def __init__(self, service_uuid, char_uuid, processData, sendHeartbeat,
sendStop, reset):
super().__init__()
self.SERVICE_UUID = QtBluetooth.QBluetoothUuid(service_uuid)
self.CHAR_UUID = QtBluetooth.QBluetoothUuid(char_uuid)
self.processData = processData
self.sendHeartbeat = sendHeartbeat
self.sendStop = sendStop
self.reset = reset
self.QBluetoothDeviceDiscoveryAgent_LowEnergyMethod = 2
self.ENABLE_NOTIFICATION_VALUE = QtCore.QByteArray.fromHex(b"0100")
self.DISABLE_NOTIFICATION_VALUE = QtCore.QByteArray.fromHex(b"0000")
self.m_deviceDiscoveryAgent = QtBluetooth.QBluetoothDeviceDiscoveryAgent(
)
self.m_deviceDiscoveryAgent.setLowEnergyDiscoveryTimeout(500)
self.m_deviceDiscoveryAgent.deviceDiscovered.connect(self.addDevice)
self.m_deviceDiscoveryAgent.finished.connect(self.onScanFinished)
self.m_deviceDiscoveryAgent.canceled.connect(self.onScanFinished)
self.m_device = None
self.m_control = None
self.m_service = None
self.m_notificationDesc = QtBluetooth.QLowEnergyDescriptor()
self.m_readCharacteristic = QtBluetooth.QLowEnergyCharacteristic()
self.m_writeCharacteristic = QtBluetooth.QLowEnergyCharacteristic()
self.m_writemode = QtBluetooth.QLowEnergyService.WriteMode()
self.m_connected = False
self.m_readTimer = None
self.dataReceived.connect(self.printDataReceived)
def __init__(self, service_uuid, char_uuid, processData, sendHeartbeat,
reset):
super().__init__()
self.SERVICE_UUID = QtBluetooth.QBluetoothUuid(service_uuid)
self.CHAR_UUID = QtBluetooth.QBluetoothUuid(char_uuid)
self.processData = processData
self.sendHeartbeat = sendHeartbeat
self.reset = reset
self.m_deviceDiscoveryAgent = QtBluetooth.QBluetoothDeviceDiscoveryAgent(
)
self.m_notificationDesc = QtBluetooth.QLowEnergyDescriptor()
self.m_control = None
#self.m_servicesUuid = QtBluetooth.QBluetoothUuid()
self.m_servicesUuid = []
self.m_service = QtBluetooth.QLowEnergyService
self.m_readCharacteristic = QtBluetooth.QLowEnergyCharacteristic()
self.m_writeCharacteristic = QtBluetooth.QLowEnergyCharacteristic()
self.m_writemode = QtBluetooth.QLowEnergyService.WriteMode()
self.m_device = None # bound to the device if discovered
self.m_services = []
self.m_currentService = None
self.m_connected = False
self.m_readTimer = None
self.m_deviceDiscoveryAgent.setLowEnergyDiscoveryTimeout(500)
self.m_deviceDiscoveryAgent.deviceDiscovered.connect(self.addDevice)
self.m_deviceDiscoveryAgent.error.connect(self.onDeviceScanError)
self.m_deviceDiscoveryAgent.finished.connect(self.onScanFinished)
self.m_deviceDiscoveryAgent.canceled.connect(self.onScanFinished)
self.dataReceived.connect(self.printDataReceived)
def detailsDiscovered(self, state):
if state == QtBluetooth.QLowEnergyService.ServiceDiscovered:
self.positionChrc = self.service.characteristic(QtBluetooth.QBluetoothUuid('{00000125-0000-1000-8000-00805f9b34fb}'))
self.buttonsPressChrc = self.service.characteristic(QtBluetooth.QBluetoothUuid('{00000225-0000-1000-8000-00805f9b34fb}'))
des = self.positionChrc.descriptor( QtBluetooth.QBluetoothUuid(QtBluetooth.QBluetoothUuid.ClientCharacteristicConfiguration) )
self.service.writeDescriptor(des, bytes.fromhex('0100'))
des = self.buttonsPressChrc.descriptor( QtBluetooth.QBluetoothUuid(QtBluetooth.QBluetoothUuid.ClientCharacteristicConfiguration) )
self.service.writeDescriptor(des, bytes.fromhex('0100'))
pos = self.positionChrc.value()
self.x, self.y = struct.unpack("<ff", pos)
def searchCharacteristic(self):
# print("searchCharacteristic")
if self.m_service:
