From 56e86c626df3dbf74c1021210636a7c5d92a49ce Mon Sep 17 00:00:00 2001 From: Dominik Sliwa Date: Tue, 30 Oct 2018 16:31:29 +0100 Subject: move to cmake Signed-off-by: Dominik Sliwa --- drivers/fsl_rtc.c | 381 ------------------------------------------------------ 1 file changed, 381 deletions(-) delete mode 100644 drivers/fsl_rtc.c (limited to 'drivers/fsl_rtc.c') diff --git a/drivers/fsl_rtc.c b/drivers/fsl_rtc.c deleted file mode 100644 index d68055a..0000000 --- a/drivers/fsl_rtc.c +++ /dev/null @@ -1,381 +0,0 @@ -/* - * Copyright (c) 2015, Freescale Semiconductor, Inc. - * Copyright 2016-2017 NXP - * - * Redistribution and use in source and binary forms, with or without modification, - * are permitted provided that the following conditions are met: - * - * o Redistributions of source code must retain the above copyright notice, this list - * of conditions and the following disclaimer. - * - * o 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. - * - * o Neither the name of the copyright holder 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 HOLDER 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 "fsl_rtc.h" - -/******************************************************************************* - * Definitions - ******************************************************************************/ -#define SECONDS_IN_A_DAY (86400U) -#define SECONDS_IN_A_HOUR (3600U) -#define SECONDS_IN_A_MINUTE (60U) -#define DAYS_IN_A_YEAR (365U) -#define YEAR_RANGE_START (1970U) -#define YEAR_RANGE_END (2099U) - -/******************************************************************************* - * Prototypes - ******************************************************************************/ -/*! - * @brief Checks whether the date and time passed in is valid - * - * @param datetime Pointer to structure where the date and time details are stored - * - * @return Returns false if the date & time details are out of range; true if in range - */ -static bool RTC_CheckDatetimeFormat(const rtc_datetime_t *datetime); - -/*! - * @brief Converts time data from datetime to seconds - * - * @param datetime Pointer to datetime structure where the date and time details are stored - * - * @return The result of the conversion in seconds - */ -static uint32_t RTC_ConvertDatetimeToSeconds(const rtc_datetime_t *datetime); - -/*! - * @brief Converts time data from seconds to a datetime structure - * - * @param seconds Seconds value that needs to be converted to datetime format - * @param datetime Pointer to the datetime structure where the result of the conversion is stored - */ -static void RTC_ConvertSecondsToDatetime(uint32_t seconds, rtc_datetime_t *datetime); - -/******************************************************************************* - * Code - ******************************************************************************/ -static bool RTC_CheckDatetimeFormat(const rtc_datetime_t *datetime) -{ - assert(datetime); - - /* Table of days in a month for a non leap year. First entry in the table is not used, - * valid months start from 1 - */ - uint8_t daysPerMonth[] = {0U, 31U, 28U, 31U, 30U, 31U, 30U, 31U, 31U, 30U, 31U, 30U, 31U}; - - /* Check year, month, hour, minute, seconds */ - if ((datetime->year < YEAR_RANGE_START) || (datetime->year > YEAR_RANGE_END) || (datetime->month > 12U) || - (datetime->month < 1U) || (datetime->hour >= 24U) || (datetime->minute >= 60U) || (datetime->second >= 60U)) - { - /* If not correct then error*/ - return false; - } - - /* Adjust the days in February for a leap year */ - if ((((datetime->year & 3U) == 0) && (datetime->year % 100 != 0)) || (datetime->year % 400 == 0)) - { - daysPerMonth[2] = 29U; - } - - /* Check the validity of the day */ - if ((datetime->day > daysPerMonth[datetime->month]) || (datetime->day < 1U)) - { - return false; - } - - return true; -} - -static uint32_t RTC_ConvertDatetimeToSeconds(const rtc_datetime_t *datetime) -{ - assert(datetime); - - /* Number of days from begin of the non Leap-year*/ - /* Number of days from begin of the non Leap-year*/ - uint16_t monthDays[] = {0U, 0U, 31U, 59U, 90U, 120U, 151U, 181U, 212U, 243U, 273U, 304U, 334U}; - uint32_t seconds; - - /* Compute number of days from 1970 till given year*/ - seconds = (datetime->year - 1970U) * DAYS_IN_A_YEAR; - /* Add leap year days */ - seconds += ((datetime->year / 4) - (1970U / 4)); - /* Add number of days till given month*/ - seconds += monthDays[datetime->month]; - /* Add days in given month. We subtract the current day as it is - * represented in the hours, minutes and seconds field*/ - seconds += (datetime->day - 1); - /* For leap year if month less than or equal to Febraury, decrement day counter*/ - if ((!(datetime->year & 3U)) && (datetime->month <= 2U)) - { - seconds--; - } - - seconds = (seconds * SECONDS_IN_A_DAY) + (datetime->hour * SECONDS_IN_A_HOUR) + - (datetime->minute * SECONDS_IN_A_MINUTE) + datetime->second; - - return seconds; -} - -static void RTC_ConvertSecondsToDatetime(uint32_t seconds, rtc_datetime_t *datetime) -{ - assert(datetime); - - uint32_t x; - uint32_t secondsRemaining, days; - uint16_t daysInYear; - /* Table of days in a month for a non leap year. First entry in the table is not used, - * valid months start from 1 - */ - uint8_t daysPerMonth[] = {0U, 31U, 28U, 31U, 30U, 31U, 30U, 31U, 31U, 30U, 31U, 30U, 31U}; - - /* Start with the seconds value that is passed in to be converted to date time format */ - secondsRemaining = seconds; - - /* Calcuate the number of days, we add 1 for the current day which is represented in the - * hours and seconds field - */ - days = secondsRemaining / SECONDS_IN_A_DAY + 1; - - /* Update seconds left*/ - secondsRemaining = secondsRemaining % SECONDS_IN_A_DAY; - - /* Calculate the datetime hour, minute and second fields */ - datetime->hour = secondsRemaining / SECONDS_IN_A_HOUR; - secondsRemaining = secondsRemaining % SECONDS_IN_A_HOUR; - datetime->minute = secondsRemaining / 60U; - datetime->second = secondsRemaining % SECONDS_IN_A_MINUTE; - - /* Calculate year */ - daysInYear = DAYS_IN_A_YEAR; - datetime->year = YEAR_RANGE_START; - while (days > daysInYear) - { - /* Decrease day count by a year and increment year by 1 */ - days -= daysInYear; - datetime->year++; - - /* Adjust the number of days for a leap year */ - if (datetime->year & 3U) - { - daysInYear = DAYS_IN_A_YEAR; - } - else - { - daysInYear = DAYS_IN_A_YEAR + 1; - } - } - - /* Adjust the days in February for a leap year */ - if (!(datetime->year & 3U)) - { - daysPerMonth[2] = 29U; - } - - for (x = 1U; x <= 12U; x++) - { - if (days <= daysPerMonth[x]) - { - datetime->month = x; - break; - } - else - { - days -= daysPerMonth[x]; - } - } - - datetime->day = days; -} - -void RTC_Init(RTC_Type *base, const rtc_config_t *config) -{ - assert(config); - - uint32_t reg; - -#if !(defined(FSL_SDK_DISABLE_DRIVER_CLOCK_CONTROL) && FSL_SDK_DISABLE_DRIVER_CLOCK_CONTROL) - CLOCK_EnableClock(kCLOCK_Rtc0); -#endif /* FSL_SDK_DISABLE_DRIVER_CLOCK_CONTROL */ - - /* Issue a software reset if timer is invalid */ - if (RTC_GetStatusFlags(RTC) & kRTC_TimeInvalidFlag) - { - RTC_Reset(RTC); - } - - reg = base->CR; - /* Setup the update mode and supervisor access mode */ - reg &= ~(RTC_CR_UM_MASK | RTC_CR_SUP_MASK); - reg |= RTC_CR_UM(config->updateMode) | RTC_CR_SUP(config->supervisorAccess); -#if defined(FSL_FEATURE_RTC_HAS_WAKEUP_PIN_SELECTION) && FSL_FEATURE_RTC_HAS_WAKEUP_PIN_SELECTION - /* Setup the wakeup pin select */ - reg &= ~(RTC_CR_WPS_MASK); - reg |= RTC_CR_WPS(config->wakeupSelect); -#endif /* FSL_FEATURE_RTC_HAS_WAKEUP_PIN */ - base->CR = reg; - - /* Configure the RTC time compensation register */ - base->TCR = (RTC_TCR_CIR(config->compensationInterval) | RTC_TCR_TCR(config->compensationTime)); -} - -void RTC_GetDefaultConfig(rtc_config_t *config) -{ - assert(config); - - /* Wakeup pin will assert if the RTC interrupt asserts or if the wakeup pin is turned on */ - config->wakeupSelect = false; - /* Registers cannot be written when locked */ - config->updateMode = false; - /* Non-supervisor mode write accesses are not supported and will generate a bus error */ - config->supervisorAccess = false; - /* Compensation interval used by the crystal compensation logic */ - config->compensationInterval = 0; - /* Compensation time used by the crystal compensation logic */ - config->compensationTime = 0; -} - -status_t RTC_SetDatetime(RTC_Type *base, const rtc_datetime_t *datetime) -{ - assert(datetime); - - /* Return error if the time provided is not valid */ - if (!(RTC_CheckDatetimeFormat(datetime))) - { - return kStatus_InvalidArgument; - } - - /* Set time in seconds */ - base->TSR = RTC_ConvertDatetimeToSeconds(datetime); - - return kStatus_Success; -} - -void RTC_GetDatetime(RTC_Type *base, rtc_datetime_t *datetime) -{ - assert(datetime); - - uint32_t seconds = 0; - - seconds = base->TSR; - RTC_ConvertSecondsToDatetime(seconds, datetime); -} - -status_t RTC_SetAlarm(RTC_Type *base, const rtc_datetime_t *alarmTime) -{ - assert(alarmTime); - - uint32_t alarmSeconds = 0; - uint32_t currSeconds = 0; - - /* Return error if the alarm time provided is not valid */ - if (!(RTC_CheckDatetimeFormat(alarmTime))) - { - return kStatus_InvalidArgument; - } - - alarmSeconds = RTC_ConvertDatetimeToSeconds(alarmTime); - - /* Get the current time */ - currSeconds = base->TSR; - - /* Return error if the alarm time has passed */ - if (alarmSeconds < currSeconds) - { - return kStatus_Fail; - } - - /* Set alarm in seconds*/ - base->TAR = alarmSeconds; - - return kStatus_Success; -} - -void RTC_GetAlarm(RTC_Type *base, rtc_datetime_t *datetime) -{ - assert(datetime); - - uint32_t alarmSeconds = 0; - - /* Get alarm in seconds */ - alarmSeconds = base->TAR; - - RTC_ConvertSecondsToDatetime(alarmSeconds, datetime); -} - -void RTC_ClearStatusFlags(RTC_Type *base, uint32_t mask) -{ - /* The alarm flag is cleared by writing to the TAR register */ - if (mask & kRTC_AlarmFlag) - { - base->TAR = 0U; - } - - /* The timer overflow flag is cleared by initializing the TSR register. - * The time counter should be disabled for this write to be successful - */ - if (mask & kRTC_TimeOverflowFlag) - { - base->TSR = 1U; - } - - /* The timer overflow flag is cleared by initializing the TSR register. - * The time counter should be disabled for this write to be successful - */ - if (mask & kRTC_TimeInvalidFlag) - { - base->TSR = 1U; - } -} - -#if defined(FSL_FEATURE_RTC_HAS_MONOTONIC) && (FSL_FEATURE_RTC_HAS_MONOTONIC) - -void RTC_GetMonotonicCounter(RTC_Type *base, uint64_t *counter) -{ - assert(counter); - - *counter = (((uint64_t)base->MCHR << 32) | ((uint64_t)base->MCLR)); -} - -void RTC_SetMonotonicCounter(RTC_Type *base, uint64_t counter) -{ - /* Prepare to initialize the register with the new value written */ - base->MER &= ~RTC_MER_MCE_MASK; - - base->MCHR = (uint32_t)((counter) >> 32); - base->MCLR = (uint32_t)(counter); -} - -status_t RTC_IncrementMonotonicCounter(RTC_Type *base) -{ - if (base->SR & (RTC_SR_MOF_MASK | RTC_SR_TIF_MASK)) - { - return kStatus_Fail; - } - - /* Prepare to switch to increment mode */ - base->MER |= RTC_MER_MCE_MASK; - /* Write anything so the counter increments*/ - base->MCLR = 1U; - - return kStatus_Success; -} - -#endif /* FSL_FEATURE_RTC_HAS_MONOTONIC */ -- cgit v1.2.3