Jan 31, 2018 - This paper briefly introduces hardware connection, serial port settings, operation commands and control characters in the serial communication. Use the same USB port and label it with the appropriate serial port number. Note, for an event with 300+ entries, if you process entries flat out on 2 PCs until the. '-t' is not essential: all it does is remove the Visual Foxpro splash screen). Perspective pilot 1.0.1 portable.

Thanks for your responses. What I am working with is a credit card authorization system that I am converting from FP2.6 to Visual. The BIN library that I used for my modem communication in the 2.6 version did an XOR on the string and returned one byte as the LRC.

'123' returned an LRC of '0' (asc(48)) I've been trying to figure out how they are doing the xor in this bin library and if you have a clue, I'd love to hear it.lol Thanks again - Andy RE: Calculating LRC value for serial communications. (Programmer) 29 May 02 09:53. The following should give you what you need. (Note: While written in VFP 7.0, I just checked, and it seems to work just fine in 5.0, and I'll assume 6.0 as well.

Vfp Serial Port Toolkit More like this: Search: Vfp Serial Port Toolkit Software Store Serial Port Toolkit to communicate wih a modem or other serial port device ActiveComport Serial Port Toolkit 2.0 by ActiveXperts Software $149.00 Serial Port Toolkit Serial port toolkit to enable applications or scripts to communicate with a modem or other serial port device. Features full com port control, binary and ASCII data transfer, support for RS 232 and RS 485 standards and ISDN modem support.

Can be used by ASP, ASP.NET, Visual Basic, Visual Basic.NET, Visual C++, Visual C#.NET or VBScript. Samples for all platforms and development tools are provided. (1 MB) COM Port Toolkit 3.6 by Michael Golikov $29.00 Serial port monitoring on Win9x/ME/2K/XP PCs COM Port Toolkit is an integrated serial communications testing toolkit. It sends user's data to and receives one from a device and records all transfers to a log. You can test equipments serial communications protocol by hand: feed it input, check the output. COM Port Toolkit can capture serial communications between the device and the software by using special serial port driver. (1.1 MB) Serial Port ActiveX Control 2.5 by ELTIMA Software GmbH $61.95 Serial Port ActiveX Control Serial Port ActiveX Control is a powerful component that lets developers quickly and effectively work with serial port.

Use Serial Port component to easily communicate with external devices on RS232 connection, such as modems, bar code readers, PBX and so on. Serial Port introduces several extremely useful properties for detailed setting of serial port, numerous methods to write and read from port and events to control serial port state changes. (1001 KB) Serial to Ethernet Connector 3.0 by ELTIMA Software GmbH $99.95 Share serial port data over TCP/IP network This is software-based solution that lets you share up to 255 serial port devices over TCP/IP network. So, any serial port device connected to COM port could be accessed from anywhere as if it is attached to local PC.

It provides the ability to create three different types of connection: Port-to-port, Port-to-TCP client and Port-to-TCP server. Serial to Ethernet Connector uses virtual port technology which emulates real serial ports. (3.9 MB) Shared Serial Ports 1.1 by ELTIMA Software GmbH $111.95 Share real serial ports between applications Shared Serial Port - advanced utility to share real serial ports between applications so that all applications will receive/send data from/to real serial port simultaneously. Shared Serial Port creates virtual serial ports, which are same copies as real ones.

Any virtual serial port will have the same name as the real one and any number of applications will be capable of using it at the same time. (1.5 MB) Serial Splitter 3.0 by ELTIMA Software GmbH $99.95 Split serial port to be used by several apps Serial Splitter is an application, based on Windows kernel drivers technology and Eltima Virtual Serial Ports Driver. It allows you to share real serial port between several applications in a way that all applications will receive same data from one serial port simultaneously. It is achieved by creating virtual serial ports, which are same copies of real ones. Each application will think that it is working with serial port in exclusive mode.

(2.4 MB) VSPD Mobile Phone Edition 3.1 by ELTIMA Software GmbH $49.95 VSPD Mobile emulates COM-ports Virtual Serial Ports Driver Mobile can create up to 20 pure virtual serial ports in your mobile system, resulting in 10 virtual serial port pairs available for integration. 2 ports in a pair are connected via a virtual null-modem and emulate real serial ports. Virtual serial ports pair can be used to transfer files, other data as if there are additional real serial ports in your smartphone. The solution can be used for GPS simulation software. (116 KB) Virtual Serial Ports Driver XP 4.0 by ELTIMA Software GmbH $111.95 VSPD XP 4.0 - Linked serial ports emulator Using Virtual Serial Ports Driver XP you can create any number of virtual serial COM ports in your system which will be virtually connected to each other via virtual null-modem cable. For other Windows applications, virtual serial port pair will be seen exactly as two real serial ports connected via null-modem cable.

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