From e1629a6d9ad2177c8751c56fbe9fcacfb0c2acf0 Mon Sep 17 00:00:00 2001
From: Scott <scottleibrand@gmail.com>
Date: Thu, 9 Mar 2017 15:34:53 -0800
Subject: [PATCH 1/2] add unannounced meal detection to autotune

---
 lib/autotune-prep/categorize.js | 31 ++++++++++++++++++++++++++-----
 1 file changed, 26 insertions(+), 5 deletions(-)

diff --git a/lib/autotune-prep/categorize.js b/lib/autotune-prep/categorize.js
index af2f0205..35228d88 100644
--- a/lib/autotune-prep/categorize.js
+++ b/lib/autotune-prep/categorize.js
@@ -104,6 +104,7 @@ function categorizeBGDatums(opts) {
     }
     //console.error(treatments);
     absorbing = 0;
+    uam = 0; // unannounced meal
     mealCOB = 0;
     mealCarbs = 0;
     var type="";
@@ -215,11 +216,28 @@ function categorizeBGDatums(opts) {
             //if (i == 0) { glucoseDatum.mealAbsorption = "end"; }
             CSFGlucoseData.push(glucoseDatum);
         } else {
-            // check previous "type" value, and if it was csf, set a mealAbsorption end flag
-            if ( type === "csf" ) {
-                CSFGlucoseData[CSFGlucoseData.length-1].mealAbsorption = "end";
-                console.error(CSFGlucoseData[CSFGlucoseData.length-1].mealAbsorption,"carb absorption");
+          // check previous "type" value, and if it was csf, set a mealAbsorption end flag
+          if ( type === "csf" ) {
+            CSFGlucoseData[CSFGlucoseData.length-1].mealAbsorption = "end";
+            console.error(CSFGlucoseData[CSFGlucoseData.length-1].mealAbsorption,"carb absorption");
+          }
+
+          if (iob.iob > currentBasal || uam) {
+            if (deviation > 0) {
+                uam = 1;
+            } else {
+                uam = 0;
             }
+            if ( type != "uam" ) {
+                glucoseDatum.uamAbsorption = "start";
+                console.error(glucoseDatum.uamAbsorption,"uannnounced meal absorption");
+            }
+            type="uam";
+          } else {
+            if ( type === "uam" ) {
+                console.error("end unannounced meal absorption");
+            }
+
 
             // Go through the remaining time periods and divide them into periods where scheduled basal insulin activity dominates. This would be determined by calculating the BG impact of scheduled basal insulin (for example 1U/hr * 48 mg/dL/U ISF = 48 mg/dL/hr = 5 mg/dL/5m), and comparing that to BGI from bolus and net basal insulin activity.
             // When BGI is positive (insulin activity is negative), we want to use that data to tune basals
@@ -248,9 +266,12 @@ function categorizeBGDatums(opts) {
                     ISFGlucoseData.push(glucoseDatum);
                 }
             }
+          }
         }
         // debug line to print out all the things
-        console.error(absorbing.toString(),"mealCOB:",mealCOB.toFixed(1),"mealCarbs:",mealCarbs,"basalBGI:",basalBGI.toFixed(1),"BGI:",BGI.toFixed(1),"at",BGDate,"dev:",deviation,"avgDelta:",avgDelta,type);
+        BGDateArray = BGDate.toString().split(" ");
+        BGTime = BGDateArray[4];
+        console.error(absorbing.toString(),"mealCOB:",mealCOB.toFixed(1),"mealCarbs:",mealCarbs,"basalBGI:",basalBGI.toFixed(1),"BGI:",BGI.toFixed(1),"IOB:",iob.iob.toFixed(1),"at",BGTime,"dev:",deviation,"avgDelta:",avgDelta,type);
     }
 
     return {

From f94de0a8b0e6b8a11fa0afcdb69eb5de733fbd8b Mon Sep 17 00:00:00 2001
From: Scott <scottleibrand@gmail.com>
Date: Thu, 9 Mar 2017 16:19:40 -0800
Subject: [PATCH 2/2] use min_5m_carbimpact for 15g lunch after 15g breakfast

Conflicts:
	lib/determine-basal/determine-basal.js
---
 lib/determine-basal/determine-basal.js | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/lib/determine-basal/determine-basal.js b/lib/determine-basal/determine-basal.js
index 4493e4de..ffd3de44 100644
--- a/lib/determine-basal/determine-basal.js
+++ b/lib/determine-basal/determine-basal.js
@@ -217,8 +217,8 @@ var determine_basal = function determine_basal(glucose_status, currenttemp, iob_
     // calculate current carb absorption rate, and how long to absorb all carbs
     // CI = current carb impact on BG in mg/dL/5m
     ci = round((minDelta - bgi),1);
-    if (meal_data.mealCOB * 2 > meal_data.carbs) {
-        // set ci to a minimum of 3mg/dL/5m (default) if less than half of carbs have absorbed
+    if (meal_data.mealCOB * 3 > meal_data.carbs) {
+        // set ci to a minimum of 3mg/dL/5m (default) if at least 1/3 of carbs from the last 1.5*DIA hours are still unabsorbed
         ci = Math.max(profile.min_5m_carbimpact, ci);
     }
     aci = 10;