[ECOS] Using the second serial port on ARM-E7T

[Jonathan Larmour]

Jacques Ehrlich wrote:
> 
> >I tried something like :
> > fp = fopen("/dev/ser0", "rw");
> > ...
> > fprintf(fp, "hello\n");
> > ...
> >
> > without success.
> 
> Finally, it works !
> The error was :
> fp = fopen("/dev/ser0", "rw")
> 
> To be ok you must open two different "files":
> out = fopen("/dev/ser0", "w")
> in = fopen("/dev/ser0", "r")

Actually that shouldn't be required. But you saying this has made me notice
what the problem is: it shouldn't be "rw", it should be "r+" to open for
reading and writing.

Jifl
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