Add R61581 driver as detailed in #238

Not tested by Bodmer, tested by s60sc as in #238

TFT_Drivers/R61581_Defines.h

+// Change the width and height if required (defined in portrait mode)
+// or use the constructor to over-ride defaults
+#define TFT_WIDTH  320
+#define TFT_HEIGHT 480
+
+
+// Delay between some initialisation commands
+#define TFT_INIT_DELAY 0x80 // Not used unless commandlist invoked
+
+
+// Generic commands used by TFT_eSPI.cpp
+#define TFT_NOP     0x00
+#define TFT_SWRST   0x01
+
+#define TFT_SLPIN   0x10
+#define TFT_SLPOUT  0x11
+
+#define TFT_INVOFF  0x20
+#define TFT_INVON   0x21
+
+#define TFT_DISPOFF 0x28
+#define TFT_DISPON  0x29
+
+#define TFT_CASET   0x2A
+#define TFT_PASET   0x2B
+#define TFT_RAMWR   0x2C
+
+#define TFT_RAMRD   0x2E
+
+#define TFT_MADCTL  0x36
+
+#define TFT_MAD_MY  0x80
+#define TFT_MAD_MX  0x40
+#define TFT_MAD_MV  0x20
+#define TFT_MAD_ML  0x10
+#define TFT_MAD_RGB 0x00
+#define TFT_MAD_BGR 0x08
+#define TFT_MAD_MH  0x04
+#define TFT_MAD_SS  0x02
+#define TFT_MAD_GS  0x01
+
+#define TFT_IDXRD   0x00 // ILI9341 only, indexed control register read

TFT_Drivers/R61581_Init.h

+
+// This is the command sequence that initialises the R61581 driver
+//
+// This setup information uses simple 8 bit SPI writecommand() and writedata() functions
+//
+// See ST7735_Setup.h file for an alternative format
+
+
+// Configure R61581 display
+
+    writecommand(TFT_SLPOUT);
+    delay(20);
+
+    writecommand(0xB0);
+    writedata(0x00);
+
+    writecommand(0xD0);
+    writedata(0x07);
+    writedata(0x42);
+    writedata(0x18);
+
+    writecommand(0xD1);
+    writedata(0x00);
+    writedata(0x07);
+    writedata(0x10);
+
+    writecommand(0xD2);
+    writedata(0x01);
+    writedata(0x02);
+
+    writecommand(0xC0);
+    writedata(0x12);
+    writedata(0x3B);
+    writedata(0x00);
+    writedata(0x02);
+    writedata(0x11);
+
+    writecommand(0xC5);
+    writedata(0x03);
+
+    writecommand(0xC8);
+    writedata(0x00);
+    writedata(0x32);
+    writedata(0x36);
+    writedata(0x45);
+    writedata(0x06);
+    writedata(0x16);
+    writedata(0x37);
+    writedata(0x75);
+    writedata(0x77);
+    writedata(0x54);
+    writedata(0x0C);
+    writedata(0x00);
+
+    writecommand(TFT_MADCTL);
+    writedata(0x0A);
+
+    writecommand(0x3A);
+    writedata(0x55);
+
+    writecommand(TFT_CASET);
+    writedata(0x00);
+    writedata(0x00);
+    writedata(0x01);
+    writedata(0x3F);
+
+    writecommand(TFT_PASET);
+    writedata(0x00);
+    writedata(0x00);
+    writedata(0x01);
+    writedata(0xDF);
+
+    delay(120);
+    writecommand(TFT_DISPON);
+
+    delay(25);
+// End of R61581 display configuration
+
+
+

TFT_Drivers/R61581_Rotation.h

+  // This is the command sequence that rotates the R61581 driver coordinate frame
+
+  writecommand(TFT_MADCTL);
+  rotation = m % 4;
+  switch (rotation) {
+   case 0: // Portrait
+     writedata(TFT_MAD_BGR | TFT_MAD_MX);
+      _width  = TFT_WIDTH;
+      _height = TFT_HEIGHT;
+     break;
+   case 1: // Landscape (Portrait + 90)
+     writedata(TFT_MAD_MV | TFT_MAD_BGR);
+      _width  = TFT_HEIGHT;
+      _height = TFT_WIDTH;
+     break;
+   case 2: // Inverter portrait
+     writedata(TFT_MAD_BGR | TFT_MAD_GS);
+      _width  = TFT_WIDTH;
+      _height = TFT_HEIGHT;
+     break;
+   case 3: // Inverted landscape
+     writedata(TFT_MAD_MV | TFT_MAD_BGR | TFT_MAD_MX | TFT_MAD_GS);
+      _width  = TFT_HEIGHT;
+      _height = TFT_WIDTH;
+     break;
+  }
+   
\ No newline at end of file

TFT_eSPI.cpp

@@ -361,6 +361,9 @@ void TFT_eSPI::init(uint8_t tc)
 #elif defined (ST7789_DRIVER)
     #include "TFT_Drivers/ST7789_Init.h"
 
+#elif defined (R61581_DRIVER)
+    #include "TFT_Drivers/R61581_Init.h"
+
 #endif
 
   spi_end();
@@ -409,6 +412,9 @@ void TFT_eSPI::setRotation(uint8_t m)
 #elif defined (ST7789_DRIVER)
     #include "TFT_Drivers/ST7789_Rotation.h"
 
