339 lines
11 KiB
C
339 lines
11 KiB
C
/*
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* -------------------------------------------
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* MSP432 DriverLib - v3_40_00_10
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* -------------------------------------------
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*
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* --COPYRIGHT--,BSD,BSD
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* Copyright (c) 2016, Texas Instruments Incorporated
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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
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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*
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* * Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* * Neither the name of Texas Instruments Incorporated nor the names of
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* its contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
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* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
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* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
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* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
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* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
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* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
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* EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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* --/COPYRIGHT--*/
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#include <rtc_c.h>
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#include <interrupt.h>
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#include <debug.h>
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void RTC_C_startClock(void)
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{
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RTC_C->CTL0 = (RTC_C->CTL0 & ~RTC_C_CTL0_KEY_MASK) | RTC_C_KEY;
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BITBAND_PERI(RTC_C->CTL13, RTC_C_CTL13_HOLD_OFS) = 0;
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BITBAND_PERI(RTC_C->CTL0, RTC_C_CTL0_KEY_OFS) = 0;
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}
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void RTC_C_holdClock(void)
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{
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RTC_C->CTL0 = (RTC_C->CTL0 & ~RTC_C_CTL0_KEY_MASK) | RTC_C_KEY;
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BITBAND_PERI(RTC_C->CTL13, RTC_C_CTL13_HOLD_OFS) = 1;
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BITBAND_PERI(RTC_C->CTL0, RTC_C_CTL0_KEY_OFS) = 0;
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}
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void RTC_C_setCalibrationFrequency(uint_fast16_t frequencySelect)
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{
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RTC_C->CTL0 = (RTC_C->CTL0 & ~RTC_C_CTL0_KEY_MASK) | RTC_C_KEY;
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RTC_C->CTL13 = (RTC_C->CTL13 & ~(RTC_C_CTL13_CALF_3)) | frequencySelect;
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BITBAND_PERI(RTC_C->CTL0, RTC_C_CTL0_KEY_OFS) = 0;
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}
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void RTC_C_setCalibrationData(uint_fast8_t offsetDirection,
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uint_fast8_t offsetValue)
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{
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RTC_C->CTL0 = (RTC_C->CTL0 & ~RTC_C_CTL0_KEY_MASK) | RTC_C_KEY;
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RTC_C->OCAL = offsetValue + offsetDirection;
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BITBAND_PERI(RTC_C->CTL0, RTC_C_CTL0_KEY_OFS) = 0;
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}
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bool RTC_C_setTemperatureCompensation(uint_fast16_t offsetDirection,
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uint_fast8_t offsetValue)
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{
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while (!BITBAND_PERI(RTC_C->TCMP, RTC_C_TCMP_TCRDY_OFS))
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;
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RTC_C->TCMP = offsetValue + offsetDirection;
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if (BITBAND_PERI(RTC_C->TCMP, RTC_C_TCMP_TCOK_OFS))
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return true;
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else
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return false;
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}
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void RTC_C_initCalendar(const RTC_C_Calendar *calendarTime,
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uint_fast16_t formatSelect)
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{
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RTC_C->CTL0 = (RTC_C->CTL0 & ~RTC_C_CTL0_KEY_MASK) | RTC_C_KEY;
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BITBAND_PERI(RTC_C->CTL13, RTC_C_CTL13_HOLD_OFS) = 1;
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if (formatSelect)
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BITBAND_PERI(RTC_C->CTL13, RTC_C_CTL13_BCD_OFS) = 1;
