wuchuyuan
fdb43011b7
2、自动/手动互相切换都闪 2 下灯；APP 发停止后再发自动模式可正常启动，手动残留停止不再挡住自动 3、自动模式 1~6 单次最长跑 10 分钟后回待机；关机时长按 12 秒进 OTA，OTA 期间红绿交替闪
367 lines
9.1 KiB
C
367 lines
9.1 KiB
C
/******************************************************************************
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* @file usr_rtc.c
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* @brief 板级 RTC 外设实现（BR28 硬件 rtc_dev_ops）
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* @author cyWu <1917507415@qq.com>
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* @date 2026.08.19
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* @version V1.1.0
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* @history
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* - V1.0.0, 2026.08.19, cyWu, 首次发布，实现板级硬件 RTC 对时与本地日历读取
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* - V1.1.0, 2026.08.19, cyWu, 精简公共接口与缓存逻辑
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******************************************************************************/
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#include "system/includes.h"
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#include "app_config.h"
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#include "usr_rtc.h"
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#include "asm/rtc.h"
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#define LOG_TAG_CONST APP
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#define LOG_TAG "[USR_RTC]"
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#define LOG_ERROR_ENABLE
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#define LOG_DEBUG_ENABLE
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#define LOG_INFO_ENABLE
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#include "debug.h"
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/*============================================================================*/
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/* 私有宏 / 类型 */
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/*============================================================================*/
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#define USR_RTC_TZ_MAGIC (0x52544331u) /**< 'RTC1'，校验 VM 时区 */
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typedef struct {
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uint32_t magic;
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int32_t tz_s;
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} UsrRtcTzVm_t;
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typedef struct {
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uint8_t inited;
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uint8_t tz_valid;
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int32_t tz_s;
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void *dev;
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} UsrRtc_t;
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/*============================================================================*/
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/* 私有变量 */
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/*============================================================================*/
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static UsrRtc_t s_rtc;
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/*============================================================================*/
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/* 私有函数声明 */
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/*============================================================================*/
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static uint8_t usr_rtc_is_leap(uint16_t year);
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static uint8_t usr_rtc_days_in_month(uint16_t year, uint8_t month);
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static uint8_t usr_rtc_year_ok(uint16_t year);
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static void usr_rtc_unix_to_calendar(uint32_t unix_utc, int32_t tz_s,
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struct sys_time *t);
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static UsrRtc_Ret_t usr_rtc_write(const struct sys_time *t);
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static void usr_rtc_load_tz(void);
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static void usr_rtc_save_tz(int32_t tz_s);
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/*============================================================================*/
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/* 公有函数 */
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/*============================================================================*/
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/**
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* @brief 打开 rtc 设备并加载时区
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* @return USR_RTC_OK=成功，USR_RTC_ERR_NOT_INIT=设备打开失败或 RTC 未使能
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*/
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UsrRtc_Ret_t usr_rtc_init(void)
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{
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struct sys_time t;
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if (s_rtc.inited)
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{
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return USR_RTC_OK;
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}
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#if TCFG_APP_RTC_EN
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s_rtc.dev = dev_open("rtc", NULL);
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if (!s_rtc.dev)
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{
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log_error("open rtc fail");
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return USR_RTC_ERR_NOT_INIT;
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}
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#else
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log_error("TCFG_APP_RTC_EN=0");
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return USR_RTC_ERR_NOT_INIT;
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#endif
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usr_rtc_load_tz();
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s_rtc.inited = 1;
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memset(&t, 0, sizeof(t));
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read_sys_time(&t);
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log_info("rtc open %u-%02u-%02u %02u:%02u:%02u tz=%ld tz_ok=%u",
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t.year, t.month, t.day, t.hour, t.min, t.sec,
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(long)s_rtc.tz_s, s_rtc.tz_valid);
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return USR_RTC_OK;
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}
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/**
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* @brief 获取当前本地时间
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* @param t 成功时赋值；失败不改动
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* @return 1=已对时且读成功，0=未初始化/未对时/参数非法
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*/
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uint8_t usr_rtc_get_time(struct sys_time *t)
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{
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struct sys_time tmp;
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if (!t || !s_rtc.inited || !s_rtc.tz_valid)
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{
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return 0;
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}
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memset(&tmp, 0, sizeof(tmp));
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read_sys_time(&tmp);
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if (!usr_rtc_year_ok(tmp.year))
