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Commit c5bc486c authored by KalimochoAz's avatar KalimochoAz
Browse files

Add into jni the possibility to seek freq. for FM Radio Station 

- Added Seek FW
- Added Seek BG
- Modified Return getFreqNative to have a valid return

Change-Id: I1f18e97cd7fdd7bc29912144bed5072ab9f667e1
parent 88672d32

core/jni/android_hardware_fm_wl1271.cpp

+49 −6
Original line number Diff line number Diff line
@@ -153,15 +153,49 @@ static jint android_hardware_fmradio_FmReceiverJNI_setControlNative 
    return FM_JNI_SUCCESS;

}



static int HexStr2Int(const char* szHexStr)

{

     unsigned long Result;

     sscanf(szHexStr, "%lx", &Result);

     return Result;

}



/* native interface */

static jint android_hardware_fmradio_FmReceiverJNI_getFreqNative

    (JNIEnv * env, jobject thiz, jint fd)

{

    //TODO it actually never read the frequency, but this is not implemented correctly nevertheless

    int retval = system("hcitool cmd 0x3f 0x133 0x0a 0x02 0x00");

    LOGD("getFreqNative() %d", retval);

FILE *pRunPipe=NULL;

char sAux[200];

char sLow[3];

char sHigh[3];

char sNoValid[3];

char sResult[5];



    // Create a pipe and wait for tool answere

    pRunPipe = popen("hcitool cmd 0x3F 0x133 0x0A 0x02 0x00", "r");

    if (pRunPipe)

    {

        // Wait until pipe finish

        while (!feof(pRunPipe))

            fgets(sAux, 200, pRunPipe);

        pclose(pRunPipe);



        // Check if we get a valid answere

        if ( strstr(sAux, "  01 33 FD 00 ") )

        {

            // Convert result data into HEX to get the freq.

            sscanf(sAux,"  01 33 FD 00 %s %s%s",sLow,sHigh,sNoValid);

            sprintf(sResult,"%s%s",sLow,sHigh);



            // Return FM actual freq.

            return (HexStr2Int( sResult ) * 50 + 87500);

        }

        else

            return FM_JNI_FAILURE;

    }

    else

        return FM_JNI_FAILURE;



    return retval;

}



/*native interface */
@@ -196,7 +230,14 @@ static jint android_hardware_fmradio_FmReceiverJNI_getControlNative 
static jint android_hardware_fmradio_FmReceiverJNI_startSearchNative

    (JNIEnv * env, jobject thiz, jint fd, jint dir)

{

    LOGD("startSearchNative() %d", dir);

    int retval = system("hcitool cmd 0x3f 0x135 0x0f 0x02 0x00 0x00 0x10");

    if (dir == 0)

        retval = system("hcitool cmd 0x3f 0x135 0x1b 0x02 0x00 0x00 0x01");

    else

        retval = system("hcitool cmd 0x3f 0x135 0x1b 0x02 0x00 0x00 0x00");

    retval = system("hcitool cmd 0x3f 0x135 0x2d 0x02 0x00 0x00 0x02");

    LOGD("startSearchNative() %d", retval);



    return FM_JNI_SUCCESS;

}
@@ -204,7 +245,9 @@ static jint android_hardware_fmradio_FmReceiverJNI_startSearchNative 
static jint android_hardware_fmradio_FmReceiverJNI_cancelSearchNative

    (JNIEnv * env, jobject thiz, jint fd)

{

    LOGD("cancelSearchNative()");

    int retval = system("hcitool cmd 0x3f 0x135 0x2d 0x02 0x00 0x00 0x00");



    LOGD("cancelSearchNative() %d", retval);

    return FM_JNI_SUCCESS;

}