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Commit Graph

63 Commits

Author SHA1 Message Date
Andrew Tridgell 2d9637c156 AP_Terrain: re-arrange disk IO code 
add some comments explaining split between IO thread and main code
 2014-07-24 21:46:07 +10:00
Andrew Tridgell ee04c7de96 AP_Terrain: hold home location as a special location 
this ensures home altitude is always available
 2014-07-24 21:46:06 +10:00
Andrew Tridgell 0a3aa23619 AP_Terrain: fixed build on APM2 2014-07-24 21:46:06 +10:00
Andrew Tridgell 2f0279659a AP_Terrain: prevent disk blocks getting stuck 
we need to match first on the expected state to ensure we don't get an
invalid block
 2014-07-24 21:46:06 +10:00
Andrew Tridgell 28d6e39c4c AP_Terrain: added checking of block CRCs on disk 
this allows us to cope with SD card data corruption
 2014-07-24 21:46:06 +10:00
Andrew Tridgell eeb4ad56bc AP_Terrain: added checking and reporting messages 
this allows the GCS to check the status of the terrain system
 2014-07-24 21:45:56 +10:00
Andrew Tridgell 9f76f0276f AP_Terrain: added disk IO for terrain data 2014-07-24 21:45:56 +10:00
Andrew Tridgell 09214680fe AP_Terrain: request grids around current grid 
this ensures we have grids ahead of time
 2014-07-24 21:45:56 +10:00
Andrew Tridgell 18e09c2f3e AP_Terrain: added debug code 2014-07-24 21:45:56 +10:00
Andrew Tridgell 09518d2d91 AP_Terrain: added mavlink transport of terrain data 2014-07-24 21:45:46 +10:00
Andrew Tridgell 1d42eda4da AP_Terrain: started on update() logic 2014-07-24 21:45:46 +10:00
Andrew Tridgell a7eb2ac28c AP_Terrain: implement height_amsl() 2014-07-24 21:45:46 +10:00
Andrew Tridgell ee7fc984f0 AP_Terrain: initial structure 2014-07-24 21:44:50 +10:00