Update notes for #268

User_Setup.h

@@ -140,10 +140,12 @@
 // ######  FOR ESP8266 OVERLAP MODE EDIT THE PIN NUMBERS IN THE FOLLOWING LINES  ######
 
 // Overlap mode shares the ESP8266 FLASH SPI bus with the TFT so has a performance impact
-// but saves pins for other functions.
-// Use NodeMCU SD0=MISO, SD1=MOSI, CLK=SCLK to connect to TFT in overlap mode
-
+// but saves pins for other functions. It is best not to connect MISO as some displays
+// do not tristate that line wjen chip select is high!
+// On NodeMCU 1.0 SD0=MISO, SD1=MOSI, CLK=SCLK to connect to TFT in overlap mode
+// On NodeMCU V3  S0 =MISO, S1 =MOSI, S2 =SCLK
 // In ESP8266 overlap mode the following must be defined
+
 //#define TFT_SPI_OVERLAP
 
 // In ESP8266 overlap mode the TFT chip select MUST connect to pin D3

User_Setups/Setup9_ST7735_Overlap.h

@@ -9,6 +9,13 @@
 
 #define ST7735_REDTAB
 
+// Overlap mode shares the ESP8266 FLASH SPI bus with the TFT so has a performance impact
+// but saves pins for other functions. It is best not to connect MISO as some displays
+// do not tristate that line wjen chip select is high!
+// On NodeMCU 1.0 SD0=MISO, SD1=MOSI, CLK=SCLK to connect to TFT in overlap mode
+// On NodeMCU V3  S0 =MISO, S1 =MOSI, S2 =SCLK
+// In ESP8266 overlap mode the following must be defined
+#define TFT_SPI_OVERLAP
 
 // In ESP8266 overlap mode the TFT chip select MUST connect to pin D3
 #define TFT_CS   PIN_D3
@@ -16,8 +23,7 @@
 #define TFT_RST  PIN_D4  // Reset pin (could connect to NodeMCU RST, see next line)
 //#define TFT_RST  -1  // Set TFT_RST to -1 if the display RESET is connected to NodeMCU RST or 3.3V
 
-// In ESP8266 overlap mode the following must be defined
-#define TFT_SPI_OVERLAP
+
 
 
 #define LOAD_GLCD   // Font 1. Original Adafruit 8 pixel font needs ~1820 bytes in FLASH

User_Setups/SetupX_Template.h

@@ -28,18 +28,19 @@
 //#define ST7789_DRIVER      // Full configuration option, define additional parameters below for this display
 //#define ST7789_2_DRIVER    // Minimal configuration option, define additional parameters below for this display
 //#define R61581_DRIVER
+//#define RM68140_DRIVER
 
 // Some displays support SPI reads via the MISO pin, other displays have a single
 // bi-directional SDA pin and the library will try to read this via the MOSI line.
 // To use the SDA line for reading data from the TFT uncomment the following line:
 
-// #define TFT_SDA_READ      // This option if for ESP32 ONLY, tested with ST7789 display only
+// #define TFT_SDA_READ      // This option is for ESP32 ONLY, tested with ST7789 display only
 
 // For ST7789 and ILI9341 ONLY, define the colour order IF the blue and red are swapped on your display
 // Try ONE option at a time to find the correct colour order for your display
 
-// #define TFT_RGB_ORDER TFT_RGB  // Colour order Red-Green-Blue
-// #define TFT_RGB_ORDER TFT_BGR  // Colour order Blue-Green-Red
+//  #define TFT_RGB_ORDER TFT_RGB  // Colour order Red-Green-Blue
+//  #define TFT_RGB_ORDER TFT_BGR  // Colour order Blue-Green-Red
 
 // For M5Stack ESP32 module with integrated ILI9341 display ONLY, remove // in line below
 
@@ -139,10 +140,12 @@
 // ######  FOR ESP8266 OVERLAP MODE EDIT THE PIN NUMBERS IN THE FOLLOWING LINES  ######
 
 // Overlap mode shares the ESP8266 FLASH SPI bus with the TFT so has a performance impact
-// but saves pins for other functions.
-// Use NodeMCU SD0=MISO, SD1=MOSI, CLK=SCLK to connect to TFT in overlap mode
-
+// but saves pins for other functions. It is best not to connect MISO as some displays
+// do not tristate that line wjen chip select is high!
+// On NodeMCU 1.0 SD0=MISO, SD1=MOSI, CLK=SCLK to connect to TFT in overlap mode
+// On NodeMCU V3  S0 =MISO, S1 =MOSI, S2 =SCLK
 // In ESP8266 overlap mode the following must be defined
+
 //#define TFT_SPI_OVERLAP
 
 // In ESP8266 overlap mode the TFT chip select MUST connect to pin D3
@@ -264,7 +267,7 @@
 
 // The ESP32 has 2 free SPI ports i.e. VSPI and HSPI, the VSPI is the default.
 // If the VSPI port is in use and pins are not accessible (e.g. TTGO T-Beam)
-// then uncomment the following line to use the HSPI port:
+// then uncomment the following line:
 //#define USE_HSPI_PORT
 
 // Comment out the following #define if "SPI Transactions" do not need to be