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[Lcdproc] Noritake Itron VFD display on FT245R (ftdi)


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  • From: thomas.jarosch AT intra2net.com (Thomas Jarosch)
  • Subject: [Lcdproc] Noritake Itron VFD display on FT245R (ftdi)
  • Date: Mon Jun 23 07:50:02 2008

On Sunday, 22. June 2008 09:42:39 you wrote:
> Thanks for the tip. I saw the comment about the lost byte in the source
> code. For the 4 bit interface is the 4 bit mode command send 3 times. Is
> that the work around?

Yes, that should be it, atleast twice. Not sure about the third time though.

> The strange thing is that my LCD modules are working fine, no problem
> with the initialisation after computer start-up or disconnecting from
> the USB bus.
>
> I assume that is something more timing depended for my Noritake VFD.

You could try adding sleep calls to ftdi_HD44780_senddata()
after every ftdi_write_data() to see if it makes any difference.

Thomas




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