RE: [Rcxemul-discussion] Update on serial comms

[David E. <d.a...@du...>]

Quick update: the firmware appears to have downloaded! I did a memory
dump before running lejosfirmdl and the memory from 0x8000 to 0xCC00 is
filled with 0xFF. After the firmware download, it is filled with what
appears to be the binary image (the "Do you byte, when I knock?" string
is there). I am going to try to find some way to diff my image with the
lejos binary image.

Unfortunately, the firmware still won't unlock. The emulator isn't
responding to the unlock request for some reason. I'll look into it.

> -----Original Message-----
> From: rcx...@li... 
> [mailto:rcx...@li...] On 
> Behalf Of David Edwards
> Sent: 16 October 2002 01:34
> To: rcx...@li...
> Subject: [Rcxemul-discussion] Update on serial comms
> 
> 
> I've managed to get serial comms working (albeit very 
> flakily). The emulator will receive messages and seems to 
> deal with most of them appropriately. I have hacked the lejos 
> firmware downloader so that it will communicate with the 
> emulator, and so far the emulator has successfully replied to 
> a request to see if it's alive, and has worked its way (very 
> slowly) through the download of the firmware image.
> 
> I haven't verified that the firmware has been successfully 
> downloaded - I need a better debugging framework to do this. 
> The download fails when it attempts to unlock the firmware. 
> No reply is received from the emulator. Again, I need a 
> better way of debugging to find out why.
> 
> 
> 
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