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Bluetooth monitor and more

This commit is contained in:
Martin Bauer 2024-03-01 15:01:08 +01:00
parent 7501ef18a4
commit fb6f10891d
21 changed files with 462 additions and 246 deletions
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1
.gitignore vendored
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@ -5,3 +5,4 @@ ve_*
/music /music
__pycache__ __pycache__
/roles/pi-squeezeserver/backup /roles/pi-squeezeserver/backup
venv

38
full.yml
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@ -9,6 +9,7 @@
# - pi-lirc # - pi-lirc
# - pi-sispmctl # - pi-sispmctl
# #
- hosts: musikserverwohnzimmeroben - hosts: musikserverwohnzimmeroben
roles: roles:
- pi-standard-setup - pi-standard-setup
@ -16,26 +17,29 @@
- pi-squeezelite-custom - pi-squeezelite-custom
- pi-shairport - pi-shairport
- pi-irserver - pi-irserver
- pi-dhtsensor #- pi-dhtsensor
- pi-squeezeserver - pi-squeezeserver
- hosts: kitchenpi
roles:
- pi-standard-setup
- pi-hifiberry-amp
- pi-squeezelite-custom
- pi-shairport
- pi-lirc
- pi-dhtsensor
- pi-disable-onboard-bluetooth
- bluetooth-monitor
#- hosts: kitchenpi - hosts: bedroompi
# roles: roles:
# - pi-standard-setup - pi-standard-setup
# - pi-hifiberry-amp - pi-squeezelite-custom
# - pi-squeezelite-custom - pi-shairport
# - pi-shairport - pi-lirc
# - pi-lirc - pi-dhtsensor
# - pi-dhtsensor - pi-disable-onboard-bluetooth
- bluetooth-monitor
#- hosts: bedroompi
# roles:
# - pi-standard-setup
# - pi-squeezelite-custom
# - pi-shairport
# - pi-lirc
# - pi-dhtsensor
#- hosts: octopi #- hosts: octopi
# roles: # roles:

7
inventory.yml
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@ -40,6 +40,7 @@ all:
sensor_room_name_ascii: wohnzimmeroben sensor_room_name_ascii: wohnzimmeroben
sensor_room_name: WohnzimmerOben sensor_room_name: WohnzimmerOben
hifiberry_overlay: hifiberry-dacplus hifiberry_overlay: hifiberry-dacplus
my_btmonitor_pl0: 68 # default is 73 - increase to make more sensitve (i.e. lower distances)
musicmouse: musicmouse:
squeezelite_name: MusicMouse squeezelite_name: MusicMouse
shairport_name: MusicMouse shairport_name: MusicMouse
@ -52,6 +53,10 @@ all:
sensor_room_name_ascii: testraum sensor_room_name_ascii: testraum
sensor_room_name: Test Raum sensor_room_name: Test Raum
heatingpi: heatingpi:
server:
sensor_room_name: Arbeitszimmer
sensor_room_name_ascii: arbeitszimmer
my_btmonitor_pl0: 78
vars: vars:
ansible_user: root ansible_user: root
ansible_python_interpreter: /usr/bin/python3 ansible_python_interpreter: /usr/bin/python3
@ -61,3 +66,5 @@ all:
home_assistant_token: eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJpc3MiOiJkM2QxYjAwYjkxZjY0MWVhYjA4YmZhMDYwYTg3YjRhNyIsImlhdCI6MTcwNDI3MDU5MSwiZXhwIjoyMDE5NjMwNTkxfQ.dzvejgEQd9hf-Yftzd7NkR5pv76GaLFczeOy-a2pa1o home_assistant_token: eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJpc3MiOiJkM2QxYjAwYjkxZjY0MWVhYjA4YmZhMDYwYTg3YjRhNyIsImlhdCI6MTcwNDI3MDU5MSwiZXhwIjoyMDE5NjMwNTkxfQ.dzvejgEQd9hf-Yftzd7NkR5pv76GaLFczeOy-a2pa1o
configure_wifi: false configure_wifi: false
wifi_ssid: BauerWLAN wifi_ssid: BauerWLAN
my_btmonitor_mqtt_username: my_btmonitor
my_btmonitor_mqtt_password: 8aBIAC14jaKKbla

