/* AT91SAM7 Trigger output routines for OpenPCD / OpenPICC * (C) 2006 by Harald Welte <hwelte@hmw-consulting.de> * * 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 * */ #include <lib_AT91SAM7.h> #include <os/trigger.h> #include "../openpcd.h" void trigger_init(void) { AT91F_PIO_CfgOutput(AT91C_BASE_PIOA, OPENPCD_PIO_TRIGGER); } void trigger_pulse(void) { volatile int i; AT91F_PIO_SetOutput(AT91C_BASE_PIOA, OPENPCD_PIO_TRIGGER); for (i=0; i < 0xff; i++) { } AT91F_PIO_ClearOutput(AT91C_BASE_PIOA, OPENPCD_PIO_TRIGGER); }