Re: No COM port - can I use USB for MSComm based app
From: CajunCoiler \(http://www.cajuncoiler.tk\) (cajuncoiler_at_totallyspamless.cox.net)
Date: 11/25/04
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Date: Thu, 25 Nov 2004 09:43:23 -0600
It'd be easier to just plug in a COM card, and have
REAL serial ports. Although, I'd have to wonder
what kind of machine doesn't come with COM
ports to begin with... you MAY have a header for
one or two of them on the motherboard, and it's
not switched on... that's a faily common occurance.
"Si Ballenger" <shb*NO*SPAM*@comporium.net> wrote in message
news:41a5fa57.80299805@news.comporium.net...
> On Thu, 25 Nov 2004 07:58:28 +0100, "Björn Holmgren"
> <bjohol@hotmail.com> wrote:
>
>
>http://www.everythingusb.com/hardware/USB_Legacy_Converters/USB-to-Serial_A
d
> >apters.htm
>
> Maybe a little cheaper, but note the note about using terminal
> programs.
>
> http://www.compgeeks.com/details.asp?invtid=USB2RS232&cat=CBL
>
> >"Jason H" <Jason H@discussions.microsoft.com> wrote in message
> >news:2D15527E-7F72-49A4-B0AD-2ABD08F6C0B3@microsoft.com...
> >> Hi Marc,
> >> Can you direct me to the suppliers of such a device?
> >> Thanks Jason
> >>
> >>
> >> "Marc Reinig" wrote:
> >>
> >> > USB ports are not ports in the same way that COM ports are. You
would
> >need
> >> > to attach a USB device that is a serial port and exposes a COM port
> >> > interface. There would be no change to your software since it would
> >still
> >> > be talking to a COM port, but you would have to add a USB serial
adapter
> >> > device to attach your serial-port bar code reader to.
> >> >
> >> > Marc Reinig
> >> > System Solutions
> >> >
> >> > "Jason H" <Jason H@discussions.microsoft.com> wrote in message
> >> > news:2AF7A493-57F4-487A-B8E1-72A92AF90BBE@microsoft.com...
> >> > >I have an application which uses the MSComm control to interface a
> >barcode
> >> > > scanner. Some new laptops do not have a COM port anymore - just
lots
> >of
> >> > > USB
> >> > > ports. How can I change my application to deal with this?
> >> >
> >> >
> >> >
> >
> >
>
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