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Diffstat (limited to 'examples/interrupt.c')
-rw-r--r-- | examples/interrupt.c | 81 |
1 files changed, 0 insertions, 81 deletions
diff --git a/examples/interrupt.c b/examples/interrupt.c deleted file mode 100644 index f3061d1..0000000 --- a/examples/interrupt.c +++ /dev/null @@ -1,81 +0,0 @@ -/* - * (C) Copyright 2006 - * Detlev Zundel, DENX Software Engineering, dzu@denx.de. - * - * See file CREDITS for list of people who contributed to this - * 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 - * - * This is a very simple standalone application demonstrating - * catching IRQs on the MPC52xx architecture. - * - * The interrupt to be intercepted can be specified as an argument - * to the application. Specifying nothing will intercept IRQ1 on the - * MPC5200 platform. On the CR825 carrier board from MicroSys this - * maps to the ABORT switch :) - * - * Note that the specified vector is only a logical number specified - * by the respective header file. - */ - -#include <common.h> -#include <exports.h> -#include <config.h> - -#if defined(CONFIG_MPC5xxx) -#define DFL_IRQ MPC5XXX_IRQ1 -#else -#define DFL_IRQ 0 -#endif - -static void irq_handler (void *arg); - -int interrupt (int argc, char *argv[]) -{ - int c, irq = -1; - - app_startup (argv); - - if (argc > 1) - irq = simple_strtoul (argv[1], NULL, 0); - if ((irq < 0) || (irq > NR_IRQS)) - irq = DFL_IRQ; - - printf ("Installing handler for irq vector %d and doing busy wait\n", - irq); - printf ("Press 'q' to quit\n"); - - /* Install interrupt handler */ - install_hdlr (irq, irq_handler, NULL); - while ((c = getc ()) != 'q') { - printf ("Ok, ok, I am still alive!\n"); - } - - free_hdlr (irq); - printf ("\nInterrupt handler has been uninstalled\n"); - - return (0); -} - -/* - * Handler for interrupt - */ -static void irq_handler (void *arg) -{ - /* just for demonstration */ - printf ("+"); -} |