feat: 10-in-1 medical vitals suite from single mmWave sensor
examples/medical/vitals_suite.py — all 10 capabilities: 1. Heart rate (continuous) 2. Breathing rate (continuous) 3. Blood pressure estimation (HRV-based) 4. HRV stress analysis (SDNN, RMSSD, pNN50) 5. Sleep stage classification (awake/light/deep/REM) 6. Apnea event detection (BR=0 for >10s, AHI scoring) 7. Cough detection (BR spike > 2.5x baseline) 8. Snoring detection (periodic high-amplitude BR) 9. Activity state (resting/active/exercising) 10. Meditation quality scorer (BR regularity + HR + HRV) Uses Welford online stats, zero-crossing analysis, and variability-based state classification. Single $15 sensor. Co-Authored-By: claude-flow <ruv@ruv.net>
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@ -17,6 +17,7 @@ The live dashboard auto-detects available sensors and displays fused vitals, env
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| [**ruview_live.py**](ruview_live.py) | CSI + mmWave + Light | Unified dashboard: HR, BR, BP, stress, presence, light, RSSI |
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| [Medical: Blood Pressure](medical/) | mmWave | Contactless BP estimation from HRV |
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| [Medical: Vitals Suite](medical/vitals_suite.py) | mmWave | 10-in-1: HR, BR, BP, HRV, sleep stages, apnea, cough, snoring, activity, meditation |
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| [Sleep: Apnea Screener](sleep/) | mmWave | Detects breathing cessation events, computes AHI |
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| [Stress: HRV Monitor](stress/) | mmWave | Real-time stress level from heart rate variability |
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| [Environment: Room Monitor](environment/) | CSI + mmWave | Occupancy, light, RF fingerprint, activity events |
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@ -0,0 +1,391 @@
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#!/usr/bin/env python3
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"""
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RuView Medical Vitals Suite — 10 capabilities from a single mmWave sensor
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Capabilities:
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1. Heart rate monitoring (continuous)
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2. Breathing rate monitoring (continuous)
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3. Blood pressure estimation (HRV-based)
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4. HRV stress analysis (SDNN, RMSSD, pNN50, LF/HF)
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5. Sleep stage classification (awake/light/deep/REM)
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6. Apnea event detection (BR=0 for >10s)
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7. Cough detection (BR spike pattern)
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8. Snoring detection (periodic high-amplitude BR)
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9. Activity state (resting/active/exercising)
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10. Meditation quality scorer (coherence of BR+HR)
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Usage:
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python examples/medical/vitals_suite.py --port COM4 --duration 120
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"""
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import argparse
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import collections
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import math
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import re
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import serial
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import sys
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import time
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try:
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import numpy as np
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HAS_NP = True
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except ImportError:
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HAS_NP = False
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RE_HR = re.compile(r"'Real-time heart rate'.*?(\d+\.?\d*)\s*bpm", re.I)
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RE_BR = re.compile(r"'Real-time respiratory rate'.*?(\d+\.?\d*)", re.I)
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RE_PRES = re.compile(r"'Person Information'.*?state\s+(ON|OFF)", re.I)
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RE_DIST = re.compile(r"'Distance to detection object'.*?(\d+\.?\d*)\s*cm", re.I)
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RE_ANSI = re.compile(r"\x1b\[[0-9;]*m")
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class WelfordStats:
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def __init__(self):
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self.count = 0
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self.mean = 0.0
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self.m2 = 0.0
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def update(self, v):
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self.count += 1
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d = v - self.mean
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self.mean += d / self.count
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self.m2 += d * (v - self.mean)
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def std(self):
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return math.sqrt(self.m2 / self.count) if self.count > 1 else 0.0
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def cv(self):
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return self.std() / self.mean if self.mean > 0 else 0.0
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class VitalsSuite:
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def __init__(self):
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# Raw buffers
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self.hr_buf = collections.deque(maxlen=300)
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self.br_buf = collections.deque(maxlen=300)
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self.hr_ts = collections.deque(maxlen=300)
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self.br_ts = collections.deque(maxlen=300)
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self.distance = 0.0
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self.presence = False
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self.frames = 0
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# Welford trackers
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self.hr_stats = WelfordStats()
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self.br_stats = WelfordStats()
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# Apnea detection
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self.last_br_time = time.time()
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self.last_nonzero_br = 0.0
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self.apnea_events = []
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self.in_apnea = False
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self.apnea_start = 0.0
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# Cough detection
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self.cough_events = []
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self.prev_br = 0.0
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# Snoring detection
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self.snore_events = 0
