def _from_data(self, data):
buffer = ByteBuffer(data[5:])
# record key bytes
self._common_record_key(buffer.pop_slice(3))
# record body bytes
self._entity(buffer.pop_slice(2))
self.sensor_initialization = buffer.pop_unsigned_int(1)
self.capabilities = buffer.pop_unsigned_int(1)
self.sensor_type_code = buffer.pop_unsigned_int(1)
self.event_reading_type_code = buffer.pop_unsigned_int(1)
self.assertion_mask = buffer.pop_unsigned_int(2)
self.deassertion_mask = buffer.pop_unsigned_int(2)
self.discrete_reading_mask = buffer.pop_unsigned_int(2)
self.units_1 = buffer.pop_unsigned_int(1)
self.units_2 = buffer.pop_unsigned_int(1)
self.units_3 = buffer.pop_unsigned_int(1)
self.record_sharing = buffer.pop_unsigned_int(2)
self.positive_going_hysteresis = buffer.pop_unsigned_int(1)
self.negative_going_hysteresis = buffer.pop_unsigned_int(1)
self.reserved = buffer.pop_unsigned_int(3)
self.oem = buffer.pop_unsigned_int(1)
self.device_id_string_type_length = buffer.pop_unsigned_int(1)
self.device_id_string = buffer.tostring()
def _from_data(self, data):
buffer = ByteBuffer(data[5:])
# record key bytes
self._common_record_key(buffer.pop_slice(3))
# record body bytes
self._entity(buffer.pop_slice(2))
self.sensor_type = buffer.pop_unsigned_int(1)
self.event_reading_type_code = buffer.pop_unsigned_int(1)
self.record_sharing = buffer.pop_unsigned_int(2)
self.reserved = buffer.pop_unsigned_int(1)
self.oem = buffer.pop_unsigned_int(1)
self.device_id_string_type_length = buffer.pop_unsigned_int(1)
self.device_id_string = buffer.tostring()
def test_bytebuffer_pop_slice():
buf = ByteBuffer(b'\x30\x31\x32\x33')
cut = buf.pop_slice(1)
eq_(buf.tostring(), b'123')
eq_(cut.tostring(), b'0')
buf = ByteBuffer(b'\x30\x31\x32\x33')
cut = buf.pop_slice(2)
eq_(buf.tostring(), b'23')
eq_(cut.tostring(), b'01')
buf = ByteBuffer(b'\x30\x31\x32\x33')
cut = buf.pop_slice(3)
eq_(buf.tostring(), b'3')
eq_(cut.tostring(), b'012')
buf = ByteBuffer(b'\x30\x31\x32\x33')
cut = buf.pop_slice(4)
eq_(buf.tostring(), b'')
eq_(cut.tostring(), b'0123')
def _from_data(self, data):
buffer = ByteBuffer(data[5:])
self.device_slave_address = buffer.pop_unsigned_int(1) >> 1
self.channel_number = buffer.pop_unsigned_int(1) & 0xf
self.power_state_notification = buffer.pop_unsigned_int(1)
self.global_initialization = 0
self.device_capabilities = buffer.pop_unsigned_int(1)
self.reserved = buffer.pop_unsigned_int(3)
self._entity(buffer.pop_slice(2))
self.oem = buffer.pop_unsigned_int(1)
self.device_id_string_type_length = buffer.pop_unsigned_int(1)
self.device_id_string = buffer.tostring()
def _from_data(self, data):
buffer = ByteBuffer(data[5:])
self.device_access_address = buffer.pop_unsigned_int(1) >> 1
self.fru_device_id = buffer.pop_unsigned_int(1)
self.logical_physical = buffer.pop_unsigned_int(1)
self.channel_number = buffer.pop_unsigned_int(1)
self.reserved = buffer.pop_unsigned_int(1)
self.device_type = buffer.pop_unsigned_int(1)
self.device_type_modifier= buffer.pop_unsigned_int(1)
self._entity(buffer.pop_slice(2))
self.oem = buffer.pop_unsigned_int(1)
self.device_id_string_type_length = buffer.pop_unsigned_int(1)
self.device_id_string = buffer.tostring()
def test_bytebuffer_pop_slice_error():
buf = ByteBuffer(b'\x30\x31\x32\x33')
buf.pop_slice(5)
def _from_data(self, data):
buffer = ByteBuffer(data[5:])
# record key bytes
self._common_record_key(buffer.pop_slice(3))
# record body bytes
self._entity(buffer.pop_slice(2))
# byte 11
initialization = buffer.pop_unsigned_int(1)
self.initialization = []
if initialization & 0x40:
self.initialization.append('scanning')
if initialization & 0x20:
self.initialization.append('events')
if initialization & 0x10:
self.initialization.append('thresholds')
if initialization & 0x08:
self.initialization.append('hysteresis')
if initialization & 0x04:
self.initialization.append('type')
if initialization & 0x02:
self.initialization.append('default_event_generation')
if initialization & 0x01:
self.initialization.append('default_scanning')
# byte 12 - sensor capabilities
capabilities = buffer.pop_unsigned_int(1)
self.capabilities = []
# ignore sensor
if capabilities & 0x80:
self.capabilities.append('ignore_sensor')
# sensor auto re-arm support
if capabilities & 0x40:
self.capabilities.append('auto_rearm')
# sensor hysteresis support
HYSTERESIS_MASK = 0x30
