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ben-wpan/atusb/fw/sernum.c
Werner Almesberger a8db238cbb atusb/fw/: convert functions returning "int" to "bool"
Firmware size is down from 5612 to 3590 bytes. Wow !
2013-03-29 19:14:11 -03:00

48 lines
1010 B
C

/*
* 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;
}
}