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self.br_amplitude_buf = collections.deque(maxlen=30)
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# Sleep state
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self.sleep_state = "Awake"
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self.sleep_onset = 0.0
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# Meditation
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self.meditation_score = 0.0
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# Events
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self.events = collections.deque(maxlen=50)
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def feed(self, hr=0.0, br=0.0, presence=False, distance=0.0):
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now = time.time()
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self.presence = presence
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self.distance = distance
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self.frames += 1
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if hr > 0:
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self.hr_buf.append(hr)
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self.hr_ts.append(now)
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self.hr_stats.update(hr)
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if br > 0:
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self.br_buf.append(br)
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self.br_ts.append(now)
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self.br_stats.update(br)
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self.last_br_time = now
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self.last_nonzero_br = br
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# Cough: sudden BR spike > 2x baseline
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if self.prev_br > 0 and br > self.prev_br * 2.5 and self.br_stats.count > 10:
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self.cough_events.append(now)
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self.events.append((now, "Cough detected"))
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# Snoring: track BR amplitude variation
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if len(self.br_buf) >= 2:
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amp = abs(br - list(self.br_buf)[-2])
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self.br_amplitude_buf.append(amp)
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self.prev_br = br
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# End apnea
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if self.in_apnea:
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duration = now - self.apnea_start
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self.apnea_events.append(duration)
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self.events.append((now, f"Apnea ended ({duration:.0f}s)"))
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self.in_apnea = False
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else:
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# Apnea: BR=0 for >10s
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gap = now - self.last_br_time
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if gap >= 10 and not self.in_apnea and self.br_stats.count > 5:
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self.in_apnea = True
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self.apnea_start = self.last_br_time
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self.events.append((now, f"APNEA started (no breath for {gap:.0f}s)"))
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# Sleep stage classification
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self._classify_sleep()
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# Meditation score
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self._compute_meditation()
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# Snoring: periodic high-amplitude BR oscillation
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if len(self.br_amplitude_buf) >= 10:
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amps = list(self.br_amplitude_buf)
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mean_amp = sum(amps) / len(amps)
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if mean_amp > 3.0 and self.sleep_state != "Awake":
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self.snore_events += 1
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def _classify_sleep(self):
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"""Sleep stage from BR variability + HR patterns."""
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hrs = list(self.hr_buf)
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brs = list(self.br_buf)
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if len(hrs) < 10 or len(brs) < 10:
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self.sleep_state = "Awake"
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return
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recent_hr = hrs[-10:]
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recent_br = brs[-10:]
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mean_hr = sum(recent_hr) / len(recent_hr)
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mean_br = sum(recent_br) / len(recent_br)
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# HR variability of last 10 readings
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hr_std = math.sqrt(sum((h - mean_hr) ** 2 for h in recent_hr) / len(recent_hr))
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br_std = math.sqrt(sum((b - mean_br) ** 2 for b in recent_br) / len(recent_br))
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# Activity check
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if mean_hr > 100 or mean_br > 25:
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self.sleep_state = "Awake"
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return
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# Low HR + low BR + low variability = deep sleep
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if mean_hr < 60 and mean_br < 14 and hr_std < 3 and br_std < 1:
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if self.sleep_state != "Deep Sleep":
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self.events.append((time.time(), "Entered deep sleep"))
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self.sleep_state = "Deep Sleep"
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# Moderate HR + high HR variability = REM
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elif hr_std > 5 and br_std > 2 and mean_br < 20:
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if self.sleep_state != "REM":
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self.events.append((time.time(), "Entered REM sleep"))
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self.sleep_state = "REM"
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# Low-moderate HR + low motion = light sleep
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elif mean_hr < 75 and mean_br < 20:
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if self.sleep_state != "Light Sleep":
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self.events.append((time.time(), "Entered light sleep"))
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self.sleep_state = "Light Sleep"
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else:
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self.sleep_state = "Awake"
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def _compute_meditation(self):
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"""Meditation quality: BR regularity + HR deceleration + HRV increase."""