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{
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return 0;
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}
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*t = tmp;
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return 1;
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}
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/**
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* @brief UTC 秒 + 时区 → 本地日历写入 RTC
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* @param unix_utc UTC 秒
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* @param tz_s 时区偏移秒
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* @return USR_RTC_OK=成功，USR_RTC_ERR_NOT_INIT=未初始化，USR_RTC_ERR_PARAM=参数非法，USR_RTC_ERR_INVALID=年份非法
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*/
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UsrRtc_Ret_t usr_rtc_set_from_unix(uint64_t unix_utc, int32_t tz_s)
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{
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struct sys_time t;
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UsrRtc_Ret_t ret;
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if (!s_rtc.inited)
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{
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return USR_RTC_ERR_NOT_INIT;
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}
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if (unix_utc == 0)
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{
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log_debug("unix=0, ignore");
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return USR_RTC_ERR_PARAM;
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}
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/* 网关采样到写入大约慢 1s，在 UTC 上补偿 */
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unix_utc += USR_RTC_SYNC_COMPENSATE_S;
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if ((tz_s > USR_RTC_TZ_ABS_MAX_S) || (tz_s < -USR_RTC_TZ_ABS_MAX_S))
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{
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log_error("tz out of range %ld", (long)tz_s);
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return USR_RTC_ERR_PARAM;
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}
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if (unix_utc > 0xFFFFFFFFull)
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{
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log_error("unix too large");
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return USR_RTC_ERR_PARAM;
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}
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usr_rtc_unix_to_calendar((uint32_t)unix_utc, tz_s, &t);
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if (!usr_rtc_year_ok(t.year))
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{
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log_error("year %u not in %u~%u, wait sync",
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t.year, USR_RTC_YEAR_MIN, USR_RTC_YEAR_MAX);
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return USR_RTC_ERR_INVALID;
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}
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ret = usr_rtc_write(&t);
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if (ret != USR_RTC_OK)
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{
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return ret;
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}
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usr_rtc_save_tz(tz_s);
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log_info("set rtc %u-%02u-%02u %02u:%02u:%02u tz=%ld",
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t.year, t.month, t.day, t.hour, t.min, t.sec, (long)tz_s);
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return USR_RTC_OK;
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}
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/*============================================================================*/
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/* 私有函数 */
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/*============================================================================*/
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/**
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* @brief 写硬件日历
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* @param t 本地日历
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* @return USR_RTC_OK=成功，USR_RTC_ERR_PARAM=参数非法，USR_RTC_ERR_NOT_INIT=未初始化
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*/
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static UsrRtc_Ret_t usr_rtc_write(const struct sys_time *t)
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{
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struct sys_time tmp;
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if (!t)
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{
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return USR_RTC_ERR_PARAM;
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}
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if (!s_rtc.inited)
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{
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return USR_RTC_ERR_NOT_INIT;
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}
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if (!usr_rtc_year_ok(t->year) || (t->month < 1) || (t->month > 12) ||
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(t->day < 1) || (t->hour > 23) || (t->min > 59) || (t->sec > 59))
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{
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return USR_RTC_ERR_PARAM;
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}
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if (t->day > usr_rtc_days_in_month(t->year, t->month))
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{
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return USR_RTC_ERR_PARAM;
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}
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tmp = *t;
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write_sys_time(&tmp);
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return USR_RTC_OK;
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}
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/**
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* @brief 是否闰年
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* @param year 公历年
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* @return 1=闰年，0=平年
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*/
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static uint8_t usr_rtc_is_leap(uint16_t year)
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{
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if ((year % 400u) == 0)
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{
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return 1;
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}
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if ((year % 100u) == 0)
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{
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return 0;
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}
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return ((year % 4u) == 0) ? 1 : 0;
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}
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/**
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* @brief 某月天数
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* @param year 年
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* @param month 月 1~12
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* @return 该月天数；非法月份返回 0
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*/
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static uint8_t usr_rtc_days_in_month(uint16_t year, uint8_t month)
