Track Gen sig gen mode

Track gen sig gen mode added, still to do on web page

SigLo.ino

@@ -119,6 +119,7 @@ void initSigLow()
 void doSigGenLow ()
 {
 	static uint32_t oldIF;		// to store the current IF
+	static uint16_t oldSigGenOutputOn; 
 	
 	uint16_t t_x = 0, t_y = 0; 	// To store the touch coordinates
 
@@ -172,21 +173,6 @@ void doSigGenLow ()
 	
 					case 15:		// toggle the output on/off
 						sigGenOutputOn = !sigGenOutputOn;
-						if (sigGenOutputOn) {
-							SetRX(3);	//  both LO and RX in transmit.  Output levels have been set in the init function
-							key[b].drawButton(true, sig_keys[b].activeText);
-							tft.setCursor(sig_keys[b].x + 30, sig_keys[b].y);
-							tft.fillRect(sig_keys[b].x + 30, sig_keys[b].y, sig_keys[b].x + 60, sig_keys[b].y + 10, SIG_BACKGROUND_COLOR);
-							tft.setTextColor(TFT_GREEN, SIG_BACKGROUND_COLOR );
-							tft.print(" ON");
-						} else {
-							SetRX(1);	// Both in receive
-							key[b].drawButton(false, sig_keys[b].text);
-							tft.setCursor(sig_keys[b].x + 30, sig_keys[b].y);
-							tft.fillRect(sig_keys[b].x + 30, sig_keys[b].y, sig_keys[b].x + 60, sig_keys[b].y + 10, SIG_BACKGROUND_COLOR);
-							tft.setTextColor(TFT_WHITE, SIG_BACKGROUND_COLOR );
-							tft.print("OFF");
-						}
 						break;
 	
 					case 16:	// launch menu
@@ -225,6 +211,32 @@ void doSigGenLow ()
 			}
 		}
 
+		// check if state changed - can change from command or from wifi
+		switch (b) {
+			case 15:	// On/Off button
+				if (oldSigGenOutputOn != sigGenOutputOn)
+				{
+					if (sigGenOutputOn) {
+						SetRX(3);	//  both LO and RX in transmit.  Output levels have been set in the init function
+						key[b].drawButton(true, sig_keys[b].activeText);
+						tft.setCursor(sig_keys[b].x + 30, sig_keys[b].y);
+						tft.fillRect(sig_keys[b].x + 30, sig_keys[b].y, sig_keys[b].x + 60, sig_keys[b].y + 10, SIG_BACKGROUND_COLOR);
+						tft.setTextColor(TFT_GREEN, SIG_BACKGROUND_COLOR );
+						tft.print(" ON");
+					} else {
+						SetRX(1);	// Both in receive
+						key[b].drawButton(false, sig_keys[b].text);
+						tft.setCursor(sig_keys[b].x + 30, sig_keys[b].y);
+						tft.fillRect(sig_keys[b].x + 30, sig_keys[b].y, sig_keys[b].x + 60, sig_keys[b].y + 10, SIG_BACKGROUND_COLOR);
+						tft.setTextColor(TFT_WHITE, SIG_BACKGROUND_COLOR );
+						tft.print("OFF");
+					}
+				}
+				break;
+			
+		}	// on of state change switch
+
+	
 	}		// end of keys loop
 	
 
@@ -272,6 +284,7 @@ void doSigGenLow ()
 
 	oldFreq = sigGenSetting.Frequency;
 	oldIF = setting.IF_Freq;
+	oldSigGenOutputOn = sigGenOutputOn;
 }
 
 

SweepLo.ino

@@ -73,6 +73,7 @@ static bool			resetAverage;		// Flag to indicate a setting has changed and avera
 static bool			jsonDocInitialised = false;
 static uint16_t		chunkIndex;
 static uint32_t		offsetIF;			// IF frequency offset by half the bandwidth to position in the centre of the filter
+static uint32_t		tgIF;				// Track gen IF - SA IF plus any offset if both SI4432 defined
 
 
 
@@ -181,6 +182,15 @@ static uint32_t		offsetIF;			// IF frequency offset by half the bandwidth to pos
 				tg_lo.RxMode();
 #endif				
 
