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Does your digitizer come with some kind of API library? &nbsp;Do you have any documentation on what comes through the serial port when you click? &nbsp;Without this, you cannot do much.
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Does your digitizer come with some kind of API library?  Do you have any documentation on what comes through the serial port when you click?  Without this, you cannot do much.

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If its connected to COM1, you'll need to know the protocol (bauds, parity bits, etc) like you'll do it in the mouse (3 packed bytes), are you sure is the COM1 and not the Game port???<br />
<br />
I now how to access the port, but like i say, no protocol, it won't help you that much...
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If its connected to COM1, you'll need to know the protocol (bauds, parity bits, etc) like you'll do it in the mouse (3 packed bytes), are you sure is the COM1 and not the Game port???

I now how to access the port, but like i say, no protocol, it won't help you that much...

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No wonder your number one here...
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<div>
I too have a similar problem where I need to use a digitizer.<br />
I need to talk to digitizer under MSDOS ver 6.22 or higher<br />
using Turboc C ver. 3.0 compiler.
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I too have a similar problem where I need to use a digitizer.
I need to talk to digitizer under MSDOS ver 6.22 or higher
using Turboc C ver. 3.0 compiler.

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<div class="content wysiwyg-content">
Subject: Accessing digitizer <br />
<br />
&nbsp;Category: C++ <br />
<br />
&nbsp;I need to access the serial port (COM1) of my computer, to which a KURTA digitizer is attached.<br />
&nbsp;Using C, I want to get back the coordinates at which the user has clicked the pick button on the<br />
&nbsp;digitizer.<br />
&nbsp;Can anyone provide me the C source code for doing this?<br />
<br />
&nbsp;Thanks in anticipation.<br />
&nbsp;Sanjay.
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</div>


Subject: Accessing digitizer 

 Category: C++ 

 I need to access the serial port (COM1) of my computer, to which a KURTA digitizer is attached.
 Using C, I want to get back the coordinates at which the user has clicked the pick button on the
 digitizer.
 Can anyone provide me the C source code for doing this?

 Thanks in anticipation.
 Sanjay.

Accessing digitizer on COM1 port using C/C++

C is a general-purpose, imperative computer programming language, supporting structured programming, lexical variable scope and recursion, while a static type system prevents many unintended operations. By design, C provides constructs that map efficiently to typical machine instructions, so it has found lasting use in applications that had formerly been coded in assembly language, including operating systems as well as various application software for computers ranging from supercomputers to embedded systems. It is distinct from C++ (which has its roots in C) and C#, and many later languages have borrowed directly or indirectly from C.