K9A plantinum and Parallel Port. [closed]
Greetings,
I'm wondering bout the parallel port settings in the bios.
What settings are recommended for Vista 64. I've tried most "common" settings without luck. :(
I've been trying to get my hp2100 to function under vista and linux, but just cant get it to operate.
I'm starting to fear a defective MB. In fact vista has been terribly unstable on this system.
I've verified the RAM with memtest.
I've had the printer functioning perfectly on a prior computer. Normally windows auto detects the hp 2100. I get nothing from vista.... thought the hardware manager does say the LPT for is operational.
comments? Suggestions?
Thanks
Any answers to those?:
Quote from: Bas on 16-December-07, 09:39:26
What HP 1200 might this be?
LaserJet, DeskJet, what???
HP has hundreds of devices that have the number 1200...
What you have tried from those and what are the results?:
Quote from: BOSSKILLER on 16-December-07, 07:02:54
"Next I tried ECP DMA 1 This also did not detect the 2100 but I was able to finish the wizard, but alas I was still unable to print. Testing the printer stated that the test sheet was sent, but the printer never responds."
Check printer cable connections, try change printer port, switch to EPP+ECP.
Pickup latest drivers from HP for your Printer:
http://h20000.www2.hp.com/bizsupport/TechSupport/ProductList.jsp?lang=en&cc=us&prodTypeId=18972&prodSeriesId=25469&taskId=135
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}Thanks.After much googling and searching all over the web, I found out that package javax.comm is just redundant and, for a lack of more appropriate word, useless. The same goes for package rxtx. However, I came across something called parport that gives excellent output in very simple ways :)
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Is it possible to control the parallel port with Lookout 5.0
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Hi all!
I'm new with java and I would appreciate some help!
What I'm trying to do is to control an external device, like 8 LEDs, to turn them on and off using parallel port, data lines( pins 1....9 );
Maybe someone of you guys already had made this and you could give me some tips or some direction to follow.
What I already know is that I have to set one of the parallel bits to +5V and some of them to 0V in order to simulate that the device(printer) is ok.
I know that I have to use additional library "comm.jar" but in this package there are no useful methods in order to control data lines.
Maybe I am missing something!
ThanksTry this one: [http://rxtx.qbang.org]
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Edited by: yawah on 11.12.2009 00:11 -
Labview cant see parallel port
We have this old computer in the lab and when I tried to test a new program
on it I found that labview cannot seem to see the serial port. The port
works fine in hyperterminal, but in labview the serial control which usually
has a dropdown box to choose com1, com2, etc, now cannot dropdown.
Measurement and Automation also does not list serial and parallel ports
after a refreshview. The computer has both 6.02 and 6.1 installed on it, so
I suspect that maybe I need to uninstall and reinstall but I hate to go
through all that trouble if it's something simple. Has anyone seen this
kind of thing before?Hi Adam,
You can have both Labview 6.0.2 and 6.1 on the same machine without problems. But you should have only one version of the drivers on the machine. You may have multiple versions of the drivers since the basic drivers get installed with labview. You can uninstall the old drivers by going to add/remove programs. Choose the older labview version (6.0.2 in this case)and hit change. Select Modify on the next window, on the drivers section in the next window right click on drivers and select 'Do not Install this feature'.
This should leave you with only one version of labview installed drivers. Also look into add/remove programs for multiple versions of Measurement and Automation Explorer (MAX)and NI-VISA.
You must have VISA 2.5 (or higher) for this. MAX needs
the NI-VISA driver in order to access the COM ports on your system. Without NI-VISA installed, you will be unable to access or create serial, GPIB-VXI, or TCP/IP interfaces.
Note: Though you mention parallel port in the title, since you refer to COM1, COM2 i guess you are refering to serial ports.
Hope this helps,
Pravin -
Hi there,
Well I'm making a school project. It consist of a temperature sensor connected to the parallel port of the PC. Well obiously the problem isn't the electronics, the problem, is that I want to make an GUI for that circuit using Java. Could you please give me some web pages with information or maybe some guidence to begin the search in the web. Thanks.Access to serial and parallel ports in java is handled by javax.comm, an additional library you will have to download. Unfortunately, it is not available for all platforms, so you might want to check out the open source alternative rxtx as well.
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Does anybody know how to read/write through the parallel port with Lookout 5.0? Is there any example code for this?
Hi,
It is possible to send bytes to the parallel port using the ASCII object within Lookout. However, it is presently not possible to control the state of the individual bits on the parallel port with Lookout.
If you need to control the individual bits on a parallel port, consider using LabVIEW. It is much more powerful when programming serial and parallel ports.
Remzi A.
National Instruments -
Control parallel port (data and control lines)
I need to control the output on the parallel port (LPT1) - Both data and control lines. Once the data is written (Pins2-9), I then need to toggle the Sprocket signal (PIN1) - on the parallel port. The sprocket signal is also referred to as the Data Strobe Output.
The required method is as follows:
1. Lower the sprocket signal on PIN1
2. Send the data (Pins2-9) and wait
3. Raise the sprocket signal and wait.
4. Repeat.
I am looking for a method to control the data on LPT1 pins 2-9 and then be able to toggle PIN1 - Strobe signal - without the data falling from the other pins. What I have found is that whenever the state is changed on the strobe - the data that was written to Pin2-9 falls to zero. This will not work for my application - the strobe tells the hardware device that the data is ready. If it falls to zero when I toggle the strobe - that will not work.
Regards,
GuyHello Adam,
I am familiar with both references. If you look more closely at the library reference - it allows me to communicate using VISA across the parallel port pins 2-9. It does not permit direct communication to pin1 (the strobe signal) - property nodes don't allow the strobe to be refereced either (similar to control lines/signals for COM ports).
Worse, I have also located examples using OUT PORT that does enable pin1 to be toggled. The problem is, when those VIs are used, the data falls from the data pins when the strobe signal is written, even if its value is not changed. For example, if the strobe is already high, if another high value is passed, the data falls from the data lines. The other issue, when using VISA, as soon as the data is writen, the strobe signal automatically goes high even though I need a wait before setting the strobe high. This is in complete contradiction to the second article you referenced which clearly discusses writing data to pins2-9 then taking the strobe high to indicate to the printer that new data is available. It must be possible since this is the typical handshake.
I am still looking for a more complete answer/solution.
Regards,
Guy
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