Feature update

Add ILI9225 support
Add viewport feature to Sprites
Rationalise common TFT_eSPI and Sprite functions and variables to use inherited functions width(), height(), rotation(), write(), pivot, cursor, swapBytes.

User_Setups/Setup10_RPi_touch_ILI9486.h

@@ -1,7 +1,8 @@
+// For ESP8266
 // See SetupX_Template.h for all options available
 
 #define RPI_DISPLAY_TYPE
-#define ILI9486_DRIVER // 20MHz maximum SPI
+#define ILI9486_DRIVER
 
 // For NodeMCU - use pin numbers in the form PIN_Dx where Dx is the NodeMCU pin designation
 #define TFT_CS   PIN_D2  // Chip select control pin D2
@@ -23,7 +24,7 @@
 #define SMOOTH_FONT
 
 
-#define SPI_FREQUENCY  16000000
+#define SPI_FREQUENCY  16000000 // Some displays will operate at higher frequencies
 
 #define SPI_TOUCH_FREQUENCY  2500000
 

User_Setups/Setup11_RPi_touch_ILI9486.h

@@ -1,6 +1,7 @@
+// For ESP32
 // See SetupX_Template.h for all options available
 #define RPI_DISPLAY_TYPE
-#define ILI9486_DRIVER // 20MHz maximum SPI
+#define ILI9486_DRIVER
 
 #define TFT_MISO 19
 #define TFT_MOSI 23
@@ -24,6 +25,6 @@
 #define SMOOTH_FONT
 
 
-#define SPI_FREQUENCY  20000000
+#define SPI_FREQUENCY  20000000 // Some displays will operate at higher frequencies
 
 #define SPI_TOUCH_FREQUENCY  2500000