++ = WIN_LAUNCHAPP_EMPTY_PARAMETER; // empty parameter
    }

    *p_len = temp_len;

    return NRF_SUCCESS;
}

#endif // NRF_MODULE_ENABLED(NFC_NDEF_LAUNCHAPP_REC)