23
roles/bluetooth-monitor/files/bleak3.py
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@ -1,23 +0,0 @@
import asyncio
from bleak import BleakScanner
async def main():
stop_event = asyncio.Event()
# TODO: add something that calls stop_event.set()
def callback(device, advertising_data):
print("device", device.address, "advertising_data", advertising_data)
# TODO: do something with incoming data
pass
async with BleakScanner(callback, scanning_mode="active") as scanner:
# Important! Wait for an event to trigger stop, otherwise scanner
# will stop immediately.
await stop_event.wait()
# scanner stops when block exits
...
asyncio.run(main())

38
roles/bluetooth-monitor/files/bleak4.py
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@ -1,38 +0,0 @@
import asyncio
import logging
from bleak import BleakClient, BleakScanner
from bleak.assigned_numbers import AdvertisementDataType
from bleak.backends.bluezdbus.advertisement_monitor import OrPattern
from bleak.backends.bluezdbus.scanner import BlueZScannerArgs
async def scan():
args = BlueZScannerArgs(
or_patterns=[OrPattern(0, AdvertisementDataType.MANUFACTURER_SPECIFIC_DATA, b"\x10\x05")]
)
async with BleakScanner(bluez=args, scanning_mode="passive") as scanner:
async for _, advertisement_data in scanner.advertisement_data():
mfr_data = advertisement_data.manufacturer_data
if mfr_data.get(0x02e1):
logging.info("scan(): found correct device: %s", mfr_data)
else:
logging.info("scan(): this should never happen: %s", mfr_data)
async def connect():
device1 = await BleakScanner.find_device_by_address("01:B6:EC:10:CB:8F")
async with BleakClient(device1):
logging.info("connect(): connected to device")
await asyncio.sleep(60)
async def main():
logging.info("main(): starting scan")
asyncio.create_task(scan())
await asyncio.sleep(30)
logging.basicConfig(
level=logging.INFO,
format="%(asctime)-15s %(name)-8s %(levelname)s: %(message)s",
)
asyncio.run(main())

92
roles/bluetooth-monitor/files/bleak_final.py
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@ -1,92 +0,0 @@
import asyncio
from bleak import BleakScanner
from bleak.assigned_numbers import AdvertisementDataType
from bleak.backends.bluezdbus.advertisement_monitor import OrPattern
from bleak.backends.bluezdbus.scanner import BlueZScannerArgs
from Crypto.Cipher import AES
from typing import Dict
irks = {
"aa67542b82c0e05d65c27fb7e313aba5": "martins_apple_watch",
"840e3892644c1ebd1594a9069c14ce0d" : "martins_iphone",
}
def resolve_rpa(rpa: bytes, irk: bytes) -> bool:
"""Compares the random address rpa to an irk (secret key) and return True if it matches"""
assert len(rpa) == 6
assert len(irk) == 16
key = irk
plain_text = b'\x00' * 16
plain_text = bytearray(plain_text)
plain_text[15] = rpa[3]
plain_text[14] = rpa[4]
plain_text[13] = rpa[5]
plain_text = bytes(plain_text)
cipher = AES.new(key, AES.MODE_ECB)
cipher_text = cipher.encrypt(plain_text)
return cipher_text[15] == rpa[0] and cipher_text[14] == rpa[1] and cipher_text[13] == rpa[2]
def addr_to_bytes(addr:str) -> bytes:
"""Converts a bluetooth mac address string with semicolons to bytes"""
str_without_colons = addr.replace(":", "")
bytearr = bytearray.fromhex(str_without_colons)
bytearr.reverse()
return bytes(bytearr)
def decode_address(addr: str, irks: Dict[str, str]):
"""
addr is a bluetooth address as a string e.g. 4d:24:12:12:34:10
irks is dict with irk as a hex string, mapping to device name
"""
for irk, name in irks.items():
if resolve_rpa(addr_to_bytes(addr), bytes.fromhex(irk)):
return name
return None
def estimate_distance(rssi, tx_power, pl0=54):
"""
RSSI in dBm
txPower is a transmitter parameter that calculated according to its physic layer and antenna in dBm
Return value in meter
You should calculate "PL0" in calibration stage:
PL0 = txPower - RSSI; // When distance is distance0 (distance0 = 1m or more)
SO, RSSI will be calculated by below formula:
RSSI = txPower - PL0 - 10 * n * log(distance/distance0) - G(t)
G(t) ~= 0 //This parameter is the main challenge in achiving to more accuracy.
n = 2 (Path Loss Exponent, in the free space is 2)
distance0 = 1 (m)
distance = 10 ^ ((txPower - RSSI - PL0 ) / (10 * n))
Read more details:
https://en.wikipedia.org/wiki/Log-distance_path_loss_model
"""
n = 2.7
return 10**(( tx_power - rssi - pl0) / (10 * n))
def callback(device, advertising_data):
print(device.address)
decoded = decode_address(device.address, irks)
if decoded:
print(f"{decoded} @ {advertising_data.rssi} distance {estimate_distance(advertising_data.rssi, advertising_data.tx_power)}")
async def main():
# Scan for
args = BlueZScannerArgs(
or_patterns=[OrPattern(0, AdvertisementDataType.MANUFACTURER_SPECIFIC_DATA, b"\x10\x05")]
)
stop_event = asyncio.Event()
#async with BleakScanner(bluez=args, scanning_mode="passive") as scanner:
async with BleakScanner(callback) as scanner:
await stop_event.wait()
asyncio.run(main())

