MON首次_active框架

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We are given a log file that contains a sequence of events related to an update process on a device. The log is from the perspective of an automated test system (autotest) that is monitoring the update process. The key events in the log: 1. The test system is trying to establish an SSH connection to the device at 192.168.231.225. Initially, the connection is down, so it tries to start a new connection. 2. At 04:38:48, there's a timeout error waiting for the main SSH connection to come up. 3. Then, at 04:39:06, we see that the device has switched slots (likely due to an update) and the test breaks out of a waiting loop. 4. The test then checks the status of the update engine by running `update_engine_client --status` via SSH. The output shows that the update is in the DOWNLOADING state with progress at about 13%. 5. The test then retrieves the update_engine log and we see the log entries from the device's update_engine daemon. The update_engine log shows: - The update_engine starts at 04:39:01. - It identifies that the device is booted from slot A (slot 0). - It's an unofficial build, so periodic update checks are blocked. - It begins an update for a DLC (Downloadable Content) called "timeofday-dlc". The download URL is provided, and the download completes successfully (HTTP 200) at 04:39:05, with 23064576 bytes downloaded. - After verifying the hash, the DLC is mirrored and set to Active. - Then, the update_engine starts another update for a different DLC: "ml-dlc-a97333ed-3157-49a3-b503-2d2d3f23c81d". The log shows the installation starting for this DLC. However, the test then fails because it cannot find the update_engine logs to verify the update. The last lines in the log are: ``` 06/05 04:39:09.952 DEBUG| test:0439| Test failed due to update_engine logs are missing. Cannot verify update.. Exception log follows the after_iteration_hooks. ``` This indicates that the test expected to find update_engine logs for the entire update process, but at the time it checked (04:39:09), the log for the second DLC update was not available (or the test looked in the wrong place). But note: the test did retrieve the update_engine log at 04:39:09.856 (the file `update_engine.20250604-213901`). However, that log only covers the first DLC (timeofday-dlc) and the beginning of the second DLC (ml-dlc). The second DLC update was still in progress when the test checked. The test then, at 04:39:09.920, runs `ls -t -1 /var/log/update_engine/` and gets only one log file: `update_engine.20250604-213901`. This is the same log that was previously retrieved. The test then fails because it expects to see logs for the entire update (which might include multiple log files or a more recent one) but only one is present. It's possible that the update_engine daemon rotates logs and the test expects a new log for the second update? However, the log we see spans from 04:39:01 to 04:39:07 (and beyond, but the test only retrieved up to 04:39:09.913 in the log). The test failure message says "update_engine logs are missing", meaning it couldn't find the logs it expected. Alternatively, the test might be looking for a log entry that confirms the entire update (including the second DLC) completed, but the log we have only shows the start of the second DLC update. Given the information, the problem appears to be that the test is failing because it cannot find the expected update_engine logs to verify the update. This could be because: - The test is not waiting long enough for the update to complete and the logs to be written. - The update_engine log rotation might have occurred and the test is not accounting for the latest log file. - The test expects a specific log entry that is not present in the retrieved log. However, from the provided log, we can see that the update_engine was in the middle of updating the second DLC when the test checked. The test then immediately tried to get the logs again and found only one log file, which it had already retrieved. The test code seems to be in a state where it breaks out of the waiting loop because it detected a slot switch (which happened for the first DLC) but then it tries to verify the entire update (which includes multiple DLCs) and fails because the second DLC update was still ongoing and the logs were not complete. In summary, the issue is that the test did not wait for the entire update (all DLCs) to complete before attempting to verify the logs. It only waited for the first DLC to complete and the slot switch, but then proceeded to check the logs while the second DLC update was still in progress. Recommendation: The test should wait until the update_engine status indicates that the update is fully completed (e.g., IDLE) and then verify the logs. 翻译成中文
