class Myo(object):
def __init__(self):
self.ble = None
self.connection = None
def connect(self, tty_port = None):
self.safely_disconnect()
self.find_bluetooth_adapter(tty_port)
address = self.find_myo_device()
connection_packet = self.ble.connect(address)
self.connection = multiord(connection_packet.payload)[-1]
self.ble.wait_event(3, 0)
print('Connected.')
is_fw_valid = self.valid_firmware_version()
if is_fw_valid:
device_name = self.read_attribute(0x03)
print('Device name: %s' % device_name.payload[5:])
self.write_attribute(0x1d, b'\x01\x00')
self.write_attribute(0x24, b'\x02\x00')
self.initialize()
else:
raise ValueError('The firmware version must be v1.x or greater.')
def find_bluetooth_adapter(self, tty_port = None):
if tty_port is None:
tty_port = self.find_tty()
if tty_port is None:
raise ValueError('Bluetooth adapter not found!')
self.ble = BLE(tty_port)
def find_tty(self):
for port in comports():
print port
if re.search(r'PID=2458:0*1', port[2]):
return port[0]
return None
def run(self, timeout=None):
if self.connection is not None:
self.ble.receive_packet(timeout)
else:
raise ValueError('Myo device not paired.')
def valid_firmware_version(self):
firmware = self.read_attribute(0x17)
_, _, _, _, major, minor, patch, build = unpack('BHBBHHHH', firmware.payload)
print('Firmware version: %d.%d.%d.%d' % (major, minor, patch, build))
return major > 0
def add_listener(self, listener):
if self.ble is not None:
self.ble.add_listener(listener)
else:
print('Connect function must be called before adding a listener.')
def vibrate(self, duration):
cmd = b'\x03\x01'
if duration == VibrationType.LONG:
cmd = cmd + b'\x03'
elif duration == VibrationType.MEDIUM:
cmd = cmd + b'\x02'
elif duration == VibrationType.SHORT:
cmd = cmd + b'\x01'
else:
cmd = cmd + b'\x00'
self.write_attribute(0x19, cmd)
def initialize(self):
self.write_attribute(0x28, b'\x01\x00')
self.write_attribute(0x19, b'\x01\x03\x01\x01\x00')
self.write_attribute(0x19, b'\x01\x03\x01\x01\x01')
def find_myo_device(self):
print('Find Myo device...')
address = None
self.ble.start_scan()
while True:
packet = self.ble.receive_packet()
if packet.payload.endswith(b'\x06\x42\x48\x12\x4A\x7F\x2C\x48\x47\xB9\xDE\x04\xA9\x01\x00\x06\xD5'):
address = list(multiord(packet.payload[2:8]))
break
self.ble.end_scan()
return address
def write_attribute(self, attribute, value):
if self.connection is not None:
self.ble.write_attribute(self.connection, attribute, value)
def read_attribute(self, attribute):
if self.connection is not None:
return self.ble.read_attribute(self.connection, attribute)
return None
def safely_disconnect(self):
if self.ble is not None:
self.ble.end_scan()
self.ble.disconnect(0)
self.ble.disconnect(1)
self.ble.disconnect(2)
self.disconnect()
def disconnect(self):
if self.connection is not None:
self.ble.disconnect(self.connection)
class Myo(object):
# Initializes ble object and connection
def __init__(self):
self.ble = None
self.connection = None
# Disconnects and then finds bluetooth usb adapter && myo device
def connect(self, tty_port=None):
self.safely_disconnect()
# Finds bluetooth adapter and myo device address
self.find_bluetooth_adapter(tty_port)
address = self.find_myo_device()
print("received address from function")
# Connects ble to myo
connection_packet = self.ble.connect(address)
self.connection = multiord(connection_packet.payload)[-1]
self.ble.wait_event(3, 0)
print("Connected.")
# Validate myo object
is_fw_valid = self.valid_firmware_version()
if is_fw_valid:
device_name = self.read_attribute(0x03)
print("Device name: %s" % device_name.payload[5:])
self.write_attribute(0x1D, b"\x01\x00")
self.write_attribute(0x24, b"\x02\x00")
self.initialize()
else:
raise ValueError("The firmware version must be v1.x or greater.")
# Find Bluetooth adapter
def find_bluetooth_adapter(self, tty_port=None):
if tty_port is None:
tty_port = self.find_tty()
if tty_port is None:
raise ValueError("Bluetooth adapter not found!")
self.ble = BLE(tty_port)
# Helper method to find tty port
def find_tty(self):
for port in comports():
if re.search(r"PID=2458:0*1", port[2]):
return port[0]
return None
# Runs and recieves packet while condition exists
def run(self, timeout=None):
if self.connection is not None:
self.ble.receive_packet(timeout)
else:
raise ValueError("Myo device not paired.")
