55 lines
1.3 KiB
C
55 lines
1.3 KiB
C
/*
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* Copyright 2021 The Chromium OS Authors
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* Copyright (c) 2021 Grinn
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*
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* SPDX-License-Identifier: Apache-2.0
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*/
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#ifndef ZEPHYR_DRIVERS_SENSOR_INA23X_INA230_H_
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#define ZEPHYR_DRIVERS_SENSOR_INA23X_INA230_H_
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#include <zephyr/drivers/gpio.h>
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#include <zephyr/drivers/i2c.h>
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#define INA230_REG_CONFIG 0x00
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#define INA230_REG_SHUNT_VOLT 0x01
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#define INA230_REG_BUS_VOLT 0x02
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#define INA230_REG_POWER 0x03
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#define INA230_REG_CURRENT 0x04
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#define INA230_REG_CALIB 0x05
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#define INA230_REG_MASK 0x06
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#define INA230_REG_ALERT 0x07
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struct ina230_data {
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const struct device *dev;
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uint16_t current;
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uint16_t bus_voltage;
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uint16_t power;
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#ifdef CONFIG_INA230_TRIGGER
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const struct device *gpio;
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struct gpio_callback gpio_cb;
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struct k_work work;
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sensor_trigger_handler_t handler_alert;
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#endif /* CONFIG_INA230_TRIGGER */
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};
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struct ina230_config {
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struct i2c_dt_spec bus;
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uint16_t config;
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uint16_t current_lsb;
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uint16_t rshunt;
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#ifdef CONFIG_INA230_TRIGGER
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bool trig_enabled;
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uint16_t mask;
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const struct gpio_dt_spec gpio_alert;
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uint16_t alert_limit;
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#endif /* CONFIG_INA230_TRIGGER */
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};
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int ina230_trigger_mode_init(const struct device *dev);
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int ina230_trigger_set(const struct device *dev,
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const struct sensor_trigger *trig,
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sensor_trigger_handler_t handler);
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#endif /* ZEPHYR_DRIVERS_SENSOR_INA23X_INA230_H_ */
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