Exercise mode

lib/determine-basal/autosens.js

@@ -148,6 +148,8 @@ function detectSensitivity(inputs) {
         avgDelta = avgDelta.toFixed(2);
         iob_inputs.clock=bgTime;
         iob_inputs.profile.current_basal = basal.basalLookup(basalprofile, bgTime);
+        // make sure autosens doesn't use temptarget-adjusted insulin calculations
+        iob_inputs.profile.temptargetSet = false;
         //console.log(JSON.stringify(iob_inputs.profile));
         //console.error("Before: ", new Date().getTime());
         var iob = get_iob(iob_inputs, true, treatments)[0];

lib/determine-basal/determine-basal.js

@@ -59,15 +59,6 @@ var determine_basal = function determine_basal(glucose_status, currenttemp, iob_
     }
     var profile_current_basal = round_basal(profile.current_basal, profile);
     var basal = profile_current_basal;
-    if (typeof autosens_data !== 'undefined' ) {
-        basal = profile.current_basal * autosens_data.ratio;
-        basal = round_basal(basal, profile);
-        if (basal != profile_current_basal) {
-            process.stderr.write("Autosens adjusting basal from "+profile_current_basal+" to "+basal+"; ");
-        } else {
-            process.stderr.write("Basal unchanged: "+basal+"; ");
-        }
-    }
 
     var bg = glucose_status.glucose;
     if (bg < 39) {  //Dexcom is in ??? mode or calibrating
@@ -102,10 +93,31 @@ var determine_basal = function determine_basal(glucose_status, currenttemp, iob_
         return rT;
     }
 
+    var sensitivityRatio;
+    if (profile.temptargetSet && target_bg > 110) {
+        // w/ target 100, temp target 110 = .89, 120 = 0.8, 140 = 0.67, 160 = .57, and 200 = .44
+        // e.g.: Sensitivity ratio set to 0.8 based on temp target of 120; Adjusting basal from 1.65 to 1.35; ISF from 58.9 to 73.6
+        sensitivityRatio = 2/(2+(target_bg-100)/40);
+        sensitivityRatio = round(sensitivityRatio,2);
+        process.stderr.write("Sensitivity ratio set to "+sensitivityRatio+" based on temp target of "+target_bg+"; ");
+    } else if (typeof autosens_data !== 'undefined' ) {
+        sensitivityRatio = autosens_data.ratio;
+        process.stderr.write("Autosens ratio: "+sensitivityRatio+"; ");
+    }
+    if (sensitivityRatio) {
+        basal = profile.current_basal * sensitivityRatio;
+        basal = round_basal(basal, profile);
+        if (basal != profile_current_basal) {
+            process.stderr.write("Adjusting basal from "+profile_current_basal+" to "+basal+"; ");
+        } else {
+            process.stderr.write("Basal unchanged: "+basal+"; ");
+        }
+    }
+
     // adjust min, max, and target BG for sensitivity, such that 50% increase in ISF raises target from 100 to 120
     if (typeof autosens_data !== 'undefined' && profile.autosens_adjust_targets) {
       if (profile.temptargetSet) {
-        process.stderr.write("Temp Target set, not adjusting with autosens; ");
+        //process.stderr.write("Temp Target set, not adjusting with autosens; ");
       } else {
         // with a target of 100, default 0.7-1.2 autosens min/max range would allow a 93-117 target range
         min_bg = round((min_bg - 60) / autosens_data.ratio) + 60;
@@ -152,14 +164,14 @@ var determine_basal = function determine_basal(glucose_status, currenttemp, iob_
     var profile_sens = round(profile.sens,1)
     var sens = profile.sens;
     if (typeof autosens_data !== 'undefined' ) {
-        sens = profile.sens / autosens_data.ratio;
+        sens = profile.sens / sensitivityRatio;
         sens = round(sens, 1);
         if (sens != profile_sens) {
-            process.stderr.write("sens from "+profile_sens+" to "+sens);
+            process.stderr.write("ISF from "+profile_sens+" to "+sens);
         } else {
-            process.stderr.write("sens unchanged: "+sens);
+            process.stderr.write("ISF unchanged: "+sens);
         }
-        process.stderr.write(" (autosens ratio "+autosens_data.ratio+")");
+        //process.stderr.write(" (autosens ratio "+sensitivityRatio+")");
     }
     console.error("");
 
@@ -682,7 +694,7 @@ var determine_basal = function determine_basal(glucose_status, currenttemp, iob_
     if (eventualBG < min_bg) { // if eventual BG is below target:
         rT.reason += "Eventual BG " + convert_bg(eventualBG, profile) + " < " + convert_bg(min_bg, profile);
         // if 5m or 30m avg BG is rising faster than expected delta
-        if (minDelta > expectedDelta && minDelta > 0) {
+        if ( minDelta > expectedDelta && minDelta > 0 && !carbsReq ) {
             // if naive_eventualBG < 40, set a 30m zero temp (oref0-pump-loop will let any longer SMB zero temp run)
             if (naive_eventualBG < 40) {
                 rT.reason += ", naive_eventualBG < 40. ";

lib/iob/history.js

@@ -217,11 +217,18 @@ function calcTempTreatments (inputs) {
         if (currentItem.duration > 0) {
 
             var currentRate = profile_data.current_basal;
-
             if (!_.isEmpty(profile_data.basalprofile)) {
                 currentRate = basalprofile.basalLookup(profile_data.basalprofile,new Date(currentItem.timestamp));
             }
 
+            if (typeof profile_data.min_bg !== 'undefined' && typeof profile_data.max_bg !== 'undefined') {
+                target_bg = (profile_data.min_bg + profile_data.max_bg) / 2;
+            }
+            if (profile_data.temptargetSet && target_bg > 110) {
+                sensitivityRatio = 2/(2+(target_bg-100)/40);
+                currentRate = profile_data.current_basal * sensitivityRatio;
+            }
+
             var netBasalRate = currentItem.rate - currentRate;
             if (netBasalRate < 0) { tempBolusSize = -0.05; }
             else { tempBolusSize = 0.05; }