610 lines
20 KiB
C
610 lines
20 KiB
C
/*
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* The Clear BSD License
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* Copyright (c) 2016, Freescale Semiconductor, Inc.
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* Copyright (c) 2017, NXP
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without modification,
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* are permitted (subject to the limitations in the disclaimer below) provided
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* that the following conditions are met:
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*
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* o Redistributions of source code must retain the above copyright notice, this list
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* of conditions and the following disclaimer.
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*
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* o Redistributions in binary form must reproduce the above copyright notice, this
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* list of conditions and the following disclaimer in the documentation and/or
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* other materials provided with the distribution.
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*
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* o Neither the name of the copyright holder nor the names of its
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* contributors may be used to endorse or promote products derived from this
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* software without specific prior written permission.
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*
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* NO EXPRESS OR IMPLIED LICENSES TO ANY PARTY'S PATENT RIGHTS ARE GRANTED BY THIS LICENSE.
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR
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* ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
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* ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include "fsl_snvs_lp.h"
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/*******************************************************************************
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* Definitions
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******************************************************************************/
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/* Component ID definition, used by tools. */
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#ifndef FSL_COMPONENT_ID
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#define FSL_COMPONENT_ID "platform.drivers.snvs_lp"
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#endif
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#define SECONDS_IN_A_DAY (86400U)
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#define SECONDS_IN_A_HOUR (3600U)
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#define SECONDS_IN_A_MINUTE (60U)
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#define DAYS_IN_A_YEAR (365U)
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#define YEAR_RANGE_START (1970U)
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#define YEAR_RANGE_END (2099U)
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/*******************************************************************************
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* Prototypes
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******************************************************************************/
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/*!
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* @brief Checks whether the date and time passed in is valid
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*
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* @param datetime Pointer to structure where the date and time details are stored
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*
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* @return Returns false if the date & time details are out of range; true if in range
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*/
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static bool SNVS_LP_CheckDatetimeFormat(const snvs_lp_srtc_datetime_t *datetime);
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/*!
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* @brief Converts time data from datetime to seconds
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*
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* @param datetime Pointer to datetime structure where the date and time details are stored
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*
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* @return The result of the conversion in seconds
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*/
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static uint32_t SNVS_LP_ConvertDatetimeToSeconds(const snvs_lp_srtc_datetime_t *datetime);
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/*!
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* @brief Converts time data from seconds to a datetime structure
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*
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* @param seconds Seconds value that needs to be converted to datetime format
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* @param datetime Pointer to the datetime structure where the result of the conversion is stored
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*/
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static void SNVS_LP_ConvertSecondsToDatetime(uint32_t seconds, snvs_lp_srtc_datetime_t *datetime);
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/*!
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* @brief Returns SRTC time in seconds.
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*
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* This function is used internally to get actual SRTC time in seconds.
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*
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* @param base SNVS peripheral base address
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*
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* @return SRTC time in seconds
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*/
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static uint32_t SNVS_LP_SRTC_GetSeconds(SNVS_Type *base);
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#if (!(defined(FSL_SDK_DISABLE_DRIVER_CLOCK_CONTROL) && FSL_SDK_DISABLE_DRIVER_CLOCK_CONTROL) && \
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defined(SNVS_LP_CLOCKS))
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/*!
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* @brief Get the SNVS instance from peripheral base address.
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*
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* @param base SNVS peripheral base address.
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*
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* @return SNVS instance.
