增加文件系统
This commit is contained in:
@@ -22,12 +22,6 @@ extern "C" {
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*/
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#define APP_SYS_TIME_SRC 0
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/*
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* 时间戳输出使能
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* 定义后在日志行首自动追加 [T ssssss.uuuuuu] 微秒时间戳
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*/
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#define APP_TIMESTAMP_ENABLE
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/*
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* 功能模块使能开关
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*/
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@@ -10,7 +10,6 @@
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#include "app_main.h"
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#include "app_cfg.h"
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#include "sys_time.h"
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#define DBG_TAG "[APP]"
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#include "dbg_log.h"
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@@ -24,10 +23,6 @@
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*/
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int app_main_init(void)
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{
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if (sys_time_init() != 0) {
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DBG_ERROR("sys_time_init failed");
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return -1;
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}
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DBG_INFO("App init OK");
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return 0;
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}
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199
App/sys_clock.c
Normal file
199
App/sys_clock.c
Normal file
@@ -0,0 +1,199 @@
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/*
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* 模块名称:System Clock — Wall Clock Time Maintenance
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* 模块功能:实现系统墙钟时间维护,包括 RTC 初始读取、HAL Tick 漂移维持
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* 适用平台:STM32F407ZGTx (Cortex-M4 FPU, 168MHz)
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* 作者:王建锋
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* 创建日期:2026-07-19
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* 修改记录:
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* v1.0 2026-07-19 王建锋 创建初始版本
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*/
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#include "sys_clock.h"
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#include "main.h"
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#include <string.h>
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#include <stdio.h>
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#define DBG_TAG "[CLK]"
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#include "dbg_log.h"
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/* ============================================================
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* 内部状态:系统墙钟
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* ============================================================ */
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static volatile uint32_t s_base_tick = 0; /* HAL_GetTick() 基准 */
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static volatile uint32_t s_base_unix_secs = UINT32_MAX;
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/* ============================================================
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* 内部辅助函数:Unix time ↔ sd2506_time_t 转换
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* ============================================================ */
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static void unix_to_sd2506(uint32_t unix_secs, sd2506_time_t *p_sd_time)
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{
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uint32_t y, m, d;
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uint8_t h, mi, s;
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int is_leap;
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/* 时分秒 */
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{
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uint64_t total = (uint64_t)unix_secs;
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s = (uint8_t)(total % 60uLL);
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total /= 60uLL;
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mi = (uint8_t)(total % 60uLL);
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total /= 60uLL;
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h = (uint8_t)(total % 24uL);
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}
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/* 年月日 */
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{
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uint64_t day_count = ((uint64_t)unix_secs / 86400uL);
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y = 1970u;
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while (day_count >= 365uLL) {
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uint64_t diy = 365uLL;
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if ((y % 4 == 0 && y % 100 != 0) || (y % 400 == 0)) {
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diy = 366uLL;
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}
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if (day_count < diy) break;
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day_count -= diy;
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y++;
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}
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is_leap = ((y % 4 == 0 && y % 100 != 0) || (y % 400 == 0));
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uint8_t mdays[12] = {31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31};
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if (is_leap) mdays[1] = 29;
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m = 0;
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while (m < 12u) {
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if (day_count < (uint64_t)mdays[m]) break;
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day_count -= mdays[m];
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m++;
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}
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d = (uint32_t)(day_count + 1uL);
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/* 星期(Zeller's congruence,0=Sunday) */
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uint64_t wy = y;
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uint64_t wm = m;