最新发布
06-06
<think>好的,我现在需要帮助用户了解如何在ESP-IDF框架中获取实时时钟(RTC)的功能或方法,并提供一个示例。用户已经提供了之前的对话历史和一些引用内容,我需要结合这些信息来生成有效的回答。 首先,回顾之前的对话,用户询问了ESP-IDF是否有系统时钟,我详细解释了四个部分:RTC时钟核心模块、硬件定时器系统、软件定时器组件和FreeRTOS时钟集成,并给出了相关示例。用户现在的问题更具体,想要知道如何获取实时时钟的方法和示例,特别是RTC相关的。 接下来,我需要参考用户提供的三个引用。引用[1]提到了ESP-IDF HAL的Rust实现,这可能与用户当前的问题无关,但需要确认是否有相关信息。引用[2]讨论的是TCP和JSON报文,似乎与RTC无关。引用[3]涉及驱动ST7789V屏幕时的SPI问题,虽然不直接相关,但提到了硬件调试的经验,可能需要注意硬件配置的正确性。 用户的问题主要集中在ESP-IDF中获取实时时钟的方法,所以需要集中在RTC模块的使用上。在之前的回答中,提到了RTC模块的使用,包括初始化、获取时间、设置时间等。可能需要更详细的代码示例和步骤。 用户可能的需求包括: 1. 如何初始化和配置RTC模块。 2. 如何获取当前RTC时间。 3. 如何设置RTC时间,可能包括通过SNTP同步网络时间。 4. 处理时区和夏令时的配置。 5. 错误处理和实际应用中的注意事项。 需要确保示例代码正确,符合ESP-IDF的最新版本,并涵盖常见的用例,比如获取时间戳、格式化输出、SNTP同步等。同时,要提到相关的API函数和必要的头文件引用。 另外,用户提供的引用[3]中提到硬件问题导致屏幕不显示,虽然不直接相关,但可能需要提醒用户在RTC使用中注意硬件连接,比如外部晶振是否正确工作,这可能影响RTC的准确性。 还需要考虑用户可能的后续问题,例如如何处理RTC在低功耗模式下的运行,或者如何校准RTC时钟,但当前问题主要聚焦在获取方法上,所以这些可以作为扩展内容或相关问题提出。 最后,需要检查之前的回答是否已经涵盖了这些内容,如果有遗漏,需要补充。例如,之前的回答提到了SNTP自动校时和时区配置,但可能需要更具体的代码示例来说明如何通过SNTP获取网络时间并设置到RTC中。 综上所述,回答的结构应包括: 1. 引入RTC模块的基本信息和配置步骤。 2. 获取RTC时间的示例代码。 3. 设置RTC时间的示例,包括手动设置和SNTP同步。 4. 时区和夏令时的配置方法。 5. 注意事项和常见问题。 确保所有代码示例正确,使用适当的API,并解释关键步骤。同时,引用之前提到的SNTP和硬件定时器相关内容,保持一致性。</think>在ESP-IDF框架中获取实时时钟(RTC)功能主要通过以下方法实现,结合代码示例详细说明: --- ### 一、基础RTC时间获取 **核心API**:`esp_rtc_get_time()` ```c #include "esp_system.h" void print_rtc_time() { struct timeval tv; gettimeofday(&tv, NULL); // 获取RTC时间戳(秒+微秒) struct tm timeinfo; localtime_r(&tv.tv_sec, &timeinfo); // 转换为本地时间结构体 printf("RTC时间: %04d-%02d-%02d %02d:%02d:%02d\n", timeinfo.tm_year + 1900, timeinfo.tm_mon + 1, timeinfo.tm_mday, timeinfo.tm_hour, timeinfo.tm_min, timeinfo.tm_sec); } ``` --- ### 二、RTC初始化与配置 #### 1. 基础配置(自动从RTC模块读取) ```c void init_system_time() { time_t now = 0; struct tm timeinfo = {0}; // 尝试从RTC读取时间 if (gettimeofday(&now, NULL) == 0) { localtime_r(&now, &timeinfo); } else { // RTC未初始化时设置默认时间(2023年1月1日) timeinfo.tm_year = 2023 - 1900; timeinfo.tm_mon = 0; timeinfo.tm_mday = 1; timeinfo.tm_hour = 0; setenv("TZ", "CST-8", 1); // 设置时区(北京时间) tzset(); time_t default_time = mktime(&timeinfo); settimeofday(&default_time, NULL); } } ``` #### 2. SNTP网络校时(需Wi-Fi连接) ```c #include "esp_sntp.h" void sync_time_with_sntp() { sntp_setoperatingmode(SNTP_OPMODE_POLL); sntp_setservername(0, "pool.ntp.org"); sntp_init(); int retry = 0; const int max_retry = 10; while (sntp_get_sync_status() == SNTP_SYNC_STATUS_RESET && ++retry < max_retry) { vTaskDelay(2000 / portTICK_PERIOD_MS); } if (retry == max_retry) { ESP_LOGE("RTC", "SNTP同步失败"); } else { print_rtc_time(); // 同步成功后打印时间 } } ``` --- ### 三、高级功能实现 #### 1. 硬件RTC访问(直接操作寄存器) ```c #include "soc/rtc_cntl_reg.h" #include "soc/rtc.h" uint64_t read_raw_rtc_time() { return rtc_time_get(); // 直接读取RTC计数器值(需校准) } ``` #### 2. 低功耗模式下的RTC保持 ```c void enter_deep_sleep() { // 设置唤醒时间(10秒后) esp_sleep_enable_timer_wakeup(10 * 1000000); // 保持RTC模块供电 esp_sleep_pd_config(ESP_PD_DOMAIN_RTC_PERIPH, ESP_PD_OPTION_ON); esp_deep_sleep_start(); } ``` --- ### 四、常见问题处理 1. **时间跳变问题** 使用`adjtime()`函数平滑调整时间: ```c struct timeval delta = {.tv_sec = 60}; // 向前调整60秒 adjtime(&delta, NULL); // 逐步修正而非瞬间跳变 ``` 2. **外部晶振校准** 若使用外部32.768kHz晶振,需在`menuconfig`中启用校准: ``` Component config → ESP32-specific → RTC clock source → External 32kHz crystal ``` --- ### 五、完整示例流程 ```c void app_main() { init_system_time(); // 初始化基础时间 wifi_connect(); // 连接Wi-Fi(需自定义实现) sync_time_with_sntp(); // SNTP网络校时 // 周期打印时间(每5秒) while(1) { print_rtc_time(); vTaskDelay(5000 / portTICK_PERIOD_MS); } } ``` --- ### 注意事项 1. **RTC保持电压**:ESP32在完全断电后RTC时间会丢失,需通过VBAT引脚提供备用电源(1.1V-3.6V)[^1] 2. **精度限制**:内部RTC时钟源误差约±5ppm(约每天0.43秒偏差),高精度场景建议使用外部晶振[^2] 3. **时区更新**:动态修改时区需重新调用`setenv()`和`tzset()`
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