Initial commit

autorun/gps.lua

@@ -0,0 +1,51 @@
+if turtle and device.wireless_modem then
+
+  local s, m = turtle.run(function()
+    local homePt = turtle.loadLocation('gpsHome')
+
+    if homePt then
+
+      require = requireInjector(getfenv(1))
+      local Config = require('config')
+      local config = {
+        destructive = false,
+      }
+      Config.load('gps', config)
+
+      local GPS = require('gps')
+      local pt
+      for i = 1, 3 do
+        pt = GPS.getPointAndHeading(2)
+        if pt then
+          break
+        end
+      end
+
+      if not pt and config.destructive then
+        turtle.setPolicy('turtleSafe')
+        pt = GPS.getPointAndHeading(2)
+      end
+
+      if not pt then
+        error('Unable to get GPS position')
+      end
+
+      if config.destructive then
+        turtle.setPolicy('turtleSafe')
+      end
+
+      Util.print('Setting turtle point to %d %d %d', pt.x, pt.y, pt.z)
+      turtle.setPoint(pt)
+
+      if not turtle.pathfind(homePt) then
+        error('Failed to return home')
+      end
+    end
+  end)
+
+  turtle.setPolicy('none')
+
+  if not s and m then
+    error(m)
+  end
+end