小龙虾
1586a81b97
- 将 debug_log 模块重构为 DebugLog 单例类，封装 UART、UDP 和环形缓冲区日志输出 - 将 health_monitor 模块重构为 HealthMonitor 单例类，统一健康状态管理和监控逻辑 - 更新 main.cpp 中的初始化调用，使用单例实例替代原有全局函数 - 添加健康监控任务作为第四个 FreeRTOS 任务，增强系统监控能力 - 更新固件版本从 0.2.11 到 0.3.0，反映架构重大变更
266 lines
9.1 KiB
C++
266 lines
9.1 KiB
C++
/*
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* health_monitor.cpp - 系统健康监控
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* 包含：健康状态管理 + WiFi RSSI 监控 + 温度监控
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*
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* 所有功能封装为 HealthMonitor 类方法。
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*/
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#include <stdio.h>
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#include <string.h>
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#include "freertos/FreeRTOS.h"
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#include "freertos/task.h"
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#include "freertos/semphr.h"
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#include "esp_wifi.h"
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#include "esp_timer.h"
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#include "esp_err.h"
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#include "driver/temperature_sensor.h"
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#include "health_monitor.h"
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#include "debug_log.h"
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#include "server/wifi_ota.h"
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// ============================================================
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// 静态成员
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// ============================================================
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health_state_t HealthMonitor::healthState = SYS_NORMAL;
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// ============================================================
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// 单例
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// ============================================================
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HealthMonitor& HealthMonitor::instance()
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{
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static HealthMonitor inst;
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return inst;
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}
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// ============================================================
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// 初始化
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// ============================================================
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void HealthMonitor::init()
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{
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m_mutex = xSemaphoreCreateMutex();
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if (m_mutex == NULL) {
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DEBUG_ERR("HEALTH", "创建健康状态互斥锁失败");
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}
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}
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// ============================================================
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// 获取当前健康状态
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// ============================================================
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health_state_t HealthMonitor::getCurrent()
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{
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health_state_t state;
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if (m_mutex) {
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xSemaphoreTake(m_mutex, portMAX_DELAY);
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}
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state = healthState;
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if (m_mutex) {
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xSemaphoreGive(m_mutex);
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}
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return state;
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}
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float HealthMonitor::getLastTemperature()
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{
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return m_lastTemperature;
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}
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bool HealthMonitor::getLastWifiRssi(int8_t *out_rssi, uint32_t *out_age_ms)
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{
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if (m_lastWifiRssiMs <= 0) {
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return false;
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}
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int64_t now_ms = esp_timer_get_time() / 1000;
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uint32_t age_ms = (now_ms > m_lastWifiRssiMs) ? (uint32_t)(now_ms - m_lastWifiRssiMs) : 0;
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if (out_rssi) *out_rssi = m_lastWifiRssi;
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if (out_age_ms) *out_age_ms = age_ms;
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return true;
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}
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// ============================================================
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// 温度监控（定时器回调）
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// ============================================================
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void HealthMonitor::tempMonitorCallback(void *arg)
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{
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auto& self = instance();
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float temp = 0.0f;
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esp_err_t err = temperature_sensor_get_celsius(self.m_tempHandle, &temp);
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if (err != ESP_OK) {
