[fpc-pascal] One experience with the unit serial

Marco van de Voort marcov at stack.nl
Thu Nov 19 15:25:12 CET 2009


In our previous episode, Holger Bruns said:
> >   
> 
> Which can be done through a direct port access and some lines of code in 
> assembler language. The second idea I have is the use of the device 
> files /dev/ttySx, but how can these files be used to get access to all 
> of the registers of an uart?

As said, ttySx is a generalization of a general serial device, not of a
certain chip.

Usually parameters are set by performing IOCTLs on the handle.

http://tldp.org/HOWTO/Serial-HOWTO.html

http://www.vanemery.com/Linux/Serial/serial-console.html

and heaps more if you put "linux serial" in google.



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