1 /* 2 * Copyright (c) 2021 Grinn 3 * 4 * SPDX-License-Identifier: Apache-2.0 5 */ 6 7 #ifndef ZEPHYR_DRIVERS_SENSOR_INA23X_INA237_H_ 8 #define ZEPHYR_DRIVERS_SENSOR_INA23X_INA237_H_ 9 10 #include "ina23x_trigger.h" 11 12 #include <stdint.h> 13 14 #include <zephyr/device.h> 15 #include <zephyr/drivers/gpio.h> 16 #include <zephyr/drivers/i2c.h> 17 #include <zephyr/drivers/sensor.h> 18 19 #define INA237_REG_CONFIG 0x00 20 #define INA237_CFG_HIGH_PRECISION BIT(4) 21 22 #define INA237_REG_ADC_CONFIG 0x01 23 #define INA237_REG_CALIB 0x02 24 #define INA237_REG_SHUNT_VOLT 0x04 25 #define INA237_REG_BUS_VOLT 0x05 26 #define INA237_REG_DIETEMP 0x06 27 #define INA237_REG_CURRENT 0x07 28 #define INA237_REG_POWER 0x08 29 #define INA237_REG_ALERT 0x0B 30 #define INA237_REG_SOVL 0x0C 31 #define INA237_REG_SUVL 0x0D 32 #define INA237_REG_BOVL 0x0E 33 #define INA237_REG_BUVL 0x0F 34 #define INA237_REG_TEMP_LIMIT 0x10 35 #define INA237_REG_PWR_LIMIT 0x11 36 #define INA237_REG_MANUFACTURER_ID 0x3E 37 38 #define INA237_MANUFACTURER_ID 0x5449 39 40 struct ina237_data { 41 const struct device *dev; 42 int16_t current; 43 uint16_t bus_voltage; 44 uint32_t power; 45 int16_t die_temp; 46 #ifdef CONFIG_INA237_VSHUNT 47 int16_t shunt_voltage; 48 #endif 49 enum sensor_channel chan; 50 struct ina23x_trigger trigger; 51 }; 52 53 struct ina237_config { 54 struct i2c_dt_spec bus; 55 uint16_t config; 56 uint16_t adc_config; 57 uint32_t current_lsb; 58 uint16_t cal; 59 const struct gpio_dt_spec alert_gpio; 60 uint16_t alert_config; 61 }; 62 63 #endif /* ZEPHYR_DRIVERS_SENSOR_INA23X_INA237_H_ */ 64
