/**
 ******************************************************************************
 * @addtogroup PIOS PIOS Core hardware abstraction layer
 * @{
 * @addtogroup PIOS_USB_BOARD Board specific USB definitions
 * @brief Board specific USB definitions
 * @{
 *
 * @file       pios_usb_board_data.c
 * @author     The LibrePilot Project, http://www.librepilot.org Copyright (C) 2017.
 *             The OpenPilot Team, http://www.openpilot.org Copyright (C) 2010.
 * @brief      Board specific USB definitions
 * @see        The GNU Public License (GPL) Version 3
 *
 *****************************************************************************/
/*
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful, but
 * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
 * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
 * for more details.
 *
 * You should have received a copy of the GNU General Public License along
 * with this program; if not, write to the Free Software Foundation, Inc.,
 * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
 */

#include "inc/pios_usb_board_data.h" /* struct usb_*, USB_* */
#include <pios_sys.h> /* PIOS_SYS_SerialNumberGet */
#include <pios_usbhook.h> /* PIOS_USBHOOK_* */
#include <pios_usb_util.h> /* PIOS_USB_UTIL_AsciiToUtf8 */

static const uint8_t usb_product_id[30] = {
    sizeof(usb_product_id),
    USB_DESC_TYPE_STRING,
    'S',                   0,
    'P',                   0,
    'R',                   0,
    'a',                   0,
    'c',                   0,
    'i',                   0,
    'n',                   0,
    'g',                   0,
    'F',                   0,
    '3',                   0,
    '_',                   0,
    'E',                   0,
    'V',                   0,
    'O',                   0,
};

static uint8_t usb_serial_number[2 + PIOS_SYS_SERIAL_NUM_ASCII_LEN * 2 + (sizeof(PIOS_USB_BOARD_SN_SUFFIX) - 1) * 2] = {
    sizeof(usb_serial_number),
    USB_DESC_TYPE_STRING,
};

static const struct usb_string_langid usb_lang_id = {
    .bLength = sizeof(usb_lang_id),
    .bDescriptorType = USB_DESC_TYPE_STRING,
    .bLangID = htousbs(USB_LANGID_ENGLISH_US),
};

static const uint8_t usb_vendor_id[28] = {
    sizeof(usb_vendor_id),
    USB_DESC_TYPE_STRING,
    'o',                  0,
    'p',                  0,
    'e',                  0,
    'n',                  0,
    'p',                  0,
    'i',                  0,
    'l',                  0,
    'o',                  0,
    't',                  0,
    '.',                  0,
    'o',                  0,
    'r',                  0,
    'g',                  0
};

int32_t PIOS_USB_BOARD_DATA_Init(void)
{
    /* Load device serial number into serial number string */
    uint8_t sn[PIOS_SYS_SERIAL_NUM_ASCII_LEN + 1];

    PIOS_SYS_SerialNumberGet((char *)sn);

    /* Concatenate the device serial number and the appropriate suffix ("+BL" or "+FW") into the USB serial number */
    uint8_t *utf8 = &(usb_serial_number[2]);
    utf8 = PIOS_USB_UTIL_AsciiToUtf8(utf8, sn, PIOS_SYS_SERIAL_NUM_ASCII_LEN);
    utf8 = PIOS_USB_UTIL_AsciiToUtf8(utf8, (uint8_t *)PIOS_USB_BOARD_SN_SUFFIX, sizeof(PIOS_USB_BOARD_SN_SUFFIX) - 1);

    PIOS_USBHOOK_RegisterString(USB_STRING_DESC_PRODUCT, (uint8_t *)&usb_product_id, sizeof(usb_product_id));
    PIOS_USBHOOK_RegisterString(USB_STRING_DESC_SERIAL, (uint8_t *)&usb_serial_number, sizeof(usb_serial_number));

    PIOS_USBHOOK_RegisterString(USB_STRING_DESC_LANG, (uint8_t *)&usb_lang_id, sizeof(usb_lang_id));
    PIOS_USBHOOK_RegisterString(USB_STRING_DESC_VENDOR, (uint8_t *)&usb_vendor_id, sizeof(usb_vendor_id));

    return 0;
}