there is a great Sreial Programming howto
Serial-Programming-HOWTO
http://sunsite.unc.edu/LDP/HOWTO/Serial-Programming-HOWTO.html
but if you are not a electronics guru ( I am neither) you could use the
parallel
port
i can give you what i have writen to control
a Radio controlled car (with very simple electronics)
On Thu, 7 Jan 1999 [EMAIL PROTECTED] wrote:
> A while back someone asked on this list for programming code for controlling
> serial ports from linux. Somebody answered with a slew of C code for setting
> and controlling the serial ports and associated control signals. I looked thru
> the list archives, but was unable to find this reply.
>
> I'm interested in using the control lines of a serial port turn a camera left
> and right when a button on a web-screen is clicked. Does anyone have
> programming code for controlling the control signals (DTR & RTS) of a serial
> port from linux?
>
> Thanks in advance...
>
> --Bryan Fredrick
>
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