caspervk/AndroidAPS
1
0
Fork 0
Code Releases Activity

Update determine-basal.js and basal-set-temp.js from Current oref0 dev.

Browse source
This commit is contained in:
Paul Andrel 2017-09-12 15:03:48 -04:00 committed by Paul Andrel
parent 1a8edc8372
commit 936184be60
1 changed files with 63 additions and 55 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

78
app/src/main/assets/OpenAPSSMB/determine-basal.js
View file

@ -51,7 +51,7 @@ function convert_bg(value, profile)
var determine_basal = function determine_basal(glucose_status, currenttemp, iob_data, profile, autosens_data, meal_data, tempBasalFunctions, microBolusAllowed, reservoir_data) {
var rT = {}; //short for requestedTemp
var deliverAt = new Date();
var deliverAt = new Date();
if (typeof profile === 'undefined' || typeof profile.current_basal === 'undefined') {
rT.error ='Error: could not get current basal rate';
@ -63,7 +63,7 @@ var determine_basal = function determine_basal(glucose_status, currenttemp, iob_
basal = profile.current_basal * autosens_data.ratio;
basal = round_basal(basal, profile);
if (basal != profile_current_basal) {
console.error("Autosens adjusting basal from "+profile.current_basal+" to "+basal+"; ");
console.error("Autosens adjusting basal from "+profile_current_basal+" to "+basal+"; ");
} else {
console.error("Basal unchanged: "+basal+"; ");
}
@ -105,14 +105,16 @@ var determine_basal = function determine_basal(glucose_status, currenttemp, iob_
// 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) {
console.error("Temp Target set, not adjusting with autosens");
console.error("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
// 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;
max_bg = round((max_bg - 60) / autosens_data.ratio) + 60;
new_target_bg = round((target_bg - 60) / autosens_data.ratio) + 60;
// don't allow target_bg below 80
new_target_bg = Math.max(80, new_target_bg);
if (target_bg == new_target_bg) {
console.error("target_bg unchanged:", new_target_bg);
console.error("target_bg unchanged: "+new_target_bg+"; ");
} else {
console.error("target_bg from "+target_bg+" to "+new_target_bg+"; ");
}
@ -144,7 +146,7 @@ var determine_basal = function determine_basal(glucose_status, currenttemp, iob_
tick = round(glucose_status.delta,0);
}
//var minDelta = Math.min(glucose_status.delta, glucose_status.short_avgdelta, glucose_status.long_avgdelta);
var minDelta = Math.min(glucose_status.delta, glucose_status.short_avgdelta);
var minDelta = Math.min(glucose_status.delta, glucose_status.short_avgdelta);
var minAvgDelta = Math.min(glucose_status.short_avgdelta, glucose_status.long_avgdelta);
var profile_sens = round(profile.sens,1)
@ -157,7 +159,7 @@ var determine_basal = function determine_basal(glucose_status, currenttemp, iob_
} else {
console.error("sens unchanged: "+sens);
}
console.error(" (autosens ratio "+autosens_data.ratio+")");
console.error(" (autosens ratio "+autosens_data.ratio+")");
}
console.error("");
@ -185,7 +187,7 @@ var determine_basal = function determine_basal(glucose_status, currenttemp, iob_
// adjust that for deviation like we did eventualBG
var snoozeBG = naive_snoozeBG + deviation;
// adjust target BG range if needed to safely bring down high BG faster without causing lows
// adjust target BG range if needed to safely bring down high BG faster without causing lows
if ( bg > max_bg && profile.adv_target_adjustments ) {
// with target=100, as BG rises from 100 to 160, adjustedTarget drops from 100 to 80
var adjustedMinBG = round(Math.max(80, min_bg - (bg - min_bg)/3 ),0);
@ -215,7 +217,7 @@ var determine_basal = function determine_basal(glucose_status, currenttemp, iob_
}
}
var expectedDelta = calculate_expected_delta(profile.dia, target_bg, eventualBG, bgi);
var expectedDelta = calculate_expected_delta(profile.dia, target_bg, eventualBG, bgi);
if (typeof eventualBG === 'undefined' || isNaN(eventualBG)) {
rT.error ='Error: could not calculate eventualBG. ';
return rT;
@ -261,15 +263,19 @@ var determine_basal = function determine_basal(glucose_status, currenttemp, iob_
// disable SMB when a high temptarget is set
if (profile.temptargetSet && target_bg > 100) {
enableSMB=false;
// enable SMB (if enabled in preferences) for DIA hours after bolus
// enable SMB/UAM (if enabled in preferences) for DIA hours after bolus
} else if (profile.enableSMB_with_bolus && bolusiob > 0.1) {