+#if defined(SI_TG_IF_CS) && defined(SI_TG_LO_CS)
+			if (tgLO_OK && tgIF_OK && (trackGenSetting.Mode == 2) )		// tracking gen as signal generator
+			{
+				tg_if.SetFrequency ( setting.IF_Freq + trackGenSetting.Offset );
+				tg_lo.SetFrequency ( setting.IF_Freq + trackGenSetting.Offset + trackGenSetting.Frequency );
+				tg_lo.TxMode ( trackGenSetting.LO_Drive );	// Set tracking generator LO on
+				tg_if.TxMode ( trackGenSetting.IF_Drive );	// Set tracking generator IF on
+			}
+#endif
 
 	 	}	// initSweep || changedSetting
 
@@ -208,6 +218,12 @@ static uint32_t		offsetIF;			// IF frequency offset by half the bandwidth to pos
 			tempIF = offsetIF;
 		}
 
+		// track gen IF follows LO if only one SI4432, otherwise its offset by an amount to reduce blow by
+		if (tgLO_OK)
+			tgIF = tempIF + trackGenSetting.Offset;
+		else
+			tgIF = tempIF;
+
 		
 
 		spurToggle = !spurToggle;
@@ -226,7 +242,7 @@ static uint32_t		offsetIF;			// IF frequency offset by half the bandwidth to pos
 
 #ifdef SI_TG_IF_CS
 			if (tgIF_OK && (trackGenSetting.Mode == 1) )
-				tg_if.SetFrequency ( tempIF + trackGenSetting.Offset );	// Set tracking generator IF for the sweep
+				tg_if.SetFrequency ( tgIF );	// Set tracking generator IF for the sweep
 #endif				
 		}
 
@@ -234,13 +250,11 @@ static uint32_t		offsetIF;			// IF frequency offset by half the bandwidth to pos
 
 #ifdef SI_TG_LO_CS
 			if (tgLO_OK && (trackGenSetting.Mode == 1) )
-				tg_lo.SetFrequency ( tempIF  + autoSweepFreq  + trackGenSetting.Offset );		// Set tracking generator LO
+				tg_lo.SetFrequency ( tgIF  + autoSweepFreq );		// Set tracking generator LO
 #endif				
 
 		setFreqMicros = micros();						// Store the time the frequency was changed
 
-//		if (trackGenSetting.Mode == 1)					// debug
-//			Serial.printf("tglo start %i at %i\n", tg_lo.GetFrequency(), setFreqMicros);
 
 		/*
 		 * Actual frequency in the SI4432 is rounded and is limited by the possible resolution

cmd.cpp

@@ -106,6 +106,7 @@ extern	uint32_t	colourTest;
 
 extern	Marker marker[MARKER_COUNT];	// Array of marker objects
 
+extern	uint16_t	sigGenOutputOn;		// signal generator state - 0 = off, 1 = on
 
 /*
  *	Functions still in the main program file. Maybe some need to move here?
@@ -183,6 +184,12 @@ extern	uint8_t dBmToRSSI ( double dBm );
 		{ "RXSWEEP",	  MSG_RX_SWEEP	},		// Set RX Sweep Mode
 		{ "RXSIGNAL",	  MSG_RXSIGNAL	},		// IF sweep signal frequency
 		{ "EXTGAIN",	  MSG_EXTGAIN	},		// External gain or attenuation
+		{ "SGON",		  MSG_SGON	    },		// turn on signal generator output
+		{ "SGOFF",		  MSG_SGOFF		},		// turn off signal generator output
+		{ "TRACKON",	  MSG_TGON	    },		// turn on tracking generator output
+		{ "TRACKOFF",	  MSG_TGOFF		},		// turn off tracking generator output
+		{ "TRACKSIG",	  MSG_TGSIG		},		// turn off tracking generator output
+		{ "TGFREQ",		  MSG_TGFREQ	},		// Set Track gen freq for sig gen mode
 		{ "",			  MSG_NONE      }		// Unrecognized	command
 	};
 
@@ -248,10 +255,15 @@ void ShowMenu ()
 	Serial.printf  ( "    WFMIN.........Set the minimum RSSI level for waterfall colouring: %i\n", setting.WaterfallMin );
 	Serial.printf  ( "    WFGAIN........Set the gain for waterfall colouring: %d\n", setting.WaterfallGain );
 
