I have this nice little all-in-one machine TS-7390 from Technologic
Systems which has4 RS-232, 2 TTL COM ports. Now I am not an engineer
rather a user. Here is my silly question:
How can I connect some serial devices e.g. printer/etc. to this
machine?
I have started my system from the supplied SD card (I did not change
anything but the IP address).
Now I see there is a COM1 and COM2 right next to the eth1 port. With
the supplied connectors when I try to output some text nothing
happens, e.g.
Problem1:
cat sample.txt > /dev/cua0
cat sample.txt > /dev/cua1
Problem2:
If I do the same for /dev/ttyS0 or ttyS1 I get a "write:
Input/output error"
Now the console output with the supplied board on the JGAT portion
of the 40 PIN JGAT/DIO works.
Problem3:
How and where would I connect the remaining connectors? It says: The
remaining COM ports are provided by the FPGA through the proprietary
TS-UART core and are 9-bit serial capable. I know that there are
some drivers for the TS-UART and I am guessing I will have to create
the devices ttys.. Am I right here? I hope that I can connect the
devices without having to put some board in-between like the console
board or am I wrong here?
Some guidance would be very much appreciated.
Thank you,
Ole
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