rockbox/firmware/target/arm/as3525/usb-as3525.c
Frank Gevaerts 303aefc406 Make usb_detect() return USB_UNPOWERED instead of USB_EXTRACTED. Without that, not all needed disconnect handling is done in usb.c
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@28874 a1c6a512-1295-4272-9138-f99709370657
2010-12-21 17:24:00 +00:00

81 lines
2.1 KiB
C

/***************************************************************************
* __________ __ ___.
* Open \______ \ ____ ____ | | _\_ |__ _______ ___
* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
* \/ \/ \/ \/ \/
* $Id$
*
* Copyright © 2008 Rafaël Carré
*
* 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 <stdbool.h>
#include "config.h"
#include "usb.h"
#ifdef HAVE_USBSTACK
#include "usb_core.h"
#endif
#include "usb-target.h"
#include "power.h"
#include "as3525.h"
static bool bus_activity = 0;
static bool connected = 0;
void usb_enable(bool on)
{
#if defined(HAVE_USBSTACK) && defined(USE_ROCKBOX_USB)
if (on)
usb_core_init();
else
usb_core_exit();
#else
(void)on;
#endif
}
void usb_insert_int(void)
{
connected = 1;
}
void usb_remove_int(void)
{
connected = 0;
bus_activity = 0;
}
void usb_drv_usb_detect_event(void)
{
/* Bus activity seen */
bus_activity = 1;
}
int usb_detect(void)
{
#if CONFIG_CPU == AS3525v2 && !defined(USE_ROCKBOX_USB)
/* Rebooting on USB plug can crash these players in a state where
* hardware power off (pressing the power button) doesn't work anymore
* TODO: Implement USB in rockbox for these players */
return USB_EXTRACTED;
#elif defined(USB_DETECT_BY_DRV)
if(bus_activity && connected)
return USB_INSERTED;
else if(connected)
return USB_POWERED;
else
return USB_UNPOWERED;
#else
return connected?USB_INSERTED:USB_EXTRACTED;
#endif
}