i am using w7 64 + com0com-2.2.2.0-x64-fre-signed + hub4com-2.0.1.0-386 to access a remote serial port.
via LAN everything works like a charm RTT<10ms but over GSM network with RTT between 500ms and 1000ms the connection is very poor and unreliable..
is there a workaround? maybe its enough to increase the read timeout of the virtual serial port?
thank you
If you would like to refer to this comment somewhere else in this project, copy and paste the following link:
Yes, try to ajust AddRTTO and AddRITO params for application's COM port:
command> change CNCA0 AddRTTO=1000,AddRITO=1000
AddRTTO=<n> - add <n> milliseconds to the total time-out period for read operations (0 by default)
AddRITO=<n> - add <n> milliseconds to the maximum time allowed to elapse between the arrival of two characters for read operations (0 by default)
If you would like to refer to this comment somewhere else in this project, copy and paste the following link:
Anonymous
-
2012-08-06
vfrolov, ur the best!
exactly what i was looking for.. now the connection is slower but reliable. like rock solid reliable!
the "connection keep alive" flag also improved the quality of my connection!
thank you very much!
If you would like to refer to this comment somewhere else in this project, copy and paste the following link:
hi there.
i am using w7 64 + com0com-2.2.2.0-x64-fre-signed + hub4com-2.0.1.0-386 to access a remote serial port.
via LAN everything works like a charm RTT<10ms but over GSM network with RTT between 500ms and 1000ms the connection is very poor and unreliable..
is there a workaround? maybe its enough to increase the read timeout of the virtual serial port?
thank you
Yes, try to ajust AddRTTO and AddRITO params for application's COM port:
command> change CNCA0 AddRTTO=1000,AddRITO=1000
AddRTTO=<n> - add <n> milliseconds to the total time-out period for read operations (0 by default)
AddRITO=<n> - add <n> milliseconds to the maximum time allowed to elapse between the arrival of two characters for read operations (0 by default)
vfrolov, ur the best!
exactly what i was looking for.. now the connection is slower but reliable. like rock solid reliable!
the "connection keep alive" flag also improved the quality of my connection!
thank you very much!