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increased confidence interval

pull/3374/head
Elfreda Kwawu 2024-04-18 14:28:40 -04:00
parent 56ac7aa297
commit 2b8471cc36
1 changed files with 14 additions and 23 deletions
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37
apps/phystrax/app.js
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@ -33,30 +33,21 @@ function stopMeasure() {
}
function handleHeartRate(hrm) {
if (isMeasuring && hrm.confidence > 85) {
let currentTime = Date.now();
let elaspedTime = currentTime - lastLogTime;
let nextLog = 3000 - (elaspedTime % 3000); // Calculate time to next log (3 seconds)
if (elaspedTime >= 3000) { // Check if it's time for the next log
lastLogTime = currentTime - (elaspedTime % 3000); // Set last log time to the previous 3-second boundary
let date = new Date(lastLogTime);
let dateStr = require("locale").date(date);
let timeStr = require("locale").time(date, 1);
let seconds = date.getSeconds();
let timestamp = `${dateStr} ${timeStr}:${seconds}`; // Concatenate date, time, and seconds
currentHR = hrm.bpm;
if (isMeasuring && hrm.confidence > 90) {
let date = new Date();
let dateStr = require("locale").date(date);
let timeStr = require("locale").time(date, 1);
let seconds = date.getSeconds();
let timestamp = `${dateStr} ${timeStr}:${seconds}`; // Concatenate date, time, and seconds
currentHR = hrm.bpm;
logData.push({ timestamp: timestamp, heartRate: currentHR });
bpmValues.push(currentHR); // Store heart rate for HRV calculation
if (bpmValues.length > 30) bpmValues.shift(); // Keep last 30 heart rate values
// Calculate and add SDNN (standard deviation of NN intervals) to the last log entry
logData[logData.length - 1].hrv = calcSDNN();
drawScreen();
}
// Schedule next measurement
setTimeout(() => {
handleHeartRate(hrm);
}, nextLog);
logData.push({ timestamp: timestamp, heartRate: currentHR });
bpmValues.push(currentHR); // Store heart rate for HRV calculation
if (bpmValues.length > 30) bpmValues.shift(); // Keep last 30 heart rate values
// Calculate and add SDNN (standard deviation of NN intervals) to the last log entry
logData[logData.length - 1].hrv = calcSDNN();
drawScreen();
}
}