Subject:
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Serial Comm with RCX
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Newsgroups:
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lugnet.robotics.rcx
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Date:
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Tue, 16 Nov 1999 16:24:55 GMT
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Viewed:
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1231 times
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I am trying to connect my HP49 Calculator with the Mindstorms IR
Tower, I thought I had got the protocols right, the Green LED lights when
I send the packet but nothing else, no reply from the RCX. Am I missing
something?. Protocol 2400 baud odd parity, I am using an algorithm
based on the description of the packet protocoll on the mindstorms internals
page.
Regards, Garry Hayne
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Message has 2 Replies:
 | | Re: Serial Comm with RCX
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| Garry- I can't speak to your problem specifically, but you may actually want to try to make the HP speak directly to the RCX, skipping the IR Tower altogether. Someone claimed to have done this months ago, but never posted any code, so I have no (...) (25 years ago, 16-Nov-99, to lugnet.robotics.rcx)
| | | Re: Serial Comm with RCX
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| Well, it's hard to say what the problem might be. Since you've got the green LED going, you've probably got the cable wired correctly. And yes, it's 2400 baud, 1 start, 1 stop, 8 data, odd parity. Perhaps the packet isn't correct. Here's a sample (...) (25 years ago, 16-Nov-99, to lugnet.robotics.rcx)
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