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if (wm <= 2) {
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wy--;
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wm += 12uL;
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}
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uint8_t week = ((uint32_t)(wy % 100uLL + wy / 100uLL / 4uLL - wy / 100uLL / 15uLL) +
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(uint32_t)(((uint64_t)26 * (wm + 1uL)) / 10uLL) +
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(uint32_t)(d % 100uLL)) % 7uLL;
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/* SD2506 year 字段为 0~99(+2000) */
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uint16_t sd_year = y >= 2000 ? (y - 2000) : (y + 2000);
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p_sd_time->year = sd_year;
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p_sd_time->month = m + 1uL; /* 月份从 0 → 1 */
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p_sd_time->day = d;
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p_sd_time->hour = h;
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p_sd_time->minute = mi;
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p_sd_time->second = s;
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p_sd_time->week = week;
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}
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}
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/* ============================================================
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* 系统墙钟时间维护
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* ============================================================ */
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int sys_clock_init(void)
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{
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sd2506_time_t sd_time;
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uint32_t year, month, day, hour, minute, second;
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int64_t unix_secs = 0;
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int i;
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/* Step 1: 从 SD2506 RTC 读取初始时间 */
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sd2506_get_time(&sd_time);
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year = (uint32_t)sd_time.year + 2000uL;
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month = (uint32_t)sd_time.month;
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day = (uint32_t)sd_time.day;
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hour = (uint32_t)sd_time.hour;
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minute = (uint32_t)sd_time.minute;
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second = (uint32_t)sd_time.second;
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DBG_INFO("sys_clock_init: RTC initial time %04d-%02d-%02d %02d:%02d:%02d",
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year, month, day, hour, minute, second);
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/* Step 2: Unix epoch → seconds(简化算法,适用于 1970~2038) */
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{
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uint64_t total_days = 0;
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for (i = 1970; i < year; i++) {
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if ((i % 4 == 0 && i % 100 != 0) || (i % 400 == 0)) {
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total_days += 366uLL;
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} else {
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total_days += 365uLL;
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}
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}
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int is_leap = ((year % 4 == 0 && year % 100 != 0) || (year % 400 == 0));
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uint8_t mdays[12] = {31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31};
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if (is_leap) mdays[1] = 29;
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for (i = 0; i < month - 1; i++) {
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total_days += mdays[i];
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}
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total_days += day - 1uL;
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unix_secs = (int64_t)(total_days * 86400LL) + hour * 3600LL + minute * 60LL + second;
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}
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/* Step 3: 设置系统墙钟基准 */
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s_base_tick = HAL_GetTick();
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s_base_unix_secs = (uint32_t)unix_secs;
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DBG_INFO("sys_clock_init: wall clock base = unix %lu, base_tick=%lu",
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(unsigned long)s_base_unix_secs, (unsigned long)s_base_tick);
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return 0;
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}
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uint32_t sys_clock_get(void)
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{
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uint32_t now_tick = HAL_GetTick();
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int64_t unix_secs = (int64_t)s_base_unix_secs + (int64_t)((uint32_t)(now_tick - s_base_tick) / 1000uL);
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if (unix_secs < 0) {
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return UINT32_MAX; /* 未初始化 */
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}
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return (uint32_t)unix_secs;
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}
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char *sys_clock_get_str(char *buf, size_t buf_size)
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{
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uint32_t unix_secs = sys_clock_get();
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if (unix_secs == UINT32_MAX) {
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snprintf(buf, buf_size, "----/--/-- --:--:--");
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return buf;
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}
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sd2506_time_t sd;
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unix_to_sd2506(unix_secs, &sd);
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snprintf(buf, buf_size, "%04d-%02d-%02d %02d:%02d:%02d",
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sd.year + 2000uL, sd.month, sd.day,
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sd.hour, sd.minute, sd.second);
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return buf;
