mcp3421

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import sys
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from machine import I2C, Pin
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from sensor_pack_2.bus_service import I2cAdapter
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import mcp3421mod
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import time
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if __name__ == '__main__':
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    i2c = I2C(id=1, scl=Pin(7), sda=Pin(6), freq=400_000)  # on Raspberry Pi Pico
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    adapter = I2cAdapter(i2c)
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    adc = mcp3421mod.Mcp342X(adapter)
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    print("---Одиночный режим измерения---")
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    my_gain = 0
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    my_data_rate = 2
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    adc.start_measurement(single_shot=True, data_rate_raw=my_data_rate, gain_raw=my_gain,
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                          channel=0, differential_channel=True)
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    print("---Основные 'сырые' настройки датчика---")
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    gp = adc.get_general_raw_props()
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    print(gp)
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    print(16 * "--")
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    td = adc.get_conversion_cycle_time()
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    print(f"Время преобразования [мкс]: {td}")
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    print(f"Бит в отсчете: {adc.current_resolution}")
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    print(f"PGA: {adc.gain}")
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    print(16 * "--")
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    for _ in range(33):
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        time.sleep_us(td)
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        # print(f"value: {adc.value}; raw: {adc.get_value(raw=True)}")
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        val = adc.get_value(raw=False)
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        # lsb = adc.get_lsb()
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        # print(f"value: {val};\tLSB [Вольт]: {lsb}")
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        # val = adc.get_raw_value_ex()
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        print(f"Напряжение: {val} Вольт")
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        adc.start_measurement(single_shot=True, data_rate_raw=my_data_rate, gain_raw=my_gain,
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                              channel=0, differential_channel=True)
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    print(16 * "--")
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    print("Автоматический режим измерений АЦП")
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    print(16 * "--")
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    adc.start_measurement(single_shot=False, data_rate_raw=my_data_rate, gain_raw=my_gain,
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                          channel=0, differential_channel=True)
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    td = adc.get_conversion_cycle_time()
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    time.sleep_us(td)
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    print(f"Время преобразования [мкс]: {td}")
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    print(f"Бит в отсчете: {adc.current_resolution}")
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    _cnt, _max = 0, 333333
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    for voltage in adc:
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        print(f"Напряжение: {voltage} Вольт")
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        if _cnt > _max:
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            sys.exit(0)
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        time.sleep_us(td)
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        _cnt += 1
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