273 lines
6.9 KiB
C
273 lines
6.9 KiB
C
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/*
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******************************************************************************
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* @file driver_pmu_rtc.c
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* @author FreqChip Firmware Team
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* @version V1.0.0
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* @date 2023
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* @brief rtc module driver.
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* This file provides firmware functions to manage the
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* Real Time Clock (RTC) peripheral
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******************************************************************************
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* @attention
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*
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* Copyright (c) 2023 FreqChip.
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* All rights reserved.
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******************************************************************************
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*/
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#include "fr30xx.h"
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static str_Time_t AlarmTime_A;
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static str_Time_t AlarmTime_B;
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/*********************************************************************
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* @fn rtc_AlarmA_Handler
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*
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* @brief Alarm interrupt handler
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*/
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__WEAK void rtc_AlarmA_Handler(void)
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{
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/* Update according to the periodic period in the rtc_AlarmConfig function. */
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rtc_AlarmUpdate(AlARM_A);
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}
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/*********************************************************************
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* @fn rtc_AlarmB_Handler
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*
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* @brief Alarm interrupt handler
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*/
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__WEAK void rtc_AlarmB_Handler(void)
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{
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/* Update according to the periodic period in the rtc_AlarmConfig function. */
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rtc_AlarmUpdate(AlARM_B);
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}
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/*********************************************************************
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* @fn rtc_init
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*
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* @brief rtc init
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*
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* @param InitValue: RTC init value.
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*/
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void rtc_init(uint32_t InitValue)
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{
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/* RTC clock enable */
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ool_write(PMU_REG_CLK_EN, ool_read(PMU_REG_CLK_EN) | PMU_RTC_CLK_EN_BIT);
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/* config init value */
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ool_write32(PMU_REG_RTC_COUNTER_0, InitValue);
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/* load init into cnt register */
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ool_write(PMU_REG_RTC_CTRL, ool_read(PMU_REG_RTC_CTRL) | PMU_RTC_UPD_EN_BIT);
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AlarmTime_A.UnitBackup = 0;
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AlarmTime_B.UnitBackup = 0;
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}
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/*********************************************************************
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* @fn rtc_CountEnable
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*
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* @brief RTC count enable
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*/
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void rtc_CountEnable(void)
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{
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ool_write(PMU_REG_CLK_EN, ool_read(PMU_REG_CLK_EN) | PMU_RTC_CLK_EN_BIT);
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}
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/*********************************************************************
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* @fn rtc_CountDisable
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*
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* @brief RTC count disable
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*/
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void rtc_CountDisable(void)
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{
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ool_write(PMU_REG_CLK_EN, ool_read(PMU_REG_CLK_EN) & ~PMU_RTC_CLK_EN_BIT);
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}
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/*********************************************************************
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* @fn rtc_AlarmConfig
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*
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* @brief rtc alarm config
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*
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* @param fe_Alarm: alarm select.
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* @param lu8_hour: hour
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* @param lu8_Minute: minute
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* @param lu8_Second: second
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*/
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void rtc_AlarmConfig(enum_Alarm_t fe_Alarm, uint32_t fu32_hour, uint32_t fu32_Minute, uint32_t fu32_Second)
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{
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uint32_t lu32_Second;
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lu32_Second = fu32_hour * 3600;
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lu32_Second += fu32_Minute * 60;
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lu32_Second += fu32_Second;
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switch (fe_Alarm)
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{
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case AlARM_A:
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{
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/* Timing unit backup */
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AlarmTime_A.UnitBackup = lu32_Second;
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/* Convert to count value */
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lu32_Second *= pmu_lp_rc_get();
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lu32_Second += rtc_GetCount();
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rtc_AlarmSet(AlARM_A, lu32_Second);
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rtc_AlarmEnable(AlARM_A);
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pmu_enable_isr(PMU_RTC_A_INT_MSK_BIT);
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}break;
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case AlARM_B:
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{
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/* Timing backup */
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AlarmTime_B.UnitBackup = lu32_Second;
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/* Convert to count value */
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lu32_Second *= pmu_lp_rc_get();
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lu32_Second += rtc_GetCount();
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rtc_AlarmSet(AlARM_B, lu32_Second);
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rtc_AlarmEnable(AlARM_B);
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pmu_enable_isr(PMU_RTC_B_INT_MSK_BIT);
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}break;
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default: break;
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}
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}
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/*********************************************************************
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* @fn rtc_GetCount
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*
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* @brief Get rtc current counter value
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*
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* @param None.
