Re: No COM port - can I use USB for MSComm based app

From: Si Ballenger (shb*NO*SPAM*_at_comporium.net)
Date: 11/25/04 

Date: Thu, 25 Nov 2004 18:12:19 GMT

On Thu, 25 Nov 2004 09:43:23 -0600, "CajunCoiler
\(http://www.cajuncoiler.tk\)"
<cajuncoiler@totallyspamless.cox.net> wrote:

>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.

So how do you do that with a laptop??? ;-)

>"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?
>> >> >
>> >> >
>> >> >
>> >
>> >
>>
>
>