rockbox/firmware/usbstack/usb_charging_only.c
Daniel Stenberg 2acc0ac542 Updated our source code header to explicitly mention that we are GPL v2 or
later. We still need to hunt down snippets used that are not. 1324 modified
files...
http://www.rockbox.org/mail/archive/rockbox-dev-archive-2008-06/0060.shtml


git-svn-id: svn://svn.rockbox.org/rockbox/trunk@17847 a1c6a512-1295-4272-9138-f99709370657
2008-06-28 18:10:04 +00:00

75 lines
2.3 KiB
C

/***************************************************************************
* __________ __ ___.
* Open \______ \ ____ ____ | | _\_ |__ _______ ___
* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
* \/ \/ \/ \/ \/
* $Id: $
*
* Copyright (C) 2008 by Frank Gevaerts
*
* 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.
*
* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
* KIND, either express or implied.
*
****************************************************************************/
#include "string.h"
#include "system.h"
#include "usb_core.h"
#include "usb_drv.h"
#include "kernel.h"
#include "usb_charging_only.h"
//#define LOGF_ENABLE
#include "logf.h"
#ifdef USB_CHARGING_ONLY
/* charging_only interface */
static struct usb_interface_descriptor __attribute__((aligned(2)))
interface_descriptor =
{
.bLength = sizeof(struct usb_interface_descriptor),
.bDescriptorType = USB_DT_INTERFACE,
.bInterfaceNumber = 0,
.bAlternateSetting = 0,
.bNumEndpoints = 0,
.bInterfaceClass = USB_CLASS_VENDOR_SPEC,
.bInterfaceSubClass = 0,
.bInterfaceProtocol = 0,
.iInterface = 0
};
static int usb_interface;
int usb_charging_only_set_first_endpoint(int endpoint)
{
/* The dummy charging_only driver doesn't need an endpoint pair */
return endpoint;
}
int usb_charging_only_set_first_interface(int interface)
{
usb_interface = interface;
return interface + 1;
}
int usb_charging_only_get_config_descriptor(unsigned char *dest,int max_packet_size)
{
(void)max_packet_size;
unsigned char *orig_dest = dest;
interface_descriptor.bInterfaceNumber=usb_interface;
memcpy(dest,&interface_descriptor,sizeof(struct usb_interface_descriptor));
dest+=sizeof(struct usb_interface_descriptor);
return (dest-orig_dest);
}
#endif /*USB_CHARGING_ONLY*/