+serial_readable moredata l=1
+serial_readable buf_used=1
+serial_readable moredata l=1
+serial_readable finishing l=0 buf=010101...
+picioh in msg 01
+picio in nmradone 1
+picio out nmradata : <ff 00>
+picioh out ff ff bf e0 83 7f
+picioh in msg 01
+picio in nmradone 1
+picio out nmradata : <ff 00>
+picioh out ff ff bf e0 83 7f
+serial_readable l=0 buf=019802... r=4
+serial_readable buf_used=4
+serial_readable moredata l=1
+serial_readable buf_used=3
+Segmentation fault
+liberator:hostside>
+
+as a result of running, then touching track near panel to induce detection
+
+
layout polarity diagram colourful segment encoding:
make moveable feature selection in subseg2display bitwise rather than
setwise