Subject:
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Corrupted or Invalid Pcode?
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Newsgroups:
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lugnet.robotics.handyboard
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Date:
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Wed, 9 Jul 1997 14:16:19 GMT
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Original-From:
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James Lewis <jlewis@nomadicsANTISPAM.com>
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Viewed:
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655 times
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I have been using the Handyboard successfully for over 6 months. Recently I've
decided to mount it on my robot base. After all the dust settled last night, I
powered up the Handyboard. Since I put the batteries elsewhere on the robot, I
put a keyed connector between the batteries and the Handyboard (for future
expansion!). Since the battery was disconnected for some time, when I applied
power I just got the dark row of blocks on the LCD. I figure, no big deal, I
just lost the pcode. So I use hbdl to reload the pcode. All seems to go well.
I reboot the Handyboard and the "Interactive C V 2.81..." banner appears on the
LCD. I then try to start IC on the PC with the following problems.
1) IC stays at 'Synchronizing with board' until I reset the handyboard.
2) Then IC comes back with the following message.
'Pcode version 10.81 detected'
'Invalid pcode or pcode corrupt."
I have tried various pcodes (downloaded directly from the Handyboard page v3.1
for the retail version as well as v2.81 freeware).
All have the same results.
My question is this. It seems as though one bit is sticking high (10d = 1010b,
02d = 0010b). But why would the LCD work then?
Thanks for any suggestions.
James Lewis
jlewis@nomadics.com
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