HYSTERESIS_IS_NOT_SUPPORTED = 0x00
HYSTERESIS_IS_READABLE = 0x10
HYSTERESIS_IS_READ_AND_SETTABLE = 0x20
HYSTERESIS_IS_FIXED = 0x30
if capabilities & HYSTERESIS_MASK == HYSTERESIS_IS_NOT_SUPPORTED:
self.capabilities.append('hysteresis_not_supported')
elif capabilities & HYSTERESIS_MASK == HYSTERESIS_IS_READABLE:
self.capabilities.append('hysteresis_readable')
elif capabilities & HYSTERESIS_MASK == HYSTERESIS_IS_READ_AND_SETTABLE:
self.capabilities.append('hysteresis_read_and_setable')
elif capabilities & HYSTERESIS_MASK == HYSTERESIS_IS_FIXED:
self.capabilities.append('hysteresis_fixed')
# sensor threshold support
THRESHOLD_MASK = 0x30
THRESHOLD_IS_NOT_SUPPORTED = 0x00
THRESHOLD_IS_READABLE = 0x10
THRESHOLD_IS_READ_AND_SETTABLE = 0x20
THRESHOLD_IS_FIXED = 0x30
if capabilities & THRESHOLD_MASK == THRESHOLD_IS_NOT_SUPPORTED:
self.capabilities.append('threshold_not_supported')
elif capabilities & THRESHOLD_MASK == THRESHOLD_IS_READABLE:
self.capabilities.append('threshold_readable')
elif capabilities & THRESHOLD_MASK == THRESHOLD_IS_READ_AND_SETTABLE:
self.capabilities.append('threshold_read_and_setable')
elif capabilities & THRESHOLD_MASK == THRESHOLD_IS_FIXED:
self.capabilities.append('threshold_fixed')
# sensor event message control support
if (capabilities & 0x03) is 0:
pass
if (capabilities & 0x03) is 1:
pass
if (capabilities & 0x03) is 2:
pass
if (capabilities & 0x03) is 3:
pass
self.sensor_type_code = buffer.pop_unsigned_int(1)
self.event_reading_type_code = buffer.pop_unsigned_int(1)
self.assertion_mask = buffer.pop_unsigned_int(2)
self.deassertion_mask = buffer.pop_unsigned_int(2)
self.discrete_reading_mask = buffer.pop_unsigned_int(2)
# byte 21, 22, 23
units_1 = buffer.pop_unsigned_int(1)
units_2 = buffer.pop_unsigned_int(1)
units_3 = buffer.pop_unsigned_int(1)
self.analog_data_format = (units_1 >> 6) & 0x3
self.rate_unit = (units_1 >> 3) >> 0x7
self.modifier_unit = (units_1 >> 1) & 0x2
self.percentage = units_1 & 0x1
# byte 24
self.linearization = buffer.pop_unsigned_int(1) & 0x7f
# byte 25, 26
m = buffer.pop_unsigned_int(1)
m_tol = buffer.pop_unsigned_int(1)
#self.m = (m & 0xff) | (((m_tol & 0xc0) << 2) | ~0x3ff)
self.m = (m & 0xff) | ((m_tol & 0xc0) << 2)
# NAC: Bug fix. Upstream did not properly account for
# 'M' being a twos complement value.
self.m = self._convert_complement(self.m, 10)
self.tolerance = (m_tol & 0x3f)
# byte 27, 28, 29
b = buffer.pop_unsigned_int(1)
b_acc = buffer.pop_unsigned_int(1)
acc_accexp = buffer.pop_unsigned_int(1)
self.b = (b & 0xff) | ((b_acc & 0xc0) << 2)
self.b = self._convert_complement(self.b, 10)
self.accuracy = (b_acc & 0x3f) | ((acc_accexp & 0xf0) << 4)
self.accuracy_exp = (acc_accexp & 0x0c) >> 2
# byte 30
rexp_bexp = buffer.pop_unsigned_int(1)
self.k2 = (rexp_bexp & 0xf0) >> 4
# convert 2s complement
#if self.k2 & 0x8: # 4bit
# self.k2 = -0x10 + self.k2
self.k2 = self._convert_complement(self.k2, 4)
self.k1 = rexp_bexp & 0x0f
# convert 2s complement
#if self.k1 & 0x8:
# self.k1 = -0x10 + self.k1
self.k1 = self._convert_complement(self.k1, 4)
# byte 31
analog_characteristics = buffer.pop_unsigned_int(1)
self.analog_characteristic = []
if analog_characteristics & 0x01:
self.analog_characteristic.append('nominal_reading')
if analog_characteristics & 0x02:
self.analog_characteristic.append('normal_max')
if analog_characteristics & 0x04:
self.analog_characteristic.append('normal_min')
self.nominal_reading = buffer.pop_unsigned_int(1)
self.normal_maximum = buffer.pop_unsigned_int(1)
self.normal_minimum = buffer.pop_unsigned_int(1)
self.sensor_maximum_reading = buffer.pop_unsigned_int(1)
self.sensor_minimum_reading = buffer.pop_unsigned_int(1)
self.threshold = {}
self.threshold['unr'] = buffer.pop_unsigned_int(1)
self.threshold['ucr'] = buffer.pop_unsigned_int(1)
self.threshold['unc'] = buffer.pop_unsigned_int(1)
self.threshold['lnr'] = buffer.pop_unsigned_int(1)
self.threshold['lcr'] = buffer.pop_unsigned_int(1)
self.threshold['lnc'] = buffer.pop_unsigned_int(1)
self.hysteresis = {}
self.hysteresis['positive_going'] = buffer.pop_unsigned_int(1)
self.hysteresis['negative_going'] = buffer.pop_unsigned_int(1)
self.reserved = buffer.pop_unsigned_int(2)
self.oem = buffer.pop_unsigned_int(1)
self.device_id_string_type_length = buffer.pop_unsigned_int(1)
self.device_id_string = buffer.tostring()