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*/
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static uint32_t SNVS_LP_GetInstance(SNVS_Type *base);
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#endif /* FSL_SDK_DISABLE_DRIVER_CLOCK_CONTROL */
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/*******************************************************************************
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* Variables
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******************************************************************************/
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#if (!(defined(FSL_SDK_DISABLE_DRIVER_CLOCK_CONTROL) && FSL_SDK_DISABLE_DRIVER_CLOCK_CONTROL) && \
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defined(SNVS_LP_CLOCKS))
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/*! @brief Pointer to snvs_lp clock. */
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const clock_ip_name_t s_snvsLpClock[] = SNVS_LP_CLOCKS;
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#endif /* FSL_SDK_DISABLE_DRIVER_CLOCK_CONTROL */
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/*******************************************************************************
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* Code
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******************************************************************************/
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static bool SNVS_LP_CheckDatetimeFormat(const snvs_lp_srtc_datetime_t *datetime)
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{
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assert(datetime);
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/* Table of days in a month for a non leap year. First entry in the table is not used,
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* valid months start from 1
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*/
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uint8_t daysPerMonth[] = {0U, 31U, 28U, 31U, 30U, 31U, 30U, 31U, 31U, 30U, 31U, 30U, 31U};
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/* Check year, month, hour, minute, seconds */
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if ((datetime->year < YEAR_RANGE_START) || (datetime->year > YEAR_RANGE_END) || (datetime->month > 12U) ||
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(datetime->month < 1U) || (datetime->hour >= 24U) || (datetime->minute >= 60U) || (datetime->second >= 60U))
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{
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/* If not correct then error*/
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return false;
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}
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/* Adjust the days in February for a leap year */
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if ((((datetime->year & 3U) == 0) && (datetime->year % 100 != 0)) || (datetime->year % 400 == 0))
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{
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daysPerMonth[2] = 29U;
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}
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/* Check the validity of the day */
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if ((datetime->day > daysPerMonth[datetime->month]) || (datetime->day < 1U))
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{
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return false;
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}
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return true;
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}
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static uint32_t SNVS_LP_ConvertDatetimeToSeconds(const snvs_lp_srtc_datetime_t *datetime)
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{
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assert(datetime);
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/* Number of days from begin of the non Leap-year*/
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/* Number of days from begin of the non Leap-year*/
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uint16_t monthDays[] = {0U, 0U, 31U, 59U, 90U, 120U, 151U, 181U, 212U, 243U, 273U, 304U, 334U};
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uint32_t seconds;
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/* Compute number of days from 1970 till given year*/
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seconds = (datetime->year - 1970U) * DAYS_IN_A_YEAR;
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/* Add leap year days */
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seconds += ((datetime->year / 4) - (1970U / 4));
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/* Add number of days till given month*/
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seconds += monthDays[datetime->month];
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/* Add days in given month. We subtract the current day as it is