-	Serial.println ( "\nOther Commands:\n" );
 
-	Serial.print   ( "    DRIVE.........Local oscillator drive level [0 to 7]; currently: " );
+	Serial.println ( "\nSignal Generator Commands:\n" );
-	Serial.println ( setting.Drive );
+
+	Serial.println ( "    SGON..........Turn on signal generator output" );
+	Serial.print   ( "    SGOFF.........Turn off signal generator output; currently " );
+	Serial.println ( sigGenOutputOn );
+
+	Serial.print   ( "    SGFREQ........Signal Generator frequency, currently: " );
+	Serial.println ( FormatFrequency ( sigGenSetting.Frequency ));
 
 	Serial.print   ( "    SGLODRIVE.....Local oscillator drive level in signal generator mode [0 to 7]; currently: " );
 	Serial.println ( sigGenSetting.LO_Drive );
@@ -259,14 +271,35 @@ void ShowMenu ()
 	Serial.print   ( "    SGRXDRIVE.....Local oscillator drive level in signal generator mode [0 to 7]; currently: " );
 	Serial.println ( sigGenSetting.RX_Drive );
 
+#ifdef SI_TG_IF_CS
+	Serial.println ( "\nTracking Generator Commands:\n" );
+
+	Serial.println ( "    TRACKON.......Turn on tracking generator output" );
+#ifdef SI_TG_LO_CS
+	Serial.println ( "    TRACKSIG......Turn on tracking generator signal generator output" );
+#endif
+	Serial.print   ( "    TRACKOFF......Turn off tracking generator output; currently " );
+	Serial.println ( trackGenSetting.Mode );
+
+#ifdef SI_TG_LO_CS
 	Serial.print   ( "    TGLODRIVE.....Local oscillator drive level in tracking generator mode [0 to 7]; currently: " );
 	Serial.println ( trackGenSetting.LO_Drive );
-
+#endif
 	Serial.print   ( "    TGIFDRIVE.....Local oscillator drive level in tracking generator mode [0 to 7]; currently: " );
 	Serial.println ( trackGenSetting.IF_Drive );
-
+#ifdef SI_TG_LO_CS
 	Serial.print   ( "    TGOFFSET......Tracking generator offset from SA IF; currently: " );
 	Serial.println ( trackGenSetting.Offset );
+	Serial.print   ( "    TGFREQ........Tracking generator signal generator frequency; currently: " );
+	Serial.println ( trackGenSetting.Frequency );
+#endif
+#endif
+
+
+	Serial.println ( "\nOther Commands:\n" );
+
+	Serial.print   ( "    DRIVE.........Local oscillator drive level [0 to 7]; currently: " );
+	Serial.println ( setting.Drive );
 
 	Serial.println ( "    SAVE .........Save the current scan configuration [0 to 4]" );
 
@@ -759,6 +792,17 @@ uint8_t		reg69;							// Ditto
 
 			return true;
 
+/* 
+ * Signal Generator On/Off commands 
+ * 	
+ */
+		case MSG_SGON:
+			SetSGState(1);
+			return true;
+
+		case MSG_SGOFF:
+			SetSGState(0);
+			return true;
 
 /*
  *	The "SGLODRIVE" command sets the local oscillator "drive" level in signal generator mode.
@@ -800,8 +844,26 @@ uint8_t		reg69;							// Ditto
 
 			return true;
 
+/* 
+ * Tracking Generator On/Off commands 
+ * 	
+ */
+		case MSG_TGON:
+			SetTracking(1);
+			return true;
+
+		case MSG_TGOFF:
+			SetTracking(0);
+			return true;
+
 
 #ifdef SI_TG_LO_CS
+
+		case MSG_TGSIG:
+			SetTracking(2);
+			return true;
+
+
 /*
  *	The "TGLODRIVE" command sets the local oscillator "drive" level in tracking generator mode.
  *	(only valid if two SI4432 used for the tracking generator)
@@ -1578,6 +1640,14 @@ uint8_t		reg69;							// Ditto
 			Serial.printf ( "Tracking Generator IF offset: %i\n",  trackGenSetting.Offset );   		// sort out signed version of format frequency!!!!!!!!!!!!!!!!!!!
       		return true;
 
