Initial commit

sys/extensions/tgps.lua

@@ -0,0 +1,40 @@
+if not turtle then
+  return
+end
+
+require = requireInjector(getfenv(1))
+local GPS = require('gps')
+
+function turtle.enableGPS()
+  local pt = GPS.getPointAndHeading()
+  if pt then
+    turtle.setPoint(pt)
+    return true
+  end
+end
+
+function turtle.gotoGPSHome()
+  local homePt = turtle.loadLocation('gpsHome')
+  if homePt then
+    local pt = GPS.getPointAndHeading()
+    if pt then
+      turtle.setPoint(pt)
+      turtle.pathfind(homePt)
+    end
+  end
+end
+
+function turtle.setGPSHome()
+  local GPS = require('gps')
+
+  local pt = GPS.getPoint()
+  if pt then
+    turtle.setPoint(pt)
+    pt.heading = GPS.getHeading()
+    if pt.heading then
+      turtle.point.heading = pt.heading
+      turtle.storeLocation('gpsHome', pt)
+      turtle.gotoPoint(pt)
+    end
+  end
+end