On May 14, 2008, at 6:11 AM, Joe Planisky wrote:
Well, that's just it: you can't change it on the K2, and the KIO2
manual says it should be 2 stop bits.
The receiver's stop-bit setting needs to be greater than or equal to
the stop bit setting of the transmitter. It is OK for the transmitter
to send two stop bits and for the receiver to be set for one stop bit.
It won't hurt a thing. Most UARTs use the stop bit setting to affect
only the transmitter (RS-232 sending part of the device). The receiver
will handle anything that is at least one bit-time long for a stop
bit. Longer stop bits just reduce the maximum rate (characters per
second) that you can send data.
What may be happening is that the KIO2 is doing the UART in software.
A longer period of time between characters (as represented by the
extra stop bit) gives the processor more time to process the received
character before the next character starts coming.
--
73 de Brian, WB6RQN
Brian Lloyd - brian HYPHEN wb6rqn AT lloyd DOT com
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