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Reduce SPI read clock frequency to avoid bit errors on reading CGRAM.

Add option to use SPI3 in STM32F4 (and possibly also in F2)

On ESP8266 when using overlap, only one SPI device can share the FLASH SPI bus .

In setup add:
#define FONT_4_GBP
To replace $ with £ in font 4

Auto set of CGRAM offset for 135 x 240 ST7789 display

Correct sprite rendering
GC9A01 expects exact number of pixels to fill setWindow area.

tft_Write_16N was missing.

Setup for the ESP32 S2 with Adafruit ST7789 display

Declare header files for PlatformIO

ESP32 S2 edits caused a problem

Tested with ESP32 board package 2.0.1

Additional boards manager URL may need to be updated to load the latest ESP32 board package!

Fix HX8375D rotation values

RPi display requires 16 bit commands and slower DC and CS strobe timings.

memcpy should be memmove since areas overlap.

the ILI9486 driver work well with this

Create Setup52_LilyPi_ST7796.h