Am Donnerstag, 27. Januar 2011, 13:57:13 schrieb Ramya Desai:
> On Thu, Jan 27, 2011 at 6:08 PM, Ramya Desai <ramya.desai@xxxxxxxxx> wrote:
> > Dear Experts,
> >
> > I am developing an application which communicates with the external
> > device using USB CDC driver in Ubuntu 10.04.
> > When I am trying to transfer the chunk of data from the device to the
> > PC, I found that junk data was being received.
> >
> > If I modify the data value 0x1A (which is at 13th offset of my
> > buffer), I was bale to receive the data with out any issues.
> >
> > When I used Windows machine to read the data, I found no problem even
> > with 0x1A character.
> >
> > Please let me know, how can I fix this issue.
>
> Please found the code snippet that I am using.
> -RD
>
> fd = open("/dev/ttyACM0", O_RDWR);
>
> if(fd == -1)
>
> {
>
> printf("ERROR: Cannot open the serial port terminal fd = %d\n", fd);
> exit(1);
>
> }
>
>
> retval = read(fd, &header, HEADER_LEN);
What is HEADER_LEN?
Regards
Oliver
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