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Thread: USB to RS232 problem
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- Join Date
- Dec 2006
USB to RS232 problem
I have one com port on board .I use script for reseting AP and i use command
echo "UUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUU" > /dev/ttyS0.
Everything works fine.
Now i need one more com port. I installed USB to RS232 adapter pl2303 driver.
I attached cable to this adapter and i used command
echo "UUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUU" > /dev/ttyUSB0
It works but only once . I can reset only once -than i have to reset pc and it works again only once.
What could be wrong - any buffer filled -is there maybe an irq problem, is there any log for USB?
Thanks for help,