stm32f4-nucleo-test/libopencm3/lib/swm050/pwr.c
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2023-01-21 18:31:08 +02:00

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C

/** @defgroup pwr_file Power/Sleep API
* @brief SWM050 Power API.
* @ingroup peripheral_apis
* LGPL License Terms @ref lgpl_license
* @author @htmlonly © @endhtmlonly 2019
* Caleb Szalacinski <contact@skiboy.net>
*/
/*
* This file is part of the libopencm3 project.
*
* Copyright (C) 2019 Caleb Szalacinski <contact@skiboy.net>
*
* This library is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This library 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 Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this library. If not, see <http://www.gnu.org/licenses/>.
*/
/**@{*/
#include <libopencm3/swm050/sysctl.h>
#include <libopencm3/swm050/pwr.h>
/*---------------------------------------------------------------------------*/
/** @brief Go into sleep mode
Goes to sleep and wakes up on when GPIO pin 9 is pulled low. Please give
yourself enough time to connect the debugger before calling this, in order to
not get locked out of the MCU.
*/
void pwr_sleep(void)
{
SYSCTL_SYS_CFG_2 |= SYSCTL_SYS_CFG_2_SLEEP;
}
/**@}*/