giomba/nes-proj
1
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity

removed unneeded constants (BEEP_ON/BEEP_OFF) and simplified the code for beep_on()/beep_off()

Browse Source
This commit is contained in:
nifi 2006-07-07 06:36:38 +00:00
parent cb3f6db77e
commit fa9a97e9db
2 changed files with 17 additions and 16 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

28
platform/esb/dev/beep.c
View File

@ -28,19 +28,23 @@
*
* This file is part of the Contiki operating system.
*
* @(#)$Id: beep.c,v 1.3 2006/06/18 08:07:30 adamdunkels Exp $
* @(#)$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 is used beep_off() to to change this flag so
* none of the functions will generate sounds.
* 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 unsigned char beep_flag = BEEP_ON;
static char onoroff = ON;
/*
* BEEPER_BIT is the bit in the io-register that is connected to the actual
@ -58,9 +62,10 @@ beep_alarm(int alarmmode, int len)
/*
* 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_flag would have side effects that might not be predictable.
* beep_on()/beep_off() would have side effects that might not be
* predictable.
*/
if(beep_flag & BEEP_ON) {
if(onoroff == ON) {
if((alarmmode == BEEP_ALARM1) && ((len & 7) > 4)) {
P2OUT |= BEEPER_BIT;
} else if((alarmmode == BEEP_ALARM2) && ((len & 15) > 12)) {
@ -78,8 +83,7 @@ beep_alarm(int alarmmode, int len)
void
beep_beep(int i)
{
if(beep_flag & BEEP_ON) {
if(onoroff == ON) {
/* Beep. */
P2OUT |= BEEPER_BIT;
clock_delay(i);
@ -106,13 +110,13 @@ beep_down(int d)
void
beep_on(void)
{
beep_flag |= BEEP_ON;
onoroff = ON;
}
/*-----------------------------------------------------------------------------------*/
void
beep_off(void)
{
beep_flag &= ~BEEP_ON;
onoroff = OFF;
}
/*-----------------------------------------------------------------------------------*/
void
@ -149,14 +153,14 @@ 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(beep_flag & BEEP_ON) {
if(onoroff == ON) {
/* Turn on the beeper. */
P2OUT |= BEEPER_BIT;
}
clock_wait(len);
if(beep_flag & BEEP_ON) {
if(onoroff == ON) {
/* Turn the beeper off. */
P2OUT &= ~BEEPER_BIT;
}

5
platform/esb/dev/beep.h
View File

@ -28,7 +28,7 @@
*
* This file is part of the Contiki operating system.
*
* @(#)$Id: beep.h,v 1.3 2006/06/18 08:07:31 adamdunkels Exp $
* @(#)$Id: beep.h,v 1.4 2006/07/07 06:36:38 nifi Exp $
*/
/**
* \addtogroup esb
@ -50,9 +50,6 @@
#ifndef __BEEP_H__
#define __BEEP_H__
#define BEEP_ON 1
#define BEEP_OFF 0
#define BEEP_ALARM1 1
#define BEEP_ALARM2 2