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else
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BITBAND_PERI(RTC_C->CTL13, RTC_C_CTL13_BCD_OFS) = 0;
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RTC_C->TIM0 = (calendarTime->minutes<<RTC_C_TIM0_MIN_OFS) | calendarTime->seconds;
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RTC_C->TIM1 = (calendarTime->dayOfWeek<<RTC_C_TIM1_DOW_OFS) | calendarTime->hours;
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RTC_C->DATE = (calendarTime->month<<RTC_C_DATE_MON_OFS) | calendarTime->dayOfmonth;
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RTC_C->YEAR = calendarTime->year;
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BITBAND_PERI(RTC_C->CTL0, RTC_C_CTL0_KEY_OFS) = 0;
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}
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RTC_C_Calendar RTC_C_getCalendarTime(void)
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{
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RTC_C_Calendar tempCal;
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while (!(BITBAND_PERI(RTC_C->CTL13, RTC_C_CTL13_RDY_OFS)))
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;
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tempCal.seconds = RTC_C->TIM0 & RTC_C_TIM0_SEC_MASK;
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tempCal.minutes = (RTC_C->TIM0 & RTC_C_TIM0_MIN_MASK)>>RTC_C_TIM0_MIN_OFS;
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tempCal.hours = RTC_C->TIM1 & RTC_C_TIM1_HOUR_MASK;
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tempCal.dayOfWeek = (RTC_C->TIM1 & RTC_C_TIM1_DOW_MASK)>>RTC_C_TIM1_DOW_OFS;
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tempCal.dayOfmonth = RTC_C->DATE & RTC_C_DATE_DAY_MASK;
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tempCal.month = (RTC_C->DATE & RTC_C_DATE_MON_MASK)>>RTC_C_DATE_MON_OFS;
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tempCal.year = RTC_C->YEAR;
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return (tempCal);
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}
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void RTC_C_setCalendarAlarm(uint_fast8_t minutesAlarm, uint_fast8_t hoursAlarm,
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uint_fast8_t dayOfWeekAlarm, uint_fast8_t dayOfmonthAlarm)
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{
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//Each of these is XORed with 0x80 to turn on if an integer is passed,
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//or turn OFF if RTC_ALARM_OFF (0x80) is passed.
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RTC_C->AMINHR = ((hoursAlarm ^ 0x80) << 8 )| (minutesAlarm ^ 0x80);
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RTC_C->ADOWDAY = ((dayOfmonthAlarm ^ 0x80) << 8 )| (dayOfWeekAlarm ^ 0x80);
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}
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void RTC_C_setCalendarEvent(uint_fast16_t eventSelect)
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{
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RTC_C->CTL0 = (RTC_C->CTL0 & ~RTC_C_CTL0_KEY_MASK) | RTC_C_KEY;
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RTC_C->CTL13 = (RTC_C->CTL13 & ~(RTC_C_CTL13_TEV_3)) | eventSelect;
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BITBAND_PERI(RTC_C->CTL0, RTC_C_CTL0_KEY_OFS) = 0;
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}
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void RTC_C_definePrescaleEvent(uint_fast8_t prescaleSelect,
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uint_fast8_t prescaleEventDivider)
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{
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HWREG8(&RTC_C->PS0CTL + prescaleSelect) &= ~(RTC_C_PS0CTL_RT0IP_7);
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HWREG8(&RTC_C->PS0CTL + prescaleSelect) |=
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prescaleEventDivider;
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}
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uint_fast8_t RTC_C_getPrescaleValue(uint_fast8_t prescaleSelect)
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{
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if (RTC_C_PRESCALE_0 == prescaleSelect)
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{
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return (RTC_C->PS & RTC_C_PS_RT0PS_MASK);
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} else if (RTC_C_PRESCALE_1 == prescaleSelect)
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{
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return (RTC_C->PS & RTC_C_PS_RT1PS_MASK)>>RTC_C_PS_RT1PS_OFS;
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} else
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{
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return (0);
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}
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}
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void RTC_C_setPrescaleValue(uint_fast8_t prescaleSelect,
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uint_fast8_t prescaleCounterValue)
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{
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RTC_C->CTL0 = (RTC_C->CTL0 & ~RTC_C_CTL0_KEY_MASK) | RTC_C_KEY;
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if (RTC_C_PRESCALE_0 == prescaleSelect)
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{
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RTC_C->PS = (RTC_C->PS & ~RTC_C_PS_RT0PS_MASK) | prescaleCounterValue;
