[Usb To Lpt Port Emulator Download
Julieann Rohde
But ... I'm developing on a machine without an physical RS232 serial ports, but I would like to make fake serial ports that I can connect to and output data from with the aim of faking input from hardware sensors.
It provides pairs of virtual COM ports that are linked via a nullmodem connetion. You can then use your favorite terminal application or whatever you like to send data to one COM port and recieve from the other one.
One good option is Virtual Serial Port Emulator (VSPE) from EterlogicIt provides an API for creating kernel mode virtual comport devices, i.e. connectors, mappers, splitters etc. This is a small company but continues to expand and maintain their product list. (noted early 2023)
Another very good option is Eltima. This product worked as advertised in all aspects of its virtual comport offering, and included good technical support. Product options include both desktop applications, as well as software development kits with APIs. This company remains active and growing, with expanding product categories. (noted early 2023)
Pro tips:1) Windows may assign new COM ports to the adapters after every device sleep or reboot.2) The market leaders in chips for USB to serial are Prolific and FTDI. Both companies are battling knockoffs, and may be blocked in future official Windows drivers. The Linux drivers however work fine with the clones.
That way you can work directly with the sensors, and you do not have to try and emulate data. That way you are maybe even save from building an anemic system.(Due to your emulated data inputs not covering all cases, leading you to a brittle system.)
ethernet address 127.0.0.1 is reserved for use as the machine the application is running on. it allows different applications to connect to one another (different port #s) without needing to know the IP address of the machine they run on
the application i was working on received information thru the com port from an arduino. i don't have the arduino hardware and thought a simple way to test would be to use a terminal emulator, a program that runs on a PC that allows you to tx/rx to a serial interface. if there was a virtual com port(s) (e.g. com99 and com100) both applications could be run and tested together using those ports.
since i run cygwin which provides a linux like environment, having a /dev/, i see a pty0 and a pty1. using those device names, i was able to open 2 terminal emulators on my PC and when i entered keypress on the one emulator, they appears on the other.
The Null-modem emulator allows you to create an unlimited number of virtual COM port pairs and use any pair to connect one COM port based application to another. Each COM port pair provides two COM ports. The output to one port is the input from other port and vice versa.
VSPE is intended to help software engineers and developers to create/debug/test applications that use serial ports. It is able to create various virtual devices to transmit/receive data. Unlike regular serial ports, virtual devices have special capabilities: for example, the same device can be opened more than once by different applications, that can be useful in many cases. With VSPE you are able to share physical serial port data for several applications, expose serial port to local network (via TCP protocol), create virtual serial port device pairs and so on.
This license allows you to use VSPE API in 32/64 bit Windows environments and you get your unique vendor ID.
Please contact Eterlogic Support and describe your usage scenario to find out if this license is applicable for you.
The Null-modem emulator allows you to create an unlimited number of virtual COM portpairs and use any pair to connect one COM port based application to another.Each COM port pair provides two COM ports. The output to one port is the input from otherport and vice versa.
The Null-modem emulator can be used to provide serial interface for device emulators.In this case the device emulation program uses one port of the pair andthe other port can be used by Windows or DOS application thatrequires a COM port to communicate with the device.For example, to send/receive faxes over IP you can connect WindowsFax application to t38modem (T38FAX Pseudo Modem ,part of the t38modem project ) via virtual COM port pair.
The Null-modem emulator can be used to provide serial interface for COM port redirectors.For example, with the com2tcp (COM port to TCP redirector,part of the com0com project ) you can communicate via serial interface with the TCP/IP servers.If you feel that com2tcp is what you need but can't find some required features (for example RFC 2217 support) then try use hub4com instead.
With the hub4com (HUB for communications,part of the com0com project ) it is possible to handle data and signals from a single serial device by a number of differentapplications (for example, several applications can share data from one GPS device).It's also possible to use the real serial ports of remote computer like if they exist on a local computer.
MSP430G2
I recently acquired an MSP430 launchpad and have been eager to make it work. Unfortunately, nothing seems to work. I have been trying to download a piece of code that I wrote but I keep getting the above error. I have tried using the IAR IDE,l but I also get an error similar to the above one.
