Ken Van Hoeylandt
34 lines
968 B
C
34 lines
968 B
C
// SPDX-License-Identifier: Apache-2.0
|
|
#pragma once
|
|
|
|
#include <stdbool.h>
|
|
#include <stdint.h>
|
|
#include <tactility/error.h>
|
|
|
|
struct Device;
|
|
|
|
#ifdef __cplusplus
|
|
extern "C" {
|
|
#endif
|
|
|
|
struct Ina226Config {
|
|
uint8_t address;
|
|
uint16_t shunt_milliohms;
|
|
/** Expose a power-supply child device that reports battery voltage/capacity off the bus voltage reading */
|
|
bool power_supply;
|
|
/** Battery voltage (mV) considered 100% capacity, used to derive POWER_SUPPLY_PROP_CAPACITY */
|
|
uint32_t power_supply_reference_voltage_mv;
|
|
/** Battery voltage (mV) considered 0% capacity, used to derive POWER_SUPPLY_PROP_CAPACITY */
|
|
uint32_t power_supply_min_voltage_mv;
|
|
};
|
|
|
|
/** Bus voltage in volts (1.25 mV/LSB) */
|
|
error_t ina226_read_bus_voltage(struct Device* device, float* volts);
|
|
|
|
/** Shunt current in amps (positive = charging, negative = discharging) */
|
|
error_t ina226_read_shunt_current(struct Device* device, float* amps);
|
|
|
|
#ifdef __cplusplus
|
|
}
|
|
#endif
|