+		case MSG_TGFREQ:
+			if ( dataLen != 0 )								// Frequency specified?
+			{
+				freq1 = ParseFrequency ( dataBuff );		// Yes, get new frequency
+				SetTGFreq (freq1);        
+			}
+			Serial.printf ( "Tracking Signal Generator frequency: %i\n",  FormatFrequency ( trackGenSetting.Frequency )); 
+      		return true;
 
 
 /* 
@@ -2433,6 +2503,26 @@ int oldLevel = setting.Drive;
 }
 
 
+/* Set SGFreq sets the signal generator Frequency
+ *  Signal generator frequency may change frequently, so don't save the setting
+ *  Settings are saved when leaving the mode
+ *  parameter is in Hz
+ */
+void SetSGFreq (uint32_t f)
+{
+ 	if ( ( f >= MIN_SIGLO_FREQ ) && ( f <= MAX_SIGLO_FREQ ) )
+ 		sigGenSetting.Frequency = f;
+}
+
+/*
+ * Sig gen state is not saved - always want to start in off state
+ */
+
+void SetSGState (uint16_t s)
+{
+	sigGenOutputOn = s;
+}
+
 /*
  *	"SetSGLoDrive" sets the transmitter max output level in signal generator mode.
  *
@@ -2618,6 +2708,28 @@ int32_t		GetTGOffset	 ( )
 		return trackGenSetting.Offset;
 }
 
+/*
+ *	Set the IF frequency - M0WID addition
+ */
+
+bool SetTGFreq ( int32_t freq )
+{
+int32_t oldFreq = trackGenSetting.Frequency;
+
+	if (( freq < MIN_SIGLO_FREQ ) || ( freq > MAX_SIGLO_FREQ ))	// If out of limits
+		return false;										// Don't change it
+
+	trackGenSetting.Frequency = freq;
+
+	if ( oldFreq != trackGenSetting.Frequency )
+	{
+		changedSetting = true;
+		WriteTrackGenSettings ();
+	}
+
+	return true;											// Frequency was good
+}
+
 
 /*
  *	"SetSweepStart" and "GetSweepStart" were added in Version 2.3. They used to be in

cmd.h

@@ -78,6 +78,13 @@
 #define MSG_RX_SWEEP    49		// Set the RX Sweep Mode
 #define MSG_RXSIGNAL    50		// Set frequency of injected signal for IF Sweep
 #define MSG_EXTGAIN     51		// Set external gain or attenuation
+#define MSG_SGON		52		// Turn Signal Generator output on
+#define MSG_SGOFF		53		// Turn Signal Generator output off
+#define MSG_SG_FREQ		54		// Set Signal Generator Frequency
+#define MSG_TGON		55		// Turn Tracking Generator output on
+#define MSG_TGOFF		56		// Turn Tracking Generator output off
+#define MSG_TGFREQ		57		// Set Track Gen frequency for sig gen mode
+#define MSG_TGSIG		58		// Set Track Gen sig gen mode
 
 #define MSG_COLOURTEST  99		// test of waterfall colours - remove this when done!
 
@@ -139,6 +146,7 @@ void		SetGenerate ( int8_t g );			// Puts the unit into or out of signal generat
 bool		SetIFFrequency ( int32_t f );		// Sets the IF frequency
 
 void 		SetLoDrive ( uint8_t level );		// Sets LO Si4432 output level
+void		SetSGState (uint16_t s);
 void		SetSGLoDrive ( uint8_t level );
 void		SetSGRxDrive ( uint8_t level );
 
@@ -146,6 +154,7 @@ void		SetTracking ( int8_t m );			// set tracking generator mode
 void		SetTGLoDrive ( uint8_t level );		// set tracking generator drive
 void		SetTGIfDrive ( uint8_t level );
 bool		SetTGOffset	 ( int32_t offset);		// set tracking generator offset - returns false if invalid
+bool		SetTGFreq	 ( int32_t freq);		// set tracking generator freq for sig gen mode - returns false if invalid
 int32_t		GetTGOffset (void );
 void 		SetTGPower ( int16_t dBm );			// Set TG attenuator and drive levels
 

