Norbert Truchsess

Fixes for #100 (stall of transmit logic) and #102 (packet corruption)

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Fixes for #100 and #102 (unfortunally these fixes come with a penalty of 116 bytes flash though...)

checkout proposed fix for silicon errata point 12/14

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http://ww1.microchip.com/downloads/en/DeviceDoc/80349c.pdf http://forum.mysensors.org/topic/536/problems-with-enc28j60-losing-connection-freezing-using-uipethernet-or-ethershield-read-this

Enc28J60 transmit-logic does write a transmit-status-vector (tsv) of 7 bytes into the memory right after the packet that got transmitted. As this memory is not allocated before the tsv eventually...

It seems that some hardware-related issues may be solved when using lower speeds on SPI: http://forum.arduino.cc/index.php?topic=265651.msg1873345#msg1873345

http://forum.arduino.cc/index.php?topic=164281.msg1637550#msg1637550

https://github.com/ntruchsess/perl-firmata/blob/master/lib/Device/Firmata/Protocol.pm#L206 .... my $bytes = ( $MIDI_DATA_SIZES->{$command} || $MIDI_DATA_SIZES->{ $buffer->[0] } ) + 1; .... $MIDI_DATA_SIZES->{ $buffer->[0] } is uninitialized for 0xf..-values not listed in $MIDI_DATA_SIZES resulting in this error...

Support to query and signal whether arduino has been resettet / reinitialized

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Szenario to be addressed: Arduino is connected by other means than serial and connection drops and reconnects. There's no way to know whether firmata did reset while being disconnected. To...