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/***************************************************************************
* __________ __ ___.
* Open \______ \ ____ ____ | | _\_ |__ _______ ___
* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
* \/ \/ \/ \/ \/
* $Id$
*
* Copyright (C) 2016 by Roman Stolyarov
*
* 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 "config.h"
#include "power.h"
#include "cpu.h"
#define CHARGE_STAT_GPIO (32*1+6) /* STAT port */
#define PIN_USB_DET (32*4+19) /* USB connected */
/* Detect which power sources are present. */
unsigned int power_input_status(void)
{
int rval = POWER_INPUT_NONE;
if(!__gpio_get_pin(PIN_USB_DET))
rval |= POWER_INPUT_USB;
if(!__gpio_get_pin(CHARGE_STAT_GPIO))
rval |= POWER_INPUT_USB_CHARGER;
return rval;
}
void power_init(void)
{
__gpio_as_input(CHARGE_STAT_GPIO);
__gpio_disable_pull(CHARGE_STAT_GPIO);
}
bool charging_state(void)
{
return (power_input_status() & POWER_INPUT_USB_CHARGER);
}
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