data/index.html

@@ -739,7 +739,7 @@ function handleSettings (settings)
 		setRBW.disabled = false;
 		setRefOut.disabled = true;
 		setSpur.disabled = true;
-		setTrackgen.disabled = true;
+		setTrackGen.disabled = true;
 		setTrackGenPower.disabled = true;
 	} else if (settings.mode == 4 ) {	// IF Sweep (SAW test)
 		setStart.max = settings.IF;
@@ -752,7 +752,7 @@ function handleSettings (settings)
 		setRBW.disabled = true;
 		setRefOut.disabled = true;
 		setSpur.disabled = true;
-		setTrackgen.disabled = true;
+		setTrackGen.disabled = true;
 		setTrackGenPower.disabled = true;
 	} else if (settings.mode == 7 ) {	// BANDSCOPE
 		setStart.max = 350;
@@ -765,7 +765,7 @@ function handleSettings (settings)
 		setRBW.disabled = false;
 		setRefOut.disabled = true;
 		setSpur.disabled = true;
-		setTrackgen.disabled = true;
+		setTrackGen.disabled = true;
 		setTrackGenPower.disabled = true;
 	} else {
 		setStart.max = 350;
@@ -778,7 +778,7 @@ function handleSettings (settings)
 		setRBW.disabled = false;
 		setRefOut.disabled = false;
 		setSpur.disabled = false;
-		setTrackgen.disabled = false;
+		setTrackGen.disabled = false;
 		setTrackGenPower.disabled = false;
 	}	
 	

simpleSA.ino

@@ -504,7 +504,7 @@ uint16_t	spacing = 10000;
 
 bool		paused = false;
 
-bool		sigGenOutputOn = false;
+uint16_t	sigGenOutputOn = false;
 uint32_t 	oldFreq;	// to store the current Signal Generator frequency
 
 /*
@@ -672,6 +672,7 @@ bool fsStatus = false;								// True if SPIFFS loads ok
 
 // If the tracking generator IF SI4432 is defined, then check to see if it is connected
 	tgIF_OK = false;
+
 #ifdef SI_TG_IF_CS
 //	pinMode (SI_TG_IF_CS, INPUT);	//Start off in input mode, no pullup
 //	delay(2);
@@ -709,6 +710,7 @@ bool fsStatus = false;								// True if SPIFFS loads ok
 
 // If the tracking generator LO SI4432 is defined, then check to see if it is connected
 	tgLO_OK = false;
+
 #ifdef SI_TG_LO_CS
 //	pinMode (SI_TG_LO_CS, INPUT);	//Start off in input mode, no pullup
 //	delay(2);
@@ -730,7 +732,9 @@ bool fsStatus = false;								// True if SPIFFS loads ok
 //		pinMode (SI_TG_LO_CS, OUTPUT);
 //		digitalWrite(SI_TG_LO_CS, HIGH);		// make sure it doesn't get selected		
 //	}
-
+#else
+		pinMode (25, OUTPUT);
+		digitalWrite(25, HIGH);		// make sure it doesn't get selected		
 #endif
 
 

simpleSA_wifi.cpp

@@ -220,10 +220,31 @@ void webSocketEvent ( uint8_t num, WStype_t type, uint8_t* payload, size_t paylo
 
 
 /*
- *	Format of message to process
  *
- *		#a 123.123     Start frequency
+ *	Message format
- *		#b 123.123     Stop frequency
+ *		#(code) value  where code is a single char.  Case is important
+ *		
+ *		a   start freq (MHz) - sig gen freq if in sig gen mode
+ *		b   stop frequency
+ *		c   centre frequency
+ *		s 	Span
+ *		d   Local Oscillator Drive 
+ *		g   PreAmpGain/Mode 
+ *		i   IF frequency
+ *		m   mode
+ *		p   set actual power to peak value
+ *		o   RefOut
+ *		r   request Settings are pushed
+ *		A   internal attenuation (PE4302)
+ *		E   external gain ( eg attenuator(-ve) or preamp(+ve) )
+ *		R   requested RBW
+ *		S   Spur reduction Off/On
+ *		t   trackGen Off/On/Fixed
+ *		T 	trackGen output level
+ *		F	Sig Gen frequency
+ *		L   Sig Gen level (dBm)
+ *		G   Sig Gen Off/On
+ *		P   Sig Gen set max output level (dBm)
  *
  *	Other formats are ignored
  */
@@ -248,6 +269,9 @@ void webSocketEvent ( uint8_t num, WStype_t type, uint8_t* payload, size_t paylo
 								case SA_LOW_RANGE:
 									SetSweepStart ( value * 1000000.0 );		// Set Low range sweep start frequency
 									break;
+								case SIG_GEN_LOW_RANGE:
+									SetSweepStart ( value * 1000000.0 );		// Set Low range sweep start frequency
+									break;
 								case IF_SWEEP:
 									SetIFsweepStart ( value * 1000000.0 );		// Set IF sweep start frequency
 									break;

