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Issue #424: Enables humidity readings in the BME280 driver by enforcing the write to the 'ctrl_meas' register, as per Section 5.4.3 of the BME280 data sheet

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Signed-off-by: Graeme Cross <graeme@ceriumdesigns.com>
This commit is contained in:
Graeme Cross 2017-05-31 16:59:15 +10:00 committed by deadprogram
parent dcd861ed6e
commit 18cfa16cc7
1 changed files with 2 additions and 0 deletions
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drivers/i2c/bme280_driver.go
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@ -7,6 +7,7 @@ import (
) )
const bme280RegisterControlHumidity = 0xF2 const bme280RegisterControlHumidity = 0xF2
const bme280RegisterControl = 0xf4
const bme280RegisterHumidityMSB = 0xFD const bme280RegisterHumidityMSB = 0xFD
const bme280RegisterCalibDigH1 = 0xa1 const bme280RegisterCalibDigH1 = 0xa1
const bme280RegisterCalibDigH2LSB = 0xe1 const bme280RegisterCalibDigH2LSB = 0xe1
@ -113,6 +114,7 @@ func (d *BME280Driver) initHumidity() (err error) {
d.hc.h5 = 0 + (int16(addrE6) << 4) | (int16(addrE5) >> 4) d.hc.h5 = 0 + (int16(addrE6) << 4) | (int16(addrE5) >> 4)
d.connection.WriteByteData(bme280RegisterControlHumidity, 0x3F) d.connection.WriteByteData(bme280RegisterControlHumidity, 0x3F)
d.connection.WriteByteData(bmp280RegisterControl, 0x3F)
return nil return nil
} }