10
roles/bluetooth-monitor/files/bleak_test.py
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@ -1,10 +0,0 @@
import asyncio
from bleak import BleakScanner
async def main():
devices = await BleakScanner.discover()
while True:
for d in devices:
print(d)
asyncio.run(main())

58
roles/bluetooth-monitor/files/bleak_test2.py
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@ -1,58 +0,0 @@
"""Scan for iBeacons.
Copyright (c) 2022 Koen Vervloesem
SPDX-License-Identifier: MIT
"""
import asyncio
from uuid import UUID
from construct import Array, Byte, Const, Int8sl, Int16ub, Struct
from construct.core import ConstError
from bleak import BleakScanner
from bleak.backends.device import BLEDevice
from bleak.backends.scanner import AdvertisementData
ibeacon_format = Struct(
"type_length" / Const(b"\x02\x15"),
"uuid" / Array(16, Byte),
"major" / Int16ub,
"minor" / Int16ub,
"power" / Int8sl,
)
def device_found(
device: BLEDevice, advertisement_data: AdvertisementData
):
"""Decode iBeacon."""
try:
apple_data = advertisement_data.manufacturer_data[0x004C]
print("apple data", apple_data)
ibeacon = ibeacon_format.parse(apple_data)
uuid = UUID(bytes=bytes(ibeacon.uuid))
print(f"UUID : {uuid}")
print(f"Major : {ibeacon.major}")
print(f"Minor : {ibeacon.minor}")
print(f"TX power : {ibeacon.power} dBm")
print(f"RSSI : {device.rssi} dBm")
print(47 * "-")
except KeyError:
# Apple company ID (0x004c) not found
pass
except ConstError:
# No iBeacon (type 0x02 and length 0x15)
pass
async def main():
"""Scan for devices."""
scanner = BleakScanner()
scanner.register_detection_callback(device_found)
while True:
await scanner.start()
await asyncio.sleep(1.0)
await scanner.stop()
asyncio.run(main())

3
roles/bluetooth-monitor/files/config.yaml
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@ -1,3 +0,0 @@
devices:
martins_iphone: 840e3892644c1ebd1594a9069c14ce0d
martins_apple_watch: aa67542b82c0e05d65c27fb7e313aba5

