169 lines
4.7 KiB
C
169 lines
4.7 KiB
C
/*
|
|
* Copyright (c) 2005, Swedish Institute of Computer Science
|
|
* All rights reserved.
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions
|
|
* are met:
|
|
* 1. Redistributions of source code must retain the above copyright
|
|
* notice, this list of conditions and the following disclaimer.
|
|
* 2. Redistributions in binary form must reproduce the above copyright
|
|
* notice, this list of conditions and the following disclaimer in the
|
|
* documentation and/or other materials provided with the distribution.
|
|
* 3. Neither the name of the Institute nor the names of its contributors
|
|
* may be used to endorse or promote products derived from this software
|
|
* without specific prior written permission.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
|
|
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
|
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
|
* ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
|
|
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
|
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
|
|
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
|
|
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
|
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
|
|
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
|
|
* SUCH DAMAGE.
|
|
*
|
|
* This file is part of the Contiki operating system.
|
|
*
|
|
* @(#)$Id: beep.c,v 1.4 2006/07/07 06:36:38 nifi Exp $
|
|
*/
|
|
|
|
#include <io.h>
|
|
|
|
#include "contiki-esb.h"
|
|
|
|
#define ON 1
|
|
#define OFF 0
|
|
|
|
/*
|
|
* Flag to indicate if any of these functions should generate a sound
|
|
* or not. The function beep_off() is used to change this flag so none
|
|
* of the functions will generate sounds and beep_on() to turn sound
|
|
* back on.
|
|
*/
|
|
static char onoroff = ON;
|
|
|
|
/*
|
|
* BEEPER_BIT is the bit in the io-register that is connected to the actual
|
|
* beeper, setting the bit high vill generate a high pitch tone.
|
|
*/
|
|
#define BEEPER_BIT 0x08
|
|
|
|
/*-----------------------------------------------------------------------------------*/
|
|
void
|
|
beep_alarm(int alarmmode, int len)
|
|
{
|
|
len = len / 200;
|
|
|
|
while(len > 0) {
|
|
/*
|
|
* Check here if we should beep or not since if we do it outside the
|
|
* while loop the call to this function would take muck less time, i.e.
|
|
* beep_on()/beep_off() would have side effects that might not be
|
|
* predictable.
|
|
*/
|
|
if(onoroff == ON) {
|
|
if((alarmmode == BEEP_ALARM1) && ((len & 7) > 4)) {
|
|
P2OUT |= BEEPER_BIT;
|
|
} else if((alarmmode == BEEP_ALARM2) && ((len & 15) > 12)) {
|
|
P2OUT |= BEEPER_BIT;
|
|
} else {
|
|
P2OUT &= ~BEEPER_BIT;
|
|
}
|
|
}
|
|
clock_delay(200);
|
|
len--;
|
|
}
|
|
P2OUT &= ~BEEPER_BIT;
|
|
}
|
|
/*-----------------------------------------------------------------------------------*/
|
|
void
|
|
beep_beep(int i)
|
|
{
|
|
if(onoroff == ON) {
|
|
/* Beep. */
|
|
P2OUT |= BEEPER_BIT;
|
|
clock_delay(i);
|
|
P2OUT &= ~BEEPER_BIT;
|
|
}
|
|
}
|
|
/*-----------------------------------------------------------------------------------*/
|
|
void
|
|
beep(void)
|
|
{
|
|
beep_beep(20);
|
|
}
|
|
/*-----------------------------------------------------------------------------------*/
|
|
void
|
|
beep_down(int d)
|
|
{
|
|
int i;
|
|
for(i = 8; i < d; i += i / 8) {
|
|
beep_beep(10);
|
|
clock_delay(i);
|
|
}
|
|
}
|
|
/*-----------------------------------------------------------------------------------*/
|
|
void
|
|
beep_on(void)
|
|
{
|
|
onoroff = ON;
|
|
}
|
|
/*-----------------------------------------------------------------------------------*/
|
|
void
|
|
beep_off(void)
|
|
{
|
|
onoroff = OFF;
|
|
}
|
|
/*-----------------------------------------------------------------------------------*/
|
|
void
|
|
beep_spinup(void)
|
|
{
|
|
unsigned int i;
|
|
|
|
for(i = 10000; i > 80; i -= i / 20) {
|
|
beep_beep(2);
|
|
clock_delay(i);
|
|
}
|
|
|
|
for(i = 4980; i > 2000; i -= 20) {
|
|
leds_on(LEDS_ALL);
|
|
clock_delay(5000 - i);
|
|
leds_off(LEDS_ALL);
|
|
clock_delay(i);
|
|
}
|
|
|
|
}
|
|
/*-----------------------------------------------------------------------------------*/
|
|
void
|
|
beep_quick(int n)
|
|
{
|
|
int i;
|
|
for(i = 0; i < n; ++i) {
|
|
beep_beep(2000);
|
|
clock_delay(20000);
|
|
}
|
|
}
|
|
/*-----------------------------------------------------------------------------------*/
|
|
void beep_long(clock_time_t len) {
|
|
/*
|
|
* Check if the beeper is turned on or off, i.e. if a call should generate
|
|
* a noise or not.
|
|
*/
|
|
if(onoroff == ON) {
|
|
/* Turn on the beeper. */
|
|
P2OUT |= BEEPER_BIT;
|
|
}
|
|
|
|
clock_wait(len);
|
|
|
|
if(onoroff == ON) {
|
|
/* Turn the beeper off. */
|
|
P2OUT &= ~BEEPER_BIT;
|
|
}
|
|
}
|
|
/*-----------------------------------------------------------------------------------*/
|