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Use Bosch BMP280, BME280, and BME680 sensors in Elixir

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bmp280 test bmp280 sensor bme680_sensor_test.exs
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test/bmp280/sensor/bme680_sensor_test.exs 

defmodule BMP280.BME680SensorTest do

  use ExUnit.Case

  alias BMP280.BME680Sensor

  doctest BMP280.BME680Sensor



  @bme680_calibration %{

    type: :bme680,

    par_t1: 26_195,

    par_t2: 26_290,

    par_t3: 3,

    par_p1: 35_395,

    par_p2: -10_405,

    par_p3: 88,

    par_p4: 4836,

    par_p5: -118,

    par_p6: 30,

    par_p7: 26,

    par_p8: -765,

    par_p9: -3367,

    par_p10: 30,

    par_h1: 717,

    par_h2: 1021,

    par_h3: 0,

    par_h4: 45,

    par_h5: 20,

    par_h6: 120,

    par_h7: -100,

    par_gh1: -30,

    par_gh2: -5969,

    par_gh3: 18,

    range_switching_error: 1,

    res_heat_val: 50,

    res_heat_range: 1

  }



  test "bme680 calculations" do

    raw_samples = <<393_705::20, 0::4, 480_732::20, 0::4, 16_820::16, 666::10, 0::2, 11::4>>

    state = %{calibration: @bme680_calibration, sea_level_pa: 100_000}



    measurement = BME680Sensor.measurement_from_raw_samples(raw_samples, state)



    assert_in_delta 19.3113, measurement.temperature_c, 0.0001

    assert_in_delta 100_977.52, measurement.pressure_pa, 0.01

    assert_in_delta 25.2, measurement.humidity_rh, 0.1

    assert_in_delta -1.1, measurement.dew_point_c, 0.1

    assert_in_delta 3503.6322, measurement.gas_resistance_ohms, 0.0001

  end

end