Hello, I have an old msdos program that display informations received from the UART (serial port COM2) of the PC. So, i got a problem with the display and i decided to use DOSBOX to resolve my problem.

I resolved my display problem but i have now a communication problem....

In fact my old dos program communicate with a microcontroller by the serial link. In my dos program I have 2 commands to send to the microcontrolleur, the letter "s" and the letter "x" to start and stop the data acquisition. Thoses commands works fine but i received no data in my dos appli.

I did a small test in hyperterninal, i did a connection on COM2, configurate the right speed, etc and after i pressed the letter s and i received a shit load of data from the serial link.

Now, my question is... why that don't work!!! 😀

Thanks for your help

Cedric

This is my serial config (it's only what i changed!)

1directserial=true
2comport=2
3realport=COM2
4defaultbps=57600
5parity=N
6bytesize=8
7stopbit=1