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"Matthias Klumpp" <Matthias.Klumpp_at_gmx.de> wrote in message
> Sending 0xC2 results in the following (measured directly at the AJB
input):
>
> start level is high (3.3V), then it goes:
> 200us low
> 110us high
> 410us low
> then high for ever
>
> Assuming a time grid of 100us, that would end up in:
> 0 0100 0011
> putting it the other way round (it was LSB first)
> 1100 0010 0
> that is 0xC2 with Stop Bit =0 (why that ?)

That looks good - the a bit at 9600bps lasts for about 104us .... the 0 is
the Start bit, not the Stop bit.

>From your other post, it does seem that this may be a problem with the
Rockbox Player software.

Steve.

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