rockbox/firmware/target/arm/gigabeat/meg-fx/usb-meg-fx.c

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/***************************************************************************
* __________ __ ___.
* Open \______ \ ____ ____ | | _\_ |__ _______ ___
* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
* \/ \/ \/ \/ \/
* $Id$
*
* Copyright (C) 2006 by Linus Nielsen Feltzing
*
* All files in this archive are subject to the GNU General Public License.
* See the file COPYING in the source tree root for full license agreement.
*
* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
* KIND, either express or implied.
*
****************************************************************************/
#include "config.h"
#include <stdbool.h>
#include "cpu.h"
#include "system.h"
void usb_init_device(void)
{
}
bool usb_detect(void)
{
return (GPFDAT & 1) ? false : true;
}
void usb_enable(bool on)
{
if(on) {
int i;
GPBDAT &= 0x7EF;
GPBCON |= 1<<8;
GPGDAT &= 0xE7FF;
GPGDAT |= 1<<11;
for (i = 0; i < 10000000; i++) {continue;}
GPBCON &= 0x2FFCFF;
GPBDAT |= 1<<5;
GPBDAT |= 1<<6;
} else {
/* TODO how turn USB mode back off again? */
}
}