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dcreemer / flipdot Goto Github PK
View Code? Open in Web Editor NEWPIL-based driver and simulator for the Alfa-Zeta Flip-Dot display
License: BSD 3-Clause "New" or "Revised" License
PIL-based driver and simulator for the Alfa-Zeta Flip-Dot display
License: BSD 3-Clause "New" or "Revised" License
This library is great and I appreciate you sharing it. But I'm getting some errors, which I'm pretty sure boil down to the fact that the library presumes each panel is 28x7, or at least that the height is exactly 7.
Unfortunately this isn't the case for my display, which is comprised of 18 panels, each 28x14 pixels. (These are AlfaZeta panels -- the XY5 comes in multiple sizes.) My configuration is 3 rows and 6 columns, such that the entire display is 28x3 = 84 pixels wide and 14x6 = 84 pixels high.
I know that the display.Display object allows you to specify arbitrary configurations so long as the panels (and the overall display?) are rectangular. But it looks like other aspects of the code require each panel's height to be 7. For example:
From your Readme file, I gather the essence of the problem is contained in your description of the underlying control protocol: "Essentially each column of 7 pixels (in a 7x28 board) is a controlled by a single byte, using the lower seven bits." Obviously you can't represent a 14-bit column in a single byte. Presumably for the 28w x 14h panels the protocol uses two bytes for each column, ignoring the highest bit of each.
Anyway, I'm not expecting you to update the library right away to enable the use of 28x14 panels. But I'd be grateful if:
Animations currently assume a 28-dot width. This should be read from the display rather than hard-coded.
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