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DEBUG_WARN("TEMP", "读取温度失败: %s", esp_err_to_name(err));
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return;
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}
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self.m_lastTemperature = temp;
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if (temp >= TEMP_CRITICAL) {
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healthState = SYS_SAFE_SHUTDOWN;
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DEBUG_ERR("TEMP", "!!! 危险 !!! 温度 %.1f°C >= %d°C，触发安全关机", temp, TEMP_CRITICAL);
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DEBUG_ERR("TEMP", "健康状态变更为: SYS_SAFE_SHUTDOWN");
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} else if (temp >= TEMP_WARNING) {
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if (healthState < SYS_WARNING) {
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healthState = SYS_WARNING;
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DEBUG_WARN("TEMP", "警告: 温度 %.1f°C >= %d°C", temp, TEMP_WARNING);
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DEBUG_WARN("TEMP", "健康状态变更为: SYS_WARNING");
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}
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}
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}
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// ============================================================
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// FreeRTOS 任务入口
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// ============================================================
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void HealthMonitor::taskEntry(void *pvParameters)
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{
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auto& self = instance();
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DEBUG_INFO("MON", "=== 健康监控任务启动 ===");
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temperature_sensor_config_t temp_config = TEMPERATURE_SENSOR_CONFIG_DEFAULT(20, 80);
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esp_err_t err = temperature_sensor_install(&temp_config, &self.m_tempHandle);
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if (err != ESP_OK) {
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DEBUG_ERR("MON", "温度传感器初始化失败: %s", esp_err_to_name(err));
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} else {
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ESP_ERROR_CHECK(temperature_sensor_enable(self.m_tempHandle));
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DEBUG_INFO("MON", "温度传感器已启用 (范围 20°C ~ 80°C)");
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}
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// 定时器，每1秒读取一次温度
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esp_timer_handle_t temp_timer;
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esp_timer_create_args_t timer_args = {};
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timer_args.callback = &tempMonitorCallback;
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timer_args.arg = nullptr;
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timer_args.name = "temp_monitor";
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timer_args.dispatch_method = ESP_TIMER_TASK;
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if (esp_timer_create(&timer_args, &temp_timer) == ESP_OK) {
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esp_timer_start_periodic(temp_timer, 1000000); // 1秒
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DEBUG_INFO("MON", "温度监控定时器已启动 (1秒间隔)");
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} else {
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DEBUG_ERR("MON", "创建温度监控定时器失败");
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}
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// 周期性巡检
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while (1) {
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uint32_t free_heap = esp_get_free_heap_size();
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if (free_heap < HEAP_WARNING_MIN) {
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DEBUG_WARN("MON", "堆内存不足: %lu < %lu", free_heap, HEAP_WARNING_MIN);
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}
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if (healthState >= SYS_CRITICAL) {
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DEBUG_ERR("MON", "健康状态危险: %d", healthState);
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}
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vTaskDelay(pdMS_TO_TICKS(5000));
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}
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}
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// ============================================================
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// 健康事件日志
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// ============================================================
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void HealthMonitor::logEvent(const char *event, int value)
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{
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DEBUG_INFO("HEALTH", "[健康事件] %s: %d", event, value);
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}
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// ============================================================
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// OTA 健康检查
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// ============================================================
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health_status_t HealthMonitor::checkBeforeOta()
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{
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health_status_t status = HEALTH_MON_OK;
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if (healthState >= SYS_SAFE_SHUTDOWN) {
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DEBUG_WARN("HEALTH", "OTA 前检查: SYS_SAFE_SHUTDOWN，禁止传输");
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return HEALTH_MON_SHUTDOWN;
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} else if (healthState >= SYS_CRITICAL) {
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DEBUG_WARN("HEALTH", "OTA 前检查: SYS_CRITICAL，禁止传输");
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return HEALTH_MON_CRITICAL;
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} else if (healthState >= SYS_WARNING) {
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status = HEALTH_MON_WARNING;
