protocol/usb_hid/USB_Host_Shield_2.0/examples/max_LCD/max_LCD.ino

   1 // Just a copy of the HelloWorld example bundled with the LiquidCrystal library in the Arduino IDE
   2
   3 // HD44780 compatible LCD display via MAX3421E GPOUT support header
   4 // pinout: D[4-7] -> GPOUT[4-7], RS-> GPOUT[2], E ->GPOUT[3]
   5
   6 #include <max_LCD.h>
   7
   8 // Satisfy IDE, which only needs to see the include statment in the ino.
   9 #ifdef dobogusinclude
  10 #include <spi4teensy3.h>
  11 #include <SPI.h>
  12 #endif
  13
  14 USB Usb;
  15 Max_LCD lcd(&Usb);
  16
  17 void setup() {
  18   // Set up the LCD's number of columns and rows:
  19   lcd.begin(16, 2);
  20   // Print a message to the LCD.
  21   lcd.print("Hello, World!");
  22 }
  23
  24 void loop() {
  25   // Set the cursor to column 0, line 1 (note: line 1 is the second row, since counting begins with 0):
  26   lcd.setCursor(0, 1);
  27   // Print the number of seconds since reset:
  28   lcd.print(millis() / 1000);
  29 }