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* represented in the hours, minutes and seconds field*/
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seconds += (datetime->day - 1);
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/* For leap year if month less than or equal to Febraury, decrement day counter*/
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if ((!(datetime->year & 3U)) && (datetime->month <= 2U))
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{
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seconds--;
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}
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seconds = (seconds * SECONDS_IN_A_DAY) + (datetime->hour * SECONDS_IN_A_HOUR) +
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(datetime->minute * SECONDS_IN_A_MINUTE) + datetime->second;
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return seconds;
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}
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static void SNVS_LP_ConvertSecondsToDatetime(uint32_t seconds, snvs_lp_srtc_datetime_t *datetime)
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{
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assert(datetime);
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uint32_t x;
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uint32_t secondsRemaining, days;
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uint16_t daysInYear;
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/* Table of days in a month for a non leap year. First entry in the table is not used,
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* valid months start from 1
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*/
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uint8_t daysPerMonth[] = {0U, 31U, 28U, 31U, 30U, 31U, 30U, 31U, 31U, 30U, 31U, 30U, 31U};
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/* Start with the seconds value that is passed in to be converted to date time format */
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secondsRemaining = seconds;
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/* Calcuate the number of days, we add 1 for the current day which is represented in the
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* hours and seconds field
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*/
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days = secondsRemaining / SECONDS_IN_A_DAY + 1;
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/* Update seconds left*/
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secondsRemaining = secondsRemaining % SECONDS_IN_A_DAY;
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/* Calculate the datetime hour, minute and second fields */
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datetime->hour = secondsRemaining / SECONDS_IN_A_HOUR;
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secondsRemaining = secondsRemaining % SECONDS_IN_A_HOUR;
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datetime->minute = secondsRemaining / 60U;
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datetime->second = secondsRemaining % SECONDS_IN_A_MINUTE;
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/* Calculate year */
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daysInYear = DAYS_IN_A_YEAR;
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datetime->year = YEAR_RANGE_START;
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while (days > daysInYear)
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{
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/* Decrease day count by a year and increment year by 1 */
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days -= daysInYear;
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datetime->year++;
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/* Adjust the number of days for a leap year */
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if (datetime->year & 3U)
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{
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daysInYear = DAYS_IN_A_YEAR;
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}
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else
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{
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daysInYear = DAYS_IN_A_YEAR + 1;
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}
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}
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/* Adjust the days in February for a leap year */
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if (!(datetime->year & 3U))
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{
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daysPerMonth[2] = 29U;
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}
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for (x = 1U; x <= 12U; x++)
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{
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if (days <= daysPerMonth[x])
