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

#include "demohs.h" 
#include "hal.h" 
 
#include  
 
#ifdef DEV_BOARD_HS 
#include  
#endif 
 
 
static const audio_note twilight[] = 
{ 
    AUDIO_TEMPO(180), AUDIO_VOLUME(64), AUDIO_TIMBRE(sine), 
    AUDIO_NOTE(E7, QUAVER), 
    AUDIO_NOTE(F7, QUAVER), 
    AUDIO_NOTE(E7, QUAVER), 
    AUDIO_NOTE(C7, QUAVER), 
     
    AUDIO_NOTE(E7, QUAVER), 
    AUDIO_NOTE(F7, QUAVER), 
    AUDIO_NOTE(E7, QUAVER), 
    AUDIO_NOTE(C7, QUAVER), 
 
    AUDIO_END 
}; 
 
#ifdef DEV_BOARD_HS 
static Delay delayRingPlay(TimerHandle h) 
{ 
    /* keep the compiler happy */ 
    h=h; 
     
    /* play the ring tone */ 
    hsState.AudioRingHandle = AudioPlay(twilight); 
 
    return D_NEVER; 
} 
#endif 
 
 
/* 
    ringInd  
     
    Called by the headset framework to tell us that a RING command has  
    been received over RFCOMM (state =1) or that the ring duration has  
    expired (state = 0) 
*/ 
void ringInd(const HS_RING_IND_T * ind) 
{ 
#ifdef DEV_BOARD_HS 
    if(ind->state) 
    { 
        /* enable the codec */ 
        PioSet(PIO_CODEC, CODEC_ON); 
 
        /* small delay */         
        TimerAdd(D_mSEC(100), delayRingPlay);         
    } 
    else 
    { 
        if (!hsState.scoConnected) 
        { 
            /*  
                disable the codec only if there is no sco up otherwise  
                we'll be in trouble  
            */ 
            PioSet(PIO_CODEC, CODEC_OFF); 
        } 
    } 
#else 
    if (ind->state) 
        hsState.AudioRingHandle = AudioPlay(twilight); 
#endif 
}