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Hello,
I prepared this project few weeks ago. It is a kick start toall developers who wants to use LABVIEW to control the outside worldusing Serial Port. The project carries a real time testing of proteuscircuit controlled by a LABVIEW program. This is an exclusive demosince none carried out such a project between LABVIEW and proteus.
I have also created a generic PIC Serial Board that can be used to implement the simulated circuit.
Project Files:
[url=http://anonym.to/?http://ifile.it/yvpqlhm]LABVIEW Interfacing Assets by VBCoder[/url]
Software Requirements
- LABVIEW 8.6.1 or above and NI DAQ installed to be able to use serial port
- Proteus 7.2 or above
- Virtual Serial Port Driver Software (included in the project file)
- MikroBasic Pro for PIC 2009 (to display PIC source code)
- Eagle PCB (version 4.0 or above)
Screen Shot of LABVIEW Program
Screen Shot of Proteus Circuit
The project mainly controls 3 LEDS from LABVIEW via serial port.
Step 1:
- After you install and register the Virtual Serial Port Driver Software, you will be able to connect 2 serial ports virtually.
make sure that you connected COM3 to COM4 by selecting them from the dropdown comboboxes and click on the "add button" as in the picture
Nowyou have two serial ports connected to each other. It means if you senddata out from COM3, it will be received on COM4 where we shall use tosend commands from LABVIEW to Proteus Circuit.
Step 2:
Open "proteus model" found in the project files included using ISIS. Then click on the virtual COM that emulates Serial Port Terminal. Then, Choose COM3 from the physical ports combobox.
Now double click on the PIC Microcontroller chip and make sure you choose "PIC Project.Hex"as your program source code. The MikroBASIC code is included in caseyou want to learn how command is interpreted which is simply checkingfor a number sent from LABVIEW. I have commented each line of code Iwrote.
Now, run your circuit and minimize it till performing the next step.
Step 3
Open the "LV Client Application.vi" which is LABVIEW program. The drop down Combbox will display all available serial ports on your machine. Select COM4. Remember, you already selected COM3 in proteus circuit.
Now Run the VI, click on "Connect" and you can control the LEDS in proteus circuit from LABVIEW
Step 4:
Youwill find the Schematic and layout of a generic serial interfacingboard I designed in case you want to implement a physical circuit.
Ihope this project gives you a good understanding of serial portinterfacing. If you wish to ask about any part of either labview codeor PIC code, I'll be more than happy to answer as soon as I have a timeslot.
If you learn anything from this project, please spread itso others can learn from it too. I just hope you point to our forum andnot copy and paste it |
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eetop公众号
创芯大讲堂
创芯人才网
发表于 2010-1-20 14:04:01
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