# Helper method verify firmware version
def valid_firmware_version(self):
# Read firmware attribute
firmware = self.read_attribute(0x17)
_, _, _, _, major, minor, patch, build = unpack("BHBBHHHH", firmware.payload)
print("Firmware version: %d.%d.%d.%d" % (major, minor, patch, build))
return major > 0
# Adds device listener
def add_listener(self, listener):
if self.ble is not None:
self.ble.add_listener(listener)
else:
print("Connect function must be called before adding a listener.")
# Vibrates myo
def vibrate(self, duration):
# initial vibrate UUID
cmd = b"\x03\x01"
# Concatenate vibrate UUID base with Vibration length
if duration == VibrationType.LONG:
cmd = cmd + b"\x03"
elif duration == VibrationType.MEDIUM:
cmd = cmd + b"\x02"
elif duration == VibrationType.SHORT:
cmd = cmd + b"\x01"
else:
cmd = cmd + b"\x00"
# Write vibration attribute
self.write_attribute(0x19, cmd)
# Initialize myo object
def initialize(self):
self.write_attribute(0x28, b"\x01\x00")
self.write_attribute(0x19, b"\x01\x03\x01\x01\x00")
self.write_attribute(0x19, b"\x01\x03\x01\x01\x01")
# Finds myo by connecting with ble object
def find_myo_device(self):
print("Find Myo device...")
address = None
print("before ble startscan")
self.ble.start_scan()
print("after ble startscan")
while True:
packet = self.ble.receive_packet()
print("inside find myo loop")
if packet.payload.endswith(b"\x06\x42\x48\x12\x4A\x7F\x2C\x48\x47\xB9\xDE\x04\xA9\x01\x00\x06\xD5"):
print("package payload found!")
address = list(multiord(packet.payload[2:8]))
print("address found")
break
self.ble.end_scan()
print("returning address")
return address
# Write attributes to myo with attributes and value
def write_attribute(self, attribute, value):
if self.connection is not None:
self.ble.write_attribute(self.connection, attribute, value)
# Read attribute from myo
def read_attribute(self, attribute):
if self.connection is not None:
return self.ble.read_attribute(self.connection, attribute)
return None
# Graceful disconnect by removing ble object and disconnecting
def safely_disconnect(self):
if self.ble is not None:
self.ble.end_scan()
self.ble.disconnect(0)
self.ble.disconnect(1)
self.ble.disconnect(2)
self.disconnect()
# Disconnects current myo object
def disconnect(self):
if self.connection is not None:
self.ble.disconnect(self.connection)
class Myo(object):
def __init__(self):
self.ble = None
self.connection = None
def connect(self, tty_port=None):
self.safely_disconnect()
self.find_bluetooth_adapter(tty_port)
address = self.find_myo_device()
try:
connection_packet = self.ble.connect(address)
#print(str(connection_packet))
self.connection = multiord(connection_packet.payload) #[-1]
self.ble.wait_event(3, 0)
print('Connected.')
except Exception as e:
self.safely_disconnect()
raise
is_fw_valid = self.valid_firmware_version()
if is_fw_valid:
device_name = self.read_attribute(0x03)
print('Device name: %s' % device_name.payload[5:])
self.write_attribute(0x1d, b'\x01\x00')
self.write_attribute(0x24, b'\x02\x00')
self.initialize()
else:
raise ValueError('The firmware version must be v1.x or greater.')
def find_bluetooth_adapter(self, tty_port=None):
if tty_port is None:
tty_port = self.find_tty()
if tty_port is None:
raise ValueError('Bluetooth adapter not found!')
self.ble = BLE(tty_port)
def find_tty(self):
for port in comports():
for p in port:
print(p)
if re.search(r'PID=2458:0*1', port[2]):
return port[0]
print('No')
return None
def run(self, timeout=None):
if self.connection is not None:
self.ble.receive_packet(timeout)
return self.ble.getData()
else:
raise ValueError('Myo device not paired.')
def valid_firmware_version(self):
firmware = self.read_attribute(0x17)
_, _, _, _, major, minor, patch, build = unpack(
'BHBBHHHH', firmware.payload)
print('Firmware version: %d.%d.%d.%d' % (major, minor, patch, build))
return major > 0
def add_listener(self, listener):
if self.ble is not None:
self.ble.add_listener(listener)
else:
print('Connect function must be called before adding a listener.')
def vibrate(self, duration):
cmd = b'\x03\x01'
if duration == VibrationType.LONG:
cmd = cmd + b'\x03'
elif duration == VibrationType.MEDIUM:
cmd = cmd + b'\x02'
elif duration == VibrationType.SHORT:
cmd = cmd + b'\x01'
else:
cmd = cmd + b'\x00'
self.write_attribute(0x19, cmd)
def initialize(self):
self.write_attribute(0x28, b'\x01\x00')
self.write_attribute(0x19, b'\x01\x03\x01\x01\x00')
self.write_attribute(0x19, b'\x01\x03\x01\x01\x01')
def find_myo_device(self):
print('Find Myo device...')
