50 lines
1.5 KiB
C
50 lines
1.5 KiB
C
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/***************************************************************************
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* __________ __ ___.
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* Open \______ \ ____ ____ | | _\_ |__ _______ ___
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* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
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* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
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* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
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* \/ \/ \/ \/ \/
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* $Id$
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*
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* Copyright (C) 2008 by Catalin Patulea
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*
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* All files in this archive are subject to the GNU General Public License.
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* See the file COPYING in the source tree root for full license agreement.
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*
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* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
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* KIND, either express or implied.
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*
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****************************************************************************/
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#include <stdio.h>
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#include "arm.h"
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#include "registers.h"
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#include "ipc.h"
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volatile struct ipc_message status;
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volatile int acked;
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interrupt void handle_int0(void) {
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IFR = 1;
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acked = 1;
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}
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void debugf(const char *fmt, ...) {
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va_list args;
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va_start(args, fmt);
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status.msg = MSG_DEBUGF;
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vsnprintf((char *)status.payload.debugf.buffer, sizeof(status), fmt, args);
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va_end(args);
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/* Wait until ARM has picked up data. */
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acked = 0;
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int_arm();
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while (!acked) {
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/* IDLE alone never seems to wake up :( */
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asm(" IDLE 1");
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asm(" NOP");
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}
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acked = 2;
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}
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