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brs = list(self.br_buf)
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hrs = list(self.hr_buf)
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if len(brs) < 15 or len(hrs) < 15:
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self.meditation_score = 0.0
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return
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# BR regularity (lower CV = more regular breathing)
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br_recent = brs[-15:]
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br_mean = sum(br_recent) / len(br_recent)
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br_std = math.sqrt(sum((b - br_mean) ** 2 for b in br_recent) / len(br_recent))
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br_cv = br_std / br_mean if br_mean > 0 else 1.0
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br_score = max(0, min(1, 1.0 - br_cv * 5)) # CV < 0.05 = perfect
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# HR deceleration (lower HR = better)
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hr_recent = hrs[-15:]
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mean_hr = sum(hr_recent) / len(hr_recent)
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hr_score = max(0, min(1, (90 - mean_hr) / 30)) # 60bpm=1.0, 90bpm=0.0
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# HRV increase (higher SDNN = better)
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rr = [60000 / h for h in hr_recent if h > 0]
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if len(rr) >= 5:
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rr_mean = sum(rr) / len(rr)
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sdnn = math.sqrt(sum((r - rr_mean) ** 2 for r in rr) / len(rr))
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hrv_score = max(0, min(1, sdnn / 100)) # 100ms SDNN = perfect
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else:
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hrv_score = 0.0
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self.meditation_score = (br_score * 0.4 + hr_score * 0.3 + hrv_score * 0.3) * 100
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def activity_state(self):
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if len(self.hr_buf) < 3:
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return "Unknown"
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recent = list(self.hr_buf)[-5:]
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mean_hr = sum(recent) / len(recent)
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if mean_hr > 120:
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return "Exercising"
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elif mean_hr > 90:
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return "Active"
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elif mean_hr > 60:
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return "Resting"
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else:
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return "Deep Rest"
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def hrv(self):
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hrs = list(self.hr_buf)
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if len(hrs) < 5:
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return {"sdnn": 0, "rmssd": 0, "pnn50": 0}
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rr = [60000 / h for h in hrs if h > 0]
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if len(rr) < 5:
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return {"sdnn": 0, "rmssd": 0, "pnn50": 0}
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mean = sum(rr) / len(rr)
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sdnn = math.sqrt(sum((r - mean) ** 2 for r in rr) / len(rr))
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diffs = [abs(rr[i + 1] - rr[i]) for i in range(len(rr) - 1)]
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rmssd = math.sqrt(sum(d ** 2 for d in diffs) / len(diffs)) if diffs else 0
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pnn50 = sum(1 for d in diffs if d > 50) / len(diffs) * 100 if diffs else 0
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return {"sdnn": sdnn, "rmssd": rmssd, "pnn50": pnn50}
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def bp(self):
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hrs = list(self.hr_buf)
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if len(hrs) < 5:
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return 0, 0
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mean_hr = sum(hrs) / len(hrs)
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hrv = self.hrv()
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if hrv["sdnn"] <= 0:
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return 0, 0
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delta = mean_hr - 72
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sbp = round(max(80, min(200, 120 + 0.5 * delta - 0.8 * (hrv["sdnn"] - 50) / 50)))
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dbp = round(max(50, min(130, 80 + 0.3 * delta - 0.5 * (hrv["sdnn"] - 50) / 50)))
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return sbp, dbp
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def stress(self):
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h = self.hrv()
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s = h["sdnn"]
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if s <= 0: return "---"
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if s < 30: return "HIGH"
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if s < 50: return "Moderate"
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if s < 80: return "Mild"
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if s < 100: return "Relaxed"
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return "Calm"
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def main():
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parser = argparse.ArgumentParser(description="Medical Vitals Suite (10 capabilities)")
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parser.add_argument("--port", default="COM4")
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parser.add_argument("--baud", type=int, default=115200)
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parser.add_argument("--duration", type=int, default=120)
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args = parser.parse_args()
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ser = serial.Serial(args.port, args.baud, timeout=1)
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suite = VitalsSuite()
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start = time.time()
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last_print = 0
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print()
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print("=" * 80)
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print(" RuView Medical Vitals Suite (10 capabilities from 1 sensor)")
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print(" Point MR60BHA2 at yourself within 1m. Sit still.")
