ccollins476ad opened a new pull request #1260: hw/sensor: Limit a sensor to one error callback URL: https://github.com/apache/mynewt-core/pull/1260 ### Prior to this PR each sensor had a list of "error listeners." Each listener was associated with one or more sensor data types via a bitmap. When a read error occurred, the sensor manager would notify each error listener whose bitmap shared at least one set bit with the bitmap indicating the type of data being read. The idea was that the application could attach different behaviors to read errors, depending on the type of data that the sensor failed to read. However, this idea was misguided, because when a driver's read callback reports failure, the sensor manager doesn't know the specific type of data that was being read when the error occurred. So, all the sensor manager can tell the application is that there was an error communicating with a particular sensor. ### After PR Each sensor has only a single error callback. If a communication error occurs during sample collection, this callback gets called (if configured). The callback no longer has a data type bitmap.
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