131
roles/bluetooth-monitor/files/filter.cpp Normal file
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@ -0,0 +1,131 @@
#include <cmath>
#include <vector>
#include <iostream>
using real_t = double;
static constexpr real_t SPIKE_THRESHOLD = 1.0f; // Threshold for spike detection
static constexpr int NUM_READINGS = 12; // Number of readings to keep track of
class FilteredDistance {
public:
FilteredDistance(real_t minCutoff = 1e-1f, real_t beta = 1e-3, real_t dcutoff = 5e-3);
void addMeasurement(real_t dist, real_t time_now_in_seconds);
const real_t getMedianDistance() const;
const real_t getDistance() const;
const real_t getVariance() const;
bool hasValue() const { return lastTime != 0; }
private:
real_t minCutoff;
real_t beta;
real_t dcutoff;
real_t x, dx;
real_t lastDist;
real_t lastTime;
real_t getAlpha(real_t cutoff, real_t dT);
real_t readings[NUM_READINGS]; // Array to store readings
int readIndex; // Current position in the array
real_t total; // Total of the readings
real_t totalSquared; // Total of the squared readings
void initSpike(real_t dist);
real_t removeSpike(real_t dist);
};
FilteredDistance::FilteredDistance(real_t minCutoff, real_t beta, real_t dcutoff)
: minCutoff(minCutoff), beta(beta), dcutoff(dcutoff), x(0), dx(0), lastDist(0), lastTime(-1), total(0), totalSquared(0), readIndex(0) {
}
void FilteredDistance::initSpike(real_t dist) {
for (size_t i = 0; i < NUM_READINGS; i++) {
readings[i] = dist;
}
total = dist * NUM_READINGS;
totalSquared = dist * dist * NUM_READINGS; // Initialize sum of squared distances
}
real_t FilteredDistance::removeSpike(real_t dist) {
total -= readings[readIndex]; // Subtract the last reading
totalSquared -= readings[readIndex] * readings[readIndex]; // Subtract the square of the last reading
readings[readIndex] = dist; // Read the sensor
total += readings[readIndex]; // Add the reading to the total
totalSquared += readings[readIndex] * readings[readIndex]; // Add the square of the reading
readIndex = (readIndex + 1) % NUM_READINGS; // Advance to the next position in the array
auto average = total / static_cast<real_t>(NUM_READINGS); // Calculate the average
if (std::fabs(dist - average) > SPIKE_THRESHOLD)
return average; // Spike detected, use the average as the filtered value
return dist; // No spike, return the new value
}
void FilteredDistance::addMeasurement(real_t dist, real_t time_now_in_seconds) {
const bool initialized = lastTime >= 0;
const real_t elapsed = time_now_in_seconds - lastTime;
lastTime = time_now_in_seconds;
if (!initialized) {
x = dist; // Set initial filter state to the first reading
dx = 0; // Initial derivative is unknown, so we set it to zero
lastDist = dist;
initSpike(dist);
} else {
real_t dT = std::max(elapsed, real_t(0.05)); // Convert microseconds to seconds, enforce a minimum dT
const real_t alpha = getAlpha(minCutoff, dT);
const real_t dAlpha = getAlpha(dcutoff, dT);
dist = removeSpike(dist);
x += alpha * (dist - x);
dx = dAlpha * ((dist - lastDist) / dT);
lastDist = x + beta * dx;
std::cout << "alpha=" << alpha <<
" dAlpha=" << dAlpha <<
" dist=" << dist <<
" x=" << x <<
" dx=" << dx <<
" lastDist=" << lastDist <<
std::endl;
}
}
const real_t FilteredDistance::getDistance() const {
return lastDist;
}
real_t FilteredDistance::getAlpha(real_t cutoff, real_t dT) {
real_t tau = 1.0f / (2 * M_PI * cutoff);
return 1.0f / (1.0f + tau / dT);
}
const real_t FilteredDistance::getVariance() const {
auto mean = total / static_cast<real_t>(NUM_READINGS);
auto meanOfSquares = totalSquared / static_cast<real_t>(NUM_READINGS);
auto variance = meanOfSquares - (mean * mean); // Variance formula: E(X^2) - (E(X))^2
if (variance < 0.0f) return 0.0f;
return variance;
}
int main(int argc, char**argv)
{
FilteredDistance f;
std::vector<real_t> values = {1.5, 2.9, 5.3, 15.1, 1.5, 2.5, 1.5, 2.9, 5.3, 15.1};
real_t time = 0.0;
//std::cout << " result_cpp = [";
for(int i=0; i < 1; ++i)
for(auto value : values) {
f.addMeasurement(value, time);
time += 1.0;
//std::cout << f.getDistance() << ", ";
}
//std::cout << "]" << std::endl;
return 0;
}

