c87fc6d5f1
git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@3378 42af7a65-404d-4744-a932-0658087f49c3
94 lines
2.9 KiB
C
94 lines
2.9 KiB
C
/****************************************************************************
|
|
* config/vsn/src/power.c
|
|
* arch/arm/src/board/power.c
|
|
*
|
|
* Copyright (C) 2011 Uros Platise. All rights reserved.
|
|
*
|
|
* Authors: Uros Platise <uros.platise@isotel.eu>
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions
|
|
* are met:
|
|
*
|
|
* 1. Redistributions of source code must retain the above copyright
|
|
* notice, this list of conditions and the following disclaimer.
|
|
* 2. Redistributions in binary form must reproduce the above copyright
|
|
* notice, this list of conditions and the following disclaimer in
|
|
* the documentation and/or other materials provided with the
|
|
* distribution.
|
|
* 3. Neither the name NuttX nor the names of its contributors may be
|
|
* used to endorse or promote products derived from this software
|
|
* without specific prior written permission.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
|
|
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
|
|
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
|
|
* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
|
|
* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
|
|
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
|
|
* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
|
|
* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
|
|
* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
|
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
|
|
* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
|
|
* POSSIBILITY OF SUCH DAMAGE.
|
|
*
|
|
****************************************************************************/
|
|
|
|
#include <nuttx/config.h>
|
|
|
|
#include <arch/board/board.h>
|
|
#include <arch/stm32/irq.h>
|
|
|
|
#include <stdint.h>
|
|
#include <stdbool.h>
|
|
#include <debug.h>
|
|
|
|
#include "stm32_gpio.h"
|
|
#include "vsn.h"
|
|
#include "up_arch.h"
|
|
|
|
|
|
void board_power_register(void);
|
|
void board_power_adjust(void);
|
|
void board_power_status(void);
|
|
|
|
|
|
|
|
void board_power_init(void)
|
|
{
|
|
stm32_configgpio(GPIO_PVS);
|
|
stm32_configgpio(GPIO_PST);
|
|
stm32_configgpio(GPIO_XPWR);
|
|
stm32_configgpio(GPIO_SCTC);
|
|
stm32_configgpio(GPIO_PCLR);
|
|
}
|
|
|
|
|
|
void board_power_reboot(void)
|
|
{
|
|
// low-level board reset (not just MCU reset)
|
|
// if external power is present, stimulate power-off as board
|
|
// will wake-up immediatelly, if power is not present, set an alarm
|
|
// before power off the board.
|
|
}
|
|
|
|
|
|
void board_power_off(void)
|
|
{
|
|
// Check if external supply is not present, otherwise return
|
|
// notifying that it is not possible to power-off the board
|
|
|
|
// \todo
|
|
|
|
// stop backgorund processes
|
|
irqsave();
|
|
|
|
// switch to internal HSI and get the PD0 and PD1 as GPIO
|
|
stm32_board_select_hsi();
|
|
|
|
// trigger shutdown with pull-up resistor (not push-pull!) and wait.
|
|
stm32_gpiowrite(GPIO_PCLR, true);
|
|
for(;;);
|
|
}
|