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Plane: updated release notes for 3.8.5beta1

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Andrew Tridgell 2018-01-16 08:02:06 +11:00
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ArduPlane/release-notes.txt
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Release 3.8.5beta1, 16th January 2018
--------------------------------
This is a minor release with three new features, all related to
airspeed.
The first is to support the MS5525 sensor on multiple I2C
addresses. Two new values of the ARSDP_TYPE are introduced (4 and 5)
for specific I2C addresses. This allows you to deconflict the MS5525
from a MS5611 barometer on the same bus.
The second is the addition of a driver for the SDP33 airspeed
sensor. This is an interesting sensor sold by Drotek that doesn't need
zero offset calibration for each flight. It is still considered
experimental.
The third new feature is dual airspeed sensor support, which allows
you to have two independent airspeed sensors. At the moment the
failover between the sensors is very simple (it will only failover if
the primary stops communicating). More sophisticated failover methods
will be introduced in the future. To enable a 2nd airspeed sensor set
the ARSPD2_TYPE parameter to the type of the 2nd sensor. You can
combine any types of sensor.
Release 3.8.4, 9th January 2018
-------------------------------