--- a/FXAnalyse.c	Wed Jan 22 14:45:23 2014 +0100
+++ b/FXAnalyse.c	Wed Jan 22 14:45:24 2014 +0100
@@ -7,29 +7,21 @@
 #include <string.h>
 #include <future.h>
 
-#include "YLCStuff.h"
 #include "FXAnalyse.h" 
 #include "Plot.h"
 #include "Allan.h"
 #include "DDS4xAD9912.h"
 #include "DDS_Fox.h" 
 #include "muParserDLL.h"
+#include "utils.h"
 #include "stat.h"
+#include "data-provider.h"
 
 #define SR_LOGGER_IP "145.238.204.91"
 #define DATAFOLDER "Z:\\Measures-2013"
 
 #define FREP_STEP_SIZE 50000.0
 
-// number of channels read
-#define NCHAN 4
-
-// data acquisition event
-struct event {
-	struct timeval time;
-	double data[NCHAN];
-};
-
 // data acquisition status
 int acquiring;
 // data queue
@@ -37,14 +29,12 @@
 // data provider thread
 CmtThreadFunctionID dataProviderThread;
 
-// data providers
-int CVICALLBACK FakeDataProvider (void *functionData);
-int CVICALLBACK FileDataProvider (void *functionData);
-int CVICALLBACK KKDataProvider (void *functionData);
-
-
 // select which data provider to use
+#ifdef NDEBUG
 #define DataProvider KKDataProvider
+#else
+#define DataProvider FakeDataProvider
+#endif
 
 struct event event;
 double utc;
@@ -52,7 +42,6 @@
 double Math1, Math2, Math3, Math4, Math5;
 double N1, N2, N3;
 
-
 // panels
 static int MainPanel;
 static int CalcNPanel;
@@ -223,7 +212,7 @@
 double Frequencystep2=10.0, tbegin2=0.0, Frepbefore2=0.0, Ch2before=0.0, Frequency2=0.0;
 double Frequencystep3=100000.0, tbegin3=0.0, Frepbefore3=0.0, Frequency3=0.0;
 
-volatile bool Getsign1=FALSE,Getsign2=FALSE,Getsign3=FALSE;
+int Getsign1=FALSE,Getsign2=FALSE,Getsign3=FALSE;
 double Sign1=1.0, Sign2=1.0, Sign3=0.0;
 
 
@@ -269,18 +258,18 @@
 // recenter
 struct recenter {
 	int enabled;		// recenter enabled
-	int Lo;				// recenter microwave beatnote
-	int Sr;				// recenter Sr beatnote
-	int Hg;				// recenter Hg beatnote
+	int lo;				// recenter microwave beatnote
+	int sr;				// recenter Sr beatnote
+	int hg;				// recenter Hg beatnote
 	double interval;	// interval
 	double t0;			// beginning of current interval
 };
 
 struct recenter recenter = {
 	.enabled = FALSE,
-	.Lo = FALSE,
-	.Sr = FALSE,
-	.Hg = FALSE,
+	.lo = FALSE,
+	.sr = FALSE,
+	.hg = FALSE,
 	.interval = 1800.0,
 	.t0 = 0.0
 };
@@ -342,41 +331,6 @@
 }
 
 
-static const char * thousands(char *buffer, int size, char *fmt, double val)
-{
-	// compute how many separators we need
-	#pragma DisableFunctionRuntimeChecking log10
-	int nsep = log10(fabs(val));
-	nsep = (nsep > 0 ? nsep / 3 : 0);
-	// format value
-	int len = snprintf(buffer, size, fmt, val);
-	char *src = buffer + len;
-	char *dst = src + nsep;
-	// copy till decimal separator
-	while (*src != '.')
-		*dst-- = *src--;
-	// the next char is the decimal separator
-	int n = -1;
-	// copy till src and dst point to the same location
-	while (src != dst) {
-		*dst-- = *src--;
-		// insert separator
-		if (isdigit(*src) && (++n) && ((n % 3) == 0))
-			*dst-- = ' ';
-	}
-	return buffer;
-}
-
-
-#define MIN(x, y) (x) < (y) ? (x) : (y)
-
-// MJD functiom used by the Sr programs
-static inline double utc2mjd(double utc)
-{
-	return 15020.0 + utc / 86400.0;
-}
-
-
 void logmsg(const char *frmt, ...)
 {
 	char msg[1024];
@@ -669,7 +623,6 @@
 	return 0;
 }
 
