78 lines
		
	
	
		
			2.8 KiB
		
	
	
	
		
			C++
		
	
	
	
			
		
		
	
	
			78 lines
		
	
	
		
			2.8 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 comnenctions are correct by
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 editting 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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