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{
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datetime->month = x;
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break;
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}
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else
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{
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days -= daysPerMonth[x];
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}
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}
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datetime->day = days;
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}
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#if (!(defined(FSL_SDK_DISABLE_DRIVER_CLOCK_CONTROL) && FSL_SDK_DISABLE_DRIVER_CLOCK_CONTROL) && \
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defined(SNVS_LP_CLOCKS))
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static uint32_t SNVS_LP_GetInstance(SNVS_Type *base)
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{
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return 0U;
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}
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#endif /* FSL_SDK_DISABLE_DRIVER_CLOCK_CONTROL */
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void SNVS_LP_SRTC_Init(SNVS_Type *base, const snvs_lp_srtc_config_t *config)
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{
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assert(config);
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#if (!(defined(FSL_SDK_DISABLE_DRIVER_CLOCK_CONTROL) && FSL_SDK_DISABLE_DRIVER_CLOCK_CONTROL) && \
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defined(SNVS_LP_CLOCKS))
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uint32_t instance = SNVS_LP_GetInstance(base);
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CLOCK_EnableClock(s_snvsLpClock[instance]);
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#endif /* FSL_SDK_DISABLE_DRIVER_CLOCK_CONTROL */
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int pin;
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if (config->srtcCalEnable)
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{
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base->LPCR = SNVS_LPCR_LPCALB_VAL_MASK & (config->srtcCalValue << SNVS_LPCR_LPCALB_VAL_SHIFT);
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base->LPCR |= SNVS_LPCR_LPCALB_EN_MASK;
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}
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for (pin = kSNVS_ExternalTamper1; pin <= SNVS_LP_MAX_TAMPER; pin++)
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{
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SNVS_LP_DisableExternalTamper(SNVS, (snvs_lp_external_tamper_t)pin);
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SNVS_LP_ClearExternalTamperStatus(SNVS, (snvs_lp_external_tamper_t)pin);
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}
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}
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void SNVS_LP_SRTC_Deinit(SNVS_Type *base)
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{
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base->LPCR &= ~SNVS_LPCR_SRTC_ENV_MASK;
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#if (!(defined(FSL_SDK_DISABLE_DRIVER_CLOCK_CONTROL) && FSL_SDK_DISABLE_DRIVER_CLOCK_CONTROL) && \
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defined(SNVS_LP_CLOCKS))
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uint32_t instance = SNVS_LP_GetInstance(base);
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CLOCK_DisableClock(s_snvsLpClock[instance]);
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#endif /* FSL_SDK_DISABLE_DRIVER_CLOCK_CONTROL */
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}
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void SNVS_LP_SRTC_GetDefaultConfig(snvs_lp_srtc_config_t *config)
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{
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assert(config);
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config->srtcCalEnable = false;
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config->srtcCalValue = 0U;
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}
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static uint32_t SNVS_LP_SRTC_GetSeconds(SNVS_Type *base)
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{
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uint32_t seconds = 0;
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uint32_t tmp = 0;
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/* Do consecutive reads until value is correct */
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do
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{
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seconds = tmp;
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tmp = (base->LPSRTCMR << 17U) | (base->LPSRTCLR >> 15U);
