[ts-7000] ISO485 full duplex?

["naturalwatt" <>]

Hi.

I am using the TS ISO485 board, but i can't get it to work from my program.  
The loopback using shell commands works as described in the documentation, but 
my program does not manage to send data, as the TX LED doesn't flash.

I have tried using ioctl to de-assert RTS and DTR, but this doesn't help.  I 
found a comment about de-asserting RTS in half-duplex mode to allow the driver 
to manipulate it, but I need to run in full duplex mode.

Once my program has been run (and failed to send data), the shell commands no 
longer work.

What am I missing?

Martin



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