Re: Single UART handling multiple devices.

2009-08-15 Thread Microbit_Ubuntu
Hi, On Fri, 2009-08-14 at 07:31 -0700, srinivasramana wrote: > Hi Greg/Kris, > > >> you _can't_ multidrop with RS232 > Thats correct. I am not attempting to multidrop RS232. I have a micro > controller handling all my devices and that micon connects to the host over > UART. Basically, my need is

Re: Single UART handling multiple devices.

2009-08-14 Thread Greg Freemyer
Srinivas, Top-posting is highly discouraged on most high-volume mailing lists, and the includes this one. Moving your answer to the bottom and then answering. > > Microbit_Ubuntu wrote: >> >> Hi Greg, >> >> On Thu, 2009-08-13 at 20:41 -0400, Greg Freemyer wrote: >>> On Thu, Aug 13, 2009 at 3:52

Re: Single UART handling multiple devices.

2009-08-14 Thread srinivasramana
It is a totally standard thing to do. >> >> Greg >> -- >> Greg Freemyer >> Head of EDD Tape Extraction and Processing team >> Litigation Triage Solutions Specialist >> http://www.linkedin.com/in/gregfreemyer >> Preservation and Forensic processing

Re: Single UART handling multiple devices.

2009-08-14 Thread Microbit_Ubuntu
Hi Greg, On Thu, 2009-08-13 at 20:41 -0400, Greg Freemyer wrote: > On Thu, Aug 13, 2009 at 3:52 PM, > srinivasramana wrote: > > > > Hi All, > > > > I have been working on the feasibility of having multiple device > > nodes(serial type device) for a single device so that applications can treat > >

Re: Single UART handling multiple devices.

2009-08-13 Thread Greg Freemyer
On Thu, Aug 13, 2009 at 3:52 PM, srinivasramana wrote: > > Hi All, > > I have been working on the feasibility of having multiple device > nodes(serial type device) for a single device so that applications can treat > each of these device nodes as separate devices. > > 1. Can i write a tty driver wh

Re: Single UART handling multiple devices.

2009-08-13 Thread srinivasramana
t;>> Thanks & Regards, >>> -- Srinivas R >>> >> >> >> >> -- >> motzblog.wordpress.com >> >> -- >> To unsubscribe from this list: send an email with >> "unsubscribe kernelnewbies" to ecar...@nl.linux.org

Re: Single UART handling multiple devices.

2009-07-21 Thread srinivasramana
inivas R >> > > > > -- > motzblog.wordpress.com > > -- > To unsubscribe from this list: send an email with > "unsubscribe kernelnewbies" to ecar...@nl.linux.org > Please read the FAQ at http://kernelnewbies.org/FAQ > > > -- View this message in

Re: Single UART handling multiple devices.

2009-07-20 Thread matthias
Hi, Why you don't put everything in user space. So you just need the driver to communicate with your UART port. Use pipes for communication between your applications and the UART-controller-application in user space. regards, Matthias 2009/7/19 srinivas ramana : > Hi All, > > I have a UART port

Single UART handling multiple devices.

2009-07-19 Thread srinivas ramana
Hi All, I have a UART port on my device. A micro controller which drives multiple other devices is connected to this UART port. I need all those devices, connected to micro controller, to be visible to Linux applications as separate UART devices/ports. What is the best way to do this? What all dr