Re: Simple Serial Port Program

Joel wrote:
My project involves an oscillator connected to the DTR pin of
the serial port, which switches the oscillator on and off using
a C program.

Here's what im trying to do:
a simple program that can turn the "DTR" pin of the serial port on
and off, that's all. I came across the function outportb() in dos.h,
can I use this to do the above mentioned?

Must be the time of day, this is off topic here, try a group dedicated
to your OS or compiler.

--
Ian Collins.
.

Relevant Pages

  • Re: USB to 9pinD serial adapters?
    ... iBook to a router serial port, the few times I needed it. ... So, at SLAC, when I left there in 1993, there were typically 500 or so users connected at any given moment to various hosts using RS232 through Micom switches. ... So, again at SLAC, the SL-100 phone switch that I was tasked to interface to, not only had an arcane protocol but also had the cute feature that, if the engineer walked up to another port with his tty, and started using it, all my output was suddenly and without so much as a by-your-leave, switched to his port. ...
    (uk.comp.sys.mac)
  • Re: Serial console on ttyS4
    ... > Joel wrote: ... >>I'm trying to set Linux up to use a serial console on ttyS4. ... by default there is only one serial port in the system and it's ...
    (comp.os.linux.misc)
  • Re: Problem with tcgetattr
    ... > The card I'm talking about is a experimental card for space ... except for the serial port: ... Perhaps there are some jumpers or switches on the ... card to set it to a different baudrate, ...
    (comp.os.linux.development.system)
  • Re: XMODEM transfer via Cyclades ACS32 over ssh connection
    ... I have access to a pair of switches in a datacenter, ... can access the serial port via an ssh connection via a Cyclades serial ... least half the country blames the Democrats for this. ...
    (comp.os.linux.misc)
  • Re: XMODEM transfer via Cyclades ACS32 over ssh connection
    ... Tim Watts wrote: ... I have access to a pair of switches in a datacenter, ... can access the serial port via an ssh connection via a Cyclades serial ... I usually use a linux client. ...
    (comp.os.linux.misc)