Add 16 bit parallel for RP2040 processor

Correct legacy comments
Add ESP32 S3 parallel setup 70d
Add setups 105-107 for RP2040 with 16 bit display
Add file conversion notes to PNG array example

User_Setups/Setup105_RP2040_ST7796_16bit_parallel.h

@@ -0,0 +1,60 @@
+// This setup is for the RP2040 processor only when used with 8 bit parallel displays
+// See SetupX_Template.h for all options available
+#define USER_SETUP_ID 105
+
+////////////////////////////////////////////////////////////////////////////////////////////
+// Interface
+////////////////////////////////////////////////////////////////////////////////////////////
+#define TFT_PARALLEL_16_BIT
+
+////////////////////////////////////////////////////////////////////////////////////////////
+// Display driver type
+////////////////////////////////////////////////////////////////////////////////////////////
+#define ST7796_DRIVER
+
+////////////////////////////////////////////////////////////////////////////////////////////
+// RP2040 pins used
+////////////////////////////////////////////////////////////////////////////////////////////
+
+//#define TFT_CS   -1  // Do not define, chip select control pin permanently connected to 0V
+
+// These pins can be moved and are controlled directly by the library software
+#define TFT_DC    3    // Data Command control pin
+#define TFT_RST   2    // Reset pin
+
+//#define TFT_RD   -1  // Do not define, read pin must be permanently connected to 3V3
+#define TFT_WR   4
+
+// PIO requires these to be sequentially increasing GPIO with no gaps
+#define TFT_D0    6
+#define TFT_D1    7
+#define TFT_D2    8
+#define TFT_D3    9
+#define TFT_D4   10
+#define TFT_D5   11
+#define TFT_D6   12
+#define TFT_D7   13
+#define TFT_D8   14
+#define TFT_D9   15
+#define TFT_D10  16
+#define TFT_D11  17
+#define TFT_D12  18
+#define TFT_D13  19
+#define TFT_D14  20
+#define TFT_D15  21
+
+
+////////////////////////////////////////////////////////////////////////////////////////////
+// Fonts to be available
+////////////////////////////////////////////////////////////////////////////////////////////
+#define LOAD_GLCD   // Font 1. Original Adafruit 8 pixel font needs ~1820 bytes in FLASH
+#define LOAD_FONT2  // Font 2. Small 16 pixel high font, needs ~3534 bytes in FLASH, 96 characters
+#define LOAD_FONT4  // Font 4. Medium 26 pixel high font, needs ~5848 bytes in FLASH, 96 characters
+#define LOAD_FONT6  // Font 6. Large 48 pixel font, needs ~2666 bytes in FLASH, only characters 1234567890:-.apm
+#define LOAD_FONT7  // Font 7. 7 segment 48 pixel font, needs ~2438 bytes in FLASH, only characters 1234567890:.
+#define LOAD_FONT8  // Font 8. Large 75 pixel font needs ~3256 bytes in FLASH, only characters 1234567890:-.
+#define LOAD_GFXFF  // FreeFonts. Include access to the 48 Adafruit_GFX free fonts FF1 to FF48 and custom fonts
+
+#define SMOOTH_FONT
+
+////////////////////////////////////////////////////////////////////////////////////////////

User_Setups/Setup106_RP2040_ILI9481_16bit_parallel.h

@@ -0,0 +1,64 @@
+// This setup is for the RP2040 processor when used with 8 bit parallel displays
+// See SetupX_Template.h for all options available
+#define USER_SETUP_ID 106
+
+////////////////////////////////////////////////////////////////////////////////////////////
+// Interface
+////////////////////////////////////////////////////////////////////////////////////////////
+//#define TFT_PARALLEL_8_BIT
+#define TFT_PARALLEL_16_BIT
+
+
+////////////////////////////////////////////////////////////////////////////////////////////
+// Display driver type
+////////////////////////////////////////////////////////////////////////////////////////////
+//#define ILI9481_DRIVER
+//#define HX8357B_DRIVER
+#define HX8357C_DRIVER
+
+////////////////////////////////////////////////////////////////////////////////////////////
+// RP2040 pins used
+////////////////////////////////////////////////////////////////////////////////////////////
+
+// These pins can be moved and are controlled directly by the library software
+#define TFT_RST   18  // Reset pin
+#define TFT_CS    19  // Do not define if chip select control pin permanently connected to 0V
+//#define TFT_RD   -1   // Do not define, read pin must be permanently connected to 3V3
+
+// Note: All the following pins are PIO hardware configured and driven
+  #define TFT_WR   16    // Write strobe pin
+  #define TFT_DC   17    // Data Command control pin
+
+  // PIO requires these to be sequentially increasing
+  #define TFT_D0    0
+  #define TFT_D1    1
+  #define TFT_D2    2
+  #define TFT_D3    3
+  #define TFT_D4    4
+  #define TFT_D5    5
+  #define TFT_D6    6
+  #define TFT_D7    7
+  #define TFT_D8    8
+  #define TFT_D9    9
+  #define TFT_D10  10
+  #define TFT_D11  11
+  #define TFT_D12  12
+  #define TFT_D13  13
+  #define TFT_D14  14
+  #define TFT_D15  15
+//*/
+
+////////////////////////////////////////////////////////////////////////////////////////////
+// Fonts to be available
+////////////////////////////////////////////////////////////////////////////////////////////
+#define LOAD_GLCD   // Font 1. Original Adafruit 8 pixel font needs ~1820 bytes in FLASH
+#define LOAD_FONT2  // Font 2. Small 16 pixel high font, needs ~3534 bytes in FLASH, 96 characters
+#define LOAD_FONT4  // Font 4. Medium 26 pixel high font, needs ~5848 bytes in FLASH, 96 characters
+#define LOAD_FONT6  // Font 6. Large 48 pixel font, needs ~2666 bytes in FLASH, only characters 1234567890:-.apm
+#define LOAD_FONT7  // Font 7. 7 segment 48 pixel font, needs ~2438 bytes in FLASH, only characters 1234567890:.
+#define LOAD_FONT8  // Font 8. Large 75 pixel font needs ~3256 bytes in FLASH, only characters 1234567890:-.
+#define LOAD_GFXFF  // FreeFonts. Include access to the 48 Adafruit_GFX free fonts FF1 to FF48 and custom fonts
+
+#define SMOOTH_FONT
+
+////////////////////////////////////////////////////////////////////////////////////////////

