完成了WIFI连接，MQTT订阅发布，光照监测，温湿度数据，继电器控制

2026-04-19 19:30:52 +08:00
commit 8548f04733
32 changed files with 2831 additions and 0 deletions
--- a/components/bh1750/include/bh1750.h
+++ b/components/bh1750/include/bh1750.h
@@ -0,0 +1,136 @@
+/*
+ * SPDX-FileCopyrightText: 2015-2025 Espressif Systems (Shanghai) CO LTD
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+/**
+ * @file
+ * @brief BH1750 driver
+ */
+
+#pragma once
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#include "driver/i2c_types.h"
+#include "esp_err.h"
+
+typedef enum {
+    BH1750_CONTINUE_1LX_RES       = 0x10,   /*!< Command to set measure mode as Continuously H-Resolution mode*/
+    BH1750_CONTINUE_HALFLX_RES    = 0x11,   /*!< Command to set measure mode as Continuously H-Resolution mode2*/
+    BH1750_CONTINUE_4LX_RES       = 0x13,   /*!< Command to set measure mode as Continuously L-Resolution mode*/
+    BH1750_ONETIME_1LX_RES        = 0x20,   /*!< Command to set measure mode as One Time H-Resolution mode*/
+    BH1750_ONETIME_HALFLX_RES     = 0x21,   /*!< Command to set measure mode as One Time H-Resolution mode2*/
+    BH1750_ONETIME_4LX_RES        = 0x23,   /*!< Command to set measure mode as One Time L-Resolution mode*/
+} bh1750_measure_mode_t;
+
+#define BH1750_I2C_ADDRESS_DEFAULT   (0x23)
+typedef void *bh1750_handle_t;
+
+/**
+ * @brief Set bh1750 as power down mode (low current)
+ *
+ * @param sensor object handle of bh1750
+ *
+ * @return
+ *     - ESP_OK Success
+ *     - ESP_FAIL Fail
+ */
+esp_err_t bh1750_power_down(bh1750_handle_t sensor);
+
+/**
+ * @brief Set bh1750 as power on mode
+ *
+ * @param sensor object handle of bh1750
+ *
+ * @return
+ *     - ESP_OK Success
+ *     - ESP_FAIL Fail
+ */
+esp_err_t bh1750_power_on(bh1750_handle_t sensor);
+
+/**
+ * @brief Get light intensity from bh1750
+ *
+ * @param     sensor object handle of bh1750
+ * @param[in] cmd_measure the instruction to set measurement mode
+ *
+ * @note
+ *        You should call this funtion to set measurement mode before call bh1750_get_data() to acquire data.
+ *        If you set onetime mode, you just can get one measurement result.
+ *        If you set continuous mode, you can call bh1750_get_data() to acquire data repeatedly.
+ *
+ * @return
+ *     - ESP_OK Success
+ *     - ESP_FAIL Fail
+ */
+esp_err_t bh1750_set_measure_mode(bh1750_handle_t sensor, const bh1750_measure_mode_t cmd_measure);
+
+/**
+ * @brief Get light intensity from BH1750
+ *
+ * Returns light intensity in [lx] corrected by typical BH1750 Measurement Accuracy (= 1.2).
+ *
+ * @see BH1750 datasheet Rev. D page 2
+ *
+ * @note
+ *        You should acquire data from the sensor after the measurement time is over,
+ *        so take care of measurement time in different modes.
+ *
+ * @param      sensor object handle of bh1750
+ * @param[out] data light intensity value got from bh1750 in [lx]
+ *
+ * @return
+ *     - ESP_OK Success
+ *     - ESP_FAIL Fail
+ */
+esp_err_t bh1750_get_data(bh1750_handle_t sensor, float *const data);
+
+/**
+ * @brief Set measurement time
+ *
+ * This function is used to adjust BH1750 sensitivity, i.e. compensating influence from optical window.
+ *
+ * @see BH1750 datasheet Rev. D page 11
+ *
+ * @param     sensor object handle of bh1750
+ * @param[in] measure_time measurement time
+ *
+ * @return
+ *     - ESP_OK Success
+ *     - ESP_FAIL Fail
+ */
+esp_err_t bh1750_set_measure_time(bh1750_handle_t sensor, const uint8_t measure_time);
+
+/**
+ * @brief Create and init sensor object and return a sensor handle
+ *
+ * @param[in]  i2c_bus    I2C bus handle. Obtained from i2c_new_master_bus().s
+ * @param[in]  dev_addr   I2C device address of sensor. Use BH1750_I2C_ADDRESS_DEFAULT for default address.
+ * @param[out] handle_ret Handle to created BH1750 driver object.
+ *
+ * @return
+ *     - ESP_OK Success
+ *     - ESP_ERR_NO_MEM Not enough memory for the driver
+ *     - ESP_ERR_NOT_FOUND Sensor not found on the I2C bus
+ *     - Others Error from underlying I2C driver
+ */
+esp_err_t bh1750_create(i2c_master_bus_handle_t i2c_bus, const uint8_t dev_addr, bh1750_handle_t *handle_ret);
+
+/**
+ * @brief Delete and release a sensor object
+ *
+ * @param sensor object handle of bh1750
+ *
+ * @return
+ *     - ESP_OK Success
+ *     - ESP_FAIL Fail
+ */
+esp_err_t bh1750_delete(bh1750_handle_t sensor);
+
+#ifdef __cplusplus
+}
+#endif