Cannot send character with minicom

c unix terminal serial-port
Goulou picture Goulou · Oct 12, 2010 · Viewed 41.7k times · Source

I'm using minicom to connect through a serial link to a target (UART link of a sparc processor). With gtkterm or cutecom, I can connect, read and send characters. The only issue with them is that they both insert empty lines after each LF character, and : -gtkterm cannot record output to a file -cutecom does not "flush" after recording output to a file (it gets delayed, and flushed only after every 16k bunch of data)

Minicom, which is console based, would solve these problems (and it does not insert empty lines...), but I still cannot send any character with it, and don't understand why! When I press a key (for example, "0" + Return), is is written (if I enable local echoing), but nothing happens (while it works with gtkterm and cuteterm!!). In my program, I read using the following :

`r = scanf("%d", &option);`

Using a debugger, I see that the program never goes past this line...

Has anybody any idea?

Answer

Primos picture Primos · Oct 24, 2011

You might try setting the 'Hardware Flow Control' option to 'NO' in the serial port setup of the minicom configuration.

Check the meaning of that option in minicom docs :)

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