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/*
* Copyright © 2009 Keith Packard <keithp@keithp.com>
*
* 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; version 2 of the License.
*
* 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 "ao.h"
#ifndef HAS_BEEP
#error Please define HAS_BEEP
#endif
#if !HAS_BEEP
#define ao_beep(x)
#endif
#if !LEDS_AVAILABLE
#define ao_led_on(x)
#define ao_led_off(x)
#endif
#ifndef AO_LED_PANIC
#define AO_LED_PANIC AO_LED_RED
#endif
static void
ao_panic_delay(uint8_t n)
{
uint8_t i = 0, j = 0;
while (n--)
while (--j)
while (--i)
ao_arch_nop();
}
void
ao_panic(uint8_t reason)
{
uint8_t n;
#if LOW_LEVEL_DEBUG
ao_cur_task = NULL;
printf ("panic %d\n", reason);
#endif
ao_arch_block_interrupts();
for (;;) {
ao_panic_delay(20);
for (n = 0; n < 5; n++) {
ao_led_on(AO_LED_PANIC);
ao_beep(AO_BEEP_HIGH);
ao_panic_delay(1);
ao_led_off(AO_LED_PANIC);
ao_beep(AO_BEEP_LOW);
ao_panic_delay(1);
}
ao_beep(AO_BEEP_OFF);
ao_panic_delay(2);
#ifdef SDCC
#pragma disable_warning 126
#endif
if (reason & 0x40) {
ao_led_on(AO_LED_PANIC);
ao_beep(AO_BEEP_HIGH);
ao_panic_delay(40);
ao_led_off(AO_LED_PANIC);
ao_beep(AO_BEEP_OFF);
ao_panic_delay(10);
}
for (n = 0; n < (reason & 0x3f); n++) {
ao_led_on(AO_LED_PANIC);
ao_beep(AO_BEEP_MID);
ao_panic_delay(10);
ao_led_off(AO_LED_PANIC);
ao_beep(AO_BEEP_OFF);
ao_panic_delay(10);
}
}
}
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