pzem004t.h

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/*
 * Copyright (c) 2025 Srishtik Bhandarkar
 *
 * SPDX-License-Identifier: Apache-2.0
 */
 
#ifndef ZEPHYR_INCLUDE_DRIVERS_SENSOR_PZEM004T_H_
#define ZEPHYR_INCLUDE_DRIVERS_SENSOR_PZEM004T_H_
 
#include <zephyr/drivers/sensor.h>
 
/* PZEM004T specific channels */
enum sensor_channel_pzem004t {
        /* Energy corresponds to active power accumulated over time.
         * Units: 1Wh (Watt-hours)
         */
        SENSOR_CHAN_PZEM004T_ENERGY = SENSOR_CHAN_PRIV_START,
        /* Power factor is defined as ratio of real power to apparent power 0.  01 resolution.
         * Unit: No unit
         */
        SENSOR_CHAN_PZEM004T_POWER_FACTOR,
        /* Alarm status is 0xFF when current active power is greater than power alarm threshold.
         * 0x00 when current power is less than power alarm threshold.
         * Unit: No unit
         */
        SENSOR_CHAN_PZEM004T_ALARM_STATUS,
        /* Active Power above which the power alarm threshold is set.
         * Unit: 1W (Watts)
         */
        SENSOR_CHAN_PZEM004T_POWER_ALARM_THRESHOLD,
        /* Unique Modbus address of each pzem004t device on the modbus. Only use this
         * to set individual modbus address by connecteing each device individually.
         */
        SENSOR_CHAN_PZEM004T_MODBUS_RTU_ADDRESS,
        /* Channel used to set the Modbus address of pzem004t device for the device instance.
         * This does not set the modbus address of the device. It is used to set the
         * modbus address of the device instance only for the driver.
         */
        SENSOR_CHAN_PZEM004T_ADDRESS_INST_SET,
        /* Channel used to reset the Energy counter of the pzem004t sensor. Please enable
         * the CONFIG_PZEM004T_ENABLE_RESET_ENERGY option in prj.conf in application to
         * use the channel.
         */
        SENSOR_CHAN_PZEM004T_RESET_ENERGY,
};
enum sensor_channel_pzem004t {…};
 
enum sensor_attribute_pzem004t {
        /* Active Power above which the power alarm threshold is set.
         * Unit: 1W (Watts)
         */
        SENSOR_ATTR_PZEM004T_POWER_ALARM_THRESHOLD = SENSOR_ATTR_PRIV_START,
        /* Unique Modbus address of each pzem004t device on the modbus. Only use this
         * to set individual modbus address by connecteing each device individually.
         */
        SENSOR_ATTR_PZEM004T_MODBUS_RTU_ADDRESS,
        /* Attribute used to set the Modbus address of pzem004t device for the device instance.
         * This does not set the modbus address of the device. It is used to set the
         * modbus address of the device instance only for the driver.
         */
        SENSOR_ATTR_PZEM004T_ADDRESS_INST_SET,
        /* Attribute used to reset the Energy counter of the pzem004t sensor. Please enable
         * the CONFIG_PZEM004T_ENABLE_RESET_ENERGY option in prj.conf in appplicationtn
         * use the channel.
         */
        SENSOR_ATTR_PZEM004T_RESET_ENERGY,
};
enum sensor_attribute_pzem004t {…};
 
#endif /* ZEPHYR_INCLUDE_DRIVERS_SENSOR_PZEM004T_H_ */