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 | | Re: Rotary electrical coupling
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| G'Day If you are willing to use 'non-pure Lego' parts, then Radio Shack has a telephone cord 'detangler' that plugs into standard RJ-11 jacks, has 4 conductors, and 360 degree motion. Works rather well, esp. with some contact enhancer for a cleaner (...) (25 years ago, 5-Oct-99, to lugnet.robotics, lugnet.robotics.rcx)
| | | | | Re: firmdl3 @ 41.13s
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| (...) If you deactivate complements or headers in the ROM protocol, then the ROM does not transmit exactly what you might want it to. See the comments for init_serial in lib/rom.h of the Librcx distribution. If you use the default mode settings, or (...) (25 years ago, 4-Oct-99, to lugnet.robotics.rcx.legos)
| | | | | RE: firmdl3 @ 41.13s
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| (...) Bug, what bug? Have I missed something? My Tcl based uploader broke when Scriptics released 8.2, and now it works again. Seems I wasn't handling the rcx_recv parameter in my equivalent functions... Anyways, could you elaborate on the bug a (...) (25 years ago, 4-Oct-99, to lugnet.robotics.rcx.legos)
| | | | | Re: firmdl3 @ 41.13s
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| (...) I'll have to test it out in my office, which has difficult lighting. Errors in transmission can often break things in unexpected ways, leaving you in states that are hard to recover from, often resulting in the downloader aborting after giving (...) (25 years ago, 4-Oct-99, to lugnet.robotics.rcx.legos)
| | | | | firmdl3 @ 41.13s
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| Hi, on my machine, original firmdl3 took 45.2s to download firm0309.lgo. - I increased packet size to 240 bytes, gaining roughly 2 seconds. - Added packet size prediction and bytewise decoding with a state machine (The decoder spent 50 ms per packet (...) (25 years ago, 4-Oct-99, to lugnet.robotics.rcx.legos)
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