ui.cpp

@@ -197,7 +197,7 @@ uint8_t	operation_requested = OP_NONE;				// No operations so far
 enum {	KM_START,	KM_STOP,		KM_CENTER,		KM_SPAN,	KM_FOCUS,
 		KM_REFPOS,	KM_ATTENUATION,	KM_ACTUALPOWER, KM_IFFREQ,	KM_PREAMP,
 		KM_TUNE, KM_SGFREQ, KM_SGLEVEL, KM_SGLEVCAL, KM_IFSTART, KM_IFSTOP,
-		KM_IFSIG, KM_TGOFFSET, KM_TGLO_DRIVE, KM_TGIF_DRIVE, KM_BANDSCOPESTART,
+		KM_IFSIG, KM_TGOFFSET, KM_TGFREQ, KM_TGLO_DRIVE, KM_TGIF_DRIVE, KM_BANDSCOPESTART,
 		KM_WFMIN, KM_WFGAIN, KM_BANDSCOPELEVEL, KM_RXSPAN, KM_RXSIG, KM_RBW,
 		KM_EXTERN };
 
@@ -216,7 +216,7 @@ static const char * const keypad_mode_label[] =
 	"START",	"STOP",		"CENTER",	"SPAN",		"FOCUS",
 	"REFPOS",	"ATTEN",	"POWER",	"IF FREQ",	"PREAMP",
 	"XTAL CAL", "SG FREQ", "dBm", "Max dBm", "IF START", "IF STOP",
-	"IF Sig Freq", "TG OFFSET", "TG LO Drive", "TG IF Drive", "START",
+	"IF Sig Freq", "TG OFFSET", "TG FREQ", "TG LO Drive", "TG IF Drive", "START",
 	"WF MIN", "WF GAIN", "REF LEVEL", "RX SPAN", "RX Sig Freq", "RBW",
 	"EXTERNAL"
 };
@@ -291,6 +291,7 @@ static void		menu_WaterfallGain_cb ( int item );
 
 static void		menu_tracking_cb(int item);				// M0WID - added in 3.0e
 static void		menu_tg_offset_cb(int item);			// M0WID - added in 3.0e
+static void		menu_tg_frequency_cb(int item);			// M0WID - added in 3.0e
 static void		menu_tgIF_drive_cb(int item);			// M0WID - added in 3.0e
 static void		menu_tgLO_drive_cb(int item);			// M0WID - added in 3.0e
 
@@ -489,11 +490,13 @@ static Menuitem menu_tracking[] =						// Tracking generator mode
 {
 	Menuitem ( MT_FUNC, "OFF",		menu_tracking_cb ),
 	Menuitem ( MT_FUNC, "ON",		menu_tracking_cb ),
-	Menuitem ( MT_FUNC, "OFFSET",	menu_tg_offset_cb ),
-	Menuitem ( MT_FUNC, "\2IF\0DRIVE",	menu_tgIF_drive_cb ),
 #ifdef SI_TG_LO_CS	
+	Menuitem ( MT_FUNC, "GENERATE", menu_tracking_cb ),
+	Menuitem ( MT_FUNC, "FREQUENCY",menu_tg_frequency_cb ),
+	Menuitem ( MT_FUNC, "OFFSET",	menu_tg_offset_cb ),
 	Menuitem ( MT_FUNC, "\2LO\0DRIVE",	menu_tgLO_drive_cb ),
 #endif
+	Menuitem ( MT_FUNC, "\2IF\0DRIVE",	menu_tgIF_drive_cb ),
 	Menuitem ( MT_BACK, "<-BACK" ),						// Next level up
 	Menuitem ( MT_END )									// End marker
 };
@@ -1388,6 +1391,17 @@ void menu_tg_offset_cb ( int item )
 	ui_process_keypad ();
 }
 
