46 lines
1.4 KiB
Python
46 lines
1.4 KiB
Python
# SPDX-FileCopyrightText: Copyright (c) 2025 Liz Clark for Adafruit Industries
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#
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# SPDX-License-Identifier: MIT
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"""Adafruit CircuitPython INA23x Simpletest"""
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import time
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import adafruit_ina228
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import board
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import adafruit_ina23x
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# Create I2C bus
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i2c = board.I2C()
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# Create INA237/238 instance
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ina23x = adafruit_ina23x.INA23X(i2c)
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# Configure the sensor (optional - these are just examples)
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# ina23x.set_calibration(0.015, 10.0) # Default values
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# ina23x.mode = adafruit_ina228.Mode.CONTINUOUS # Already default
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# ina23x.averaging_count = adafruit_ina228.AveragingCount.COUNT_4
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conv_times = [50, 84, 150, 280, 540, 1052, 2074, 4120]
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avg_counts = [1, 4, 16, 64, 128, 256, 512, 1024]
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print("CircuitPython INA23x Test")
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print(f"Bus conversion time: {conv_times[ina23x.bus_voltage_conv_time]} microseconds")
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print(f"Shunt conversion time: {conv_times[ina23x.shunt_voltage_conv_time]} microseconds")
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print(f"Samples averaged: {avg_counts[ina23x.averaging_count]}")
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print()
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while True:
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print(f"Current: {ina23x.current * 1000:.2f} mA")
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print(f"Bus Voltage: {ina23x.bus_voltage:.2f} V")
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print(f"Shunt Voltage: {ina23x.shunt_voltage * 1000:.2f} mV")
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print(f"Power: {ina23x.power * 1000:.2f} mW")
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print(f"Temperature: {ina23x.die_temperature:.2f} °C")
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print()
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# Check if conversion is ready (useful in triggered mode)
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# if ina23x.conversion_ready:
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# print("Conversion ready!")
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time.sleep(2)
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