virtual-com-port

How to create Virtual COM ports..

I am trying to implement a software Null Modem. Any suggestion how to create virtual COM Ports? Looking for tips, strategy, known techniques, etc.. ...

Any tool similar to Hyperterminal application?

HyperTerminal is a program that you can use to connect to other computers, Telnet sites, bulletin board systems (BBSs), online services, and host computers, using either your modem, a null modem cable or Ethernet connection. But My main usage of Hyperterminal is to communicate with hardware through local (virtual )COM port...

How to create a Virtual Com1 port in windows?

I am developing a mobile app to run on a pocketpc. We have a mobile printer and card swipe that uses com1 to send and get info. I'm using the device emulator and want to test without the printer. How do I create a virtual com1 port to right to and read from? I tried com0com but the device emulator will not set that as serial 0. ...

Is there such a thing as a virtual COM port receipt printer?

I'm debugging some code that writes directly to a COM port in order to print receipts on a receipt printer. The printer model is something like an Epsom TM-88. Instead of printing reams of thermal paper while debugging this code, it would be nice if I could use some kind of virtual printer. Like PDFCreator or FinePrint, but with a vir...

Accessing Bluetooth virtual COM port on Windows without manual pairing

I need to connect to a Bluetooth device through virtual COM port created in Windows. It's easy when the port has been already created during manual pairing procedure. But I would like my application to relieve an user from the manual pairing of a device. I would like to present all devices in the range, allow user to chose one, and then ...

Setting the COM Port baud rate through com0tcp

As I am using the com0tcp software to connect to a COM port on a remote computer, I keep noticing that the com0tcp automatically sets the baud rate of the port to 19200. For my purposes, I need to be able to set the rate of the COM port to 9600. Is there a specific command where I can set the port baud rate? ...

How to get virtual com-port number if DBT_DEVNODES_CHANGED event accrues?

Hi! Previously I defined com-port number using DBT_DEVICEARRIVAL: procedure TMainForm.WMDEVICECHANGE(var Msg: TWMDeviceChange); var lpdb : PDevBroadcastHdr; lpdbpr: PDevBroadCastPort; S: AnsiString; begin {Заголовок сообщения} lpdb := PDevBroadcastHdr(Msg.dwData); case Msg.Event of DBT_DEVICEARRIVAL: begin {Добавление} if l...

Scanning Local Windows System for Attached USB Devices Using C++

What is the best way to scan the local Windows system for attached USB devices using C++? I need to get a list of Vendor and Product IDs to match against the my device's IDs. If there is a way to scan for a specific VID/PID combination, that would be even better. My end goal is to retrieve the virtual COM port Windows has assigned to ...