Subject:
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Re: Downloading Firmware to RCX
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Newsgroups:
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lugnet.robotics
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Date:
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Sat, 2 Jan 1999 11:15:16 GMT
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Viewed:
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1274 times
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> Step 4: Send a start firmware download message
>
> In hex, the data in the message should be:
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> 75 00 80 cc dd 00
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> cc is the most significant byte of the image checksum
> dd is the least significant byte of the image checksum
Ooops. Switch most and least, above.
> Step 5: Send the image data using transfer data messages
>
> For each chunk, send a message with the following data (in hex):
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> xx aa bb cc dd databytes ee
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> xx is the message opcode
> aa is the most significant byte of the index of this chunk
> bb is the least significant byte of the index of this chunk
> cc is the most significant byte of the size of this chunk
> dd is the least significant byte of the size of this chunk
And again, twice.
-Kekoa
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Message is in Reply To:
 | | Re: Downloading Firmware to RCX
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| (...) Does QBasic let you use spirit.ocx? If so, that is by far the easiest way to write code to download the firmware. If not, here is an explantion of the download process: I assume you know the basic packet protocol. If not, it was described by (...) (25 years ago, 2-Jan-99, to lugnet.robotics)
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