IEEE 802.15.4 subsystem
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| Source at commit 79c9e3c1341fb475ea45b802ac1e5a9d4ce62aa8 created 7 years 3 months ago. By Werner Almesberger, atusb/Makefile (f, b): swap mask and copper layers for better visualization | |
|---|---|
| 1 | /* |
| 2 | * fw/sernum.c - ATUSB serial number |
| 3 | * |
| 4 | * Written 2008-2011, 2013 by Werner Almesberger |
| 5 | * Copyright 2008-2011, 2013 Werner Almesberger |
| 6 | * |
| 7 | * This program is free software; you can redistribute it and/or modify |
| 8 | * it under the terms of the GNU General Public License as published by |
| 9 | * the Free Software Foundation; either version 2 of the License, or |
| 10 | * (at your option) any later version. |
| 11 | */ |
| 12 | |
| 13 | |
| 14 | #include <stdbool.h> |
| 15 | #include <stdint.h> |
| 16 | |
| 17 | #include "usb.h" |
| 18 | |
| 19 | #include "board.h" |
| 20 | #include "sernum.h" |
| 21 | |
| 22 | |
| 23 | static const uint8_t string_descriptor_0[] = { |
| 24 | 4, /* blength */ |
| 25 | USB_DT_STRING, /* bDescriptorType */ |
| 26 | LE(USB_LANGID_ENGLISH_US) /* wLANGID[0] */ |
| 27 | }; |
| 28 | |
| 29 | |
| 30 | bool sernum_get_descr(uint8_t type, uint8_t index, const uint8_t **reply, |
| 31 | uint8_t *size) |
| 32 | { |
| 33 | if (type != USB_DT_STRING) |
| 34 | return 0; |
| 35 | switch (index) { |
| 36 | case 0: |
| 37 | *reply = string_descriptor_0; |
| 38 | *size = sizeof(string_descriptor_0); |
| 39 | return 1; |
| 40 | case 1: |
| 41 | *reply = board_sernum; |
| 42 | *size = sizeof(board_sernum); |
| 43 | return 1; |
| 44 | default: |
| 45 | return 0; |
| 46 | } |
| 47 | } |
| 48 | |
