Add support for ESP32 based M5Stack

TFT_Drivers/ILI9341_Init.h

@@ -55,7 +55,11 @@
   writedata(0x86);  //--
 
   writecommand(ILI9341_MADCTL);    // Memory Access Control
-  writedata(0x48);
+#ifdef M5STACK
+  writedata(0xA8); // Rotation 0 (portrait mode)
+#else
+  writedata(0x48); // Rotation 0 (portrait mode)
+#endif
 
   writecommand(ILI9341_PIXFMT);
   writedata(0x55);
@@ -116,4 +120,11 @@
   spi_begin();
   
   writecommand(ILI9341_DISPON);    //Display on
+
+#ifdef M5STACK
+  // Turn on the back-light LED
+  digitalWrite(TFT_BL, HIGH);
+  pinMode(TFT_BL, OUTPUT);
+#endif
+
 }

TFT_Drivers/ILI9341_Rotation.h

@@ -6,43 +6,75 @@
   writecommand(TFT_MADCTL);
   switch (rotation) {
     case 0:
+#ifdef M5STACK
+      writedata(TFT_MAD_MY | TFT_MAD_MV | TFT_MAD_BGR);
+#else
       writedata(TFT_MAD_MX | TFT_MAD_BGR);
+#endif
       _width  = _width_orig;
       _height = _height_orig;
       break;
     case 1:
+#ifdef M5STACK
+      writedata(TFT_MAD_BGR);
+#else
       writedata(TFT_MAD_MV | TFT_MAD_BGR);
+#endif
       _width  = _height_orig;
       _height = _width_orig;
       break;
     case 2:
+#ifdef M5STACK
+      writedata(TFT_MAD_MV | TFT_MAD_MX | TFT_MAD_BGR);
+#else
       writedata(TFT_MAD_MY | TFT_MAD_BGR);
+#endif
       _width  = _width_orig;
       _height = _height_orig;
       break;
     case 3:
+#ifdef M5STACK
+      writedata(TFT_MAD_MX | TFT_MAD_MY | TFT_MAD_BGR);
+#else
       writedata(TFT_MAD_MX | TFT_MAD_MY | TFT_MAD_MV | TFT_MAD_BGR);
+#endif
       _width  = _height_orig;
       _height = _width_orig;
       break;
-  // These next rotations are for bottum up BMP drawing
+  // These next rotations are for bottom up BMP drawing
     case 4:
+#ifdef M5STACK
+      writedata(TFT_MAD_MV | TFT_MAD_MX | TFT_MAD_BGR);
+#else
       writedata(TFT_MAD_MX | TFT_MAD_MY | TFT_MAD_BGR);
+#endif
       _width  = _width_orig;
       _height = _height_orig;
       break;
     case 5:
+#ifdef M5STACK
+      writedata(TFT_MAD_MV | TFT_MAD_BGR);
+#else
       writedata(TFT_MAD_MV | TFT_MAD_MX | TFT_MAD_BGR);
+#endif
       _width  = _height_orig;
       _height = _width_orig;
       break;
     case 6:
+#ifdef M5STACK
+      writedata(TFT_MAD_MX | TFT_MAD_MY | TFT_MAD_MV | TFT_MAD_BGR);
+#else
       writedata(TFT_MAD_BGR);
+#endif
       _width  = _width_orig;
       _height = _height_orig;
       break;
     case 7:
+#ifdef M5STACK
+      writedata(TFT_MAD_MY | TFT_MAD_BGR);
+#else
       writedata(TFT_MAD_MY | TFT_MAD_MV | TFT_MAD_BGR);
+#endif
       _width  = _height_orig;
       _height = _width_orig;
       break;

User_Setup_Select.h

@@ -32,6 +32,7 @@
 //#include <User_Setups/Setup9_ST7735_Overlap.h>   // Setup file configured for my ST7735
 //#include <User_Setups/Setup10_RPi_touch_ILI9486.h>  // Setup file configured for my stock RPi TFT with touch
 //#include <User_Setups/Setup11_RPi_touch_ILI9486.h>  // Setup file configured for my stock RPi TFT with touch
+//#include <User_Setups/Setup12_M5Stack.h>           // Setup file for the ESP32 based M5Stack
 
 //#include <User_Setups/SetupX_Template.h> // Setup file template for copying/editting
 

User_Setups/Setup12_M5Stack.h

@@ -0,0 +1,85 @@
+//                            USER DEFINED SETTINGS
+//
+//   The User_Setup header that will be called up is defined in User_Setup_Select.h
+//
+//   Set driver type, fonts to be loaded, pins used and SPI control method etc
+//   
+//   If this file is edited correctly then all the library example sketches should
+//   run without the need to make any more changes for a particular hardware setup!
+
+// ##################################################################################
+//
+// Section 0. Call up the right driver file and any options for it
+//
+// ##################################################################################
+
+#define ILI9341_DRIVER
+
+#define M5STACK
+
+// ##################################################################################
+//
+// Section 1. Define the pins that are used to interface with the display here
+//
+// ##################################################################################
+
+// M5Stack
+#define TFT_MISO 19
+#define TFT_MOSI 23
+#define TFT_SCLK 18
+#define TFT_CS   14  // Chip select control pin
+#define TFT_DC   27  // Data Command control pin
+#define TFT_RST  33  // Reset pin (could connect to Arduino RESET pin)
+#define TFT_BL   32  // LED back-light
+
+// ##################################################################################
+//
+// Section 2. Define the way the DC and/or CS lines are driven
+//
+// ##################################################################################
+
+// Not used
+
+// ##################################################################################
+//
+// Section 3. Define the fonts that are to be used here
+//
+// ##################################################################################
+
+// Comment out the #defines below with // to stop that font being loaded
+// The ESP8366 had plenty of memory so commenting out fonts is not normally necessary
+// If all fonts are loaded the extra FLASH space required is about 17Kbytes...
+// To save FLASH space only enable the fonts you need!
+
+#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
+
+// ##################################################################################
+//
+// Section 4. Not used
+//
+// ##################################################################################
+
+
+// ##################################################################################
+//
+// Section 5. Other options
+//
+// ##################################################################################
+
+// Define the SPI clock frequency
+// With an ILI9341 display 40MHz works OK, 80MHz sometimes fails
+// With a ST7735 display more than 27MHz may not work (spurious pixels and lines)
+
+// #define SPI_FREQUENCY   1000000
+// #define SPI_FREQUENCY   5000000
+// #define SPI_FREQUENCY  10000000
+// #define SPI_FREQUENCY  20000000
+// #define SPI_FREQUENCY  27000000 // Actually sets it to 26.67MHz = 80/3
+ #define SPI_FREQUENCY  40000000 // Maximum to use SPIFFS
+// #define SPI_FREQUENCY  80000000

library.properties

@@ -1,5 +1,5 @@
-4name=TFT_eSPI
+name=TFT_eSPI
-version=0.18.13
+version=0.18.14
 author=Bodmer
 maintainer=Bodmer
 sentence=A fast TFT library for ESP8266 processors and the Arduino IDE