VC++ DLL to send data to serial port (COM1)
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Topic: VC++ DLL to send data to serial port (COM1)
Posted By: eimon
Subject: VC++ DLL to send data to serial port (COM1)
Date Posted: 02 August 2007 at 11:49pm
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Hi! anyone who can help me? Im working on a VC++ DLL that accepts data from VB6 and then send it to COM1 which is my serial port...so from vb6 to VC++ DLL and to serial port...i hope you do hav idea on what im trying to do..i badly needed help on this...tnx in advance! ------------- you should be working |
Replies:
Posted By: Simon HB9DRV
Date Posted: 03 August 2007 at 3:09am
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Very easy - there are examples on http://www.codeproject.com - www.codeproject.com - there is no simple solution, just a series of calls to configure the serial port (speed, bits etc.) then you use OpenFile / Read / Write / Close.
This is something I do a lot in C++. ------------- Simon HB9DRV |
Posted By: eimon
Date Posted: 03 August 2007 at 8:44pm
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yes sir ive seen the samples on http://www.codeproject.com - www.codeproject.com - but the functions are limited, it only explains the communication between 2, either vb6 sending data to VC++ Dll and VC++ DLL sending data to serial ports....what i needed is the interfacing of these three, vb6 to send data to VC++ compiled DLL and then the DLL process the data and send it to serial port....so all of them are involved in the process...im a newbie on VC++ and hav not tried using the language before...pls help me sir..hav a a blessed day ahead! ------------- you should be working |
Posted By: eimon
Date Posted: 05 August 2007 at 8:37pm
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is there anyone who can help me with this... ------------- you should be working |
Posted By: Simon HB9DRV
Date Posted: 05 August 2007 at 11:46pm
Why do you want to use C++ to talk to the serial port - you can do this with VB. I don't know how - I am not a VB person - but there are many VB programs which control a serial port, you can buy commercial code to do this for about $50.
I can't help with interfacing VB to C++, only the C++ / serial port side. ------------- Simon HB9DRV |
eimon wrote:Posted By: eimon
Date Posted: 06 August 2007 at 4:11am
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Actually I am developing a driver for our system and our boss want it it to be hidden and we find turning it into a DLL a solution that is why Im creating a VC++ Dll...i have no problem regarding VB its only in VC++ in which i am stucked...I used VC++ because I can compile it into a DLL and VB does not support such....can u help me regarding on how will i send a continous data to serial port....something like infinite loop..thanks in advance ..i have been googling for weeks but just cant find anything that would help me... ------------- you should be working |
Posted By: Jose5
Date Posted: 08 August 2007 at 4:04pm
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are you a VC++ developer or just compiling straight out of the box to create a DLL file ????
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Posted By: eimon
Date Posted: 08 August 2007 at 8:30pm
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No im not a VC++ developer as I have said before its my first time to use this language..you got it right i just compile straight, I am not capable of making my own code to create a DLL...can u help me with this? ------------- you should be working |
Posted By: Jose5
Date Posted: 08 August 2007 at 8:54pm
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I can Help, go ahead send me an email to jose@tsdinc.org so i can give you my phone number ...!
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Posted By: eimon
Date Posted: 08 August 2007 at 10:03pm
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I have sent you an email as u requested..im looking forward you can help me with this.. ------------- you should be working |