flight/targets/boards/discoveryf4bare/pios_usb_board_data.c

   1 /**
   2  ******************************************************************************
   3  * @addtogroup PIOS PIOS Core hardware abstraction layer
   4  * @{
   5  * @addtogroup PIOS_USB_BOARD Board specific USB definitions
   6  * @brief Board specific USB definitions
   7  * @{
   8  *
   9  * @file       pios_usb_board_data.c
  10  * @author     The OpenPilot Team, http://www.openpilot.org Copyright (C) 2010.
  11  * @brief      Board specific USB definitions
  12  * @see        The GNU Public License (GPL) Version 3
  13  *
  14  *****************************************************************************/
  15 /*
  16  * This program is free software; you can redistribute it and/or modify
  17  * it under the terms of the GNU General Public License as published by
  18  * the Free Software Foundation; either version 3 of the License, or
  19  * (at your option) any later version.
  20  *
  21  * This program is distributed in the hope that it will be useful, but
  22  * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
  23  * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
  24  * for more details.
  25  *
  26  * You should have received a copy of the GNU General Public License along
  27  * with this program; if not, write to the Free Software Foundation, Inc.,
  28  * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
  29  */
  30
  31 #include "inc/pios_usb_board_data.h" /* struct usb_*, USB_* */
  32 #include <pios_sys.h> /* PIOS_SYS_SerialNumberGet */
  33 #include <pios_usbhook.h> /* PIOS_USBHOOK_* */
  34 #include <pios_usb_util.h> /* PIOS_USB_UTIL_AsciiToUtf8 */
  35
  36 static const uint8_t usb_product_id[24] = {
  37     sizeof(usb_product_id),
  38     USB_DESC_TYPE_STRING,
  39     'D',                   0,
  40     'i',                   0,
  41     's',                   0,
  42     'c',                   0,
  43     'o',                   0,
  44     'v',                   0,
  45     'e',                   0,
  46     'r',                   0,
  47     'y',                   0,
  48     'F',                   0,
  49     '4',                   0,
  50 };
  51
  52 static uint8_t usb_serial_number[2 + PIOS_SYS_SERIAL_NUM_ASCII_LEN * 2 + (sizeof(PIOS_USB_BOARD_SN_SUFFIX) - 1) * 2] = {
  53     sizeof(usb_serial_number),
  54     USB_DESC_TYPE_STRING,
  55 };
  56
  57 static const struct usb_string_langid usb_lang_id = {
  58     .bLength = sizeof(usb_lang_id),
  59     .bDescriptorType = USB_DESC_TYPE_STRING,
  60     .bLangID = htousbs(USB_LANGID_ENGLISH_US),
  61 };
  62
  63 static const uint8_t usb_vendor_id[28] = {
  64     sizeof(usb_vendor_id),
  65     USB_DESC_TYPE_STRING,
  66     'o',                  0,
  67     'p',                  0,
  68     'e',                  0,
  69     'n',                  0,
  70     'p',                  0,
  71     'i',                  0,
  72     'l',                  0,
  73     'o',                  0,
  74     't',                  0,
  75     '.',                  0,
  76     'o',                  0,
  77     'r',                  0,
  78     'g',                  0
  79 };
  80
  81 int32_t PIOS_USB_BOARD_DATA_Init(void)
  82 {
  83     /* Load device serial number into serial number string */
  84     uint8_t sn[PIOS_SYS_SERIAL_NUM_ASCII_LEN + 1];
  85
  86     PIOS_SYS_SerialNumberGet((char *)sn);
  87
  88     /* Concatenate the device serial number and the appropriate suffix ("+BL" or "+FW") into the USB serial number */
  89     uint8_t *utf8 = &(usb_serial_number[2]);
  90     utf8 = PIOS_USB_UTIL_AsciiToUtf8(utf8, sn, PIOS_SYS_SERIAL_NUM_ASCII_LEN);
  91     utf8 = PIOS_USB_UTIL_AsciiToUtf8(utf8, (uint8_t *)PIOS_USB_BOARD_SN_SUFFIX, sizeof(PIOS_USB_BOARD_SN_SUFFIX) - 1);
  92
  93     PIOS_USBHOOK_RegisterString(USB_STRING_DESC_PRODUCT, (uint8_t *)&usb_product_id, sizeof(usb_product_id));
  94     PIOS_USBHOOK_RegisterString(USB_STRING_DESC_SERIAL, (uint8_t *)&usb_serial_number, sizeof(usb_serial_number));
  95
  96     PIOS_USBHOOK_RegisterString(USB_STRING_DESC_LANG, (uint8_t *)&usb_lang_id, sizeof(usb_lang_id));
  97     PIOS_USBHOOK_RegisterString(USB_STRING_DESC_VENDOR, (uint8_t *)&usb_vendor_id, sizeof(usb_vendor_id));
  98
  99     return 0;
 100 }