91
roles/bluetooth-monitor/files/filter.py Normal file
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@ -0,0 +1,91 @@
#from time import time
import math
from scipy import signal
# Taken from ESPresense C++ code
class FilteredDistance:
NUM_READINGS = 100
SPIKE_THRESHOLD = 1.0
def __init__(self, min_cutoff : float = 1e-1, beta : float = 1e-3, dcutoff : float = 5e-3):
self.min_cutoff = min_cutoff
self.beta = beta
self.dcutoff = dcutoff
self.x = 0
self.dx = 0
self.last_dist = 0
self.last_time = -1.0
self.total = 0
self.read_index = 0
self.readings = []
def _init_spike(self, dist : float):
self.readings = [dist] * self.NUM_READINGS
self.total = sum(self.readings)
def _remove_spike(self, dist: float):
self.total -= self.readings[self.read_index]
self.readings[self.read_index] = dist
self.total += dist
self.read_index = (self.read_index + 1) % self.NUM_READINGS
average = self.total / self.NUM_READINGS
if abs(dist - average) > self.SPIKE_THRESHOLD:
return average # spike detected
else:
return dist
def _get_alpha(self, cutoff : float, dT : float):
tau = 1 / (2 * math.pi * cutoff)
return 1 / (1 + tau / dT)
def add_measurement(self, dist : float, time_now_in_seconds: float):
initialized = (self.last_time >= 0.0)
elapsed = time_now_in_seconds - self.last_time
self.last_time = time_now_in_seconds
if not initialized:
self.x = dist
self.dx = 0
self.last_dist = dist
self._init_spike(dist)
else:
dT = max(elapsed, 0.05)
alpha = self._get_alpha(self.min_cutoff, dT)
d_alpha = self._get_alpha(self.dcutoff, dT)
dist = self._remove_spike(dist)
self.x += alpha * (dist - self.x)
self.dx = d_alpha * ((dist - self.last_dist) / dT)
self.last_dist = self.x + self.beta * self.dx
#print(f"{alpha=} {d_alpha=} {dist=} {self.x=} {self.dx=} {self.last_dist=}")
def get_distance(self):
return self.last_dist
def run_test(times, values, **kwargs):
f = FilteredDistance(**kwargs)
result = []
for t, value in zip(times, values):
f.add_measurement(value, t)
result.append(f.get_distance())
return result
def smooth(y, box_pts):
box = np.ones(box_pts)/box_pts
y_smooth = np.convolve(y, box, mode='same')
return y_smooth
if __name__ == "__main__":
import numpy as np
values = np.array([1] * 20 + [2, 4, 6, 7, 10, 16, 10, 13, 16, 24, 13] + [1] * 20 )
times = np.arange(0, len(values)) * 10
result_default = run_test(times, values)
result_beta1 = smooth(values, 6)
import matplotlib.pyplot as plt
plt.plot(times, values, label="raw")
#plt.plot(times, result_default, marker="o", label="filtered")
plt.plot(times, result_beta1, marker='x', label="altered")
plt.legend()
plt.show()

BIN
roles/bluetooth-monitor/files/filtered Executable file
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11
roles/bluetooth-monitor/files/my_btmonitor.service Normal file
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@ -0,0 +1,11 @@
[Unit]
Description=My Bluetooth monitor
After=network.target
[Service]
Type=simple
Restart=always
ExecStart=/usr/bin/my_btmonitor
[Install]
WantedBy=multi-user.target