+/*
+ *	"menu_tg_frequency_cb" - Handles setting the tracking generator frequency when in sig gen mode
+ */
+
+void menu_tg_frequency_cb ( int item )
+{
+	int km = KM_TGFREQ;
+	tft.fillScreen ( bg );
+	ui_mode_keypad ( km );
+	ui_process_keypad ();
+}
 
 
 /*
@@ -1450,6 +1464,11 @@ static void menu_tracking_cb (int item )
 			ui_mode_normal ();						// Back to sweep
 			break;
 
+		case 2:										// Turn Sig gen mode
+			SetTracking (2);
+			ui_mode_normal ();						// Back to sweep
+			break;
+
 	}
 		
 }
@@ -2133,6 +2152,7 @@ static const keypads_t * const keypads_mode_tbl[] =
 	keypads_freq,					// KM_IFSTOP.........IF Sweep stop frequency
 	keypads_freq,					// KM_IFSIG..........IF Sweep signal frequency
 	keypads_signed_freq,			// KM_TGOFFSET.......Offset Frequency of TG IF compared to SA IF
+	keypads_freq,					// KM_TGFREQ.........Frequency of TG in sig gen mode
 	keypads_level,					// KM_TGLO_DRIVE.....Tracking generator LO drive
 	keypads_level,					// KM_TGIF_DRIVE.....Tracking generator IF drive
 	keypads_freq,					// KM_BANDSCOPESTART.IF Sweep start frequency
@@ -2522,6 +2542,10 @@ static void fetch_numeric_target ( void )
 			uistat.value = trackGenSetting.Offset;
 			break;
 
+		case KM_TGFREQ:
+			uistat.value = trackGenSetting.Frequency;
+			break;
+
 		case KM_TGIF_DRIVE:
 			uistat.value = trackGenSetting.IF_Drive;
 			break;
@@ -2945,6 +2969,23 @@ static int keypad_click ( int key )
 					SetTGOffset ( (int32_t)value );
 				break;
 
+
+			case KM_TGFREQ:
+				if ( (value > MAX_SIGLO_FREQ) || (value < MIN_SIGLO_FREQ) )
+				{
+					strcpy ( fBuff, FormatSignedFrequency (( int32_t ) value ));
+
+					DisplayError  ( ERR_WARN,
+									fBuff,
+								    "Invalid Frequency!",
+								    NULL,
+								    NULL );
+				}
+				else
+					SetTGFreq ( (int32_t)value );
+				break;
+
+			
 			case KM_TGIF_DRIVE:
 				if ( (value > MAX_DRIVE) || (value < MIN_DRIVE) )
 				{
@@ -2958,6 +2999,8 @@ static int keypad_click ( int key )
 					SetTGIfDrive ( (uint8_t)value );
 				break;
 
+
+#ifdef SI_TG_LO_CS
 			case KM_TGLO_DRIVE:
 				if ( (value > MAX_DRIVE) || (value < MIN_DRIVE) )
 				{
@@ -2970,6 +3013,7 @@ static int keypad_click ( int key )
 				else
 					SetTGLoDrive ( (uint8_t)value );
 				break;
+#endif			
 
 
 			case KM_BANDSCOPESTART:									// Bandscope Start frequency entered?
@@ -3228,21 +3272,25 @@ void UiProcessTouch ( void )
 					if ( (touch_y < 10) && (touch_x < 160) )
 						{
 							marker[0].Toggle();	// marker 1
+							setting.MkrStatus[0] = marker[0].Status();
 							return;
 						}
 					else if ( (touch_y < 10) && (touch_x > 160) )
 						{
 							marker[2].Toggle();	// marker 3
+							setting.MkrStatus[2] = marker[2].Status();
 							return;
 						}
 					else if ( (touch_y < 20) && (touch_x < 160) )
 						{
 							marker[1].Toggle();	// marker 2
+							setting.MkrStatus[1] = marker[1].Status();
 							return;
 						}
 					else if ( (touch_y < 20) && (touch_x > 160) )
 						{
 							marker[3].Toggle(); // marker 4
+							setting.MkrStatus[3] = marker[3].Status();
 							return;
 						}
 					else if ( (touch_y < 40) && (touch_x > 30) )