qmk-dactyl-manuform-a/lib/usbhost/USB_Host_Shield_2.0/examples/max_LCD/max_LCD.ino

30 lines
796 B
C++

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