Changeset 19452 for trunk/FACT++/scripts/Main.js

Timestamp:

03/28/19 18:40:40 (6 years ago)

Author:

tbretz

Message:

This implements changes which are required for follow-up observations. Note that up to date these are untested and will be rolled out and debugged in La Palam in the next days.

File:

• trunk/FACT++/scripts/Main.js (modified) (7 diffs)

trunk/FACT++/scripts/Main.js

@@ -194 +194 @@
 // ================================================================
 
-function OpenLid()
+function OpenLid(fast)
 {
     /*
@@ -227 +227 @@
         dim.log("Camera response: "+ret.data.replace(/\n/g,"/")+" ["+ret.rc+"]");
     }
+
+    if (!fast)
+        return;
+
     dim.wait("LID_CONTROL", "Open", 30000);
 
@@ -1508 +1512 @@
         //  ...no drs calibration was done yet
         var drscal = (run%4==0 && (remaining>15 && diff>70)) || diff==null;
-    
+
         if (point)
         {
@@ -1545 +1549 @@
         }
 
-        if (drscal)
+        if (drscal && !obs[sub].nodrs)
         {
             doDrsCalibration("data");  // will turn voltage off
@@ -1562 +1566 @@
             continue;
 
-        OpenLid();
-
-        // This is now th right time to wait for th drive to be stable
-        dim.wait("DRIVE_CONTROL", "OnTrack", 150000); // 110s for turning and 30s for stabilizing
+        OpenLid(obs[sub].grb);
+
+        // This is now the right time to wait for the drive to be stable
+        if (!obs[sub].grb)
+            dim.wait("DRIVE_CONTROL", "OnTrack", 150000); // 110s for turning and 30s for stabilizing
+        else
+            v8.timeout(150000, function() { if (dim.state("DRIVE_CONTROL").name=="Approaching" || dim.state("DRIVE_CONTROL").name=="Tracking" || dim.state("DRIVE_CONTROL").name=="OnTrack") return true; });
 
         // Now check the voltage... (do not start a lot of stuff just to do nothing)
@@ -1578 +1585 @@
         // and wait for the feedback to get stable
         service_feedback.voltageOn();
-        service_feedback.waitForVoltageOn();
+        if (!obs[sub].grb)
+            service_feedback.waitForVoltageOn();
+
+        // For the first run to be taken (ratecontrol)
+        // Lid must be != Closed
+        // Drive must be >= Moving
+        // Setting the threshold can take 2-3 seconds
+
+        if (obs[sub].grb && run==0)
+        {
+            // Instead of a pedestal run, we take a very short grb mode run
+            // which is a classical data run but does not change the thresholds
+            // This gives the voltages (typ. 5s) and currents (typ. 3s) time to
+            // stabilize and threshold setting for the next run will be
+            // reliable and fast but we have data already
+            dim.log("Starting GRB mode.");
+
+            // Whatever we do... it does not make sense to start with a closed lid
+            // If the lid is not yet open, wait for the lid to be open and
+            // go on as usual.
+            if (dim.state("LID_CONTROL")!="Open")
+            {
+                dim.wait("LID_CONTROL", "Open", 30000);
+                service_feedback.waitForVoltageOn();
+            }
+
+            // Doing this manually makes it more flexible but turns off
+            // automatic Critical mode checking of the feedback and
+            // automatic reconnect
+            var nextrun = sub_startrun.get().obj['next'];
+            dim.log("Take run %3d".$(nextrun)+" [grb-mode]");
+
+            dim.send("MCP/START", -1, -1, "grb"); // Use previous threshold settings if ratecontrol "InProgress"
+            dim.wait("MCP", "TakingData", 15000);
+
+            dim.wait("FEEDBACK",      "InProgress",  45000); // This is most likely the first to happen
+            dim.wait("DRIVE_CONTROL", "Tracking",   150000); // 110s for turning and 30s for stabilizing
+
+            v8.wait(1000); // By now we should have collected the required three current events in FEEDBACK
+            // Current are averaged over 10s. So by now we should have a reasonable idea of the brightness of the sky
+            // Individual pixels might still suffer wrong settings
+            // Starting a new run takes less than 2s (for 60s runs this is 3%)
+        }
 
         // If pointing had changed, do calibration
-        if (!irq && point)
+        if (!irq && point && !obs[sub].grb)
         {
             dim.log("Starting calibration.");
@@ -1603 +1652 @@
         var twilight = Sun.horizon(-16).isUp;
 
-        if (twilight)
+        if (twilight || obs[sub].grb)
         {
             for (var i=0; i<5 && !irq; i++)