zephyr_vnd7050aj_driver/include/zephyr/drivers/misc/vnd7050aj/vnd7050aj.h

75 lines
2.3 KiB
C

/*
* Copyright (c) 2025, Eduard Iten
* SPDX-License-Identifier: Apache-2.0
*/
#ifndef ZEPHYR_INCLUDE_DRIVERS_MISC_VND7050AJ_H_
#define ZEPHYR_INCLUDE_DRIVERS_MISC_VND7050AJ_H_
#include <zephyr/device.h>
#include <zephyr/kernel.h>
#ifdef __cplusplus
extern "C" {
#endif
/**
* @brief Channel identifiers for the VND7050AJ.
*/
#define VND7050AJ_CHANNEL_0 0
#define VND7050AJ_CHANNEL_1 1
/**
* @brief Sets the state of a specific output channel.
*
* @param dev Pointer to the device structure for the driver instance.
* @param channel The channel to control (VND7050AJ_CHANNEL_0 or VND7050AJ_CHANNEL_1).
* @param state The desired state (true for ON, false for OFF).
* @return 0 on success, negative error code on failure.
*/
int vnd7050aj_set_output_state(const struct device *dev, uint8_t channel, bool state);
/**
* @brief Reads the load current for a specific channel.
*
* @param dev Pointer to the device structure for the driver instance.
* @param channel The channel to measure (VND7050AJ_CHANNEL_0 or VND7050AJ_CHANNEL_1).
* @param[out] current_ma Pointer to store the measured current in milliamperes (mA).
* @return 0 on success, negative error code on failure.
*/
int vnd7050aj_read_load_current(const struct device *dev, uint8_t channel, int32_t *current_ma);
/**
* @brief Reads the VCC supply voltage.
*
* @param dev Pointer to the device structure for the driver instance.
* @param[out] voltage_mv Pointer to store the measured voltage in millivolts (mV).
* @return 0 on success, negative error code on failure.
*/
int vnd7050aj_read_supply_voltage(const struct device *dev, int32_t *voltage_mv);
/**
* @brief Reads the internal chip temperature.
*
* @param dev Pointer to the device structure for the driver instance.
* @param[out] temp_c Pointer to store the measured temperature in degrees Celsius (°C).
* @return 0 on success, negative error code on failure.
*/
int vnd7050aj_read_chip_temp(const struct device *dev, int32_t *temp_c);
/**
* @brief Resets a latched fault condition.
*
* This function sends a low pulse to the FaultRST pin.
*
* @param dev Pointer to the device structure for the driver instance.
* @return 0 on success, negative error code on failure.
*/
int vnd7050aj_reset_fault(const struct device *dev);
#ifdef __cplusplus
}
#endif
#endif /* ZEPHYR_INCLUDE_DRIVERS_MISC_VND7050AJ_H_ */