enableSMB=true;
// enable SMB (if enabled in preferences) while we have COB
// enable SMB/UAM (if enabled in preferences) while we have COB
} else if (profile.enableSMB_with_COB && meal_data.mealCOB) {
enableSMB=true;
// enable SMB (if enabled in preferences) if a low temptarget is set
// enable SMB/UAM (if enabled in preferences) if a low temptarget is set
} else if (profile.enableSMB_with_temptarget && (profile.temptargetSet && target_bg < 100)) {
enableSMB=true;
// enable SMB/UAM (if enabled in preferences) for a full 6 hours after any carb entry
// (6 hours is defined in carbWindow in lib/meal/total.js)
} else if (profile.enableSMB_after_carbs && meal_data.carbs) {
enableSMB=true;
}
// enable UAM (if enabled in preferences) for DIA hours after bolus, or if SMB is enabled
var enableUAM=(profile.enableUAM && (bolusiob > 0.1 || enableSMB));
@ -315,7 +321,7 @@ var determine_basal = function determine_basal(glucose_status, currenttemp, iob_
aci = 10;
//5m data points = g * (1U/10g) * (40mg/dL/1U) / (mg/dL/5m)
// duration (in 5m data points) = COB (g) * CSF (mg/dL/g) / ci (mg/dL/5m)
// duration (in 5m data points) = COB (g) * CSF (mg/dL/g) / ci (mg/dL/5m)
cid = Math.max(0, meal_data.mealCOB * csf / ci );
acid = Math.max(0, meal_data.mealCOB * csf / aci );
// duration (hours) = duration (5m) * 5 / 60 * 2 (to account for linear decay)
@ -349,7 +355,7 @@ var determine_basal = function determine_basal(glucose_status, currenttemp, iob_
// eventually accounting for all carbs (if they can be absorbed over DIA)
predCI = Math.max(0, Math.max(0,ci) * ( 1 - COBpredBGs.length/Math.max(cid*2,1) ) );
predACI = Math.max(0, Math.max(0,aci) * ( 1 - COBpredBGs.length/Math.max(acid*2,1) ) );
// if any carbs aren't absorbed after 4 hours, assume they'll absorb at a constant rate for next 4h
// if any carbs aren't absorbed after 4 hours, assume they'll absorb at a constant rate for next 4h
COBpredBG = COBpredBGs[COBpredBGs.length-1] + predBGI + Math.min(0,predDev) + predCI + remainingCI;
// stop adding remainingCI after 4h
if (COBpredBGs.length > 4 * 60 / 5) { remainingCI = 0; }
@ -466,7 +472,7 @@ var determine_basal = function determine_basal(glucose_status, currenttemp, iob_
// average the minIOBPredBG and minUAMPredBG if available
if ( minUAMPredBG < 400 ) {
avgMinPredBG = round( (minIOBPredBG+minUAMPredBG)/2 );
} else {
} else {
avgMinPredBG = minIOBPredBG;
}
@ -487,7 +493,7 @@ var determine_basal = function determine_basal(glucose_status, currenttemp, iob_
// in pure UAM mode, use the higher of minIOBPredBG,minUAMPredBG
} else if ( enableUAM ) {
minPredBG = round(Math.max(minIOBPredBG,minUAMPredBG));
}
}
// make sure minPredBG isn't higher than avgPredBG
minPredBG = Math.min( minPredBG, avgPredBG );
@ -523,7 +529,7 @@ var determine_basal = function determine_basal(glucose_status, currenttemp, iob_
}
rT.reason += "; ";
var bgUndershoot = target_bg - Math.max( naive_eventualBG, eventualBG, lastIOBpredBG );
// calculate how long until COB (or IOB) predBGs drop below min_bg
// calculate how long until COB (or IOB) predBGs drop below min_bg
var minutesAboveMinBG = 240;
if (meal_data.mealCOB > 0 && ( ci > 0 || remainingCI > 0 )) {
for (var i=0; i<COBpredBGs.length; i++) {
@ -549,7 +555,7 @@ var determine_basal = function determine_basal(glucose_status, currenttemp, iob_
var zeroTempDuration = Math.max(30,minutesAboveMinBG);
// BG undershoot, minus effect of zero temps until hitting min_bg, converted to grams, minus COB
var zeroTempEffect = profile.current_basal*sens*zeroTempDuration/60;
var carbsReq = (bgUndershoot - zeroTempEffect) / csf - meal_data.mealCOB;
var carbsReq = (bgUndershoot - zeroTempEffect) / csf - meal_data.mealCOB;
zeroTempEffect = round(zeroTempEffect);
carbsReq = round(carbsReq);
console.error("bgUndershoot:",bgUndershoot,"zeroTempDuration:",zeroTempDuration,"zeroTempEffect:",zeroTempEffect,"carbsReq:",carbsReq);
@ -567,7 +573,9 @@ var determine_basal = function determine_basal(glucose_status, currenttemp, iob_
rT.reason += "BG " + convert_bg(bg, profile) + "<" + convert_bg(threshold, profile);
if ((glucose_status.delta <= 0 && minDelta <= 0) || (glucose_status.delta < expectedDelta && minDelta < expectedDelta) || bg < 60 ) {
// BG is still falling / rising slower than predicted
rT.reason += ", minDelta " + minDelta + " < " + "expectedDelta " + expectedDelta + "; ";
