Subject:
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Re: Hi-speed port communication
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Newsgroups:
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lugnet.robotics.nxt
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Date:
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Fri, 4 Jan 2008 09:19:29 GMT
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Viewed:
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31117 times
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In lugnet.robotics.nxt, John Hansen wrote:
>
> Once you have initialized the port type and the hi-speed state machine by
> calling SetHsState(HS_INITIALISE) and SetHsFlags(HS_UPDATE) then reading
> messages is about as simple as calling GetHSInputBuffer(offset, size, buffer);
>
> According to folks at LEGO you can simply use a sensor wire to connect two NXTs
> together on port 4 and send data back and forth using this sort of code.
Cool! I wonder if you could daisy-chain NXTs using this technique, and if so,
how many you could connect?
ROSCO
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Message has 2 Replies:
 | | Re: Hi-speed port communication
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| Hi Ross, (...) it should be possible to use RS-485 as a bus, i.e. connect several NXTs with one cable. You need to make the cable yourself, though, and you may need some termination on the ends. Jürgen (17 years ago, 4-Jan-08, to lugnet.robotics.nxt)
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Message is in Reply To:
| | Hi-speed port communication
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| I've been getting a number of emails from some people who want to know how to use the hi-speed RS-485 port 4 functionality in the NXT using the standard firmware. With John Barnes' help I now know how to get it to work correctly. Here is a simple (...) (17 years ago, 4-Jan-08, to lugnet.robotics.nxt)
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Active threads in NXT programmable brick
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