fad79dc636
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@13110 a1c6a512-1295-4272-9138-f99709370657
46 lines
1.3 KiB
C
46 lines
1.3 KiB
C
/***************************************************************************
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* __________ __ ___.
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* Open \______ \ ____ ____ | | _\_ |__ _______ ___
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* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
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* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
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* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
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* \/ \/ \/ \/ \/
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* $Id$
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*
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* Copyright (C) 2007 by Jens Arnold
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*
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* All files in this archive are subject to the GNU General Public License.
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* See the file COPYING in the source tree root for full license agreement.
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*
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* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
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* KIND, either express or implied.
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*
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****************************************************************************/
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#include "config.h"
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#include <stdbool.h>
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#include "adc.h"
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#include "cpu.h"
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#include "hwcompat.h"
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#include "system.h"
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bool usb_detect(void)
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{
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return (adc_read(ADC_USB_POWER) <= 512) ? true : false;
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}
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void usb_enable(bool on)
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{
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if(read_hw_mask() & USB_ACTIVE_HIGH)
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on = !on;
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if(on)
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and_b(~0x04, &PADRH); /* enable USB */
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else
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or_b(0x04, &PADRH);
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}
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void usb_init_device(void)
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{
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usb_enable(false);
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or_b(0x04, &PAIORH);
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}
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