+#elif defined (R61581_DRIVER)
+    #include "TFT_Drivers/R61581_Rotation.h"
+
 #endif
 
   delayMicroseconds(10);

TFT_eSPI.h

@@ -330,7 +330,7 @@
   SET_PERI_REG_MASK(SPI_CMD_REG(SPI_NUM), SPI_USR); \
   while (READ_PERI_REG(SPI_CMD_REG(SPI_NUM))&SPI_USR);
 
-  // Write 16 bits (used for ESP32_PARALLEL or ILI9488_DRIVER)
+  // Write 16 bits
   #define tft_Write_16S(C) \
   WRITE_PERI_REG(SPI_MOSI_DLEN_REG(SPI_NUM), 16-1); \
   WRITE_PERI_REG(SPI_W0_REG(SPI_NUM), C); \

User_Setup.h

@@ -25,6 +25,7 @@
 //#define ILI9486_DRIVER
 //#define ILI9488_DRIVER
 //#define ST7789_DRIVER // Define the screen size below for this display
+//#define R61581_DRIVER
 
 // Some displays support SPI reads via the MISO pin, if the display has a single
 // bi-directional SDA pin the library will try to use bit banging to read the line

User_Setup_Select.h

@@ -25,13 +25,14 @@
 //#include <User_Setups/Setup2_ST7735.h>   // Setup file configured for my ST7735
 //#include <User_Setups/Setup3_ILI9163.h>  // Setup file configured for my ILI9163
 //#include <User_Setups/Setup4_S6D02A1.h>  // Setup file configured for my S6D02A1
-//#include <User_Setups/Setup5_RPi_ILI9486.h>     // Setup file configured for my stock RPi TFT
-//#include <User_Setups/Setup6_RPi_Wr_ILI9486.h>  // Setup file configured for my modified RPi TFT
-//#include <User_Setups/Setup7_ST7735_128x128.h>  // Setup file configured for my ST7735 128x128 display
-//#include <User_Setups/Setup8_ILI9163_128x128.h>  // Setup file configured for my ILI9163 128x128 display
-//#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 ESP8266 and RPi TFT with touch
-//#include <User_Setups/Setup11_RPi_touch_ILI9486.h>  // Setup file configured for ESP32 and RPi TFT with touch
+//#include <User_Setups/Setup5_RPi_ILI9486.h>        // Setup file configured for my stock RPi TFT
+//#include <User_Setups/Setup6_RPi_Wr_ILI9486.h>     // Setup file configured for my modified RPi TFT
+//#include <User_Setups/Setup7_ST7735_128x128.h>     // Setup file configured for my ST7735 128x128 display
+//#include <User_Setups/Setup8_ILI9163_128x128.h>    // Setup file configured for my ILI9163 128x128 display
+//#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 ESP8266 and RPi TFT with touch
+
+//#include <User_Setups/Setup11_RPi_touch_ILI9486.h> // Setup file configured for ESP32 and RPi TFT with touch
 //#include <User_Setups/Setup12_M5Stack.h>           // Setup file for the ESP32 based M5Stack
 //#include <User_Setups/Setup13_ILI9481_Parallel.h>  // Setup file for the ESP32 with parallel bus TFT
 //#include <User_Setups/Setup14_ILI9341_Parallel.h>  // Setup file for the ESP32 with parallel bus TFT
@@ -102,6 +103,9 @@
 #elif defined (ST7789_DRIVER)
      #include "TFT_Drivers/ST7789_Defines.h"
      #define  TFT_DRIVER 0x7789
+#elif defined (R61581_DRIVER)
+     #include "TFT_Drivers/R61581_Defines.h"
+     #define  TFT_DRIVER 0x6158
 #elif defined (XYZZY_DRIVER)  // <<<<<<<<<<<<<<<<<<<<<<<< ADD NEW DRIVER HERE
      #include "TFT_Drivers/XYZZY_Defines.h"
      #define  TFT_DRIVER 0x0000

User_Setups/SetupX_Template.h

@@ -25,6 +25,7 @@
 //#define ILI9486_DRIVER
 //#define ILI9488_DRIVER
 //#define ST7789_DRIVER // Define the screen size below for this display
+//#define R61581_DRIVER
 
 // Some displays support SPI reads via the MISO pin, if the display has a single
 // bi-directional SDA pin the library will try to use bit banging to read the line

library.json

 {
   "name": "TFT_eSPI",
-  "version": "1.3.4",
+  "version": "1.3.5",
   "keywords": "tft, ePaper, display, ESP8266, NodeMCU, ESP32, M5Stack, ILI9341, ST7735, ILI9163, S6D02A1, ILI9486, ST7789",
   "description": "A TFT and ePaper SPI graphics library for ESP8266 and ESP32",
   "repository":

library.properties

 name=TFT_eSPI
-version=1.3.4
+version=1.3.5
 author=Bodmer
 maintainer=Bodmer
 sentence=A fast TFT graphics library for ESP8266 and ESP32 processors for the Arduino IDE