Stop bits? one lump or two

[patchell]

    Midi is just as you said, 8 bit, 1 stop bit.

    -Jim

The Dark force of dance wrote:

> Y-ellow Y'all.
>         This may qualify for the dumb question of the year but how many stop bits
> in a MIDI frame?
>
> I'm trying to trace what would appear to be a framing error. All my
> information on MIDI suggests that it's 8N1.
>
> 1 Start bit
> 8 DATA bits
> 1 Stop bit
> no pirate pets. (Parity)
>
> But I recall someone here some time back suggesting that there were 2 stop
> bits. Looking through a range of other source code seems to suggest there
> is only 1 stop bit but I have a framing error and I wouldn't discount
> anything at this point.
>
> The other possibility is that the counter divisor may be set wrong for 24
> meg. I don't think so but it wouldn't surprise me. I have checked that the
> clock is indeed running at 24 meg. Changed to a PC900 which, as far as MIDI
> optos go, I know work. I've checked that I'm receiving data and I am.
> Though it probably isn't receiving all the B0Hs it's being fed. I'm about
> to hook a MIDI out port up (which is a bit of a bugger as I hadn't planned
> on doing so) because it's the only way I could read an output from the
> device. I can't hook it up to a terminal because they don't run @ 31.25K.
>
> I re-checked the software on the simulator last night. (again and again) If
> the software actually receives a valid B0 (controller on channel 1) it
> processes it and does what it's supposed to. Conclusion: It's not receiving
> the B0s in the first place.
>
> I've found all the other problems, undoubtedly I'll eventually find this
> one. But I would like to confirm that my information is correct.
>
> Thanks in advance.
>
> Be absolutely Icebox.
>
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