def read(headset):
while True:
data = hidapi.hid_read_timeout(
headset['device'], 34,
500) # Have a timeout to make things responsive to interrupts
if len(data) > 0:
yield data
def read_non_windows(source, new_format=False):
"""
Read from Emotiv hid device.
:param source: Emotiv hid device
:param new_format: Read more data?
:return: Next encrypted packet from Emotiv device.
"""
# Doesn't seem to matter how big we make the buffer 32 returned every time, 33 for other platforms
# Set timeout for 1 second, to help with thread shutdown.
if new_format:
data = validate_data(hidapi.hid_read_timeout(source, 64, 1000),
new_format)
else:
data = validate_data(hidapi.hid_read_timeout(source, 34, 1000),
new_format)
if data is not None:
return ''.join(map(chr, data[1:]))
def rx(self, handle, numBytes=0x10):
in_data = bytes()
while True:
ret = hidapi.hid_read_timeout(handle, numBytes, 1000)
if len(ret) == 0:
break
in_data += ret
return in_data
def read_non_windows(source):
"""
Read from Emotiv hid device.
:param source: Emotiv hid device
:return: Next encrypted packet from Emotiv device.
"""
# Doesn't seem to matter how big we make the buffer 32 returned every time, 33 for other platforms
# Set timeout for 1 second, to help with thread shutdown.
data = validate_data(hidapi.hid_read_timeout(source, 34, 1000))
if data is not None:
return ''.join(map(chr, data[1:]))
def cor_nb(self, timeout=100) -> bool:
"""
[RX] Detects if there's a signal from the Radio.
Non-blocking, returns after a timeout even if there's no signal from
the Radio.
"""
cor_status: bool = False
hid_read = hidapi.hid_read_timeout(self.hid_device, roip.READ_SIZE,
timeout)
self._logger.debug('read="%s"', hid_read)
if roip.COR_START in hid_read:
cor_status = True
elif roip.COR_STOP in hid_read:
cor_status = False
self._logger.debug('cor_status="%s"', cor_status)
return cor_status
def run(self):
while not self.finish:
line = hidapi.hid_read_timeout(self.device, 32, 3000)
if not len(line):
continue
fields = [c for c in line]
if fields[0] == 0xaa:
length = fields[1]
message_id = fields[2]
if message_id in self.pending_requests:
deferred = self.pending_requests[message_id]
deferred.resolve(fields[3:length + 2])
del self.pending_requests[message_id]
else:
self.unknown_message(line)
elif fields[0] == 0xab:
self.notifyObservers()
else:
self.unknown_message(line)
def read(headset):
while True:
data = hidapi.hid_read_timeout(headset['device'], 34, 500) # Have a timeout to make things responsive to interrupts
if len(data) > 0:
yield data
def rx(handle, numBytes=0x10):
return hidapi.hid_read_timeout(handle, numBytes, 1000)