Am Donnerstag, 19. August 2010, 08:28:57 schrieb Raju Rameshwar Uprade:
quoted text
> Dear All,
>          I am trying to write a Pl2303_mcm.c usb-serial device driver which 
> will be able
> to talk to several devices using RS-485 interface card.I have modified the 
> standard
> pl2303.c by which I am able to enable/disable the RTS line.
> I am sending 10 bytes of data to the device, data is going out but instead 
> of 10 bytes,
> device driver is sending a large amount of data as seen on Lecroy 
> waverunner
> oscilloscope. Here I am sending the modified file.

Could you please send this as a unified diff?
And take the USB list into cc? Do you see this superfluous
data also with usbmon?

	Regards
		Oliver
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