acid-drop

- Hacking the planet from a LilyGo T-Deck using custom firmware
git clone git://git.acid.vegas/acid-drop.git
TFT_Print_Test.ino (2814B)
      1 /*  
      2  Test the tft.print() viz embedded tft.write() function
      3 
      4  This sketch used font 2, 4, 7
      5 
      6  Make sure all the display driver and pin connections are correct by
      7  editing the User_Setup.h file in the TFT_eSPI library folder.
      8 
      9  #########################################################################
     10  ###### DON'T FORGET TO UPDATE THE User_Setup.h FILE IN THE LIBRARY ######
     11  #########################################################################
     12  */
     13 
     14 
     15 #include <TFT_eSPI.h> // Graphics and font library for ILI9341 driver chip
     16 #include <SPI.h>
     17 
     18 #define TFT_GREY 0x5AEB // New colour
     19 
     20 TFT_eSPI tft = TFT_eSPI();  // Invoke library
     21 
     22 
     23 void setup(void) {
     24   tft.init();
     25   tft.setRotation(2);
     26 }
     27 
     28 void loop() {
     29   
     30   // Fill screen with grey so we can see the effect of printing with and without 
     31   // a background colour defined
     32   tft.fillScreen(TFT_GREY);
     33   
     34   // Set "cursor" at top left corner of display (0,0) and select font 2
     35   // (cursor will move to next line automatically during printing with 'tft.println'
     36   //  or stay on the line is there is room for the text with tft.print)
     37   tft.setCursor(0, 0, 2);
     38   // Set the font colour to be white with a black background, set text size multiplier to 1
     39   tft.setTextColor(TFT_WHITE,TFT_BLACK);  tft.setTextSize(1);
     40   // We can now plot text on screen using the "print" class
     41   tft.println("Hello World!");
     42   
     43   // Set the font colour to be yellow with no background, set to font 7
     44   tft.setTextColor(TFT_YELLOW); tft.setTextFont(7);
     45   tft.println(1234.56);
     46   
     47   // Set the font colour to be red with black background, set to font 4
     48   tft.setTextColor(TFT_RED,TFT_BLACK);    tft.setTextFont(4);
     49   //tft.println(3735928559L, HEX); // Should print DEADBEEF
     50 
     51   // Set the font colour to be green with black background, set to font 4
     52   tft.setTextColor(TFT_GREEN,TFT_BLACK);
     53   tft.setTextFont(4);
     54   tft.println("Groop");
     55   tft.println("I implore thee,");
     56 
     57   // Change to font 2
     58   tft.setTextFont(2);
     59   tft.println("my foonting turlingdromes.");
     60   tft.println("And hooptiously drangle me");
     61   tft.println("with crinkly bindlewurdles,");
     62   // This next line is deliberately made too long for the display width to test
     63   // automatic text wrapping onto the next line
     64   tft.println("Or I will rend thee in the gobberwarts with my blurglecruncheon, see if I don't!");
     65   
     66   // Test some print formatting functions
     67   float fnumber = 123.45;
     68    // Set the font colour to be blue with no background, set to font 4
     69   tft.setTextColor(TFT_BLUE);    tft.setTextFont(4);
     70   tft.print("Float = "); tft.println(fnumber);           // Print floating point number
     71   tft.print("Binary = "); tft.println((int)fnumber, BIN); // Print as integer value in binary
     72   tft.print("Hexadecimal = "); tft.println((int)fnumber, HEX); // Print as integer number in Hexadecimal
     73   delay(10000);
     74 }
     75 
     76 
     77