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[Linux] Read AirPods state from BLE broadcast when not connected (#138)

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* Fix possible build error

* [Linux] Read AirPods state from BLE broadcast when not connected

* SImplify

* Remove old code

* Remove old code

* Maintain charging state when state is unknown

* Simplify

* Remove unused var
This commit is contained in:
Tim Gromeyer
2025-06-04 13:10:55 +02:00
committed by GitHub
parent 5dc7e512ae
commit c4633d6871
14 changed files with 416 additions and 617 deletions
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147
linux/ble/blemanager.cpp
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@@ -1,6 +1,86 @@
#include "blemanager.h"
#include "enums.h"
#include <QDebug>
#include <QTimer>
#include "logger.h"
#include <QMap>
AirpodsTrayApp::Enums::AirPodsModel getModelName(quint16 modelId)
{
using namespace AirpodsTrayApp::Enums;
static const QMap<quint16, AirPodsModel> modelMap = {
{0x0220, AirPodsModel::AirPods1},
{0x0F20, AirPodsModel::AirPods2},
{0x1320, AirPodsModel::AirPods3},
{0x1920, AirPodsModel::AirPods4},
{0x1B20, AirPodsModel::AirPods4ANC},
{0x0A20, AirPodsModel::AirPodsMaxLightning},
{0x1F20, AirPodsModel::AirPodsMaxUSBC},
{0x0E20, AirPodsModel::AirPodsPro},
{0x1420, AirPodsModel::AirPodsPro2Lightning},
{0x2420, AirPodsModel::AirPodsPro2USBC}
};
return modelMap.value(modelId, AirPodsModel::Unknown);
}
QString getColorName(quint8 colorId)
{
switch (colorId)
{
case 0x00:
return "White";
case 0x01:
return "Black";
case 0x02:
return "Red";
case 0x03:
return "Blue";
case 0x04:
return "Pink";
case 0x05:
return "Gray";
case 0x06:
return "Silver";
case 0x07:
return "Gold";
case 0x08:
return "Rose Gold";
case 0x09:
return "Space Gray";
case 0x0A:
return "Dark Blue";
case 0x0B:
return "Light Blue";
case 0x0C:
return "Yellow";
default:
return "Unknown";
}
}
QString getConnectionStateName(BleInfo::ConnectionState state)
{
using ConnectionState = BleInfo::ConnectionState;
switch (state)
{
case ConnectionState::DISCONNECTED:
return QString("Disconnected");
case ConnectionState::IDLE:
return QString("Idle");
case ConnectionState::MUSIC:
return QString("Playing Music");
case ConnectionState::CALL:
return QString("On Call");
case ConnectionState::RINGING:
return QString("Ringing");
case ConnectionState::HANGING_UP:
return QString("Hanging Up");
case ConnectionState::UNKNOWN:
default:
return QString("Unknown");
}
}
BleManager::BleManager(QObject *parent) : QObject(parent)
{
@@ -13,38 +93,25 @@ BleManager::BleManager(QObject *parent) : QObject(parent)
this, &BleManager::onScanFinished);
connect(discoveryAgent, &QBluetoothDeviceDiscoveryAgent::errorOccurred,
this, &BleManager::onErrorOccurred);
// Set up pruning timer
pruneTimer = new QTimer(this);
connect(pruneTimer, &QTimer::timeout, this, &BleManager::pruneOldDevices);
pruneTimer->start(PRUNE_INTERVAL_MS); // Start timer (runs every 5 seconds)
}
BleManager::~BleManager()
{
delete discoveryAgent;
delete pruneTimer;
}
void BleManager::startScan()
{
qDebug() << "Starting BLE scan...";
devices.clear();
LOG_DEBUG("Starting BLE scan...");
discoveryAgent->start(QBluetoothDeviceDiscoveryAgent::LowEnergyMethod);
pruneTimer->start(PRUNE_INTERVAL_MS); // Ensure timer is running
}
void BleManager::stopScan()
{
qDebug() << "Stopping BLE scan...";
LOG_DEBUG("Stopping BLE scan...");
discoveryAgent->stop();
}
const QMap<QString, DeviceInfo> &BleManager::getDevices() const
{
return devices;
}
void BleManager::onDeviceDiscovered(const QBluetoothDeviceInfo &info)
{
// Check for Apple's manufacturer ID (0x004C)
@@ -55,10 +122,11 @@ void BleManager::onDeviceDiscovered(const QBluetoothDeviceInfo &info)
if (data.size() >= 10 && data[0] == 0x07)
{
QString address = info.address().toString();
DeviceInfo deviceInfo;
BleInfo deviceInfo;
deviceInfo.name = info.name().isEmpty() ? "AirPods" : info.name();
deviceInfo.address = address;
deviceInfo.rawData = data;
deviceInfo.rawData = data.left(data.size() - 16);
deviceInfo.encryptedPayload = data.mid(data.size() - 16);
