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Post AveOhKJSokQDB5XW9g by [email protected] |
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More posts by [email protected] |
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Post #AveOfhqcLRvfafH4JE by [email protected] |
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Going through my long term project todo list and one that i should be able to b… |
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Post #AveOfhxLwPJhvYQRo8 by [email protected] |
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@azonenberg we use these extensively at my place of work: https://www.startech.… |
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Post #AveOfi45XMhkGRZpJ2 by [email protected] |
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@bencc MB of logging is a whole different animal than what i was thinking. I wa… |
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Post #AveOfi9lCHF2Y2EM9A by [email protected] |
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@azonenberg ser2net / RFC 2217 also interesting, even if you deliver them over … |
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Post #AveOfiF4sVUkoWibR2 by [email protected] |
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@bencc I'll look into it. My plan for now was to have all uart control plan… |
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Post #AveOfiLoTSsn9Pryvw by [email protected] |
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@azonenberg yeah, possibly very different use cases. Our serial ports are typic… |
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Post #AveOfiRq73hfS6gnKK by [email protected] |
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@bencc so in that case the solution is a bunch of external RAM to act as a fifo… |
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Post #AveOhJGahwWtvtBi2S by [email protected] |
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@azonenberg I use these kinds of devices extensively at $DAYJOB so I have Some … |
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Post #AveOhJNgHaCWHsVN5c by [email protected] |
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@jpm How useful is the history buffer, you think? Making it more than like a fe… |
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Post #AveOhJThvB1OaZKBU0 by [email protected] |
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@jpm rough numbers: I could probably afford to dedicate 128 kB of on die SRAM … |
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Post #AveOhJa5XS7quMJHQe by [email protected] |
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@jpm the FPGA isn't much help here it has only 200 kB total sram assuming i… |
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Post #AveOhJgp8PVtFFSevY by [email protected] |
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@jpm (i haven't done lut usage estimates yet so don't know how many por… |
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Post #AveOhJmqm0KlXwHTJw by [email protected] |
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@jpm For my own needs i probably only need 8ish ports. I might make it modular … |
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Post #AveOhJssPb9dqd6HiK by [email protected] |
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@azonenberg this seems like a good idea, pick a RS-232 transceiver (eg a MAX324… |
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Post #AveOhJzG1sG6AQ5Ney by [email protected] |
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@azonenberg can’t just use the FPGA to roll-over when there’s a xcvr in the… |
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Post #AveOhK5de9MYUD4Tbc by [email protected] |
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@jpm that would mean adding relays or similar which would be a huge cost/power … |
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Post #AveOhKDRB9bKsOihlI by [email protected] |
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@jpm wrt level shifters what i meant was just "sell two versions of the bo… |
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Post #AveOhKJSokQDB5XW9g by [email protected] |
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@azonenberg yep, and having a set of mutually-exclusive components that you DNP… |
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Post #AveOhKOmUyfvRa1lRY by [email protected] |
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@jpm it would literally just be DNP half the level shifters and bypass caps and… |
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Post #AveOiKRPpHcbrhjk9o by [email protected] |
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@azonenberg yeah auto-rollover definitely challenging to do with a RS232 xcvr i… |
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Post #AveOiKXRSsRUAOYYYC by [email protected] |
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@jpm oh easily, yes. Anything un buffered is trivial |
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Post #AveOibOUnOO4RZV9Sy by [email protected] |
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@azonenberg yeah, depends on the use case for sure. A screenful not enough for … |
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Post #AveOibUsPfUWlMUFPc by [email protected] |
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@bencc I'll support much higher baud rates. probably 100 MHz APB clock with… |
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Post #AveOibau3GJP43J3o0 by [email protected] |
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@bencc as far as volume of log buffer goes, i could fairly easily throw a 64 or… |
