AP_RangeFinder: Add GRF250 serial driver #30043
Draft
+335
−1
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The driver works but not ready for a review yet, what I hope to do in the next few days:
Abstract out the transport layer so that the same driver can be used for both serial and I2c based communication. However, I2c does not support streaming of data, and distance must be requested.
Refactor and clean up
Some flight testing