And it worked without any fuss! It is too long ago to remember what problems I had before but whatever they were, they seem to have gone. Thank you again.
Just to let you know there is a RA8875 that comes bundled with teensyduino. It supports rotation in 0, 1, 2 and 3 from what I remember and also allows use of ILI9341 and adafruit fonts - not just the internal fonts. Might give it a try - it is...
I have had a great deal of difficulty getting the in-built font to print in portrait mode but I have found a bodge which enables me to do what I want. I document it here in case it is of use to somebody else. It is not a rigorous piece of work...
I use multiple T3.6s and T4.1s and I find the following check very useful!
(note these are code snippets, not reviewed for elegance, supplied just to give an idea of what is possible. Feel free to improve it!)
For me it is important to ensure...