Move plugins to external folder

applications/external/lightmeter/lib/BH1750/BH1750.h

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+/**
+ * @file BH1750.h
+ * @author Oleksii Kutuzov (oleksii.kutuzov@icloud.com)
+ * @brief 
+ * @version 0.1
+ * @date 2022-11-06
+ * 
+ * @copyright Copyright (c) 2022
+ * 
+ * Ported from:
+ * https://github.com/lamik/Light_Sensors_STM32
+ */
+
+#include <furi.h>
+#include <furi_hal.h>
+
+#ifndef BH1750_H_
+#define BH1750_H_
+
+// I2C BUS
+#define I2C_BUS &furi_hal_i2c_handle_external
+#define I2C_TIMEOUT 10
+
+#define BH1750_ADDRESS (0x23 << 1)
+
+#define BH1750_POWER_DOWN 0x00
+#define BH1750_POWER_ON 0x01
+#define BH1750_RESET 0x07
+#define BH1750_DEFAULT_MTREG 69
+#define BH1750_DEFAULT_MODE ONETIME_HIGH_RES_MODE
+
+#define BH1750_CONVERSION_FACTOR 1.2
+
+typedef enum { BH1750_OK = 0, BH1750_ERROR = 1 } BH1750_STATUS;
+
+typedef enum {
+    CONTINUOUS_HIGH_RES_MODE = 0x10,
+    CONTINUOUS_HIGH_RES_MODE_2 = 0x11,
+    CONTINUOUS_LOW_RES_MODE = 0x13,
+    ONETIME_HIGH_RES_MODE = 0x20,
+    ONETIME_HIGH_RES_MODE_2 = 0x21,
+    ONETIME_LOW_RES_MODE = 0x23
+} BH1750_mode;
+
+/**
+ * @brief Initialize the sensor. Sends the reset command and sets the measurement register to the default value.
+ * 
+ * @return BH1750_STATUS
+ */
+BH1750_STATUS bh1750_init();
+
+/**
+ * @brief Change the I2C device address and then initialize the sensor.
+ * 
+ * @return BH1750_STATUS
+ */
+BH1750_STATUS bh1750_init_with_addr(uint8_t addr);
+
+/**
+ * @brief Reset all registers to the default value.
+ * 
+ * @return BH1750_STATUS 
+ */
+BH1750_STATUS bh1750_reset();
+
+/**
+ * @brief Sets the power state. 1 - running; 0 - sleep, low power. 
+ * 
+ * @param PowerOn sensor state.
+ * @return BH1750_STATUS 
+ */
+BH1750_STATUS bh1750_set_power_state(uint8_t PowerOn);
+
+/**
+ * @brief Set the Measurement Time register. It allows to increase or decrease the sensitivity.
+ * 
+ * @param MTreg value from 31 to 254, defaults to 69.
+ * 
+ * @return BH1750_STATUS 
+ */
+BH1750_STATUS bh1750_set_mt_reg(uint8_t MTreg);
+
+/**
+ * @brief Set the mode of converting. Look into the bh1750_mode enum.
+ * 
+ * @param Mode mode enumerator
+ * @return BH1750_STATUS 
+ */
+BH1750_STATUS bh1750_set_mode(BH1750_mode Mode);
+
+/**
+ * @brief Trigger the conversion in manual modes. 
+ * 
+ * @details a low-resolution mode, the conversion time is typically 16 ms, and for a high-resolution 
+ * mode is 120 ms. You need to wait until reading the measurement value. There is no need 
+ * to exit low-power mode for manual conversion. It makes automatically.
+ * 
+ * @return BH1750_STATUS 
+ */
+BH1750_STATUS bh1750_trigger_manual_conversion();
+
+/**
+ * @brief Read the converted value and calculate the result.
+ * 
+ * @param Result stores received value to this variable.
+ * @return BH1750_STATUS 
+ */
+BH1750_STATUS bh1750_read_light(float* Result);
+
+#endif /* BH1750_H_ */