Hello Mr O'Shea,
My name is Edwin van den Oetelaar (some info
http://www.linkedin.com/in/oetelaar )
I would be interested in making this work also as a universal display
module for my linux appliance. (keys using I2C maybe)
It sounds feasible to me, I would expect a maximum of 15 fps, but for
me that is OK.
Please keep the list updated on your progress.
On Mon, Dec 12, 2011 at 4:42 AM, Daniel O'Shea <dan@xxxxxxxxxxxxx> wrote:
> Hello, this is my first message to the list and I am very happy to have
> found my way here - I want to get some opinions on an idea I have, to find
> out if it sounds like I am on the right track or just barking up the wrong
> tree! I want to use the FT2232H to drive a 2.4" LCD display over USB. Using
> Channel A in asynchronous bit-bang mode connected to the WR and RD pins on
> the LCD, sending 16-bit colour values for each pixel (2 transfers per pixel
> in 8-bit mode). While simultaneously using Channel B in MPSSE mode and
> utilising two of the available GPIOs to drive the 'Chip Select' and
> 'Register Select' pins on the LCD. Here is the datasheet for the LCD driver
> chip:
>
> http://www.adafruit.com/datasheets/ILI9325.pdf
>
> Does this sound feasible? Can I expect the two channels on the FT2232H to be
> tightly integrated enough to have them cooperate in this way? and still have
> a usable I2C port available on Channel B while driving the MPSSE GPIOs at
> the same time?
>
> And lastly, what sort of frame rate should I be expecting per second, at
> 153,600 bytes per frame? (240 * 320 pixels * 16-bits per pixel / 8)
>
> Thank you very much for any advice and insight you can offer!
>
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