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* @return lu32_CountValue: rtc current counter value.
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*/
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uint32_t rtc_GetCount(void)
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{
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uint32_t lu32_CountValue;
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/* get current RTC counter */
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ool_write(PMU_REG_RTC_CTRL, ool_read(PMU_REG_RTC_CTRL) | PMU_RTC_SAMPLE_BIT);
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while ( ool_read(PMU_REG_RTC_CTRL) & PMU_RTC_SAMPLE_BIT);
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lu32_CountValue = ool_read32(PMU_REG_RTC_COUNTER_0);
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return lu32_CountValue;
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}
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/*********************************************************************
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* @fn rtc_CountUpdate
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*
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* @brief Update RTC counter
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*
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* @param fu32_CountValue: update value.
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* @return None.
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*/
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void rtc_CountUpdate(uint32_t fu32_CountValue)
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{
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/* config init value */
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ool_write32(PMU_REG_RTC_COUNTER_0, fu32_CountValue);
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/* load init into cnt register */
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ool_write(PMU_REG_RTC_CTRL, ool_read(PMU_REG_RTC_CTRL) | PMU_RTC_UPD_EN_BIT);
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}
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/*********************************************************************
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* @fn rtc_AlarmUpdate
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*
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* @brief rtc alarm Update.
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* Update according to the periodic period in the rtc_AlarmConfig function.
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*
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* @param fe_Alarm: alarm select.
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*/
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void rtc_AlarmUpdate(enum_Alarm_t fe_Alarm)
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{
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uint32_t lu32_AddValue;
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uint32_t lu32_AlarmValue;
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/* Convert to count value */
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if (fe_Alarm == AlARM_A)
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lu32_AddValue = AlarmTime_A.UnitBackup * pmu_lp_rc_get();
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else
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lu32_AddValue = AlarmTime_B.UnitBackup * pmu_lp_rc_get();
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lu32_AlarmValue = rtc_AlarmRead(fe_Alarm);
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lu32_AlarmValue += lu32_AddValue;
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rtc_AlarmSet(fe_Alarm, lu32_AlarmValue);
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}
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/*********************************************************************
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* @fn rtc_AlarmEnable
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*
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* @brief Alarm Enable
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*/
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void rtc_AlarmEnable(enum_Alarm_t fe_Alarm)
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{
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ool_write(PMU_REG_RTC_CTRL, ool_read(PMU_REG_RTC_CTRL) | fe_Alarm);
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}
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/*********************************************************************
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* @fn rtc_ALarmDisable
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*
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* @brief Alarm Disable
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*/
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void rtc_AlarmDisable(enum_Alarm_t fe_Alarm)
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{
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ool_write(PMU_REG_RTC_CTRL, ool_read(PMU_REG_RTC_CTRL) & ~fe_Alarm);
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}
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/*********************************************************************
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* @fn rtc_AlarmRead
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*
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* @brief read rtc alarm config value
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*
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* @return lu32_ConfigValue: alarm config value.
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*/
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uint32_t rtc_AlarmRead(enum_Alarm_t fe_Alarm)
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{
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uint32_t fu32_AlarmValue;
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switch (fe_Alarm)
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{
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case AlARM_A:
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{
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fu32_AlarmValue = ool_read32(PMU_REG_ALARM_A_COUNTER_0);
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}break;
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case AlARM_B:
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{
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fu32_AlarmValue = ool_read32(PMU_REG_ALARM_B_COUNTER_0);
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}break;
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default: break;
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}
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return fu32_AlarmValue;
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}
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/*********************************************************************
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* @fn rtc_AlarmSet
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*
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* @brief Set rtc alarm config value
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*
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* @param fu32_AlarmValue: alarm config value.
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*/
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void rtc_AlarmSet(enum_Alarm_t fe_Alarm, uint32_t fu32_AlarmValue)
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{
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switch (fe_Alarm)
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{
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case AlARM_A:
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{
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ool_write32(PMU_REG_ALARM_A_COUNTER_0, fu32_AlarmValue);
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}break;
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case AlARM_B:
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{
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ool_write32(PMU_REG_ALARM_B_COUNTER_0, fu32_AlarmValue);
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}break;
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}
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}
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