address = None
self.ble.start_scan()
print('Scanning...')
while True:
packet = self.ble.receive_packet()
print(packet.payload.decode('utf-8'))
packet.payload = packet.payload.decode('utf-8')
if packet.payload.endswith(
'\x06\x42\x48\x12\x4A\x7F\x2C\x48\x47\xB9\xDE\x04\xA9\x01\x00\x06\xD5'
):
#packet.payload = str.encode(packet.payload)
print(packet.payload)
address = list(multiord(packet.payload[2:8]))
break
print(address)
self.ble.end_scan()
return address
def write_attribute(self, attribute, value):
if self.connection is not None:
self.ble.write_attribute(self.connection, attribute, value)
def read_attribute(self, attribute):
if self.connection is not None:
return self.ble.read_attribute(self.connection, attribute)
return None
def safely_disconnect(self):
if self.ble is not None:
self.ble.end_scan()
self.ble.disconnect(0)
self.ble.disconnect(1)
self.ble.disconnect(2)
self.disconnect()
def disconnect(self):
if self.connection is not None:
self.ble.disconnect(self.connection)
class Myo(object):
def __init__(self):
self.ble = None
self.connection = None
def connect(self, tty_port=None):
self.safely_disconnect()
self.find_bluetooth_adapter(tty_port)
address = self.find_myo_device()
connection_packet = self.ble.connect(address)
self.connection = multiord(connection_packet.payload)[-1]
self.ble.wait_event(3, 0)
print('# BAGLANTI YAPILDI\n#')
is_fw_valid = self.valid_firmware_version()
if is_fw_valid:
device_name = self.read_attribute(0x03)
print('# Cihaz adi : %s\n#' % device_name.payload[5:])
self.write_attribute(0x1d, b'\x01\x00')
self.write_attribute(0x24, b'\x02\x00')
self.initialize()
else:
raise ValueError(
'# Myo Armband yazilimi 1.x veya uzeri olmali.\n#')
def find_bluetooth_adapter(self, tty_port=None):
if tty_port is None:
tty_port = self.find_tty()
if tty_port is None:
raise ValueError('# Bluetooth adaptoru bulunamadi!\n#')
self.ble = BLE(tty_port)
def find_tty(self):
for port in comports():
if re.search(r'PID=2458:0*1', port[2]):
return port[0]
return None
def run(self, timeout=None):
if self.connection is not None:
self.ble.receive_packet(timeout)
else:
raise ValueError('# Myo cihazi eslesemedi.\n')
def valid_firmware_version(self):
firmware = self.read_attribute(0x17)
_, _, _, _, major, minor, patch, build = unpack(
'BHBBHHHH', firmware.payload)
print('# Yazilim surumu: %d.%d.%d.%d\n#' %
(major, minor, patch, build))
return major > 0
def add_listener(self, listener):
if self.ble is not None:
self.ble.add_listener(listener)
else:
print(
'# Connect function must be called before adding a listener.\n'
)
def vibrate(self, duration):
cmd = b'\x03\x01'
if duration == VibrationType.LONG:
cmd = cmd + b'\x03'
elif duration == VibrationType.MEDIUM:
cmd = cmd + b'\x02'
elif duration == VibrationType.SHORT:
cmd = cmd + b'\x01'
else:
cmd = cmd + b'\x00'
self.write_attribute(0x19, cmd)
def initialize(self):
self.write_attribute(0x28, b'\x01\x00')
self.write_attribute(0x19, b'\x01\x03\x01\x01\x00')
self.write_attribute(0x19, b'\x01\x03\x01\x01\x01')
def find_myo_device(self):
print('# Myo cihazi araniyor...\n#')
address = None
self.ble.start_scan()
while True:
packet = self.ble.receive_packet()
if packet.payload.endswith(
b'\x06\x42\x48\x12\x4A\x7F\x2C\x48\x47\xB9\xDE\x04\xA9\x01\x00\x06\xD5'
):
address = list(multiord(packet.payload[2:8]))
break
self.ble.end_scan()
return address
def write_attribute(self, attribute, value):
if self.connection is not None:
self.ble.write_attribute(self.connection, attribute, value)
def read_attribute(self, attribute):
if self.connection is not None:
return self.ble.read_attribute(self.connection, attribute)
return None
def safely_disconnect(self):
if self.ble is not None:
self.ble.end_scan()
self.ble.disconnect(0)
self.ble.disconnect(1)
self.ble.disconnect(2)
self.disconnect()
def disconnect(self):
if self.connection is not None:
self.ble.disconnect(self.connection)