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} else if (RTC_C_PRESCALE_1 == prescaleSelect)
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{
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RTC_C->PS = (RTC_C->PS & ~RTC_C_PS_RT1PS_MASK)
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| (prescaleCounterValue << RTC_C_PS_RT1PS_OFS);
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}
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BITBAND_PERI(RTC_C->CTL0, RTC_C_CTL0_KEY_OFS) = 0;
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}
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uint16_t RTC_C_convertBCDToBinary(uint16_t valueToConvert)
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{
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RTC_C->BCD2BIN = valueToConvert;
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return (RTC_C->BCD2BIN);
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}
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uint16_t RTC_C_convertBinaryToBCD(uint16_t valueToConvert)
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{
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RTC_C->BIN2BCD = valueToConvert;
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return (RTC_C->BIN2BCD);
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}
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void RTC_C_enableInterrupt(uint8_t interruptMask)
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{
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if (interruptMask & (RTC_C_CTL0_OFIE + RTC_C_CTL0_TEVIE + RTC_C_CTL0_AIE
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+ RTC_C_CTL0_RDYIE))
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{
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RTC_C->CTL0 = RTC_C_KEY | (interruptMask
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& (RTC_C_CTL0_OFIE + RTC_C_CTL0_TEVIE + RTC_C_CTL0_AIE
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+ RTC_C_CTL0_RDYIE));
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BITBAND_PERI(RTC_C->CTL0, RTC_C_CTL0_KEY_OFS) = 0;
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}
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if (interruptMask & RTC_C_PRESCALE_TIMER0_INTERRUPT)
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{
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BITBAND_PERI(RTC_C->PS0CTL, RTC_C_PS0CTL_RT0PSIE_OFS) = 1;
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}
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if (interruptMask & RTC_C_PRESCALE_TIMER1_INTERRUPT)
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{
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BITBAND_PERI(RTC_C->PS1CTL,RTC_C_PS1CTL_RT1PSIE_OFS) = 1;
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}
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}
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void RTC_C_disableInterrupt(uint8_t interruptMask)
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{
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if (interruptMask & (RTC_C_CTL0_OFIE + RTC_C_CTL0_TEVIE + RTC_C_CTL0_AIE
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+ RTC_C_CTL0_RDYIE))
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{
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RTC_C->CTL0 = RTC_C_KEY
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| (RTC_C->CTL0 & ~((interruptMask | RTC_C_CTL0_KEY_MASK)
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& (RTC_C_CTL0_OFIE + RTC_C_CTL0_TEVIE + RTC_C_CTL0_AIE
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+ RTC_C_CTL0_RDYIE)));
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BITBAND_PERI(RTC_C->CTL0, RTC_C_CTL0_KEY_OFS) = 0;
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}
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if (interruptMask & RTC_C_PRESCALE_TIMER0_INTERRUPT)
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{
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BITBAND_PERI(RTC_C->PS0CTL, RTC_C_PS0CTL_RT0PSIE_OFS) = 0;
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}
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if (interruptMask & RTC_C_PRESCALE_TIMER1_INTERRUPT)
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{
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BITBAND_PERI(RTC_C->PS1CTL, RTC_C_PS1CTL_RT1PSIE_OFS) = 0;
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}
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}
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uint_fast8_t RTC_C_getInterruptStatus(void)
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{
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uint_fast8_t tempInterruptFlagMask = 0x00;
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uint_fast8_t interruptFlagMask = RTC_C_TIME_EVENT_INTERRUPT
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| RTC_C_CLOCK_ALARM_INTERRUPT | RTC_C_CLOCK_READ_READY_INTERRUPT
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| RTC_C_PRESCALE_TIMER0_INTERRUPT | RTC_C_PRESCALE_TIMER1_INTERRUPT
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| RTC_C_OSCILLATOR_FAULT_INTERRUPT;
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tempInterruptFlagMask |= (RTC_C->CTL0 & (interruptFlagMask >> 4));
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tempInterruptFlagMask = tempInterruptFlagMask << 4;
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if (interruptFlagMask & RTC_C_PRESCALE_TIMER0_INTERRUPT)
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{
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if (BITBAND_PERI(RTC_C->PS0CTL, RTC_C_PS0CTL_RT0PSIFG_OFS))
