78 lines
2.1 KiB
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_sleep.h>
|
|
#include <hpl_reset.h>
|
|
#include <hpl_init.h>
|
|
|
|
/**
|
|
* \brief Retrieve the reset reason
|
|
*/
|
|
enum reset_reason _get_reset_reason(void)
|
|
{
|
|
return (enum reset_reason)hri_rstc_read_RCAUSE_reg(RSTC);
|
|
}
|
|
|
|
/**
|
|
* \brief Set the sleep mode for the device
|
|
*/
|
|
int32_t _set_sleep_mode(const uint8_t mode)
|
|
{
|
|
switch (mode) {
|
|
case 2: /* IDLE */
|
|
case 4: /* STANDBY */
|
|
case 5: /* BACKUP */
|
|
case 6: /* OFF */
|
|
hri_pm_write_SLEEPCFG_SLEEPMODE_bf(PM, mode);
|
|
break;
|
|
default:
|
|
return ERR_INVALID_ARG;
|
|
}
|
|
|
|
return ERR_NONE;
|
|
}
|
|
|
|
/**
|
|
* \brief Set performance level
|
|
*/
|
|
void _set_performance_level(const uint8_t level)
|
|
{
|
|
if (hri_pm_get_PLCFG_PLSEL_bf(PM, PM_PLCFG_PLSEL_Msk) != level) {
|
|
hri_pm_clear_INTFLAG_reg(PM, 0xFF);
|
|
hri_pm_write_PLCFG_PLSEL_bf(PM, level);
|
|
while (!hri_pm_read_INTFLAG_reg(PM))
|
|
;
|
|
}
|
|
}
|