Adding directly settable commands (instead of volume up/down, set volume to xx)

AVR Working Controller/AVRInterface.h

@@ -47,7 +47,8 @@ public:
 	bool Initialize();
 
 	typedef enum {
-		subMain,			//
+		sysCommand,			// even with power off
+		subMain,			// after power is on
 		subRadio,
 		subAudio,
 		subZone1,
@@ -87,6 +88,10 @@ public:
 		fncDC1OnOff,
 		fncDC2OnOff,
 		fncReady,
+		fncReportEnable,
+		fncReportDelay,
+		fncRequest,
+		fncSetValue,
 		fncFunctionCount
 	} AVRFunction_E;
 
@@ -196,6 +201,41 @@ public:
 		eDualMain,				//
 		eDualSub,
 		eDualAll,
+
+		e0ms,
+		e50ms,
+		e100ms,
+		e150ms,
+		e200ms,
+		e250ms,
+		e300ms,
+		e350ms,
+		e400ms,
+		eTuningFreq,
+		eMainVolDB,
+		eZone2VolDB,
+		eInputName,
+		eZone2InputName,
+		eZoneXVolDB,
+		eZoneXInputName,
+		eMasterVol,
+		eZone2Vol,
+		eMainLRBal,
+		eMainLevel,
+		eZone3Vol,
+
+		eMainLevelR,
+		eMainLevelL,
+		eCenterLevel,
+		eRearR,
+		eRearL,
+		eFrontR,
+		eFrontL,
+		eSurBackR,
+		eSurBackL,
+		eSwfr1,
+		eSwfr2,
+
 		eARGCount
 	} AVRArg_T;
 
@@ -208,10 +248,12 @@ public:
 	/// @param[in] subsystem: Main | Zone 1 | Zone 2 | Zone 3
 	/// @param[in] function : Power, Speaker, Volume, etc.
 	/// @param[in] arg: on/off, etc.
+	/// @param[in] variableData is for those functions where it needs to integrate variable value, such as setting the volume directly
 	/// @return 
 	bool AVRCommand(AVRSubsystem_T subsystem,
 		AVRFunction_E function,
-		AVRArg_T arg);
+		AVRArg_T arg,
+		uint8_t variableData = 0);
 
 
 	/// @brief AVRMessageType_T