Re: [ECOS] UART communication

[Jonathan Larmour <jlarmour@redhat.com>]

Andreas.Karlsson@combitechsystems.com wrote:
> 
> While receiving several bytes on the UART0 port on my AEB-board the
> eCos-serialdriver says it only received 1 byte with the value of 0.
> 
> The incoming data looks very nice on an oscilloscope.
> 
> Just to be sure that I hadn't messed something up in my receiver-thread I
> connected the TX and the RX pin and sent 4 bytes, the packet was received
> just as it should.
> 
> I compiled the ser0 with a baud rate of 57600 since that's the only one I
> can use. The other settings are 1 stop bit, no parity, wordsize=8 and
> CTS/RTS enabled.

Can you clarify what you mean by CTS/RTS enabled? How did you enable this?
 
> I noticed that the baudrate of 57600 wasn't supported in aeb_serial.h but
> what happens when I make this selection in the configuration?
> 
> To be able to enable CTS/RTS I had to modify the select_baud-array in
> aeb_serial.h. This because I should be able to set all fields in the
> cyg_serial_info_t struct. I added the value of 26 on the bauddivisor for
> 57600, maybe this is the problem.

Does 57600 bps communication work normally?

Jifl
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