Maybe I'm wrong, but my application can't work like you said. I
have 3 serial ports, if one port has just send data and now is
waiting for reply (several seconds), another can't be blocked. So I
must use seperate tasks for each serial port.
When I receive data from tcp I have to get to know what is the
"address" of the target (slave device connected to serial port). I
have a image to show you how my application must work
http://img217.imageshack.us/img217/4508/tcpser.jpg
If I want something from device with address "3" I want to also
communicate with device with address "5" simultaneously without
need to wait until device "3" reply.
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