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esp32_Adafruit_BME280_Library
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Sign-extend Humidity Calibration H4/H5 data (Fixes #44)

This commit is contained in:
Dirk Mueller 2019-08-17 17:46:34 +02:00
parent f3fc9f61d9
commit 2149447f01
1 changed files with 2 additions and 2 deletions
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4
Adafruit_BME280.cpp
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@ -404,9 +404,9 @@ void Adafruit_BME280::readCoefficients(void) {
_bme280_calib.dig_H1 = read8(BME280_REGISTER_DIG_H1);
_bme280_calib.dig_H2 = readS16_LE(BME280_REGISTER_DIG_H2);
_bme280_calib.dig_H3 = read8(BME280_REGISTER_DIG_H3);
_bme280_calib.dig_H4 = (read8(BME280_REGISTER_DIG_H4) << 4) |
_bme280_calib.dig_H4 = ((int8_t)read8(BME280_REGISTER_DIG_H4) << 4) |
(read8(BME280_REGISTER_DIG_H4 + 1) & 0xF);
_bme280_calib.dig_H5 = (read8(BME280_REGISTER_DIG_H5 + 1) << 4) |
_bme280_calib.dig_H5 = ((int8_t)read8(BME280_REGISTER_DIG_H5 + 1) << 4) |
(read8(BME280_REGISTER_DIG_H5) >> 4);
_bme280_calib.dig_H6 = (int8_t)read8(BME280_REGISTER_DIG_H6);
}