if ( minDelta < expectedDelta ) {
rT.reason += ", minDelta " + minDelta + " < " + "expectedDelta " + expectedDelta + "; ";
}
return tempBasalFunctions.setTempBasal(0, 30, profile, rT, currenttemp);
}
if (glucose_status.delta > minDelta) {
@ -593,7 +601,7 @@ var determine_basal = function determine_basal(glucose_status, currenttemp, iob_
rT.reason += ", naive_eventualBG < 40. ";
return tempBasalFunctions.setTempBasal(0, 30, profile, rT, currenttemp);
}
if (glucose_status.delta > minDelta) {
if (glucose_status.delta > minDelta) {
rT.reason += ", but Delta " + tick + " > expectedDelta " + expectedDelta;
} else {
rT.reason += ", but Min. Delta " + minDelta.toFixed(2) + " > Exp. Delta " + expectedDelta;
@ -612,16 +620,16 @@ var determine_basal = function determine_basal(glucose_status, currenttemp, iob_
if (snoozeBG > min_bg) { // if adding back in the bolus contribution BG would be above min
// If we're not in SMB mode with COB, or lastCOBpredBG > target_bg, bolus snooze
if (! (microBolusAllowed && rT.COB) || lastCOBpredBG > target_bg) {
rT.reason += ", bolus snooze: eventual BG range " + convert_bg(eventualBG, profile) + "-" + convert_bg(snoozeBG, profile);
//console.error(currenttemp, basal );
if (currenttemp.duration > 15 && (round_basal(basal, profile) === round_basal(currenttemp.rate, profile))) {
rT.reason += ", temp " + currenttemp.rate + " ~ req " + basal + "U/hr. ";
return rT;
} else {
rT.reason += "; setting current basal of " + basal + " as temp. ";
return tempBasalFunctions.setTempBasal(basal, 30, profile, rT, currenttemp);
rT.reason += ", bolus snooze: eventual BG range " + convert_bg(eventualBG, profile) + "-" + convert_bg(snoozeBG, profile);
//console.error(currenttemp, basal );
if (currenttemp.duration > 15 && (round_basal(basal, profile) === round_basal(currenttemp.rate, profile))) {
rT.reason += ", temp " + currenttemp.rate + " ~ req " + basal + "U/hr. ";
return rT;
} else {
rT.reason += "; setting current basal of " + basal + " as temp. ";
return tempBasalFunctions.setTempBasal(basal, 30, profile, rT, currenttemp);
}
}
}
} else {
// calculate 30m low-temp required to get projected BG up to target
// use snoozeBG to more gradually ramp in any counteraction of the user's boluses
@ -748,10 +756,10 @@ var determine_basal = function determine_basal(glucose_status, currenttemp, iob_
var basaliob;
if (iob_data.basaliob) { basaliob = iob_data.basaliob; }
else { basaliob = iob_data.iob - iob_data.bolussnooze; }
// if we're not here because of SMB, eventual BG is at/above target
// if we're not here because of SMB, eventual BG is at/above target
if (! (microBolusAllowed && rT.COB)) {
rT.reason += "Eventual BG " + convert_bg(eventualBG, profile) + " >= " + convert_bg(max_bg, profile) + ", ";
}
rT.reason += "Eventual BG " + convert_bg(eventualBG, profile) + " >= " + convert_bg(max_bg, profile) + ", ";
}
if (basaliob > max_iob) {
rT.reason += "basaliob " + round(basaliob,2) + " > max_iob " + max_iob;
if (currenttemp.duration > 15 && (round_basal(basal, profile) === round_basal(currenttemp.rate, profile))) {
@ -787,12 +795,12 @@ var determine_basal = function determine_basal(glucose_status, currenttemp, iob_
rT.minPredBG = minPredBG;
//console.error(iob_data.lastBolusTime);
// minutes since last bolus
var lastBolusAge = round(( new Date().getTime() - meal_data.lastBolusTime ) / 60000,1);
var lastBolusAge = round(( new Date().getTime() - iob_data.lastBolusTime ) / 60000,1);
//console.error(lastBolusAge);
//console.error(profile.temptargetSet, target_bg, rT.COB);
// only allow microboluses with COB or low temp targets, or within DIA hours of a bolus
// only microbolus if 0.1U SMB represents 20m or less of basal (0.3U/hr or higher)
if (microBolusAllowed && enableSMB && profile.current_basal >= 0.3) {
if (microBolusAllowed && enableSMB && profile.current_basal >= 0.3 && bg > threshold) {
// never bolus more than 30m worth of basal
maxBolus = round(profile.current_basal/2,1);
// bolus 1/3 the insulinReq, up to maxBolus
@ -834,7 +842,7 @@ var determine_basal = function determine_basal(glucose_status, currenttemp, iob_
rT.reason += "Microbolusing " + microBolus + "U. ";
}
} else {
rT.reason += "Waiting " + nextBolusMins + "m to microbolus again(" + microBolus + "). ";
rT.reason += "Waiting " + nextBolusMins + "m to microbolus again. ";
}
//rT.reason += ". ";