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

#include "demohs.h" 
#include "hal.h" 
 
#include  
#include  
 
 
/* 
    sendMicGainReq 
 
    Send a message requesting the lib to send a microphone gain 
    AT request. 
*/ 
 
static void sendMicGainReq(int8 increment, uint8 gain) 
{ 
    MAKE_MSG(HS_MIC_REQ); 
    msg->increment = increment; 
    msg->gain = gain; 
    putMsg(msg); 
} 
 
 
/* 
   sendInitialMicGain 
 
   Sends the initial mic gain of the headset on connection 
   establishment.  See demohs.h for default values. 
*/ 
void sendInitialMicGain(void) 
{ 
    sendMicGainReq(VG_ZERO_INCREMENT, VG_ZERO_GAIN); 
} 
 
 
/* 
    onMicGainUp 
 
    Request to increment the current gain value. 
*/ 
void onMicGainUp(void) 
{ 
    sendMicGainReq(VG_VOLUME_UP, VG_ZERO_GAIN); 
} 
 
 
/* 
    onMicGainDown 
   
    Request to decrement the current mic gain value. 
*/ 
void onMicGainDown(void) 
{ 
    sendMicGainReq(VG_VOLUME_DOWN, VG_ZERO_GAIN); 
} 
 
 
/* 
    microphoneGainInd 
 
    Called by the headsetframework whenever a VGM is received.  This 
    may be as a result of us sending a HS_MIC_REQ from the app.     
*/ 
void microphoneGainInd(const HS_MIC_IND_T * ind) 
{ 
    HALsetMicrophone(ind->gain); 
}