18
roles/bluetooth-monitor/tasks/main.yml
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@ -1,8 +1,22 @@
- name: Apt install bluez and firmware - name: Apt install bluez, firmware and Python requirements
apt: apt:
name: name:
- bluez - bluez
- bluez-firmware - bluez-firmware
- firmware-realtek - firmware-realtek
- firmware-realtek-rtl8723cs-bt - firmware-realtek-rtl8723cs-bt
- python3-pycryptodome
- python3-bleak
- python3-asyncio-mqtt
- python3-numpy
- name: Copy monitor script
template: src=my_btmonitor.py dest=/usr/bin/my_btmonitor owner=root mode=u+rwx
- name: Install systemd service file
copy: src=my_btmonitor.service dest=/etc/systemd/system/
- name: Add script to autostart and start now
systemd: name=my_btmonitor state=restarted enabled=yes daemon_reload=yes
#- name: Add to sysdweb
# include_role:
# name: pi-sysdweb
# vars:
# sysdweb_name: my_btmonitor

149
roles/bluetooth-monitor/templates/my_btmonitor.py Normal file
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#!/usr/bin/env python3
import asyncio
from bleak import BleakScanner
from bleak.assigned_numbers import AdvertisementDataType
from bleak.backends.bluezdbus.advertisement_monitor import OrPattern
from bleak.backends.bluezdbus.scanner import BlueZScannerArgs
from Cryptodome.Cipher import AES
from functools import partial
import asyncio_mqtt
import json
from typing import Dict
import collections
import numpy as np
# ------------------- Config ----------------------------------------------------------------
config = {
"mqtt": {
"hostname": "homeassistant.fritz.box",
"username": "{{my_btmonitor_mqtt_username}}",
"password": "{{my_btmonitor_mqtt_password}}",
"room": "{{sensor_room_name_ascii}}"
},
"irk_to_devicename": {
"aa67542b82c0e05d65c27fb7e313aba5": "martins_apple_watch",
"840e3892644c1ebd1594a9069c14ce0d" : "martins_iphone",
}
}
# --------------------------------------------------------------------------------------------
def resolve_rpa(rpa: bytes, irk: bytes) -> bool:
"""Compares the random address rpa to an irk (secret key) and return True if it matches"""
assert len(rpa) == 6
assert len(irk) == 16
key = irk
plain_text = b'\x00' * 16
plain_text = bytearray(plain_text)
plain_text[15] = rpa[3]
plain_text[14] = rpa[4]
plain_text[13] = rpa[5]
plain_text = bytes(plain_text)
cipher = AES.new(key, AES.MODE_ECB)
cipher_text = cipher.encrypt(plain_text)
return cipher_text[15] == rpa[0] and cipher_text[14] == rpa[1] and cipher_text[13] == rpa[2]
def addr_to_bytes(addr:str) -> bytes:
"""Converts a bluetooth mac address string with semicolons to bytes"""
str_without_colons = addr.replace(":", "")
bytearr = bytearray.fromhex(str_without_colons)
bytearr.reverse()
return bytes(bytearr)
def decode_address(addr: str, irks: Dict[str, str]):
"""
addr is a bluetooth address as a string e.g. 4d:24:12:12:34:10
irks is dict with irk as a hex string, mapping to device name
"""
for irk, name in irks.items():
if resolve_rpa(addr_to_bytes(addr), bytes.fromhex(irk)):
return name
return None
def estimate_distance(rssi, tx_power, pl0=73):
"""
RSSI in dBm
txPower is a transmitter parameter that calculated according to its physic layer and antenna in dBm
Return value in meter
You should calculate "PL0" in calibration stage:
PL0 = txPower - RSSI; // When distance is distance0 (distance0 = 1m or more)
SO, RSSI will be calculated by below formula:
RSSI = txPower - PL0 - 10 * n * log(distance/distance0) - G(t)
G(t) ~= 0 //This parameter is the main challenge in achiving to more accuracy.
n = 2 (Path Loss Exponent, in the free space is 2)
distance0 = 1 (m)
distance = 10 ^ ((txPower - RSSI - PL0 ) / (10 * n))
Read more details:
https://en.wikipedia.org/wiki/Log-distance_path_loss_model
"""
n = 3.5
return 10**((tx_power - rssi - pl0) / (10 * n))
def smooth(y, box_pts):
box = np.ones(box_pts)/box_pts
y_smooth = np.convolve(y, box, mode='same')
return y_smooth
WINDOW_SIZE = 6
last_values = collections.deque(maxlen=WINDOW_SIZE)
def filter_distance(dist: float):
global last_values
last_values.append(dist)
return smooth(np.array(last_values), 12)[-1]
async def on_device_found_callback(irks, mqtt_client, room, device, advertising_data):
decoded_device_id = decode_address(device.address, irks)
rssi = advertising_data.rssi
tx_power = advertising_data.tx_power
if decoded_device_id and tx_power is not None and rssi is not None:
topic = f"my_btmonitor/devices/{decoded_device_id}/{room}"
distance = estimate_distance(rssi, tx_power, {{my_btmonitor_pl0 | default('73')}} )
filtered_distance = filter_distance(distance)
data = {"id": decoded_device_id,
"name": decoded_device_id,
"rssi": rssi,
"tx_power": tx_power,
"distance": filtered_distance,
"unfiltered_distance": distance,
}
await mqtt_client.publish(topic, json.dumps(data).encode())
#print(data)
async def main():
stop_event = asyncio.Event()
mqtt_conf = config['mqtt']
while True:
try:
async with asyncio_mqtt.Client(hostname=mqtt_conf["hostname"],
username=mqtt_conf["username"],
password=mqtt_conf['password']) as mqtt_client:
cb = partial(on_device_found_callback, config['irk_to_devicename'], mqtt_client, mqtt_conf['room'])
active_scan = True
if active_scan:
async with BleakScanner(cb) as scanner:
await stop_event.wait()
else:
# Doesn't work, because of the strange or_patters
args = BlueZScannerArgs(
or_patterns=[OrPattern(0, AdvertisementDataType.MANUFACTURER_SPECIFIC_DATA, b"\x00\x4c")]
)
async with BleakScanner(cb, bluez=args, scanning_mode="passive") as scanner:
await stop_event.wait()
except Exception as e:
print("Error", e)
print("Starting again")
asyncio.run(main())

