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components/peripherals/include/energy_meter.h

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+#ifndef ENERGY_METER_H_
+#define ENERGY_METER_H_
+
+#include <stdbool.h>
+#include <stdint.h>
+#include "esp_err.h"
+
+/**
+ * @brief Grid energy meter model
+ *
+ */
+
+typedef enum
+{
+    ENERGY_METER_NONE,
+    ENERGY_METER_ORNO_515,
+    ENERGY_METER_ORNO_517,
+} meter_model_t;
+
+/**
+ * @brief Initialize energy meter
+ *
+ */
+void energy_meter_init(void);
+
+/**
+ * @brief Get state of energy meter
+ *
+ * @return bool
+ */
+bool meter_get_state(void);
+
+/**
+ * @brief Get mode of energy meter, stored in NVS
+ *
+ * @return meter_model_t
+ */
+meter_model_t meter_get_model(void);
+
+/**
+ * @brief Set mode of energy meter, stored in NVS
+ *
+ * @param mode
+ * @return esp_err_t
+ */
+esp_err_t meter_set_model(meter_model_t mode);
+
+
+/**
+ * @brief Start energy meter session, if not started
+ *
+ */
+void energy_meter_start_session(void);
+
+/**
+ * @brief Stop energy meter session, if not stopped
+ *
+ */
+void energy_meter_stop_session(void);
+
+/**
+ * @brief Process energy meter
+ *
+ * @param charging
+ * @param charging_current
+ */
+void energy_meter_process(bool charging, uint16_t charging_current);
+
+/**
+ * @brief Get session actual power
+ *
+ * @return Power in W
+ */
+uint32_t energy_meter_get_power(void);
+
+/**
+ * @brief Get session time
+ *
+ * @return Time in s
+ */
+uint32_t energy_meter_get_session_time(void);
+
+/**
+ * @brief Get charging time
+ *
+ * @return Time in s
+ */
+uint32_t energy_meter_get_charging_time(void);
+
+/**
+ * @brief Get session consumption
+ *
+ * @return Consumption in Wh
+ */
+uint32_t energy_meter_get_consumption(void);
+
+/**
+ * @brief After energy_meter_process, get current measured voltage
+ *
+ * @param voltage Output array of 3 items, values in V
+ */
+void energy_meter_get_voltage(float *voltage);
+
+/**
+ * @brief Cet current measured voltage on L1
+ *
+ * @return Voltage in V
+ */
+float energy_meter_get_l1_voltage(void);
+
+/**
+ * @brief Cet current measured voltage on L2
+ *
+ * @return Voltage in V
+ */
+float energy_meter_get_l2_voltage(void);
+
+/**
+ * @brief Cet current measured voltage on L3
+ *
+ * @return Voltage in V
+ */
+float energy_meter_get_l3_voltage(void);
+
+/**
+ * @brief After energy_meter_process, get current measured current
+ *
+ * @param voltage Output array of 3 items, values in A
+ */
+void energy_meter_get_current(float *current);
+
+/**
+ * @brief Cet current measured current on L1
+ *
+ * @return Voltage in V
+ */
+float energy_meter_get_l1_current(void);
+
+/**
+ * @brief Cet current measured current on L2
+ *
+ * @return Voltage in V
+ */
+float energy_meter_get_l2_current(void);
+
+/**
+ * @brief Cet current measured current on L3
+ *
+ * @return Voltage in V
+ */
+float energy_meter_get_l3_current(void);
+
+/**
+ * @brief Serialize to string
+ *
+ * @param mode
+ * @return const char*
+ */
+const char *meter_model_to_str(meter_model_t mode);
+
+/**
+ * @brief Parse from string
+ *
+ * @param str
+ * @return meter_model_t
+ */
+meter_model_t meter_str_to_model(const char *str);
+
+
+/**
+ * @brief Serialize to string
+ *
+ * @param mode
+ * @return const char*
+ */
+const char *meter_state_to_str(bool state);
+
+
+#endif /* ENERGY_METER_H_ */