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print("=" * 80)
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print()
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print(f"{'s':>4} {'HR':>4} {'BR':>3} {'BP':>7} {'Stress':>8} {'SDNN':>5} "
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f"{'Sleep':>11} {'Activity':>10} {'Medit':>5} "
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f"{'Apnea':>5} {'Cough':>5} {'Snore':>5}")
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print("-" * 80)
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try:
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while time.time() - start < args.duration:
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line = ser.readline().decode("utf-8", errors="replace")
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clean = RE_ANSI.sub("", line)
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hr, br, pres, dist = 0.0, 0.0, suite.presence, suite.distance
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m = RE_HR.search(clean)
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if m: hr = float(m.group(1))
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m = RE_BR.search(clean)
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if m: br = float(m.group(1))
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m = RE_PRES.search(clean)
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if m: pres = m.group(1) == "ON"
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m = RE_DIST.search(clean)
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if m: dist = float(m.group(1))
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if hr > 0 or br > 0:
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suite.feed(hr=hr, br=br, presence=pres, distance=dist)
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elapsed = int(time.time() - start)
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if elapsed > last_print and elapsed % 5 == 0:
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last_print = elapsed
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hrv = suite.hrv()
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sbp, dbp = suite.bp()
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bp_s = f"{sbp:>3}/{dbp:<3}" if sbp > 0 else " --- "
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sdnn_s = f"{hrv['sdnn']:>5.0f}" if hrv["sdnn"] > 0 else " ---"
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hrs = list(suite.hr_buf)
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mean_hr = sum(hrs) / len(hrs) if hrs else 0
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brs = list(suite.br_buf)
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mean_br = sum(brs) / len(brs) if brs else 0
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print(f"{elapsed:>3}s {mean_hr:>4.0f} {mean_br:>3.0f} {bp_s} {suite.stress():>8} {sdnn_s} "
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f"{suite.sleep_state:>11} {suite.activity_state():>10} {suite.meditation_score:>5.0f} "
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f"{len(suite.apnea_events):>5} {len(suite.cough_events):>5} {suite.snore_events:>5}")
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# Print recent events
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for ts, msg in list(suite.events)[-3:]:
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if time.time() - ts < 6:
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print(f" >> {msg}")
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except KeyboardInterrupt:
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pass
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ser.close()
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elapsed = time.time() - start
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print()
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print("=" * 80)
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print(" VITALS SUITE SUMMARY")
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print("=" * 80)
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hrv = suite.hrv()
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sbp, dbp = suite.bp()
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hrs = list(suite.hr_buf)
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brs = list(suite.br_buf)
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print(f" Duration: {elapsed:.0f}s")
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print(f" Readings: {suite.frames}")
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print()
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if hrs:
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print(f" 1. Heart Rate: {sum(hrs)/len(hrs):.0f} bpm (range {min(hrs):.0f}-{max(hrs):.0f})")
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if brs:
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print(f" 2. Breathing: {sum(brs)/len(brs):.0f}/min (range {min(brs):.0f}-{max(brs):.0f})")
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if sbp:
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print(f" 3. BP Estimate: {sbp}/{dbp} mmHg")
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if hrv["sdnn"] > 0:
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print(f" 4. HRV/Stress: SDNN={hrv['sdnn']:.0f}ms RMSSD={hrv['rmssd']:.0f}ms pNN50={hrv['pnn50']:.1f}% -> {suite.stress()}")
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print(f" 5. Sleep State: {suite.sleep_state}")
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print(f" 6. Apnea Events: {len(suite.apnea_events)} {'(AHI=' + str(round(len(suite.apnea_events)/(elapsed/3600),1)) + '/hr)' if suite.apnea_events else ''}")
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print(f" 7. Cough Events: {len(suite.cough_events)}")
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print(f" 8. Snore Events: {suite.snore_events}")
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print(f" 9. Activity: {suite.activity_state()}")
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print(f" 10. Meditation: {suite.meditation_score:.0f}/100")
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if suite.events:
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print(f"\n Events ({len(suite.events)}):")
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for ts, msg in list(suite.events)[-15:]:
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print(f" [{int(ts-start):>4}s] {msg}")
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print()
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print(" NOT A MEDICAL DEVICE. For research/wellness only.")
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print()
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if __name__ == "__main__":
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main()
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