| /* |
| * Copyright (c) 2021 Grinn |
| * |
| * SPDX-License-Identifier: Apache-2.0 |
| */ |
| #ifndef ZEPHYR_INCLUDE_DT_BINDINGS_INA237_H_ |
| #define ZEPHYR_INCLUDE_DT_BINDINGS_INA237_H_ |
| |
| #include <zephyr/dt-bindings/dt-util.h> |
| |
| /* Operating Mode */ |
| #define INA237_OPER_MODE_SHUTDOWN 0x00 |
| #define INA237_OPER_MODE_BUS_VOLTAGE_TRIG 0x01 |
| #define INA237_OPER_MODE_SHUNT_VOLTAGE_TRIG 0x02 |
| #define INA237_OPER_MODE_SHUNT_BUS_VOLTAGE_TRIG 0x03 |
| #define INA237_OPER_MODE_TEMP_TRIG 0x04 |
| #define INA237_OPER_MODE_TEMP_BUS_VOLTAGE_TRIG 0x05 |
| #define INA237_OPER_MODE_TEMP_SHUNT_VOLTAGE_TRIG 0x06 |
| #define INA237_OPER_MODE_BUS_SHUNT_VOLTAGE_TEMP_TRIG 0x07 |
| #define INA237_OPER_MODE_BUS_VOLTAGE_CONT 0x09 |
| #define INA237_OPER_MODE_SHUNT_VOLTAGE_CONT 0x0A |
| #define INA237_OPER_MODE_SHUNT_BUS_VOLTAGE_CONT 0x0B |
| #define INA237_OPER_MODE_TEMP_CONT 0x0C |
| #define INA237_OPER_MODE_BUS_VOLTAGE_TEMP_CONT 0x0D |
| #define INA237_OPER_MODE_TEMP_SHUNT_VOLTAGE_CONT 0x0E |
| #define INA237_OPER_MODE_BUS_SHUNT_VOLTAGE_TEMP_CONT 0x0F |
| |
| /* Conversion time for bus, shunt and temp in micro-seconds */ |
| #define INA237_CONV_TIME_50 0x00 |
| #define INA237_CONV_TIME_84 0x01 |
| #define INA237_CONV_TIME_150 0x02 |
| #define INA237_CONV_TIME_280 0x03 |
| #define INA237_CONV_TIME_540 0x04 |
| #define INA237_CONV_TIME_1052 0x05 |
| #define INA237_CONV_TIME_2074 0x06 |
| #define INA237_CONV_TIME_4120 0x07 |
| |
| /* Averaging Mode */ |
| #define INA237_AVG_MODE_1 0x00 |
| #define INA237_AVG_MODE_4 0x01 |
| #define INA237_AVG_MODE_16 0x02 |
| #define INA237_AVG_MODE_64 0x03 |
| #define INA237_AVG_MODE_128 0x04 |
| #define INA237_AVG_MODE_256 0x05 |
| #define INA237_AVG_MODE_512 0x06 |
| #define INA237_AVG_MODE_1024 0x07 |
| |
| /* Reset Mode */ |
| #define INA237_RST_NORMAL_OPERATION 0x00 |
| #define INA237_RST_SYSTEM_RESET 0x01 |
| |
| /* Delay for initial ADC conversion in steps of 2 ms */ |
| #define INA237_INIT_ADC_DELAY_0_S 0x00 |
| #define INA237_INIT_ADC_DELAY_2_MS 0x01 |
| #define INA237_INIT_ADC_DELAY_510_MS 0xFF |
| |
| /* Shunt full scale range selection across IN+ and IN–. */ |
| #define INA237_ADC_RANGE_163_84 0x00 |
| #define INA237_ADC_RANGE_40_96 0x01 |
| |
| /** |
| * @brief Macro for creating the INA237 configuration value |
| * |
| * @param rst_mode Reset mode. |
| * @param convdly Delay for initial ADC conversion in steps of 2 ms. |
| * @param adc_range Shunt full scale range selection across IN+ and IN–. |
| * |
| */ |
| #define INA237_CONFIG(rst_mode, \ |
| convdly, \ |
| adc_range) \ |
| (((rst_mode) << 15) | ((convdly) << 6) | ((adc_range) << 4)) |
| |
| /** |
| * @brief Macro for creating the INA237 ADC configuration value |
| * |
| * @param mode Operating mode. |
| * @param vshct Conversion time for shunt voltage. |
| * @param vbusct Conversion time for bus voltage. |
| * @param vtct Conversion time for temperature. |
| * @param avg Averaging mode. |
| */ |
| #define INA237_ADC_CONFIG(mode, \ |
| vshct, \ |
| vbusct, \ |
| vtct, \ |
| avg) \ |
| (((mode) << 12) | ((vbusct) << 9) | ((vshct) << 6) | ((vtct) << 3) | (avg)) |
| |
| #endif /* ZEPHYR_INCLUDE_DT_BINDINGS_INA237_H_ */ |