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} while (tmp != seconds);
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return seconds;
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}
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status_t SNVS_LP_SRTC_SetDatetime(SNVS_Type *base, const snvs_lp_srtc_datetime_t *datetime)
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{
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assert(datetime);
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uint32_t seconds = 0U;
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uint32_t tmp = base->LPCR;
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/* disable RTC */
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SNVS_LP_SRTC_StopTimer(base);
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/* Return error if the time provided is not valid */
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if (!(SNVS_LP_CheckDatetimeFormat(datetime)))
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{
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return kStatus_InvalidArgument;
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}
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/* Set time in seconds */
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seconds = SNVS_LP_ConvertDatetimeToSeconds(datetime);
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base->LPSRTCMR = (uint32_t)(seconds >> 17U);
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base->LPSRTCLR = (uint32_t)(seconds << 15U);
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/* reenable SRTC in case that it was enabled before */
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if (tmp & SNVS_LPCR_SRTC_ENV_MASK)
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{
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SNVS_LP_SRTC_StartTimer(base);
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}
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return kStatus_Success;
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}
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void SNVS_LP_SRTC_GetDatetime(SNVS_Type *base, snvs_lp_srtc_datetime_t *datetime)
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{
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assert(datetime);
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SNVS_LP_ConvertSecondsToDatetime(SNVS_LP_SRTC_GetSeconds(base), datetime);
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}
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status_t SNVS_LP_SRTC_SetAlarm(SNVS_Type *base, const snvs_lp_srtc_datetime_t *alarmTime)
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{
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assert(alarmTime);
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uint32_t alarmSeconds = 0U;
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uint32_t currSeconds = 0U;
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uint32_t tmp = base->LPCR;
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/* Return error if the alarm time provided is not valid */
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if (!(SNVS_LP_CheckDatetimeFormat(alarmTime)))
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{
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return kStatus_InvalidArgument;
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}
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alarmSeconds = SNVS_LP_ConvertDatetimeToSeconds(alarmTime);
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currSeconds = SNVS_LP_SRTC_GetSeconds(base);
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/* Return error if the alarm time has passed */
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if (alarmSeconds <= currSeconds)
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{
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return kStatus_Fail;
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}
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/* disable SRTC alarm interrupt */
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base->LPCR &= ~SNVS_LPCR_LPTA_EN_MASK;
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while (base->LPCR & SNVS_LPCR_LPTA_EN_MASK)
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{
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}
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/* Set alarm in seconds*/
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base->LPTAR = alarmSeconds;
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/* reenable SRTC alarm interrupt in case that it was enabled before */
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base->LPCR = tmp;
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return kStatus_Success;
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}
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void SNVS_LP_SRTC_GetAlarm(SNVS_Type *base, snvs_lp_srtc_datetime_t *datetime)
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{
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assert(datetime);
