/* Test the tft.print() viz the libraries embedded write() function This sketch used font 2, 4, 7 Make sure all the required fonts are loaded by editting the User_Setup.h file in the TFT_eSPI library folder. ######################################################################### ###### DON'T FORGET TO UPDATE THE User_Setup.h FILE IN THE LIBRARY ###### ######################################################################### */ #include #include // Hardware-specific library TFT_eSPI tft = TFT_eSPI(); // Invoke custom library #define TFT_GREY 0x5AEB // New colour void setup(void) { tft.init(); tft.setRotation(2); } void loop() { // Fill screen with random colour so we can see the effect of printing with and without // a background colour defined tft.fillScreen(random(0xFFFF)); // Set "cursor" at top left corner of display (0,0) and select font 2 // (cursor will move to next line automatically during printing with 'tft.println' // or stay on the line is there is room for the text with tft.print) tft.setCursor(0, 0, 2); // Set the font colour to be white with a black background, set text size multiplier to 1 tft.setTextColor(TFT_WHITE,TFT_BLACK); tft.setTextSize(1); // We can now plot text on screen using the "print" class tft.println("Hello World!"); // Set the font colour to be yellow with no background, set to font 7 tft.setTextColor(TFT_YELLOW); tft.setTextFont(7); tft.println(1234.56); // Set the font colour to be red with black background, set to font 4 tft.setTextColor(TFT_RED,TFT_BLACK); tft.setTextFont(4); tft.println((long)3735928559, HEX); // Should print DEADBEEF // Set the font colour to be green with black background, set to font 4 tft.setTextColor(TFT_GREEN,TFT_BLACK); tft.setTextFont(4); tft.println("Groop"); tft.println("I implore thee,"); // Change to font 2 tft.setTextFont(2); tft.println(F("my foonting turlingdromes.")); // Can store strings in FLASH to save RAM tft.println("And hooptiously drangle me"); tft.println("with crinkly bindlewurdles,"); // This next line is deliberately made too long for the display width to test // automatic text wrapping onto the next line tft.println("Or I will rend thee in the gobberwarts with my blurglecruncheon, see if I don't!"); // Test some print formatting functions float fnumber = 123.45; // Set the font colour to be blue with no background, set to font 4 tft.setTextColor(TFT_BLUE); tft.setTextFont(4); tft.print("Float = "); tft.println(fnumber); // Print floating point number tft.print("Binary = "); tft.println((int)fnumber, BIN); // Print as integer value in binary tft.print("Hexadecimal = "); tft.println((int)fnumber, HEX); // Print as integer number in Hexadecimal delay(10000); }