00001 /* 00002 * Copyright Droids Corporation, Microb Technology, Eirbot (2005) 00003 * 00004 * This program is free software; you can redistribute it and/or modify 00005 * it under the terms of the GNU General Public License as published by 00006 * the Free Software Foundation; either version 2 of the License, or 00007 * (at your option) any later version. 00008 * 00009 * This program is distributed in the hope that it will be useful, 00010 * but WITHOUT ANY WARRANTY; without even the implied warranty of 00011 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 00012 * GNU General Public License for more details. 00013 * 00014 * You should have received a copy of the GNU General Public License 00015 * along with this program; if not, write to the Free Software 00016 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA 00017 * 00018 * Revision : $Id: int_show.c,v 1.8 2008-05-14 13:27:12 zer0 Exp $ 00019 * 00020 */ 00021 00022 #include <avr/io.h> 00023 #include <aversive.h> 00024 #include <diagnostic.h> 00025 00026 00027 #ifdef INTERRUPT_SHOW_PORT 00028 00040 void show_int_loop(void) 00041 { 00042 sbi(DDR(INTERRUPT_SHOW_PORT), INTERRUPT_SHOW_BIT); 00043 00044 while(1) { 00045 cbi(INTERRUPT_SHOW_PORT, INTERRUPT_SHOW_BIT); // port to 0 00046 00047 sei(); 00048 nop(); // ints can only arrive there (on low level of probe pin) 00049 cli(); 00050 00051 sbi(INTERRUPT_SHOW_PORT, INTERRUPT_SHOW_BIT); // port to 1 00052 00053 nop(); // is there to equalize the duty cycle 00054 } 00055 } 00056 #endif
1.5.6