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{
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static const uint8_t days[12] = {
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31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31};
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if ((month < 1) || (month > 12))
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{
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return 0;
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}
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if ((month == 2) && usr_rtc_is_leap(year))
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{
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return 29;
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}
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return days[month - 1];
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}
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/**
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* @brief 年份是否在合法窗口
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* @param year 年
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* @return 1=合法，0=非法
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*/
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static uint8_t usr_rtc_year_ok(uint16_t year)
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{
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return ((year >= USR_RTC_YEAR_MIN) && (year <= USR_RTC_YEAR_MAX)) ? 1 : 0;
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}
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/**
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* @brief UTC 秒 + 时区 → 本地日历
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* @param unix_utc UTC 秒
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* @param tz_s 时区偏移秒
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* @param t 输出本地日历
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* @return 无
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*/
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static void usr_rtc_unix_to_calendar(uint32_t unix_utc, int32_t tz_s,
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struct sys_time *t)
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{
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int64_t local;
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uint32_t days;
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uint32_t tod;
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uint16_t y;
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uint8_t m;
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uint8_t dim;
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memset(t, 0, sizeof(*t));
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local = (int64_t)unix_utc + (int64_t)tz_s;
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if (local < 0)
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{
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local = 0;
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}
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tod = (uint32_t)(local % 86400);
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days = (uint32_t)(local / 86400);
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t->sec = (uint8_t)(tod % 60u);
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t->min = (uint8_t)((tod / 60u) % 60u);
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t->hour = (uint8_t)(tod / 3600u);
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y = 1970;
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while (1)
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{
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uint32_t diy = usr_rtc_is_leap(y) ? 366u : 365u;
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if (days < diy)
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{
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break;
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}
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days -= diy;
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y++;
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if (y > 4095u)
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{
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break;
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}
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}
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t->year = y;
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for (m = 1; m <= 12u; m++)
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{
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dim = usr_rtc_days_in_month(y, m);
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if (days < dim)
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{
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break;
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}
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days -= dim;
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}
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t->month = m;
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t->day = (uint8_t)(days + 1u);
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}
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/**
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* @brief 从 VM 加载时区
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* @return 无
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*/
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static void usr_rtc_load_tz(void)
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{
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UsrRtcTzVm_t vm;
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int ret;
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s_rtc.tz_valid = 0;
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s_rtc.tz_s = 0;
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memset(&vm, 0, sizeof(vm));
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ret = syscfg_read(CFG_USER_TIM_FLAG, (u8 *)&vm, sizeof(vm));
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if ((ret == (int)sizeof(vm)) && (vm.magic == USR_RTC_TZ_MAGIC))
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{
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if ((vm.tz_s <= USR_RTC_TZ_ABS_MAX_S) && (vm.tz_s >= -USR_RTC_TZ_ABS_MAX_S))
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{
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s_rtc.tz_s = vm.tz_s;
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s_rtc.tz_valid = 1;
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log_info("tz from vm %ld", (long)s_rtc.tz_s);
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return;
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}
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}
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log_debug("tz vm empty");
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}
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/**
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* @brief 时区写入 VM
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* @param tz_s 时区偏移秒
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* @return 无
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*/
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static void usr_rtc_save_tz(int32_t tz_s)
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{
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UsrRtcTzVm_t vm;
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s_rtc.tz_s = tz_s;
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s_rtc.tz_valid = 1;
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vm.magic = USR_RTC_TZ_MAGIC;
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vm.tz_s = tz_s;
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syscfg_write(CFG_USER_TIM_FLAG, (u8 *)&vm, sizeof(vm));
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}
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