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{
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tempInterruptFlagMask |= RTC_C_PRESCALE_TIMER0_INTERRUPT;
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}
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}
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if (interruptFlagMask & RTC_C_PRESCALE_TIMER1_INTERRUPT)
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{
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if (BITBAND_PERI(RTC_C->PS1CTL, RTC_C_PS1CTL_RT1PSIFG_OFS))
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{
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tempInterruptFlagMask |= RTC_C_PRESCALE_TIMER1_INTERRUPT;
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}
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}
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return (tempInterruptFlagMask);
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}
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uint_fast8_t RTC_C_getEnabledInterruptStatus(void)
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{
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uint32_t intStatus = RTC_C_getInterruptStatus();
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if (!BITBAND_PERI(RTC_C->CTL0, RTC_C_CTL0_OFIE_OFS))
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{
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intStatus &= ~RTC_C_OSCILLATOR_FAULT_INTERRUPT;
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}
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if (!BITBAND_PERI(RTC_C->CTL0, RTC_C_CTL0_TEVIE_OFS))
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{
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intStatus &= ~RTC_C_TIME_EVENT_INTERRUPT;
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}
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if (!BITBAND_PERI(RTC_C->CTL0, RTC_C_CTL0_AIE_OFS))
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{
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intStatus &= ~RTC_C_CLOCK_ALARM_INTERRUPT;
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}
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if (!BITBAND_PERI(RTC_C->CTL0, RTC_C_CTL0_RDYIE_OFS))
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{
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intStatus &= ~RTC_C_CLOCK_READ_READY_INTERRUPT;
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}
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if (!BITBAND_PERI(RTC_C->PS0CTL, RTC_C_PS0CTL_RT0PSIE_OFS))
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{
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intStatus &= ~RTC_C_PRESCALE_TIMER0_INTERRUPT;
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}
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if (!BITBAND_PERI(RTC_C->PS1CTL, RTC_C_PS1CTL_RT1PSIE_OFS))
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{
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intStatus &= ~RTC_C_PRESCALE_TIMER1_INTERRUPT;
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}
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return intStatus;
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}
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void RTC_C_clearInterruptFlag(uint_fast8_t interruptFlagMask)
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{
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if (interruptFlagMask
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& (RTC_C_TIME_EVENT_INTERRUPT + RTC_C_CLOCK_ALARM_INTERRUPT
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+ RTC_C_CLOCK_READ_READY_INTERRUPT
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+ RTC_C_OSCILLATOR_FAULT_INTERRUPT))
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{
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RTC_C->CTL0 = RTC_C_KEY
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| (RTC_C->CTL0 & ~((interruptFlagMask >> 4) | RTC_C_CTL0_KEY_MASK));
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BITBAND_PERI(RTC_C->CTL0, RTC_C_CTL0_KEY_OFS) = 0;
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}
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if (interruptFlagMask & RTC_C_PRESCALE_TIMER0_INTERRUPT)
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{
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BITBAND_PERI(RTC_C->PS0CTL, RTC_C_PS0CTL_RT0PSIFG_OFS) = 0;
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}
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if (interruptFlagMask & RTC_C_PRESCALE_TIMER1_INTERRUPT)
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{
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BITBAND_PERI(RTC_C->PS1CTL, RTC_C_PS1CTL_RT1PSIFG_OFS) = 0;
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}
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}
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void RTC_C_registerInterrupt(void (*intHandler)(void))
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{
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Interrupt_registerInterrupt(INT_RTC_C, intHandler);
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Interrupt_enableInterrupt(INT_RTC_C);
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}
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void RTC_C_unregisterInterrupt(void)
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{
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Interrupt_disableInterrupt(INT_RTC_C);
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Interrupt_unregisterInterrupt(INT_RTC_C);
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}
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