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Downloading without a Com Port

 
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Don_Kirby



Joined: 15 Oct 2006
Posts: 329
Location: Long Island, New York
Posted: 07 November 2006, 10:49 AM    Post subject: Downloading without a Com Port Reply with quote
As I mentioned in an earlier post, I have a VB application for downloading software/firmware to my ZX using the ZLoad dll. My project uses an FTDI chip for this purpose. The application, as it stands right now, uses a virtual com port, which works well enough.

Since I can't ever seem to stop 'tweaking', I am looking into the possibility of not using the VCP driver, and going the D2XX dll route. This would allow the user to plug in the USB cable, and not have to configure anything at all.

I don't see, however, any way to configure Zload.dll to not try to use a com port. Any suggestions?

-Don
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dkinzer
Site Admin


Joined: 03 Sep 2005
Posts: 2499
Location: Portland, OR
Posted: 07 November 2006, 16:36 PM    Post subject: Reply with quote
Use of a serial port is a fundamental assumption of the downloader code and the API. To use another method of communicating with the device (e.g. via the D2xx DLL) the API would need to be substantially modified or completely redesigned.
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Don_Kirby



Joined: 15 Oct 2006
Posts: 329
Location: Long Island, New York
Posted: 07 November 2006, 22:21 PM    Post subject: Reply with quote
dkinzer wrote:
... the API would need to be substantially modified or completely redesigned.


Looking through the code, I see that the com port routines are embedded everywhere. I'll do a little experimenting and see if I can't roll my own 'ZLoadUSB.dll'.

-Don
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