* [Xenomai-help] rtdm xeno_16550A and usb-serial converter
@ 2006-08-08 13:35 Marco Jackel
2006-08-08 14:45 ` [Xenomai-help] " Bernhard Walle
0 siblings, 1 reply; 2+ messages in thread
From: Marco Jackel @ 2006-08-08 13:35 UTC (permalink / raw)
To: xenomai
Hi,
Is it possible to use an usb-serial converter with the rtdm serial
driver? Is there a difference between RS422 and RS232?
Thanks
Marco
^ permalink raw reply [flat|nested] 2+ messages in thread
* [Xenomai-help] Re: rtdm xeno_16550A and usb-serial converter
2006-08-08 13:35 [Xenomai-help] rtdm xeno_16550A and usb-serial converter Marco Jackel
@ 2006-08-08 14:45 ` Bernhard Walle
0 siblings, 0 replies; 2+ messages in thread
From: Bernhard Walle @ 2006-08-08 14:45 UTC (permalink / raw)
To: xenomai
Hello,
Marco Jackel <ich@domain.hid> [2006-08-08]:
> Is it possible to use an usb-serial converter with the rtdm serial
> driver? Is there a difference between RS422 and RS232?
No. The RTDM Serial driver communicates with the UART of the PC. For a
usb-serial converter you would need a USB real-time stack (which is
available with usb4rt). And not all usb-serial converters are the same,
I know at least two types: ftdi_sio and pl2303 which seems to be most
common. In linux/drivers/usb/serial there are quite more. So you need a
driver for each converter based on usb4rt.
I think it's easier to buy a serial PCI card. :)
Regards,
Bernhard
--
"My great concern is not whether you have failed, but whether
you are content with your failure."
-- Abraham Lincoln
^ permalink raw reply [flat|nested] 2+ messages in thread
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2006-08-08 13:35 [Xenomai-help] rtdm xeno_16550A and usb-serial converter Marco Jackel
2006-08-08 14:45 ` [Xenomai-help] " Bernhard Walle
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