www.pudn.com > headset.rar > mute.c

#include "demohs.h" 
 
#include  
 
 
static const audio_note mute_beep[] = 
{ 
    AUDIO_TEMPO(80), AUDIO_VOLUME(32), AUDIO_TIMBRE(sine), 
    AUDIO_NOTE(G5, QUAVER), 
    AUDIO_END 
}; 
 
 
static Delay delayMuteBeepPlay(TimerHandle h) 
{ 
    h = h; 
    hsState.AudioRingHandle = AudioPlay(mute_beep); 
    return MUTE_BEEP_DELAY; 
} 
 
 
/* 
    muteRequest 
 
    Toggles the current mute state i.e. if mute was on turns it off and vice versa 
*/ 
void muteRequest(void) 
{ 
    uint16 want = hsState.isMuted ^ 1; 
    if(AudioMuteMicrophone(want)) 
        hsState.isMuted = want; 
         
    if (!hsState.isMuted) 
    { 
        /* Stop playing beeps */ 
        (void) AudioStop(hsState.AudioRingHandle); 
        (void) TimerCancelCallback(delayMuteBeepPlay); 
    } 
    else if (hsState.scoConnected) 
    { 
        /*  
            If we have a SCO connected and the mic is muted play beeps  
            until it is unmuted. Reuse the ring handle for now. 
        */ 
        (void) TimerAdd(D_mSEC(MUTE_BEEP_DELAY), delayMuteBeepPlay);         
    }     
}