/* * Copyright : (C) 2022 Phytium Information Technology, Inc. * All Rights Reserved. * * This program is OPEN SOURCE software: you can redistribute it and/or modify it * under the terms of the Phytium Public License as published by the Phytium Technology Co.,Ltd, * either version 1.0 of the License, or (at your option) any later version. * * This program is distributed in the hope that it will be useful,but WITHOUT ANY WARRANTY; * without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. * See the Phytium Public License for more details. * * * FilePath: frtc.c * Date: 2022-02-10 14:53:42 * LastEditTime: 2022-02-18 09:02:33 * Description:  This files is for * * Modify History: * Ver   Who        Date         Changes * ----- ------     --------    -------------------------------------- * 1.0 Wangxiaodong 2021/11/5 init */ #include #include "fgeneric_timer.h" #include "ftypes.h" #include "fassert.h" #include "fdebug.h" #include "fsleep.h" #include "frtc.h" #include "frtc_hw.h" #define FRTC_DEBUG_TAG "RTC" #define FRTC_ERROR(format, ...) FT_DEBUG_PRINT_E(FRTC_DEBUG_TAG, format, ##__VA_ARGS__) #define FRTC_INFO(format, ...) FT_DEBUG_PRINT_I(FRTC_DEBUG_TAG, format, ##__VA_ARGS__) #define FRTC_DEBUG(format, ...) FT_DEBUG_PRINT_D(FRTC_DEBUG_TAG, format, ##__VA_ARGS__) #define FRTC_IS_LEAP_YEAR(year) ((((year) % 4 == 0 ) && ((year) %100 != 0))||( (year) % 400 == 0)) /** * @name: FRtcCheckDateTime * @msg: check if the date year, month, day, hour, ... is valid * @return {u32} whether the date is valid * @param {FRtcDate} *date, pointer to a FRtcDate structure that contains year, month and day */ static FError FRtcCheckDateTime(const FRtcDateTime *date_time) { FASSERT(date_time != NULL); u8 w_hour = date_time->hour; u8 w_minute = date_time->minute; u8 w_second = date_time->second; u8 w_year = date_time->year; u8 w_month = date_time->month; u8 w_day = date_time->mday; u8 days_of_month[12] = {31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31}; /* 月份天数表 */ /* 闰年2月+1天 */ if ((w_month == 2) && (FRTC_IS_LEAP_YEAR(w_year))) days_of_month[w_month - 1] += 1; /* 判断月份日期是否合法 */ if ((w_month > 12) || (w_month < 1) || (w_day > days_of_month[w_month - 1]) || (w_day < 1)) { FRTC_ERROR("invalid input date: month: %d, day: %d", w_month, w_day); return FRTC_ERR_DATE_INVALID; } /* 判断时分秒是否合法 */ if ((w_hour > 23) || (w_minute > 59) || (w_second > 59)) { FRTC_ERROR("invalid input time: hour: %d, minute: %d, second: %d", w_hour, w_minute, w_second); return FRTC_ERR_TIME_INVALID; } return FRTC_SUCCESS; } /** * @name: FRtcSetDateTime * @msg: Set current time in FRtcDateTime * @return {u32} whether the time setting is successful * @param {FRtcCtrl} *pctrl, pointer to a FRtcCtrl structure that contains * the configuration information for the specified rtc module. * @param {FRtcDate} *date, pointer to a FRtcDate structure that contains year, month and day * @param {FRtcTime} *time, pointer to a FRtcTime structure that contains hour, minute and second */ FError FRtcSetDateTime(FRtcCtrl *pctrl, const FRtcDateTime *date_time) { FASSERT(pctrl != NULL); FASSERT(date_time != NULL); uintptr base_addr = pctrl->config.control_base_addr; struct tm tm; time_t t; u32 ret = 0; ret = FRtcCheckDateTime(date_time); if (ret != FRTC_SUCCESS) { return ret; } tm.tm_sec = date_time->second; tm.tm_min = date_time->minute; tm.tm_hour = date_time->hour; /* tm->tm_wday */ tm.tm_mday = date_time->mday; tm.tm_mon = (date_time->month - 1); tm.tm_year = (date_time->year - 1900); t = mktime(&tm); FRTC_WRITE_AES_SEL(base_addr, FRTC_AES_SEL_COUNTER); /* write low 32 bit first */ FRTC_WRITE_CLR_LOW(base_addr, 0); /* write low 32 bit next */ FRTC_WRITE_CLR(base_addr, t); return FT_SUCCESS; } /** * @name: FRtcGetDateTime * @msg: Get current time in FRtcDateTime * @return {*} * @param {FRtcCtrl} *pctrl * @param {FRtcDateTime} *date_time */ FError FRtcGetDateTime(FRtcCtrl *pctrl, FRtcDateTime *date_time) { FASSERT(pctrl != NULL); FASSERT(date_time != NULL); time_t seconds = 0; struct tm *time_p; FRtcReadTimeStamp(pctrl, &seconds, NULL); time_p = localtime(&seconds); date_time->year = time_p->tm_year + 1900; date_time->month = time_p->tm_mon + 1; date_time->mday = time_p->tm_mday; date_time->hour = time_p->tm_hour; date_time->minute = time_p->tm_min; date_time->second = time_p->tm_sec; return FRTC_SUCCESS; } /** * @name: FRtcReadTimeStamp * @msg: Read time stamp in seconds and milliseconds * @return {*} none * @param {FRtcCtrl} *pctrl * @param {time_t} *sec_p * @param {time_t} *msec_p */ void FRtcReadTimeStamp(FRtcCtrl *pctrl, time_t *sec_p, time_t *msec_p) { FASSERT(pctrl != NULL); time_t sec = 0; u32 msec = 0; u32 tick = 0; uintptr base_addr = pctrl->config.control_base_addr; /* tick = 1/32.768k = 0.03ms = 30us, delay more than 4 ticks */ fsleep_microsec(FRTC_COUNTER_DELAY); /* write AES_SEL register, to read CCVR and CDR register */ FRTC_WRITE_AES_SEL(base_addr, FRTC_AES_SEL_COUNTER); /* tick = 1/32.768k = 0.03ms = 30us, delay more than 4 ticks */ fsleep_microsec(FRTC_COUNTER_DELAY); /* read high 32 bit first */ sec = FRTC_READ_CCVR(base_addr); /* read low 32 bit next, The lower 15 bits are valid */ tick = (FRTC_READ_CDR_LOW(base_addr) & FRTC_COUNTER_LB_MASK); /* convert 15 bits tick to milliseconds, count by 32.768k */ msec = ((tick * 1000) >> FRTC_COUNTER_HB_OFFSET); if (sec_p) *sec_p = sec; if (msec_p) *msec_p = msec; return; } /** * @name: FRtcCfgInitialize * @msg: Initialize RTC ctrl * @return {*} * @param {FRtcCtrl} *instance_p * @param {FRtcConfig} *input_config_p */ FError FRtcCfgInitialize(FRtcCtrl *instance_p, const FRtcConfig *input_config_p) { FASSERT(instance_p && input_config_p); uintptr base_addr = instance_p->config.control_base_addr; instance_p->config = *input_config_p; instance_p->is_ready = FT_COMPONENT_IS_READY; return FRTC_SUCCESS; } /** * @name: FRtcCfgDeInitialize * @msg: DeInitialization function for the device instance * @param {FRtcCtrl} *instance_p FRTC驱动控制数据 * @return {*} */ void FRtcCfgDeInitialize(FRtcCtrl *pctrl) { FASSERT(pctrl); pctrl->is_ready = 0; memset(pctrl, 0, sizeof(*pctrl)); return; }