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DEBUG_WARN("HEALTH", "OTA 前检查: SYS_WARNING，继续传输但需注意");
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}
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if (!WifiOta::isConnected()) {
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DEBUG_WARN("HEALTH", "OTA 前检查: WiFi 未连接");
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return HEALTH_MON_CRITICAL;
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}
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int8_t last_rssi = -127;
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uint32_t age_ms = 0;
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if (getLastWifiRssi(&last_rssi, &age_ms)) {
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if (age_ms <= OTA_WIFI_RSSI_SAMPLE_MAX_AGE_MS) {
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if (last_rssi < OTA_WIFI_RSSI_CRITICAL) {
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DEBUG_WARN("HEALTH", "OTA 前检查: 最近 RSSI %d < %d (样本年龄 %lu ms)",
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last_rssi, OTA_WIFI_RSSI_CRITICAL, (unsigned long)age_ms);
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return HEALTH_MON_CRITICAL;
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} else if (last_rssi < WIFI_RSSI_NORMAL) {
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if (status < HEALTH_MON_WARNING) {
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status = HEALTH_MON_WARNING;
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}
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DEBUG_WARN("HEALTH", "OTA 前检查: 最近 RSSI %d < %d (样本年龄 %lu ms)",
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last_rssi, WIFI_RSSI_NORMAL, (unsigned long)age_ms);
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}
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}
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}
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if (status == HEALTH_MON_OK) {
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DEBUG_DBG("HEALTH", "OTA 前检查: 正常");
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}
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return status;
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}
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health_status_t HealthMonitor::checkBeforeOtaRelay()
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{
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health_status_t status = HEALTH_MON_OK;
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if (healthState >= SYS_SAFE_SHUTDOWN) {
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DEBUG_WARN("HEALTH", "OTA 中继检查: SYS_SAFE_SHUTDOWN，禁止传输");
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return HEALTH_MON_SHUTDOWN;
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} else if (healthState >= SYS_CRITICAL) {
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/* SYS_CRITICAL 可能是由 WiFi RSSI 过低导致的，
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* 但 SPI 中继阶段不依赖 WiFi，只检查温度/硬件等本地状态。
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* 温度达到 TEMP_CRITICAL(100°C) 时 g_health_state 会被设为
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* SYS_SAFE_SHUTDOWN，在上面的分支已经拦截。
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* 所以 SYS_CRITICAL 在中继阶段只可能是 WiFi 导致的，允许继续。 */
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DEBUG_WARN("HEALTH", "OTA 中继检查: SYS_CRITICAL (WiFi 相关)，SPI 中继允许继续");
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} else if (healthState >= SYS_WARNING) {
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status = HEALTH_MON_WARNING;
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DEBUG_WARN("HEALTH", "OTA 中继检查: SYS_WARNING，继续传输");
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}
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/* 跳过 WiFi 连接状态和 RSSI 检查：
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* SPI 中继阶段固件已存储在 ESP32 Flash 中，
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* 不依赖 WiFi 连接，无需检查 WiFi 状态。 */
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if (status == HEALTH_MON_OK) {
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DEBUG_DBG("HEALTH", "OTA 中继检查: 正常");
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}
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return status;
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}
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// ============================================================
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// WiFi RSSI 更新
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// ============================================================
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health_status_t HealthMonitor::updateFromWifiRssi(int8_t rssi)
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{
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if (rssi < WIFI_RSSI_CRITICAL) {
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healthState = SYS_CRITICAL;
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DEBUG_WARN("HEALTH", "WiFi RSSI 危险: %d dBm < %d dBm", rssi, WIFI_RSSI_CRITICAL);
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logEvent("WIFI危险", rssi);
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return HEALTH_MON_CRITICAL;
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} else if (rssi < WIFI_RSSI_NORMAL) {
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if (healthState < SYS_WARNING) {
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healthState = SYS_WARNING;
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DEBUG_WARN("HEALTH", "WiFi RSSI 警告: %d dBm < %d dBm", rssi, WIFI_RSSI_NORMAL);
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logEvent("WIFI警告", rssi);
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}
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return HEALTH_MON_WARNING;
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}
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if (healthState == SYS_WARNING && rssi >= WIFI_RSSI_NORMAL) {
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healthState = SYS_NORMAL;
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DEBUG_INFO("HEALTH", "WiFi RSSI 恢复: %d dBm >= %d dBm", rssi, WIFI_RSSI_NORMAL);
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logEvent("WIFI恢复", rssi);
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}
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return HEALTH_MON_OK;
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} |