// data[1] is the length of the data, so we can skip it
@@ -68,8 +136,9 @@ void BleManager::onDeviceDiscovered(const QBluetoothDeviceInfo &info)
return; // Skip pairing mode devices (the values are differently structured)
}
// Parse device model (big-endian: high byte at data[3], low byte at data[4])
deviceInfo.deviceModel = static_cast<quint16>(data[4]) | (static_cast<quint8>(data[3]) << 8);
deviceInfo.modelName = getModelName(static_cast<quint16>(data[4]) | (static_cast<quint8>(data[3]) << 8));
// Status byte for primary pod and other flags
quint8 status = static_cast<quint8>(data[5]);
@@ -83,9 +152,9 @@ void BleManager::onDeviceDiscovered(const QBluetoothDeviceInfo &info)
// Lid open counter and device color
quint8 lidIndicator = static_cast<quint8>(data[8]);
deviceInfo.deviceColor = static_cast<quint8>(data[9]);
deviceInfo.color = getColorName((quint8)(data[9]));
deviceInfo.connectionState = static_cast<DeviceInfo::ConnectionState>(data[10]);
deviceInfo.connectionState = static_cast<BleInfo::ConnectionState>(data[10]);
// Next: Encrypted Payload: 16 bytes
@@ -93,6 +162,8 @@ void BleManager::onDeviceDiscovered(const QBluetoothDeviceInfo &info)
bool primaryLeft = (status & 0x20) != 0; // Bit 5: 1 = left primary, 0 = right primary
bool areValuesFlipped = !primaryLeft; // Flipped when right pod is primary
deviceInfo.primaryLeft = primaryLeft; // Store primary pod information
// Parse battery levels
int leftNibble = areValuesFlipped ? (podsBatteryByte >> 4) & 0x0F : podsBatteryByte & 0x0F;
int rightNibble = areValuesFlipped ? podsBatteryByte & 0x0F : (podsBatteryByte >> 4) & 0x0F;
@@ -117,6 +188,10 @@ void BleManager::onDeviceDiscovered(const QBluetoothDeviceInfo &info)
deviceInfo.isLeftPodInEar = xorFactor ? (status & 0x08) != 0 : (status & 0x02) != 0; // Bit 3 or 1
deviceInfo.isRightPodInEar = xorFactor ? (status & 0x02) != 0 : (status & 0x08) != 0; // Bit 1 or 3
// Determine primary and secondary in-ear status
deviceInfo.isPrimaryInEar = primaryLeft ? deviceInfo.isLeftPodInEar : deviceInfo.isRightPodInEar;
deviceInfo.isSecondaryInEar = primaryLeft ? deviceInfo.isRightPodInEar : deviceInfo.isLeftPodInEar;
// Microphone status
deviceInfo.isLeftPodMicrophone = primaryLeft ^ deviceInfo.isThisPodInTheCase;
deviceInfo.isRightPodMicrophone = !primaryLeft ^ deviceInfo.isThisPodInTheCase;
@@ -124,27 +199,19 @@ void BleManager::onDeviceDiscovered(const QBluetoothDeviceInfo &info)
deviceInfo.lidOpenCounter = lidIndicator & 0x07; // Extract bits 0-2 (count)
quint8 lidState = static_cast<quint8>((lidIndicator >> 3) & 0x01); // Extract bit 3 (lid state)
if (deviceInfo.isThisPodInTheCase) {
deviceInfo.lidState = static_cast<DeviceInfo::LidState>(lidState);
deviceInfo.lidState = static_cast<BleInfo::LidState>(lidState);
}
// Update timestamp
deviceInfo.lastSeen = QDateTime::currentDateTime();
// Store device info in the map
devices[address] = deviceInfo;
// Debug output
qDebug() << "Found device:" << deviceInfo.name
<< "Left:" << (deviceInfo.leftPodBattery >= 0 ? QString("%1%").arg(deviceInfo.leftPodBattery) : "N/A")
<< "Right:" << (deviceInfo.rightPodBattery >= 0 ? QString("%1%").arg(deviceInfo.rightPodBattery) : "N/A")
<< "Case:" << (deviceInfo.caseBattery >= 0 ? QString("%1%").arg(deviceInfo.caseBattery) : "N/A");
emit deviceFound(deviceInfo); // Emit signal for device found
}
}
}
void BleManager::onScanFinished()
{
qDebug() << "Scan finished.";
if (discoveryAgent->isActive())
{
discoveryAgent->start(QBluetoothDeviceDiscoveryAgent::LowEnergyMethod);
@@ -153,24 +220,6 @@ void BleManager::onScanFinished()
void BleManager::onErrorOccurred(QBluetoothDeviceDiscoveryAgent::Error error)
{
qDebug() << "Error occurred:" << error;
LOG_ERROR("BLE scan error occurred:" << error);
stopScan();
}
void BleManager::pruneOldDevices()
{
QDateTime now = QDateTime::currentDateTime();
auto it = devices.begin();
while (it != devices.end())
{
if (it.value().lastSeen.msecsTo(now) > DEVICE_TIMEOUT_MS)
{
qDebug() << "Removing old device:" << it.value().name << "at" << it.key();
it = devices.erase(it); // Remove device if not seen recently
}
else
{
++it;
}
}
}