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Top Forums Programming how to write application for 32 com port Post 302129483 by amitpansuria on Tuesday 31st of July 2007 07:19:36 AM
Old 07-31-2007
how to write application for 32 com port

Dear Sir,
i m going to use NP5610-16 moxa device for multiport serial communication.
i m using fedora-core 6 o.s.
after installation it will detect serial ports as /dev/ttyr0,/dev/ttyr1...ttyr32.
there are total 32 com ports.
now i want to write application which monitor all serial ports and received data from particular serial ports.
after that it send data on particular port.
its ok i understand this concept.
but i confuse that what programming approach i have to use to monitor multiport serial ports.
i have to fire 32 diff threads for each port or what
tell me how i write application such that it is easy to control all 32 com port
plz help me to sort out this issue
please also guide me that which is the best approach i have to use for this
Regards,
Amit
 

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cyclades-serial-client(8)												 cyclades-serial-client(8)

NAME
cyclades-serial-client Serial Port Interface for Cyclades Terminal Servers SYNOPSIS
cyclades-serial-client (start | stop | restart | status) [devname] DESCRIPTION
For each physical port listed in cyclades-devices file, cyclades-serial-client controls the status of the corresponding cyclades-ser-cli interface. OPTIONS
cyclades-serial-client must be invoked with one of the (start, stop, restart or status), and optionaly with a argument associated to a spe- cific device. In this case, the action spedified as the option will be performed only for this device. If this argument was not supplied, the action will be performed for all devices listed in cyclades-devices file. The mandatory options are: start - Starts the cyclades-ser-cli program, using parameters supplied in the cyclades-devices file. If this program is already running, a message will be displayed, and no additional copy will be started. stop - Stops the cyclades-ser-cli program(s), by issuing a SIGTERM signal. restart - Simulates a hangup to cyclades-ser-cli program(s), by issuing a SIGUSR1 signal. status - Checks the status of cyclades-ser-cli programs(s). EXAMPLES
Assuming the the following cyclades-devices file configuration: /dev/ctty01:pr3k:1:rtelnet: /dev/ctty02:pr3k:2:socket: 1 . Start all devices: cyclades-serial-client start Messages: "Starting /dev/ctty01 <==> pr3k:1 interface" "Starting /dev/ctty02 <==> pr3k:2 interface" 2 . Try to start them again: cyclades-serial-client start Messages: "cyclades-serial-client : /dev/ctty01 already active" "cyclades-serial- client : /dev/ctty02 already active" 3 . Stop only /dev/ctty01 device: cyclades-serial-client stop /dev/ctty01 Messages: "Stopping /dev/ctty01 <==> pr3k:2 interface" 4 . Checking status: cyclades-serial-client status Messages: "/dev/ctty01 (rtelnet at pr3k:1) is inactive" "/dev/ctty02 ( socket at pr3k:2) active, pid 2983" 5 . Start a non-valid device cyclades-serial-client start /dev/xtty01 Messages: "cyclades-serial-client : device /dev/xtty01 does not exist" SEE ALSO
cyclades-ser-cli(1), cyclades-devices(5) cyclades-serial-client(8)
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