/*
* TETRIS for AVR microcontrollers and cascading LED matrix based on MAX7219 driver
- * Copyright (C) 2010 Dmitry Shalnov [interplaymedium.org]
- * test it with "screen /dev/ttyUSB0" comand (control by kbd arrows)
- * created for Interplaymediumâ„¢ AXON project
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ * Created for Interplaymediumâ„¢ project (https://interplaymedium.org)
+ * Copyright © 2010 Dmitry Shalnov [interplaymedium.org]
+ * Licensed under the Apache License, Version 2.0
*/
#include <avr/io.h>
UDR0 = data;
}
-// -------------------------------------------- Interrupt catch -------------------------------------------------------
+// -------------------------------------------- Interrupt handler -----------------------------------------------------
ISR(USART_RX_vect){ // USART RX interrupt
volatile unsigned char c;