Update Read_User_Setup add #648

Read_User_Setup now includes backlight settings

TFT_eSPI.cpp

@@ -2614,9 +2614,6 @@ void TFT_eSPI::setWindow(int32_t x0, int32_t y0, int32_t x1, int32_t y1)
 {
   //begin_tft_write(); // Must be called before setWindow
 
-  addr_col = 0xFFFF;
-  addr_row = 0xFFFF;
-
 #ifdef CGRAM_OFFSET
   x0+=colstart;
   x1+=colstart;
@@ -2624,16 +2621,21 @@ void TFT_eSPI::setWindow(int32_t x0, int32_t y0, int32_t x1, int32_t y1)
   y1+=rowstart;
 #endif
 
-  // Column addr set
-  DC_C; tft_Write_8(TFT_CASET);
-  DC_D; tft_Write_32C(x0, x1);
+  // No need to send x if it has not changed (speeds things up)
+  if (addr_col != (x0<<16 | x1)) {
+    DC_C; tft_Write_8(TFT_CASET);
+    DC_D; tft_Write_32C(x0, x1);
+    addr_col = (x0<<16 | x1);
+  }
 
-  // Row addr set
-  DC_C; tft_Write_8(TFT_PASET);
-  DC_D; tft_Write_32C(y0, y1);
+  // No need to send y if it has not changed (speeds things up)
+  if (addr_row != (y0<<16 | y1)) {
+    DC_C; tft_Write_8(TFT_PASET);
+    DC_D; tft_Write_32C(y0, y1);
+    addr_row = (y0<<16 | y1);
+  }
 
   DC_C; tft_Write_8(TFT_RAMWR);
-
   DC_D;
 
   //end_tft_write(); // Must be called after setWindow
@@ -2695,17 +2697,17 @@ void TFT_eSPI::drawPixel(int32_t x, int32_t y, uint32_t color)
   begin_tft_write();
 
   // No need to send x if it has not changed (speeds things up)
-  if (addr_col != x) {
+  if (addr_col != (x<<16 | x)) {
     DC_C; tft_Write_8(TFT_CASET);
     DC_D; tft_Write_32D(x);
-    addr_col = x;
+    addr_col = (x<<16 | x);
   }
 
   // No need to send y if it has not changed (speeds things up)
-  if (addr_row != y) {
+  if (addr_row != (y<<16 | y)) {
     DC_C; tft_Write_8(TFT_PASET);
     DC_D; tft_Write_32D(y);
-    addr_row = y;
+    addr_row = (y<<16 | y);
   }
 
   DC_C; tft_Write_8(TFT_RAMWR);
@@ -4204,6 +4206,14 @@ void TFT_eSPI::getSetup(setup_t &tft_settings)
   tft_settings.pin_tft_d7 = -1;
 #endif
 
+#if defined (TFT_BL)
+  tft_settings.pin_tft_led = TFT_BL;
+#endif
+
+#if defined (TFT_BACKLIGHT_ON)
+  tft_settings.pin_tft_led_on = TFT_BACKLIGHT_ON;
+#endif
+
 #if defined (TOUCH_CS)
   tft_settings.pin_tch_cs   = TOUCH_CS;
   tft_settings.tch_spi_freq = SPI_TOUCH_FREQUENCY/100000;

TFT_eSPI.h

@@ -16,7 +16,7 @@
 #ifndef _TFT_eSPIH_
 #define _TFT_eSPIH_
 
-#define TFT_ESPI_VERSION "2.2.9"
+#define TFT_ESPI_VERSION "2.2.10"
 
 /***************************************************************************************
 **                         Section 1: Load required header files
@@ -335,6 +335,9 @@ int8_t pin_tft_d5;
 int8_t pin_tft_d6;
 int8_t pin_tft_d7;
 
+int8_t pin_tft_led;
+int8_t pin_tft_led_on;
+
 int8_t pin_tch_cs;   // Touch chip select pin
 
 int16_t tft_spi_freq;// TFT write SPI frequency

examples/Test and diagnostics/Read_User_Setup/Read_User_Setup.ino

@@ -61,6 +61,7 @@ if (user.tft_driver != 0xE9D) // For ePaper displays the size is defined in the
   Serial.print("Display driver = "); Serial.println(user.tft_driver, HEX); // Hexadecimal code
   Serial.print("Display width  = "); Serial.println(user.tft_width);  // Rotation 0 width and height
   Serial.print("Display height = "); Serial.println(user.tft_height);
+  Serial.println();
 }
 else if (user.tft_driver == 0xE9D) Serial.println("Display driver = ePaper\n");
 
@@ -97,6 +98,10 @@ if (user.overlap == true)
 }
 #endif
 String pinNameRef = "GPIO ";
+#ifdef ESP8266
+  pinNameRef = "PIN_D";
+#endif
+
 if (user.esp == 0x32F) {
   Serial.println("\n>>>>> Note: STM32 pin references above D15 may not reflect board markings <<<<<");
   pinNameRef = "D";
@@ -119,6 +124,15 @@ if (user.pin_tft_d5 != -1) { Serial.print("TFT_D5   = " + pinNameRef); Serial.pr
 if (user.pin_tft_d6 != -1) { Serial.print("TFT_D6   = " + pinNameRef); Serial.println(getPinName(user.pin_tft_d6)); }
 if (user.pin_tft_d7 != -1) { Serial.print("TFT_D7   = " + pinNameRef); Serial.println(getPinName(user.pin_tft_d7)); }
 
+#if defined (TFT_BL)
+  Serial.print("\nTFT_BL           = " + pinNameRef); Serial.println(getPinName(user.pin_tft_led));
+  #if defined (TFT_BACKLIGHT_ON)
+    Serial.print("TFT_BACKLIGHT_ON = "); Serial.println(user.pin_tft_led_on == HIGH ? "HIGH" : "LOW");
+  #endif
+#endif
+
+Serial.println();
+
 uint16_t fonts = tft.fontsLoaded();
 if (fonts & (1 << 1))        Serial.print("Font GLCD   loaded\n");
 if (fonts & (1 << 2))        Serial.print("Font 2      loaded\n");

library.json

@@ -1,6 +1,6 @@
 {
   "name": "TFT_eSPI",
-  "version": "2.2.9",
+  "version": "2.2.10",
   "keywords": "Arduino, tft, ePaper, display, STM32, ESP8266, NodeMCU, ESP32, M5Stack, ILI9341, ST7735, ILI9163, S6D02A1, ILI9486, ST7789, RM68140",
   "description": "A TFT and ePaper SPI graphics library with optimisation for ESP8266, ESP32 and STM32",
   "repository":

library.properties

@@ -1,5 +1,5 @@
 name=TFT_eSPI
-version=2.2.9
+version=2.2.10
 author=Bodmer
 maintainer=Bodmer
 sentence=TFT graphics library for Arduino processors with performance optimisation for STM32, ESP8266 and ESP32