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}
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int sys_clock_set(uint32_t unix_secs, const sd2506_time_t *sd_time)
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{
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/* Step 1: 更新墙钟基准 */
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s_base_tick = HAL_GetTick();
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s_base_unix_secs = unix_secs;
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DBG_INFO("sys_clock_set: wall clock updated to %lu", (unsigned long)unix_secs);
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/* Step 2: 写回 SD2506 RTC(若提供了 sd_time) */
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if (sd_time != NULL) {
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sd2506_set_time(sd_time);
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DBG_INFO("sys_clock_set: SD2506 RTC written");
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}
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return 0;
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}
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65
App/sys_clock.h
Normal file
65
App/sys_clock.h
Normal file
@@ -0,0 +1,65 @@
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/*
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* 模块名称:System Clock — Wall Clock Time Maintenance
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* 模块功能:基于 HAL Tick + SD2506 RTC 的系统墙钟时间维护
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* 启动时从 SD2506 RTC 读取初始时间,运行期间以 HAL Tick 计数维持
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* 适用平台:STM32F407ZGTx (Cortex-M4 FPU, 168MHz)
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* 作者:王建锋
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* 创建日期:2026-07-19
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* 修改记录:
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* v1.0 2026-07-19 王建锋 创建初始版本
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*/
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#ifndef __SYS_CLOCK_H
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#define __SYS_CLOCK_H
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#ifdef __cplusplus
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extern "C" {
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#endif
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#include <stdint.h>
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#include "sd2506.h"
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/*
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* 函数功能:系统时钟初始化(从 SD2506 RTC 读取初始时间)
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* 入口参数:无
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* 返回值:0 - 成功, -1 - 失败
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* 限定条件:sd2506_init() 已调用
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* 函数说明:读取 SD2506 RTC 当前值转换为 Unix timestamp,设为系统墙钟初始时间
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*/
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int sys_clock_init(void);
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/*
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* 函数功能:获取当前系统墙钟时间(Unix epoch seconds)
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* 入口参数:无
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* 返回值:Unix time (秒),失败返回 UINT32_MAX
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* 限定条件:sys_clock_init() 已调用
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* 函数说明:基于 HAL Tick 计数 + 上次校准时刻的 Unix 秒数计算当前时间,
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* 精度为毫秒级
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*/
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uint32_t sys_clock_get(void);
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/*
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* 函数功能:格式化系统墙钟时间为字符串
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* 入口参数:buf - 输出缓冲区(至少 20 字节)
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* buf_size - 缓冲区大小
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* 返回值:buf 指针,失败返回 NULL
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* 限定条件:sys_clock_init() 已调用
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* 函数说明:格式 "YYYY-MM-DD HH:MM:SS"
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*/
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char *sys_clock_get_str(char *buf, size_t buf_size);
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/*
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* 函数功能:设置系统墙钟时间
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* 入口参数:unix_secs - Unix epoch time (秒)
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* sd_time - SD2506 RTC 时间结构体(可选,非 NULL 时同时写入 RTC)
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* 返回值:0 - 成功, -1 - 失败
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* 限定条件:sys_clock_init() 已调用
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* 函数说明:更新系统墙钟基准 + 写回 SD2506 RTC 保持长期准确性
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*/
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int sys_clock_set(uint32_t unix_secs, const sd2506_time_t *sd_time);
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#ifdef __cplusplus
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}
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#endif
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#endif /* __SYS_CLOCK_H */
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107
App/sys_time.c
107
App/sys_time.c
@@ -1,107 +0,0 @@
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/*
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* 模块名称:System Timer
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* 模块功能:DWT CYCCNT 实现 64-bit 微秒级时间戳
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* 在 SysTick 中断中检测 CYCCNT 溢出以扩展至 64-bit
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* 适用平台:STM32F407ZGTx (168MHz)
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* 作者:王建锋
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* 创建日期:2026-07-19
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*
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* 限定条件:
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* - CPU 主频 168MHz(若更改须同步 SYS_TIME_CYCLE_PER_US 宏)
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* - 须在 FreeRTOS 启动前调用 sys_time_init()
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* - sys_time_systick_hook() 须在 SysTick 中断中调用
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*
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* 修改记录:
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* v1.0 2026-07-19 王建锋 创建初始版本
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*/
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#include "sys_time.h"
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#include "app_cfg.h"
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#include "stm32f4xx.h"
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/*