-
 int CVICALLBACK CB_OnStart (int panel, int control, int event,
 		void *callbackData, int eventData1, int eventData2)
 {
@@ -718,14 +671,6 @@
 	return 0;
 }
 
-
-void CVICALLBACK MessageCB (void *msg)
-{
-	if (msg != NULL)
-		logmsg(msg);
-}
-
-
 void CVICALLBACK DataAvailableCB (CmtTSQHandle queueHandle, unsigned int ev,
 		int value, void *callbackData)
 {
@@ -1383,7 +1328,7 @@
 					
 					if ((utc - recenter.t0) > recenter.interval) {
 		
-						if (recenter.Lo) {
+						if (recenter.lo) {
 							// adjust DDS2 frequency to keep Ch4 reading at 275 kHz
 							double freq = DDS4xAD9912_GetFrequency(&DDS4xAD9912, 2);
 							double adj = 275000.0 - rollmean_ch4.mean;
@@ -1393,7 +1338,7 @@
 							logmsg("recenter ch4 to 275 kHz: DDS2 adjustment=%+3e", adj);
 						}
 					
-						if (recenter.Hg) {
+						if (recenter.hg) {
 							// adjust DDS3 frequency to keep Ch2 reading at 10 kHz
 							double freq = DDS4xAD9912_GetFrequency(&DDS4xAD9912, 3);
 							double adj = 10000 - rollmean_ch2.mean;
@@ -1403,7 +1348,7 @@
 							logmsg("recenter Hg beatnote (ch2) to 10 kHz: DDS3 adjustment=%+3e", adj);
 						}
 					
-						if (recenter.Sr) {
+						if (recenter.sr) {
 							// adjust DDS3 frequency to keep Ch3 reading at 10 kHz
 							double freq = DDS4xAD9912_GetFrequency(&DDS4xAD9912, 3);
 							double adj = 10000 - rollmean_ch3.mean;
@@ -1452,7 +1397,6 @@
 	}
 }
 
-
 int CVICALLBACK CB_OnFreqPlot (int panel, int control, int event,
 		void *callbackData, int eventData1, int eventData2)
 {
@@ -1468,7 +1412,6 @@
 	return 0;
 }
 
-
 int CVICALLBACK CB_OnAllanPlot (int panel, int control, int event,
 		void *callbackData, int eventData1, int eventData2)
 {
@@ -1637,7 +1580,6 @@
 	return 0;
 }
 
-
 int CVICALLBACK CB_OnMinus10k (int panel, int control, int event,
 		void *callbackData, int eventData1, int eventData2)
 {
@@ -1678,7 +1620,6 @@
 	return 0;
 }
 
-
 int CVICALLBACK CB_OnAcceptN (int panel, int control, int event,
 		void *callbackData, int eventData1, int eventData2)
 {
@@ -1703,7 +1644,6 @@
 	return 0;
 }
 
-
 int CVICALLBACK CB_OnNCalculus (int panel, int control, int event,
 		void *callbackData, int eventData1, int eventData2)
 {
@@ -1758,7 +1698,6 @@
 	return 0;
 }
 
-
 int CVICALLBACK CB_OnStartNCalculus (int panel, int control, int event,
 		void *callbackData, int eventData1, int eventData2)
 {
@@ -1789,8 +1728,6 @@
 	return 0;
 }
 
