sync after loading gcode to card

sync instead of waiting a second.  a second is almost always too
long to wait.  on occasion, it can also be too short.  sync is more
accurately what to wait for.

diff --git a/3d-printables/Makefile b/3d-printables/Makefile
index 9a84f08eb1c7e4c0ab1179c6b99b3255a490b468..8c1572b377320f6c9db1dc210298044484562bc1 100644 (file)
--- a/3d-printables/Makefile
+++ b/3d-printables/Makefile
@@ -21,7 +21,7 @@
 
 %-materia-101.print: %-materia-101.gcode
        cp $< /media/${USER}/3D-PRINTER
-       sleep 1
+       sync
        umount /media/${USER}/3D-PRINTER
 
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