Display types LCD and SPI

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1

I tried to call display_N18.SetLCDRotationGTM.Module.DisplayModule.LCDRotation.Normal);
This threw an exception with the message:
"Cannot set LCD rotation on displays that are not LCD controller based"
What display or displays are LCD controller based, and what displays are SPI based? How do I tell this from the specs in your catalog?

2

The non spi displays have about 20 signals, spi needs 4

3

One way is to look at the socket types required by the Display.
SPI use “S” socket
LCD use, at a minimum, “R”, “G”, “B”

In the Specifications Tab for the displays, there is a field “Required Socket Type”

4

I think this is a modified N18 Display Gadgeteer driver that allows rotation:
https://www.ghielectronics.com/community/codeshare/entry/819