User_Setups/Setup107_RP2040_ILI9341_16bit_parallel.h

@@ -0,0 +1,65 @@
+// This setup is for the RP2040 processor only when used with 8 bit parallel displays
+// See SetupX_Template.h for all options available
+#define USER_SETUP_ID 107
+
+////////////////////////////////////////////////////////////////////////////////////////////
+// Interface
+////////////////////////////////////////////////////////////////////////////////////////////
+//#define TFT_PARALLEL_8_BIT
+#define TFT_PARALLEL_16_BIT
+
+////////////////////////////////////////////////////////////////////////////////////////////
+// Display driver type
+////////////////////////////////////////////////////////////////////////////////////////////
+//#define ILI9341_DRIVER
+//#define ILI9481_DRIVER // Tested
+//#define HX8357B_DRIVER // Tested
+//#define HX8357C_DRIVER // Tested
+#define SSD1963_800_DRIVER
+
+////////////////////////////////////////////////////////////////////////////////////////////
+// RP2040 pins used
+////////////////////////////////////////////////////////////////////////////////////////////
+
+// These pins can be moved and are controlled directly by the library software
+#define TFT_RST   18  // Reset pin
+#define TFT_CS    19  // Do not define if chip select control pin permanently connected to 0V
+//#define TFT_RD   -1   // Do not define, read pin must be permanently connected to 3V3
+
+// Note: All the following pins are PIO hardware configured and driven
+  #define TFT_WR   16    // Write strobe pin
+  #define TFT_DC   17    // Data Command control pin
+
+  // PIO requires these to be sequentially increasing
+  #define TFT_D0    0
+  #define TFT_D1    1
+  #define TFT_D2    2
+  #define TFT_D3    3
+  #define TFT_D4    4
+  #define TFT_D5    5
+  #define TFT_D6    6
+  #define TFT_D7    7
+  #define TFT_D8    8
+  #define TFT_D9    9
+  #define TFT_D10  10
+  #define TFT_D11  11
+  #define TFT_D12  12
+  #define TFT_D13  13
+  #define TFT_D14  14
+  #define TFT_D15  15
+//*/
+
+////////////////////////////////////////////////////////////////////////////////////////////
+// Fonts to be available
+////////////////////////////////////////////////////////////////////////////////////////////
+#define LOAD_GLCD   // Font 1. Original Adafruit 8 pixel font needs ~1820 bytes in FLASH
+#define LOAD_FONT2  // Font 2. Small 16 pixel high font, needs ~3534 bytes in FLASH, 96 characters
+#define LOAD_FONT4  // Font 4. Medium 26 pixel high font, needs ~5848 bytes in FLASH, 96 characters
+#define LOAD_FONT6  // Font 6. Large 48 pixel font, needs ~2666 bytes in FLASH, only characters 1234567890:-.apm
+#define LOAD_FONT7  // Font 7. 7 segment 48 pixel font, needs ~2438 bytes in FLASH, only characters 1234567890:.
+#define LOAD_FONT8  // Font 8. Large 75 pixel font needs ~3256 bytes in FLASH, only characters 1234567890:-.
+#define LOAD_GFXFF  // FreeFonts. Include access to the 48 Adafruit_GFX free fonts FF1 to FF48 and custom fonts
+
+#define SMOOTH_FONT
+
+////////////////////////////////////////////////////////////////////////////////////////////

User_Setups/Setup70d_ILI9488_S3_Parallel.h

@@ -0,0 +1,36 @@
+
+#define USER_SETUP_ID 146
+
+#define TFT_PARALLEL_8_BIT
+
+//#define ILI9341_DRIVER
+//#define ST7796_DRIVER
+#define ILI9488_DRIVER
+
+// ESP32 S3 pins used for the parallel interface TFT
+#define TFT_CS    9
+#define TFT_DC    8  // Data Command control pin - must use a GPIO in the range 0-31
+#define TFT_RST  34
+
+#define TFT_WR    7  // Write strobe control pin - must use a GPIO in the range 0-31
+#define TFT_RD    6
+
+#define TFT_D0   12  // Must use GPIO in the range 0-31 for the data bus
+#define TFT_D1   13  // so a single register write sets/clears all bits
+#define TFT_D2   14
+#define TFT_D3   15
+#define TFT_D4   16
+#define TFT_D5   21
+#define TFT_D6    5
+#define TFT_D7    4
+
+
+#define LOAD_GLCD
+#define LOAD_FONT2
+#define LOAD_FONT4
+#define LOAD_FONT6
+#define LOAD_FONT7
+#define LOAD_FONT8
+#define LOAD_GFXFF
+
+#define SMOOTH_FONT

User_Setups/SetupX_Template.h

@@ -35,7 +35,8 @@
 
 // Tell the library to use 8 bit parallel mode (otherwise SPI is assumed)
 //#define TFT_PARALLEL_8_BIT
-
+//#define TFT_PARALLEL_16_BIT // **** 16 bit parallel ONLY with RP2040 processor ****
+ 
 // Display type -  only define if RPi display
 //#define RPI_DISPLAY_TYPE // 20MHz maximum SPI