-
-
 int CVICALLBACK CB_OnNStop (int panel, int control, int event,
 		void *callbackData, int eventData1, int eventData2)
 {
@@ -1829,7 +1766,6 @@
 	return 0;
 }
 
-
 int  CVICALLBACK CB_OnFindSign (int panel, int control, int event, 
 		void *callbackData, int eventData1, int eventData2)
 {
@@ -1870,7 +1806,6 @@
 	return 0;
 }
 
-
 int  CVICALLBACK CB_OnFind275K (int panel, int control, int event, 
 		 void *callbackData, int eventData1, int eventData2)
 {
@@ -1900,8 +1835,7 @@
 	return 0;
 }
 
-
- int  CVICALLBACK CB_OnChangeNdiv (int panel, int control, int event, 
+int  CVICALLBACK CB_OnChangeNdiv (int panel, int control, int event, 
 		 void *callbackData, int eventData1, int eventData2)
 {
 	switch (event)
@@ -1916,8 +1850,7 @@
 	return 0;
 }
 
-
- int  CVICALLBACK CB_MeasureSlope (int panel, int control, int event, 
+int  CVICALLBACK CB_MeasureSlope (int panel, int control, int event, 
 		 void *callbackData, int eventData1, int eventData2)
 {
 	switch (event)
@@ -1946,7 +1879,6 @@
 	return 0;
 }
 
- 
 int  CVICALLBACK CB_OnResetSlope (int panel, int control, int event, 
 		void *callbackData, int eventData1, int eventData2)
 {
@@ -1963,7 +1895,6 @@
 	return 0;
 }
   
-  
 int  CVICALLBACK CB_ChangeSlopeTime (int panel, int control, int event, 
 		void *callbackData, int eventData1, int eventData2)
 {
@@ -1977,7 +1908,6 @@
 	return 0;
 }
 
-
 int  CVICALLBACK CB_OnCROX (int panel, int control, int event, 
 		 void *callbackData, int eventData1, int eventData2)
 {
@@ -1999,8 +1929,6 @@
 	return 0;
 }
 
-
-
 int  CVICALLBACK CB_RecenterEnable (int panel, int control, int event, 
 		 void *callbackData, int eventData1, int eventData2)
 {
@@ -2017,7 +1945,6 @@
 	return 0;
 }
 
-
 int  CVICALLBACK CB_OnStopSlopeCancellingOnUnlocked (int panel, int control, int event, 
 		 void *callbackData, int eventData1, int eventData2)
 {
@@ -2044,7 +1971,6 @@
 	return 0;
 }
 
-
 int CVICALLBACK CB_OnEstimateN (int panel, int control, int event,
 		void *callbackData, int eventData1, int eventData2)
 {
@@ -2258,19 +2184,31 @@
 			switch (control)
 			{
 				case PANEL_RECENTER_LO:
-					GetCtrlVal(panel, control, &recenter.Lo);
+					GetCtrlVal(panel, control, &recenter.lo);
 					break;
 				case PANEL_RECENTER_HG:
-					GetCtrlVal(panel, control, &recenter.Hg);
+					GetCtrlVal(panel, control, &recenter.hg);
 					break;
 				case PANEL_RECENTER_SR:
-					GetCtrlVal(panel, control, &recenter.Sr);
+					GetCtrlVal(panel, control, &recenter.sr);
 					break;
 			}
 			break;
 	}
 	return 0;
 }
+
+int CVICALLBACK CB_SrDatalogger (int panel, int control, int event,
+		void *callbackData, int eventData1, int eventData2)
+{
+	switch (event)
+	{
+		case EVENT_COMMIT:
+			GetCtrlVal(panel, control, &Sr_datalogger_enabled);
+			break;
+	}
+	return 0;
+}
 int CVICALLBACK CB_DedriftDDSFreq (int panel, int control, int event,
 		void *callbackData, int eventData1, int eventData2)
 {