FR8008GP-U RTC例程有没有？
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FR8008GP-U RTC例程有没有？
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RTC.c驱动部分
/* ****************************************************************************** * @file driver_rtc.c * @author FreqChip Firmware Team * @version V1.0.0 * @date 2021 * @brief rtc module driver. * This file provides firmware functions to manage the * Real Time Clock (RTC) peripheral ****************************************************************************** * @attention * * Copyright (c) 2021 FreqChip. * All rights reserved. ****************************************************************************** */ #include "driver_rtc.h" str_Time_t AlarmTime_A; str_Time_t AlarmTime_B; /********************************************************************* * @fn rtc_GetCount * * @brief Get rtc current counter value * * @param None. * @return None. */ void rtc_init(void) { uint8_t lu8_TempValue; /* RTC clock enable */ lu8_TempValue = ool_read(PMU_REG_CLK_EN); ool_write(PMU_REG_CLK_EN, lu8_TempValue | PMU_RTC_CLK_EN); /* RTC Reset disable */ lu8_TempValue = ool_read(PMU_REG_RST_CTRL); ool_write(PMU_REG_RST_CTRL, lu8_TempValue & ~PMU_RTC_SFT_RST); } /********************************************************************* * @fn rtc_AlarmConfig * * @brief rtc alarm config * * @param fe_Alarm: alarm select. lu8_hour: hour lu8_Minute: minute lu8_Second: second * @return None. */ void rtc_AlarmConfig(e_alarm_t fe_Alarm, uint32_t fu32_hour, uint32_t fu32_Minute, uint32_t fu32_Second) { uint32_t lu32_Second; lu32_Second = fu32_hour * 3600; lu32_Second += fu32_Minute * 60; lu32_Second += fu32_Second; switch (fe_Alarm) { case AlARM_A: { /* Timing backup */ if (AlarmTime_A.FirstBackup == 0) AlarmTime_A.FirstBackup = lu32_Second; AlarmTime_A.CycleBackup = lu32_Second; /* Convert to count value */ lu32_Second *= pmu_get_rc_clk(false); lu32_Second += rtc_GetCount(); pmu_enable_isr(PMU_RTC_ALMA_INT_EN); ool_pd_write32(PMU_REG_PD_RTC_ALARMA_CNT_0, lu32_Second); rtc_AlarmEnable(AlARM_A); }break; case AlARM_B: { /* Timing backup */ if (AlarmTime_B.FirstBackup == 0) AlarmTime_B.FirstBackup = lu32_Second; AlarmTime_B.CycleBackup = lu32_Second; /* Convert to count value */ lu32_Second *= pmu_get_rc_clk(false); lu32_Second += rtc_GetCount(); pmu_enable_isr(PMU_RTC_ALMB_INT_EN); ool_pd_write32(PMU_REG_PD_RTC_ALARMB_CNT_0, lu32_Second); rtc_AlarmEnable(AlARM_B); }break; default: break; } } /********************************************************************* * @fn rtc_GetCount * * @brief Get rtc current counter value * * @param None. * @return lu32_CountValue: rtc current counter value. */ uint32_t rtc_GetCount(void) { uint32_t lu32_CountValue; lu32_CountValue = ool_pd_read32(PMU_REG_PD_RTC_UPD_CNT_0); return lu32_CountValue; } /********************************************************************* * @fn rtc_CountUpdate * * @brief Update RTC counter * * @param fu32_Count: update value. * @return None. */ void rtc_CountUpdate(uint32_t fu32_Count) { uint8_t lu8_TempValue; ool_pd_write32(PMU_REG_PD_RTC_ALARMA_CNT_0, fu32_Count); lu8_TempValue = ool_pd_read(PMU_REG_PD_RTC_CTRL); ool_pd_write(PMU_REG_PD_RTC_CTRL, lu8_TempValue | PMU_RTC_UPD_EN); ool_pd_write(PMU_REG_PD_RTC_CTRL, lu8_TempValue & ~PMU_RTC_UPD_EN); AlarmTime_A.FirstBackup = 0; AlarmTime_B.FirstBackup = 0; } /********************************************************************* * @fn rtc_AlarmUpdate * * @brief rtc alarm Update. * Update according to the periodic period in the rtc_AlarmConfig function. * * @param fe_Alarm: alarm select. */ void rtc_AlarmUpdate(e_alarm_t fe_Alarm) { uint32_t lu32_AddValue; uint32_t lu32_AlarmValue; /* Convert to count value */ if (fe_Alarm == AlARM_A) lu32_AddValue = AlarmTime_A.FirstBackup * pmu_get_rc_clk(false); else lu32_AddValue = AlarmTime_B.FirstBackup * pmu_get_rc_clk(false); lu32_AlarmValue = rtc_AlarmRead(fe_Alarm); lu32_AlarmValue += lu32_AddValue; rtc_AlarmSet(fe_Alarm, lu32_AlarmValue); } /********************************************************************* * @fn rtc_ClockEnable * * @brief RTC clock enable */ void rtc_ClockEnable(void) { uint8_t lu8_TempValue; /* RTC clock enable */ lu8_TempValue = ool_read(PMU_REG_CLK_EN); ool_write(PMU_REG_CLK_EN, lu8_TempValue | PMU_RTC_CLK_EN); } /********************************************************************* * @fn rtc_ClockDisable * * @brief RTC clock disable */ void rtc_ClockDisable(void) { uint8_t lu8_TempValue; /* RTC clock enable */ lu8_TempValue = ool_read(PMU_REG_CLK_EN); ool_write(PMU_REG_CLK_EN, lu8_TempValue & ~PMU_RTC_CLK_EN); } /********************************************************************* * @fn rtc_ResetEnable * * @brief RTC reset enable */ void rtc_ResetEnable(void) { uint8_t lu8_TempValue; /* RTC Reset disable */ lu8_TempValue = ool_read(PMU_REG_RST_CTRL); ool_write(PMU_REG_RST_CTRL, lu8_TempValue | PMU_RTC_SFT_RST); } /********************************************************************* * @fn rtc_ResetDisable * * @brief RTC reset disable */ void rtc_ResetDisable(void) { uint8_t lu8_TempValue; /* RTC Reset disable */ lu8_TempValue = ool_read(PMU_REG_RST_CTRL); ool_write(PMU_REG_RST_CTRL, lu8_TempValue & ~PMU_RTC_SFT_RST); } /********************************************************************* * @fn rtc_AlarmEnable * * @brief Alarm Enable */ void rtc_AlarmEnable(e_alarm_t fe_Alarm) { uint8_t lu8_TempValue; /* RTC Alarm Enable */ lu8_TempValue = ool_pd_read(PMU_REG_PD_RTC_CTRL); ool_pd_write(PMU_REG_PD_RTC_CTRL, lu8_TempValue | fe_Alarm); } /********************************************************************* * @fn rtc_ALarmDisable * * @brief Alarm Disable */ void rtc_AlarmDisable(e_alarm_t fe_Alarm) { uint8_t lu8_TempValue; /* RTC Alarm Disable */ lu8_TempValue = ool_pd_read(PMU_REG_PD_RTC_CTRL); ool_pd_write(PMU_REG_PD_RTC_CTRL, lu8_TempValue & ~fe_Alarm); } /********************************************************************* * @fn rtc_AlarmRead * * @brief read rtc alarm config value * * @param None. * @return lu32_ConfigValue: alarm config value. */ uint32_t rtc_AlarmRead(e_alarm_t fe_Alarm) { uint32_t lu32_ConfigValue; switch (fe_Alarm) { case AlARM_A: { lu32_ConfigValue = ool_pd_read32(PMU_REG_PD_RTC_ALARMA_CNT_0); }break; case AlARM_B: { lu32_ConfigValue = ool_pd_read32(PMU_REG_PD_RTC_ALARMB_CNT_0); }break; default: break; } return lu32_ConfigValue; } /********************************************************************* * @fn rtc_AlarmSet * * @brief Set rtc alarm config value * * @param None. * @return lu32_ConfigValue: alarm config value. */ void rtc_AlarmSet(e_alarm_t fe_Alarm, uint32_t fu32_ConfigValue) { switch (fe_Alarm) { case AlARM_A: { ool_pd_write32(PMU_REG_PD_RTC_ALARMA_CNT_0, fu32_ConfigValue); }break; case AlARM_B: { ool_pd_write32(PMU_REG_PD_RTC_ALARMB_CNT_0, fu32_ConfigValue); }break; } } /********************************************************************* * @fn rtc_AlarmHandler * * @brief Alarm interrupt handler */ __attribute__((section("ram_code"))) void rtc_AlarmHandler(void) { if (pmu_get_isr_state() & PMU_RTC_ALMA_INT_STATUS) { pmu_clear_isr_state(PMU_RTC_ALMA_INT_CLR); /* Update according to the periodic period in the rtc_AlarmConfig function. */ rtc_AlarmUpdate(AlARM_A); } else if (pmu_get_isr_state() & PMU_RTC_ALMB_INT_STATUS) { pmu_clear_isr_state(PMU_RTC_ALMB_INT_CLR); /* Update according to the periodic period in the rtc_AlarmConfig function. */ rtc_AlarmUpdate(AlARM_B); } }