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uint32_t alarmSeconds = 0U;
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/* Get alarm in seconds */
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alarmSeconds = base->LPTAR;
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SNVS_LP_ConvertSecondsToDatetime(alarmSeconds, datetime);
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}
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uint32_t SNVS_LP_SRTC_GetStatusFlags(SNVS_Type *base)
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{
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uint32_t flags = 0U;
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if (base->LPSR & SNVS_LPSR_LPTA_MASK)
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{
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flags |= kSNVS_SRTC_AlarmInterruptFlag;
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}
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return flags;
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}
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uint32_t SNVS_LP_SRTC_GetEnabledInterrupts(SNVS_Type *base)
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{
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uint32_t val = 0U;
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if (base->LPCR & SNVS_LPCR_LPTA_EN_MASK)
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{
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val |= kSNVS_SRTC_AlarmInterrupt;
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}
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return val;
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}
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void SNVS_LP_EnableExternalTamper(SNVS_Type *base,
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snvs_lp_external_tamper_t pin,
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snvs_lp_external_tamper_polarity_t polarity)
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{
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switch (pin)
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{
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case (kSNVS_ExternalTamper1):
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base->LPTDCR = (base->LPTDCR & ~(1U << SNVS_LPTDCR_ET1P_SHIFT)) | (polarity << SNVS_LPTDCR_ET1P_SHIFT);
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base->LPTDCR |= SNVS_LPTDCR_ET1_EN_MASK;
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break;
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#if defined(FSL_FEATURE_SNVS_HAS_MULTIPLE_TAMPER) && (FSL_FEATURE_SNVS_HAS_MULTIPLE_TAMPER > 1)
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case (kSNVS_ExternalTamper2):
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base->LPTDCR = (base->LPTDCR & ~(1U << SNVS_LPTDCR_ET2P_SHIFT)) | (polarity << SNVS_LPTDCR_ET2P_SHIFT);
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base->LPTDCR |= SNVS_LPTDCR_ET2_EN_MASK;
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break;
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case (kSNVS_ExternalTamper3):
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base->LPTDC2R = (base->LPTDC2R & ~(1U << SNVS_LPTDC2R_ET3P_SHIFT)) | (polarity << SNVS_LPTDC2R_ET3P_SHIFT);
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base->LPTDC2R |= SNVS_LPTDC2R_ET3_EN_MASK;
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break;
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case (kSNVS_ExternalTamper4):
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base->LPTDC2R = (base->LPTDC2R & ~(1U << SNVS_LPTDC2R_ET4P_SHIFT)) | (polarity << SNVS_LPTDC2R_ET4P_SHIFT);
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base->LPTDC2R |= SNVS_LPTDC2R_ET4_EN_MASK;
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break;
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case (kSNVS_ExternalTamper5):
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base->LPTDC2R = (base->LPTDC2R & ~(1U << SNVS_LPTDC2R_ET5P_SHIFT)) | (polarity << SNVS_LPTDC2R_ET5P_SHIFT);
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base->LPTDC2R |= SNVS_LPTDC2R_ET5_EN_MASK;
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break;
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case (kSNVS_ExternalTamper6):
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base->LPTDC2R = (base->LPTDC2R & ~(1U << SNVS_LPTDC2R_ET6P_SHIFT)) | (polarity << SNVS_LPTDC2R_ET6P_SHIFT);
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base->LPTDC2R |= SNVS_LPTDC2R_ET6_EN_MASK;
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break;
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case (kSNVS_ExternalTamper7):
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base->LPTDC2R = (base->LPTDC2R & ~(1U << SNVS_LPTDC2R_ET7P_SHIFT)) | (polarity << SNVS_LPTDC2R_ET7P_SHIFT);
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base->LPTDC2R |= SNVS_LPTDC2R_ET7_EN_MASK;
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break;
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case (kSNVS_ExternalTamper8):
