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Aquatic-Robotic-Courier/software/ARC-FW/hpl/pm/hpl_pm.c

78 lines
2.1 KiB
C

/**
* \file
*
* \brief SAM Power manager
*
* Copyright (c) 2014-2018 Microchip Technology Inc. and its subsidiaries.
*
* \asf_license_start
*
* \page License
*
* Subject to your compliance with these terms, you may use Microchip
* software and any derivatives exclusively with Microchip products.
* It is your responsibility to comply with third party license terms applicable
* to your use of third party software (including open source software) that
* may accompany Microchip software.
*
* THIS SOFTWARE IS SUPPLIED BY MICROCHIP "AS IS". NO WARRANTIES,
* WHETHER EXPRESS, IMPLIED OR STATUTORY, APPLY TO THIS SOFTWARE,
* INCLUDING ANY IMPLIED WARRANTIES OF NON-INFRINGEMENT, MERCHANTABILITY,
* AND FITNESS FOR A PARTICULAR PURPOSE. IN NO EVENT WILL MICROCHIP BE
* LIABLE FOR ANY INDIRECT, SPECIAL, PUNITIVE, INCIDENTAL OR CONSEQUENTIAL
* LOSS, DAMAGE, COST OR EXPENSE OF ANY KIND WHATSOEVER RELATED TO THE
* SOFTWARE, HOWEVER CAUSED, EVEN IF MICROCHIP HAS BEEN ADVISED OF THE
* POSSIBILITY OR THE DAMAGES ARE FORESEEABLE. TO THE FULLEST EXTENT
* ALLOWED BY LAW, MICROCHIP'S TOTAL LIABILITY ON ALL CLAIMS IN ANY WAY
* RELATED TO THIS SOFTWARE WILL NOT EXCEED THE AMOUNT OF FEES, IF ANY,
* THAT YOU HAVE PAID DIRECTLY TO MICROCHIP FOR THIS SOFTWARE.
*
* \asf_license_stop
*
*/
#include <hpl_pm_base.h>
#include <hpl_pm_config.h>
#include <hpl_reset.h>
#include <hpl_sleep.h>
#include <utils_assert.h>
/**
* \brief Retrieve the reset reason
*/
enum reset_reason _get_reset_reason(void)
{
return (enum reset_reason)hri_pm_read_RCAUSE_reg(PM);
}
/**
* \brief Set the sleep mode for the device
*/
int32_t _set_sleep_mode(const uint8_t mode)
{
switch (mode) {
case 0:
case 1:
case 2:
SCB->SCR &= ~SCB_SCR_SLEEPDEEP_Msk;
PM->SLEEP.reg = mode;
return ERR_NONE;
case 3:
SCB->SCR |= SCB_SCR_SLEEPDEEP_Msk;
return ERR_NONE;
default:
return ERR_INVALID_ARG;
}
}
/**
* \brief Power Manager Init
*/
void _pm_init(void)
{
hri_pm_set_CPUSEL_CPUDIV_bf(PM, CONF_CPU_DIV);
hri_pm_set_APBASEL_APBADIV_bf(PM, CONF_APBA_DIV);
hri_pm_set_APBBSEL_APBBDIV_bf(PM, CONF_APBB_DIV);
hri_pm_set_APBCSEL_APBCDIV_bf(PM, CONF_APBC_DIV);
}