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pressure calculation for bme680 gives wrong results #121

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daschr opened this issue Sep 11, 2020 · 1 comment
Closed
7 tasks done

pressure calculation for bme680 gives wrong results #121

daschr opened this issue Sep 11, 2020 · 1 comment

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@daschr
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daschr commented Sep 11, 2020

Device type

  • ESP32
  • ESP8226

Framework version

  • ESP-IDF latest master
  • ESP-IDF 3.2.x
  • ESP-IDF 3.3.x
  • ESP8266 RTOS SDK latest master
  • ESP8266 RTOS SDK 3.2

Describe the bug

I've noticed that the measured pressure is ~20hPa higher than the real one.
After looking at BME680_driver of BoschSensortec and the one of esp-idf-lib, I realised that the calculation is wrong.
After changing bme680_convert_pressure to the calculation used by Bosch, the values are now right.
@daschr daschr mentioned this issue Sep 11, 2020
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@UncleRus
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Thank you!

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@UncleRus @daschr