I know this isn't really a fix for your problem, but I have to make one point because I had the same error and it was stumping me for a while, There really ought to be a troubleshooter sticky for dummies like me.
According to TI, when the Launchpad G2 is plugged into USB port, the driver and other DLLs for that device are "automatically" installed if you have CCS or IAR in the system. But your experience seems to indicate that CCS or IAR will try to find "MSP-FET430UIF" and could not find that.
I have this same issue. CCS v5.2 will not allow me to access my LaunchPad. I get the same error message all the time. It had worked before, then i did a project using a real FET430UIF for a while. Now I don't have the FET430UIF connected any more, and it won't let me talk to the LaunchPad. I tried all the suggestions above, to no avail. Why does it think I have an FET430UIF? I can't find anywhere that the tool type is set to FET430UIF. It is as if it decided on its own that since I used an FET430UIF once, I am no longer allowed to use LaunchPad!
OK, found the problem. I have another USB device from another vendor that can't be plugged in at the same time. It doesn't indicate any problem, but the two can't co-exist, or CCS thinks my LaunchPad is an FET430UIF!
I never heard of the programs your talking about.At least i found tty0tty that worked great for me,but i didn't have to link two programs, just wantedto simulate a nullmodem cable between to serial ports.
Serial Port Emulator is the software used for Windows COM port emulation with our Serial Device Servers. This utility is operated in Windows 95/98/Me, Windows NT 4.0, Windows 2000 and Windows XP, Windows server 2003, and Windows Vista.
I went to work on a project using an MSP430 that I started a few months ago but fell by the wayside. When I went to launch my project (that worked previously) however I received the following error: "Error initializing emulator: Could not initialize device interface".
I did some googling and although questions were on much older versions of CCS (I was on 5.3) the consensus seemed to be to update. I updated through the Help>Check for Updates menu option. This resulted in a slightly different error message of "Error initializing emulator: Interface Communication error" but I still cannot launch my project. Then I opted to completely uninstall and reinstall but still receive the second error.
Oh, now I feel silly for not thinking of that. I went and check it to discover that the FET device had an error stating "Windows cannot start this hardware device because its configuration information (in the registry) is incomplete or damaged". I googled that and multiple results said to uninstall and reinstall the device via right clicking on it in Device Manager, selecting uninstall, then scanning for hardware changes. Once I did this it worked.
If I used Linux I would run a program like picocom or minicom. Also in Windows 7 I could install HyperTerminal and open COM1 port or use Putty for that. But I would like to do it from CygWin's mintty because I like its fonts and some other small joys. It seems mintty itself is not able to work with serial ports, so I wonder if there is a program like picocom or minicom in CygWin's repository.
Having done some research on terminal emulators today, I feel the need to hail the virtues of xterm. This FAQ documents a lot of the bugs in other terminal emulators which aim to be xterm or VT-100 compatible. You can also use vttest to reveal a lot these issues for yourself. What puts a lot of people off of xterm though is the lack of a menu configuration. This leads a lot of people to think xterm is not configurable at all, however it is in fact highly configurable, it just has to be done via files like .Xresources or command line options.
More gripes include lack of clipboard support and so lack of copy/paste with Ctrl-Shift-C/Ctrl-Shift-V by default, however this can be overcome. Another is the lack of tabs, however many advanced Linux users prefer to use tmux or GNU screen which provide equivalent features.
This leads me to the real answer to your question - screen can be used to connect to serial port and should work on Cygwin despite /dev/ttySX not showing up with ls. With this you should be able to use any terminal emulator you like, be it xterm or mintty. xterm lacks many modern features and so may not be for everyone, but it is work noting that it is difficult to match what happens under the hood.
Virtual Serial Port Driver is a software package developed by Electronic Team that functions as a virtual COM port emulator on Windows machines. The software enables you to create virtual COM ports that you can connect in pairs by using a virtual null-modem cable. Every virtual serial port that you create will communicate with your serial applications as if they were actually physical ports.
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