for c in self.m_service.characteristics():
if c.isValid():
if c.properties(
) & QtBluetooth.QLowEnergyCharacteristic.WriteNoResponse or c.properties(
) & QtBluetooth.QLowEnergyCharacteristic.Write:
self.m_writeCharacteristic = c
self.update_connected(True)
if c.properties(
) & QtBluetooth.QLowEnergyCharacteristic.WriteNoResponse:
self.m_writemode = QtBluetooth.QLowEnergyService.WriteWithoutResponse
else:
self.m_writemode = QtBluetooth.QLowEnergyService.WriteWithResponse
if c.properties(
) & QtBluetooth.QLowEnergyCharacteristic.Read:
self.m_readCharacteristic = c
if not self.m_readTimer:
self.m_readTimer = QtCore.QTimer()
self.m_readTimer.timeout.connect(self.read)
self.m_readTimer.start(3000)
self.m_notificationDesc = c.descriptor(
QtBluetooth.QBluetoothUuid(0x2902))
#print(QtBluetooth.QBluetoothUuid(0x2902).toString())
if self.m_notificationDesc.isValid():
#print("notificationCharacteristic")
#print(bytearray([1,0]))
self.m_service.writeDescriptor(self.m_notificationDesc,
bytearray([1, 0]))
self.heartbeat()
def searchCharacteristic(self):
if self.m_service:
for c in self.m_service.characteristics():
if c.isValid():
if c.properties() & QtBluetooth.QLowEnergyCharacteristic.WriteNoResponse or c.properties() & QtBluetooth.QLowEnergyCharacteristic.Write:
self.m_writeCharacteristic = c
self.update_connected(True)
if c.properties() & QtBluetooth.QLowEnergyCharacteristic.WriteNoResponse:
self.m_writemode=QtBluetooth.QLowEnergyService.WriteWithoutResponse
else:
self.m_writemode=QtBluetooth.QLowEnergyService.WriteWithResponse
self.m_notificationDesc = c.descriptor(QtBluetooth.QBluetoothUuid(QtBluetooth.QBluetoothUuid.ClientCharacteristicConfiguration))
if self.m_notificationDesc.isValid():
self.m_service.descriptorWritten.connect(self.descriptorWrittenSlot)
self.m_service.writeDescriptor(self.m_notificationDesc,self.ENABLE_NOTIFICATION_VALUE)
def onServiceDiscovered(self, _=QtBluetooth.QBluetoothUuid()):
self.statusInfoChanged.emit(
"Service discovered. Waiting for service scan to be done...", True)
def onServiceDiscovered(self, gatt=QtBluetooth.QBluetoothUuid()):
self.statusInfoChanged.emit(
"Service discovered. Waiting for service scan to be done...", True)
print(
"Service discovered. Waiting for service scan to be done... GATT: {gatt} "
.format(gatt=gatt))
import signal
import sys
import os
from PyQt5 import QtBluetooth as QtBt
from PyQt5 import QtCore, QtWidgets
service_uuid = '7b183224-9168-443e-a927-7aeea07e8105'
count_uuid = '292bd3d2-14ff-45ed-9343-55d125edb721'
rw_uuid = '56cd7757-5f47-4dcd-a787-07d648956068'
data_uuid = 'fec26ec4-6d71-4442-9f81-55bc21d658d6'
print(QtBt.QBluetoothUuid(rw_uuid))
data_uuid = QtBt.QBluetoothUuid(data_uuid)
service_uuid = QtBt.QBluetoothUuid(service_uuid)
if sys.platform == 'darwin':
os.environ['QT_EVENT_DISPATCHER_CORE_FOUNDATION'] = '1'
class Application(QtWidgets.QApplication):
# class Application(QtCore.QCoreApplication):
def __init__(self, *args, **kwargs):
super().__init__(*args, **kwargs)
# self.le_controller = QLowEnergyController
self.scan_for_devices()
print("before exec")
self.exec()
print("after exec")
def display_status(self):
print(self.agent.isActive(), self.agent.discoveredDevices())
def servicesScanned(self):
self.service = self.central.createServiceObject(QtBluetooth.QBluetoothUuid('{00003125-0000-1000-8000-00805f9b34fb}'), self.central)
self.service.stateChanged.connect(self.detailsDiscovered)
self.service.descriptorWritten.connect(self.countDescript)
self.service.discoverDetails()