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authorDominik Sliwa <dominik.sliwa@toradex.com>2018-10-30 16:31:29 +0100
committerDominik Sliwa <dominik.sliwa@toradex.com>2018-10-31 11:54:38 +0100
commit56e86c626df3dbf74c1021210636a7c5d92a49ce (patch)
tree54ba9581ad14d838d8926e4e6d673befad1f932c /drivers/fsl_rtc.c
parent4dfc5493fec8f6290457446b0478695b153da60a (diff)
Signed-off-by: Dominik Sliwa <dominik.sliwa@toradex.com>
Diffstat (limited to 'drivers/fsl_rtc.c')
-rw-r--r--drivers/fsl_rtc.c381
1 files changed, 0 insertions, 381 deletions
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 */