mac-rom-simm-programmer/hal/at90usb646/board.c
2023-06-25 11:38:41 -07:00

52 lines
1.3 KiB
C

/*
* board.c
*
* Created on: Nov 15, 2020
* Author: Doug
*
* Copyright (C) 2011-2023 Doug Brown
*
* 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 program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
*/
#include "board_hw.h"
#include <avr/io.h>
/// Whether we detected that the board had a brownout event
static bool brownout = false;
/** Initializes any board hardware-specific stuff
*
*/
void Board_Init(void)
{
// Figure out if a brownout occurred
if (MCUSR & (1 << BORF))
{
MCUSR = 0;
brownout = true;
}
}
/** Determines if a brownout was detected at startup
*
* @return True if a brownout was detected
*/
bool Board_BrownoutDetected(void)
{
return brownout;
}