78 lines
2.7 KiB
C++
78 lines
2.7 KiB
C++
/*
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Test the tft.print() viz embedded tft.write() function
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This sketch used font 2, 4, 7
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Make sure all the display driver and pin connections are correct by
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editing the User_Setup.h file in the TFT_eSPI library folder.
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#########################################################################
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###### DON'T FORGET TO UPDATE THE User_Setup.h FILE IN THE LIBRARY ######
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#########################################################################
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*/
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#include <TFT_eSPI.h> // Graphics and font library for ILI9341 driver chip
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#include <SPI.h>
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#define TFT_GREY 0x5AEB // New colour
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TFT_eSPI tft = TFT_eSPI(); // Invoke library
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void setup(void) {
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tft.init();
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tft.setRotation(2);
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}
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void loop() {
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// Fill screen with grey so we can see the effect of printing with and without
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// a background colour defined
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tft.fillScreen(TFT_GREY);
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// Set "cursor" at top left corner of display (0,0) and select font 2
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// (cursor will move to next line automatically during printing with 'tft.println'
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// or stay on the line is there is room for the text with tft.print)
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tft.setCursor(0, 0, 2);
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// Set the font colour to be white with a black background, set text size multiplier to 1
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tft.setTextColor(TFT_WHITE,TFT_BLACK); tft.setTextSize(1);
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// We can now plot text on screen using the "print" class
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tft.println("Hello World!");
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// Set the font colour to be yellow with no background, set to font 7
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tft.setTextColor(TFT_YELLOW); tft.setTextFont(7);
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tft.println(1234.56);
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// Set the font colour to be red with black background, set to font 4
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tft.setTextColor(TFT_RED,TFT_BLACK); tft.setTextFont(4);
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//tft.println(3735928559L, HEX); // Should print DEADBEEF
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// Set the font colour to be green with black background, set to font 4
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tft.setTextColor(TFT_GREEN,TFT_BLACK);
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tft.setTextFont(4);
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tft.println("Groop");
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tft.println("I implore thee,");
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// Change to font 2
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tft.setTextFont(2);
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tft.println("my foonting turlingdromes.");
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tft.println("And hooptiously drangle me");
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tft.println("with crinkly bindlewurdles,");
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// This next line is deliberately made too long for the display width to test
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// automatic text wrapping onto the next line
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tft.println("Or I will rend thee in the gobberwarts with my blurglecruncheon, see if I don't!");
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// Test some print formatting functions
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float fnumber = 123.45;
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// Set the font colour to be blue with no background, set to font 4
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tft.setTextColor(TFT_BLUE); tft.setTextFont(4);
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tft.print("Float = "); tft.println(fnumber); // Print floating point number
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tft.print("Binary = "); tft.println((int)fnumber, BIN); // Print as integer value in binary
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tft.print("Hexadecimal = "); tft.println((int)fnumber, HEX); // Print as integer number in Hexadecimal
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delay(10000);
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}
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