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- /*
- * fw/sernum.c - ATUSB serial number
- *
- * Written 2008-2011, 2013 by Werner Almesberger
- * Copyright 2008-2011, 2013 Werner Almesberger
- *
- * 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 2 of the License, or
- * (at your option) any later version.
- */
- #include <stdbool.h>
- #include <stdint.h>
- #include "usb.h"
- #include "board.h"
- #include "sernum.h"
- static const uint8_t string_descriptor_0[] = {
- 4, /* blength */
- USB_DT_STRING, /* bDescriptorType */
- LE(USB_LANGID_ENGLISH_US) /* wLANGID[0] */
- };
- bool sernum_get_descr(uint8_t type, uint8_t index, const uint8_t **reply,
- uint8_t *size)
- {
- if (type != USB_DT_STRING)
- return 0;
- switch (index) {
- case 0:
- *reply = string_descriptor_0;
- *size = sizeof(string_descriptor_0);
- return 1;
- case 1:
- *reply = board_sernum;
- *size = sizeof(board_sernum);
- return 1;
- default:
- return 0;
- }
- }
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