188 lines
5.9 KiB
C
188 lines
5.9 KiB
C
#include "auto_alerts.h"
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#include "esp_check.h"
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#include "esp_log.h"
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#include "esp_timer.h"
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#include "freertos/FreeRTOS.h"
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static const char *TAG = "auto_alerts"; // 日志标签
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// 用于保护全局状态的自旋锁（临界区）
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static portMUX_TYPE s_alerts_lock = portMUX_INITIALIZER_UNLOCKED;
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// 用户注册的回调函数
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static auto_alert_callback_t s_callback = NULL;
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// 回调函数的用户上下文指针
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static void *s_user_ctx = NULL;
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// 土壤湿度告警是否已激活
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static bool s_soil_alarm_active = false;
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// 光照强度告警是否已激活
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static bool s_light_alarm_active = false;
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/**
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* @brief 发送自动告警事件
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*
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* @param metric 告警指标类型（如土壤湿度、光照强度）
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* @param state 告警状态（告警或恢复正常）
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* @param value 当前测量值
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* @param threshold 触发告警的阈值
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*/
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static void auto_alerts_emit(auto_alert_metric_t metric,
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auto_alert_state_t state,
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float value,
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float threshold)
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{
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auto_alert_event_t event = {
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.metric = metric,
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.state = state,
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.value = value,
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.threshold = threshold,
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.timestamp_ms = esp_timer_get_time() / 1000, // 转换为毫秒时间戳
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};
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auto_alert_callback_t callback = NULL;
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void *user_ctx = NULL;
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// 进入临界区，安全读取回调和上下文
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taskENTER_CRITICAL(&s_alerts_lock);
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callback = s_callback;
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user_ctx = s_user_ctx;
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taskEXIT_CRITICAL(&s_alerts_lock);
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if (callback != NULL)
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{
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callback(&event, user_ctx); // 调用用户注册的回调函数
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}
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// 打印日志信息
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ESP_LOGI(TAG,
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"alert metric=%d state=%d value=%.1f threshold=%.1f",
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(int)event.metric,
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(int)event.state,
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event.value,
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event.threshold);
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}
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/**
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* @brief 初始化自动告警模块
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*
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* 将所有告警状态重置为未激活。
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*/
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void auto_alerts_init(void)
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{
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taskENTER_CRITICAL(&s_alerts_lock);
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s_soil_alarm_active = false;
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s_light_alarm_active = false;
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taskEXIT_CRITICAL(&s_alerts_lock);
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}
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/**
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* @brief 注册自动告警回调函数
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*
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* @param callback 用户定义的回调函数
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* @param user_ctx 用户上下文指针
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* @return esp_err_t 总是返回 ESP_OK
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*/
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esp_err_t auto_alerts_register_callback(auto_alert_callback_t callback, void *user_ctx)
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{
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taskENTER_CRITICAL(&s_alerts_lock);
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s_callback = callback;
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s_user_ctx = user_ctx;
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taskEXIT_CRITICAL(&s_alerts_lock);
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return ESP_OK;
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}
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/**
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* @brief 根据当前传感器数据和阈值评估是否触发或解除告警
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*
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* @param soil_valid 土壤湿度数据是否有效
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* @param soil_moisture_pct 当前土壤湿度百分比
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* @param light_valid 光照数据是否有效
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* @param light_lux 当前光照强度（单位：lux）
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* @param thresholds 自动控制阈值配置结构体指针
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*/
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void auto_alerts_evaluate(bool soil_valid,
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float soil_moisture_pct,
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bool light_valid,
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float light_lux,
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const auto_ctrl_thresholds_t *thresholds)
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{
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if (thresholds == NULL)
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{
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return; // 阈值为空，直接返回
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}
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// 处理土壤湿度告警逻辑
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if (soil_valid)
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{
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bool emit_alarm = false; // 是否需要触发告警
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bool emit_recover = false; // 是否需要恢复通知
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taskENTER_CRITICAL(&s_alerts_lock);
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// 如果当前未告警，且土壤湿度低于启动水泵的阈值，则触发告警
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if (!s_soil_alarm_active && soil_moisture_pct < thresholds->pump_on_soil_below_pct)
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{
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s_soil_alarm_active = true;
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emit_alarm = true;
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}
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// 如果当前处于告警状态，且土壤湿度高于关闭水泵的阈值，则恢复
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else if (s_soil_alarm_active && soil_moisture_pct > thresholds->pump_off_soil_above_pct)
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{
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s_soil_alarm_active = false;
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emit_recover = true;
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}
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taskEXIT_CRITICAL(&s_alerts_lock);
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if (emit_alarm)
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{
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auto_alerts_emit(AUTO_ALERT_METRIC_SOIL_MOISTURE,
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AUTO_ALERT_STATE_ALARM,
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soil_moisture_pct,
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thresholds->pump_on_soil_below_pct);
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}
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if (emit_recover)
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{
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auto_alerts_emit(AUTO_ALERT_METRIC_SOIL_MOISTURE,
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AUTO_ALERT_STATE_NORMAL,
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soil_moisture_pct,
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thresholds->pump_off_soil_above_pct);
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}
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}
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// 处理光照强度告警逻辑
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if (light_valid)
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{
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bool emit_alarm = false; // 是否需要触发告警
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bool emit_recover = false; // 是否需要恢复通知
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taskENTER_CRITICAL(&s_alerts_lock);
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// 如果当前未告警，且光照强度低于开启补光灯的阈值，则触发告警
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if (!s_light_alarm_active && light_lux < thresholds->light_on_lux_below)
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{
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s_light_alarm_active = true;
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emit_alarm = true;
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}
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// 如果当前处于告警状态，且光照强度高于关闭补光灯的阈值，则恢复
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else if (s_light_alarm_active && light_lux > thresholds->light_off_lux_above)
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{
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s_light_alarm_active = false;
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emit_recover = true;
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}
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taskEXIT_CRITICAL(&s_alerts_lock);
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if (emit_alarm)
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{
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auto_alerts_emit(AUTO_ALERT_METRIC_LIGHT_INTENSITY,
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AUTO_ALERT_STATE_ALARM,
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light_lux,
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thresholds->light_on_lux_below);
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}
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if (emit_recover)
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{
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auto_alerts_emit(AUTO_ALERT_METRIC_LIGHT_INTENSITY,
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AUTO_ALERT_STATE_NORMAL,
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light_lux,
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thresholds->light_off_lux_above);
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}
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}
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} |