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base->LPTDC2R = (base->LPTDC2R & ~(1U << SNVS_LPTDC2R_ET8P_SHIFT)) | (polarity << SNVS_LPTDC2R_ET8P_SHIFT);
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base->LPTDC2R |= SNVS_LPTDC2R_ET8_EN_MASK;
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break;
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case (kSNVS_ExternalTamper9):
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base->LPTDC2R = (base->LPTDC2R & ~(1U << SNVS_LPTDC2R_ET9P_SHIFT)) | (polarity << SNVS_LPTDC2R_ET9P_SHIFT);
|
|
base->LPTDC2R |= SNVS_LPTDC2R_ET9_EN_MASK;
|
|
break;
|
|
case (kSNVS_ExternalTamper10):
|
|
base->LPTDC2R =
|
|
(base->LPTDC2R & ~(1U << SNVS_LPTDC2R_ET10P_SHIFT)) | (polarity << SNVS_LPTDC2R_ET10P_SHIFT);
|
|
base->LPTDC2R |= SNVS_LPTDC2R_ET10_EN_MASK;
|
|
break;
|
|
#endif
|
|
default:
|
|
break;
|
|
}
|
|
}
|
|
|
|
void SNVS_LP_DisableExternalTamper(SNVS_Type *base, snvs_lp_external_tamper_t pin)
|
|
{
|
|
switch (pin)
|
|
{
|
|
case (kSNVS_ExternalTamper1):
|
|
base->LPTDCR &= ~SNVS_LPTDCR_ET1_EN_MASK;
|
|
break;
|
|
#if defined(FSL_FEATURE_SNVS_HAS_MULTIPLE_TAMPER) && (FSL_FEATURE_SNVS_HAS_MULTIPLE_TAMPER > 1)
|
|
case (kSNVS_ExternalTamper2):
|
|
base->LPTDCR &= ~SNVS_LPTDCR_ET2_EN_MASK;
|
|
break;
|
|
case (kSNVS_ExternalTamper3):
|
|
base->LPTDC2R &= ~SNVS_LPTDC2R_ET3_EN_MASK;
|
|
break;
|
|
case (kSNVS_ExternalTamper4):
|
|
base->LPTDC2R &= ~SNVS_LPTDC2R_ET4_EN_MASK;
|
|
break;
|
|
case (kSNVS_ExternalTamper5):
|
|
base->LPTDC2R &= ~SNVS_LPTDC2R_ET5_EN_MASK;
|
|
break;
|
|
case (kSNVS_ExternalTamper6):
|
|
base->LPTDC2R &= ~SNVS_LPTDC2R_ET6_EN_MASK;
|
|
break;
|
|
case (kSNVS_ExternalTamper7):
|
|
base->LPTDC2R &= ~SNVS_LPTDC2R_ET7_EN_MASK;
|
|
break;
|
|
case (kSNVS_ExternalTamper8):
|
|
base->LPTDC2R &= ~SNVS_LPTDC2R_ET8_EN_MASK;
|
|
break;
|
|
case (kSNVS_ExternalTamper9):
|
|
base->LPTDC2R &= ~SNVS_LPTDC2R_ET9_EN_MASK;
|
|
break;
|
|
case (kSNVS_ExternalTamper10):
|
|
base->LPTDC2R &= ~SNVS_LPTDC2R_ET10_EN_MASK;
|
|
break;
|
|
#endif
|
|
default:
|
|
break;
|
|
}
|
|
}
|
|
|
|
snvs_lp_external_tamper_status_t SNVS_LP_GetExternalTamperStatus(SNVS_Type *base, snvs_lp_external_tamper_t pin)
|
|
{
|
|
snvs_lp_external_tamper_status_t status = kSNVS_TamperNotDetected;
|
|
|
|
switch (pin)
|
|
{
|
|
case (kSNVS_ExternalTamper1):
|
|
status = (base->LPSR & SNVS_LPSR_ET1D_MASK) ? kSNVS_TamperDetected : kSNVS_TamperNotDetected;
|
|
break;
|
|
#if defined(FSL_FEATURE_SNVS_HAS_MULTIPLE_TAMPER) && (FSL_FEATURE_SNVS_HAS_MULTIPLE_TAMPER > 1)
|
|
case (kSNVS_ExternalTamper2):
|
|
status = (base->LPSR & SNVS_LPSR_ET2D_MASK) ? kSNVS_TamperDetected : kSNVS_TamperNotDetected;
|
|
break;
|
|
case (kSNVS_ExternalTamper3):
|
|
status = (base->LPTDSR & SNVS_LPTDSR_ET3D_MASK) ? kSNVS_TamperDetected : kSNVS_TamperNotDetected;
|
|
break;
|
|
case (kSNVS_ExternalTamper4):
|
|
status = (base->LPTDSR & SNVS_LPTDSR_ET4D_MASK) ? kSNVS_TamperDetected : kSNVS_TamperNotDetected;
|
|
break;
|
|
case (kSNVS_ExternalTamper5):
|
|
status = (base->LPTDSR & SNVS_LPTDSR_ET5D_MASK) ? kSNVS_TamperDetected : kSNVS_TamperNotDetected;
|
|
break;
|
|
case (kSNVS_ExternalTamper6):
|
|
status = (base->LPTDSR & SNVS_LPTDSR_ET6D_MASK) ? kSNVS_TamperDetected : kSNVS_TamperNotDetected;
|
|
break;
|
|
case (kSNVS_ExternalTamper7):
|
|
status = (base->LPTDSR & SNVS_LPTDSR_ET7D_MASK) ? kSNVS_TamperDetected : kSNVS_TamperNotDetected;
|
|
break;
|
|
case (kSNVS_ExternalTamper8):
|
|
status = (base->LPTDSR & SNVS_LPTDSR_ET8D_MASK) ? kSNVS_TamperDetected : kSNVS_TamperNotDetected;
|
|
break;
|
|
case (kSNVS_ExternalTamper9):
|
|
status = (base->LPTDSR & SNVS_LPTDSR_ET9D_MASK) ? kSNVS_TamperDetected : kSNVS_TamperNotDetected;
|
|
break;
|
|
case (kSNVS_ExternalTamper10):
|
|
status = (base->LPTDSR & SNVS_LPTDSR_ET10D_MASK) ? kSNVS_TamperDetected : kSNVS_TamperNotDetected;
|
|
break;
|
|
#endif
|
|
default:
|
|
break;
|
|
}
|
|
return status;
|
|
}
|
|
|
|
void SNVS_LP_ClearExternalTamperStatus(SNVS_Type *base, snvs_lp_external_tamper_t pin)
|
|
{
|
|
base->LPSR |= SNVS_LPSR_ET1D_MASK;
|
|
|
|
switch (pin)
|
|
{
|
|
case (kSNVS_ExternalTamper1):
|
|
base->LPSR |= SNVS_LPSR_ET1D_MASK;
|
|
break;
|
|
#if defined(FSL_FEATURE_SNVS_HAS_MULTIPLE_TAMPER) && (FSL_FEATURE_SNVS_HAS_MULTIPLE_TAMPER > 1)
|
|
case (kSNVS_ExternalTamper2):
|
|
base->LPSR |= SNVS_LPSR_ET2D_MASK;
|
|
break;
|
|
case (kSNVS_ExternalTamper3):
|
|
base->LPTDSR |= SNVS_LPTDSR_ET3D_MASK;
|
|
break;
|
|
case (kSNVS_ExternalTamper4):
|
|
base->LPTDSR |= SNVS_LPTDSR_ET4D_MASK;
|
|
break;
|
|
case (kSNVS_ExternalTamper5):
|
|
base->LPTDSR |= SNVS_LPTDSR_ET5D_MASK;
|
|
break;
|
|
case (kSNVS_ExternalTamper6):
|
|
base->LPTDSR |= SNVS_LPTDSR_ET6D_MASK;
|
|
break;
|
|
case (kSNVS_ExternalTamper7):
|
|
base->LPTDSR |= SNVS_LPTDSR_ET7D_MASK;
|
|
break;
|
|
case (kSNVS_ExternalTamper8):
|
|
base->LPTDSR |= SNVS_LPTDSR_ET8D_MASK;
|
|
break;
|
|
case (kSNVS_ExternalTamper9):
|
|
base->LPTDSR |= SNVS_LPTDSR_ET9D_MASK;
|
|
break;
|
|
case (kSNVS_ExternalTamper10):
|
|
base->LPTDSR |= SNVS_LPTDSR_ET10D_MASK;
|
|
break;
|
|
#endif
|
|
default:
|
|
break;
|
|
}
|
|
}
|