4
roles/pi-disable-onboard-bluetooth/handlers/main.yml Normal file
View File

@ -0,0 +1,4 @@
---
- name: reboot
reboot:

7
roles/pi-disable-onboard-bluetooth/tasks/main.yml Normal file
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@ -0,0 +1,7 @@
---
- name: Deactivate onboard bluetooth
lineinfile:
path: /boot/firmware/config.txt
regexp: "^#?dtoverlay=disable-bt"
line: "dtoverlay=disable-bt"
notify: reboot

2
roles/pi-irserver/files/irserver.service
View File

@ -1,6 +1,6 @@
[Unit] [Unit]
Description=IR server for IR remotes Description=IR server for IR remotes
After=multi-user.target After=network.target
[Service] [Service]
Type=simple Type=simple

2
roles/pi-squeezeserver/tasks/main.yml
View File

@ -6,7 +6,7 @@
- libflac-dev - libflac-dev
- libfaad2 - libfaad2
- libmad0 - libmad0
- perl-openssl-abi-1.1 - perl-openssl-defaults
- libnet-ssleay-perl - libnet-ssleay-perl
- libio-socket-ssl-perl - libio-socket-ssl-perl
- nasm - nasm

1
server.yml
View File

@ -6,4 +6,5 @@
- server-exthdd-mount - server-exthdd-mount
- server-nfs - server-nfs
- server-link-aggregation - server-link-aggregation
- bluetooth-monitor

20
working.yml Normal file
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@ -0,0 +1,20 @@
---
- hosts: server
roles:
- bluetooth-monitor
- hosts: musikserverwohnzimmeroben
roles:
- bluetooth-monitor
- hosts: kitchenpi
roles:
- pi-disable-onboard-bluetooth
- bluetooth-monitor
- hosts: bedroompi
roles:
- pi-disable-onboard-bluetooth
- bluetooth-monitor