Pyserial - send and receive characters through linux serial port

[Bjoern Schliessmann]

terry wrote:

> I am trying to send a character to '/dev/ttyS0' and expect the
> same character and upon receipt I want to send another character.
> I tired with Pyserial but in vain.

Pyserial works very well for me (despite the device I connect to has
quite a screwed protocol and implementation).

> Test Set up:
> 
> 1. Send '%' to serial port and make sure it reached the serial
> port. 2. Once confirmed, send another character.
> 
> I tried with write and read methods in Pyserial but no luck.

Are you actaully trying to get lucky by doing this, or are you
observing a specific problem, e.g. nothing is received or wrong
characters are received? Also, by what are they received?

Regards,


Björn

-- 
BOFH excuse #139:

UBNC (user brain not connected)