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* 每微秒 CPU 周期数(168MHz → 168 cycles/µs)
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*/
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#define SYS_TIME_CYCLE_PER_US 168UL
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/*
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* CYCCNT 每溢出一次代表的微秒数(2^32 / 168 ≈ 25,564,904 µs ≈ 25.56s)
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*/
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#define SYS_TIME_OVERFLOW_US (uint64_t)(((uint64_t)1 << 32) / SYS_TIME_CYCLE_PER_US)
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static volatile uint32_t s_overflow_cnt;
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/*
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* 函数功能:初始化 DWT CYCCNT
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* 入口参数:无
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* 返 回 值:0 - 成功
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* 限定条件:须在 FreeRTOS 启动前调用
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* 函数说明:启用 DWT 和 CYCCNT 计数器,计数器从 0 开始
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*/
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int sys_time_init(void)
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{
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CoreDebug->DEMCR |= CoreDebug_DEMCR_TRCENA_Msk;
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DWT->CYCCNT = 0;
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DWT->CTRL |= DWT_CTRL_CYCCNTENA_Msk;
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s_overflow_cnt = 0;
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return 0;
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}
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/*
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* 函数功能:获取微秒级时间戳
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* 入口参数:无
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* 返 回 值:64 位微秒时间戳
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* 函数说明:由当前 CYCCNT 值与溢出计数合成 64-bit 周期数再转换
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*/
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uint64_t sys_time_us(void)
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{
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uint32_t cyccnt = 0;
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uint64_t ticks = 0;
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uint32_t ov = 0;
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uint32_t ov2 = 0;
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/*
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* 原子读取溢出计数与 CYCCNT,处理潜在的读取竞争
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* 若两次读取溢出计数不一致则重读 CYCCNT
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*/
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do {
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ov = s_overflow_cnt;
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cyccnt = DWT->CYCCNT;
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ov2 = s_overflow_cnt;
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} while (ov != ov2);
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ticks = ((uint64_t)ov << 32) | cyccnt;
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return ticks / SYS_TIME_CYCLE_PER_US;
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}
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/*
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* 函数功能:获取毫秒级时间戳
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* 入口参数:无
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* 返 回 值:64 位毫秒时间戳
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* 限定条件:sys_time_init() 已成功调用
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* 函数说明:通过对 sys_time_us() 取整实现
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*/
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uint64_t sys_time_ms(void)
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{
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return sys_time_us() / 1000;
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}
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/*
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* 函数功能:SysTick 中断钩子,检测 CYCCNT 溢出
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* 入口参数:无
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||||
* 返 回 值:无
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* 函数说明:必须在 SysTick_Handler() 中调用
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* 每 1ms 检查一次 CYCCNT 是否已回绕
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*/
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void sys_time_systick_hook(void)
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{
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static uint32_t s_last_cyccnt = 0;
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uint32_t cyccnt = DWT->CYCCNT;
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if (cyccnt < s_last_cyccnt) {
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s_overflow_cnt++;
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}
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s_last_cyccnt = cyccnt;
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}
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@@ -1,29 +0,0 @@
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||||
/*
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||||
* 模块名称:System Timer
|
||||
* 模块功能:基于 DWT CYCCNT + SysTick 溢出的 64 位微秒级时间戳
|
||||
* 适用平台:STM32F407ZGTx (Cortex-M4 FPU)
|
||||
* 作者:王建锋
|
||||
* 创建日期:2026-07-19
|
||||
* 修改记录:
|
||||
* v1.0 2026-07-19 王建锋 创建初始版本
|
||||
*/
|
||||
|
||||
#ifndef __SYS_TIME_H
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||||
#define __SYS_TIME_H
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||||
|
||||
#ifdef __cplusplus
|
||||
extern "C" {
|
||||
#endif
|
||||
|
||||
#include <stdint.h>
|
||||
|
||||
int sys_time_init(void);
|
||||
uint64_t sys_time_us(void);
|
||||
uint64_t sys_time_ms(void);
|
||||
void sys_time_systick_hook(void);
|
||||
|
||||
#ifdef __cplusplus
|
||||
}
|
||||
#endif
|
||||
|
||||
#endif /* __SYS_TIME_H */
|
||||
@@ -46,10 +46,11 @@ void net_task_func(void const *arg)
|
||||
(void)arg;
|
||||
|
||||
osDelay(2000);
|
||||
DBG_INFO("netTask: started");
|
||||
DBG_INFO("netTask: started, processing messages");
|
||||
|
||||
for (;;) {
|
||||
net_poll();
|
||||
net_process_messages();
|
||||
|
||||
#ifdef ENABLE_PHASE4_TESTS
|
||||
for (int i = 1; i < 8; i++) {
|
||||
@@ -58,9 +59,9 @@ void net_task_func(void const *arg)
|
||||
continue;
|
||||
}
|
||||
|
||||
int n = net_recv(i, s_net_buf, sizeof(s_net_buf), NET_MSG_DONTWAIT);
|
||||
int n = net_recv_sock(p_sk, s_net_buf, sizeof(s_net_buf), NET_MSG_DONTWAIT);
|
||||
if (n > 0) {
|
||||
net_send(i, s_net_buf, n, 0);
|
||||
net_send_sock(p_sk, s_net_buf, n);
|
||||
}
|
||||
}
|
||||
#endif
|
||||
|
||||
Reference in New Issue
Block a user