Subject:
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Re: QuiteC IR interfacing to lego firmware IR
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Newsgroups:
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lugnet.robotics.rcx
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Date:
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Thu, 5 Feb 2004 04:48:54 GMT
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Viewed:
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3244 times
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In lugnet.robotics.rcx, Kevin L. Clague wrote:
> Hi,
> QuiteC's IR facilities are rudimentary. They send and receive single bytes.
> I need to be able to make it send and receive lego IR protocol messages for
> opcode 0xf7.
>
> I'm not having much luck.
>
> When I send a 0xf7 opcode with a message of 0x03 (using brickOS as a known
> good thing), it is supposed to send:
>
> 0x55,0xff,0x00,0xf7,0x08,0x03,0xfc,0xfa,0x05
>
> I assume that brickOS is behaving correctly.
>
> On the quiteC side I receive this:
>
> 0x5d,0xff,0x00,0x03,0xfc,0xfa,0x05
>
> Two mysteries:
>
> 1. How did the 0x55 header byte get garbled to 0x5d?
> 2. Where in the heck did the opcode bytes (0xf7,0x08) go?
>
> Any help with QuiteC IR would be greatly appreciated.
It is my conclusion that QuiteC is not receiving back to back IR bytes fast
enough, and that characters are lost.
Kevin
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Message is in Reply To:
 | | QuiteC IR interfacing to lego firmware IR
|
| Hi, QuiteC's IR facilities are rudimentary. They send and receive single bytes. I need to be able to make it send and receive lego IR protocol messages for opcode 0xf7. I'm not having much luck. When I send a 0xf7 opcode with a message of 0x03 (...) (21 years ago, 3-Feb-04, to lugnet.robotics.rcx)
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