def test_bit_is_set(self):
r = bit_is_set(0x10, 0x01)
self.assertEqual(r, False)
r = bit_is_set(0x10, 0x10)
self.assertEqual(r, True)
r = bit_is_set(0x05, 0x01)
self.assertEqual(r, True)
r = bit_is_set(0x05, 0x02)
self.assertEqual(r, False)
r = bit_is_set(0x05, 0x04)
self.assertEqual(r, True)
def _read_enabled_sensors(self) -> List[ESensorGroup]:
self._seek(ENABLED_SENSORS_OFFSET)
sensor_dtype = ChannelDataType(size=ENABLED_SENSORS_LEN,
signed=False,
le=True)
sensor_bitfield = sensor_dtype.decode(self._read(ENABLED_SENSORS_LEN))
enabled_sensors = []
for sensor in ESensorGroup:
bit_pos = SensorBitAssignments[sensor]
if bit_is_set(sensor_bitfield, bit_pos):
enabled_sensors += [sensor]
return sort_sensors(enabled_sensors)
def rld_channels(self) -> List[ExGRLDLead]:
rld_byte = self._get_rld_byte()
return [ch for ch in ExGRLDLead if bit_is_set(rld_byte, ch.value)]
def rld_powerdown(self) -> bool:
rld_byte = self._get_rld_byte()
return not bit_is_set(rld_byte, self.RLD_PD_BIT)
def is_ch_powerdown(self, ch_id: int) -> bool:
self.check_ch_id(ch_id)
ch_byte = self._get_ch_byte(ch_id)
return bit_is_set(ch_byte, self.PD_BIT)
def is_sync_master(self) -> bool:
return bit_is_set(self._trial_config, TRIAL_CONFIG_MASTER)
def has_sync(self) -> bool:
return bit_is_set(self._trial_config, TRIAL_CONFIG_SYNC)
def unpack_status_bitfields(self, val):
values = [bit_is_set(val, f) for f in self.STATUS_BITFIELDS]
return values