Merge "Add into jni the possibility to seek freq. for FM Radio Station" into gingerbread (ea646d59) · Commits · e / os / android_frameworks_base

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;
		}