def adapter_connect(self):
LOGGER.debug('<')
(num, ports, unique_ids) = aa.aa_find_devices_ext(16, 16)
del unique_ids
if num == 0:
raise EvaluationKitException(
'Aardvark i2c/spi host adapter not connected.')
elif num == -2:
raise EvaluationKitException(
'Aardvark i2c/spi host adapter never connected.')
else:
self._ports = ports[0]
if num > 1:
LOGGER.warning(
'More that 1 Aardvark ports found. Selecting 1st one.')
# with "port_index" it is possible to support multiple simultanously connected Aardvarks
self._handle = aa.aa_open(self.bus1config['port_index'])
if self._handle < 0:
if self._handle == -7:
raise EvaluationKitException(
'bus_aadvark_i2c.open failed with error code %d (Aardvark disconnected)'
% self._handle)
else:
raise EvaluationKitException(
'bus_aadvark_i2c.open failed with error code %d' %
self._handle)
def _define_request_message_v1(self,
sensor=None,
fmt=None,
hdr=None,
reg=None,
pin_index=None,
timer=None):
assert not None in [fmt, hdr, reg], 'All values must be defined'
if timer is not None:
raise EvaluationKitException(
'Timer not supported in this firmware version')
# NOTE : =None needed due API change and to prevent API break
if sensor is not None:
assert pin_index in sensor.int_pins, 'Sensor does not have interrput pin %d.' % pin_index
message = RequestMessageDefinition(sensor, fmt, hdr, reg,
pin_index)
else:
assert pin_index in self.sensor.int_pins, 'Sensor does not have interrput pin %d.' % pin_index
message = RequestMessageDefinition(self.sensor, fmt, hdr, reg,
pin_index)
self.macro_id_list.append(message)
self._prepare_request_message_v1(message)
def get_com_port(self):
"""Autodetect a connected serial device and return the device's name.
Raises:
EvaluationKitException: Autodetection found no devices.
Returns:
str: The name of the detected serial device (e.g. 'COM2').
"""
matching_ports = []
LOGGER.debug('Listing serial ports.')
for port in list_ports.comports():
LOGGER.debug(port.name)
LOGGER.debug(port.description)
LOGGER.debug(port.vid)
LOGGER.debug(port.pid)
# matcing port found based in vid and pid?
if (port.vid, port.pid) in self._valid_vid_pid_pairs:
matching_ports.append(port.device)
if not matching_ports:
raise EvaluationKitException('Automatic search found no devices')
return matching_ports
def get_com_port(self):
"""Autodetect a connected serial device and return the device's name.
Raises:
EvaluationKitException: Autodetection found no devices.
Returns:
str: The name of the detected serial device (e.g. 'COM2').
"""
# TODO 3 check also pid and vid
matching_ports = []
LOGGER.debug('Listing serial ports.')
for port in list_ports.comports():
LOGGER.debug(port.name)
LOGGER.debug(port.description)
LOGGER.debug(port.vid)
LOGGER.debug(port.pid)
# matcing port found based in vid and pid?
if self.bus2_configuration[
'vid'] == port.vid and self.bus2_configuration[
'pid'] == port.pid:
matching_ports.append(port.device)
continue
if not matching_ports:
raise EvaluationKitException('Automatic search found no devices')
return matching_ports
def adapter_write_sensor_register_spi(self, _, chip_select, register, values):
# TODO 3 how to handle chip select
# TODO 3 "target" is not in use
LOGGER.debug('<')
if register is None: # Pure SPI command write without address
# TODO 3 test this
data_out = array('B', [values])
length = 1 ## TODO 3 support for multi byte write?
elif isinstance(values, int):
length = 2
data_out = array('B', [register, values])
elif isinstance(values, (list, tuple)):
values = list(values)
length = 1 + len(values)
data_out = array('B', [register] + values)
else:
raise ProtocolBus1Exception("unsupported value")
res, dummy_data = aa.aa_spi_write(self._handle, data_out, 0) # write the reg.address and data
if res != length:
raise EvaluationKitException('Unable write to SPI slave')
LOGGER.debug('>')
def read_drdy(self, channel=CH_ACC): # separately followed
""" Read data ready register. """
ins1 = self.read_register(r.KMX62_INS1)[0]
if channel & CH_ACC > 0:
return ins1 & b.KMX62_INS1_DRDY_A_AVAILABLE != 0
if channel & CH_MAG > 0:
return ins1 & b.KMX62_INS1_DRDY_M_AVAILABLE != 0
raise EvaluationKitException('Invalid channel number %d' % channel)
def __init__(self, bus2_configuration=None):
KxPySerial.__init__(self, bus2_configuration)
self.baudrate = self.bus2_configuration['baud_rate']
hw_ids = self.bus2_configuration.get('hw_id')
if hw_ids is not None:
self._valid_vid_pid_pairs = [(d['vid'], d['pid']) for d in hw_ids]
else:
raise EvaluationKitException(
'No hardware IDs found in board config')
def __init__(self, sensor=None):
# FIXME: Add support for protocol 1 when using stream_config_utils.py for generating streams
# if sensor not defined here then must be defined on define_request_message()
# TODO 2 does not work if sensor not defined here, make test for this use case
self.sensor = sensor
self.macro_id_list = [
] # list of all data streams requested. Integer list.
self.msg_ind_dict = {} # {macro_id_list:RequestMessageDefinition}
self.adapter = self.sensor.connection_manager.kx_adapter
if self.adapter.stream_support is False:
raise EvaluationKitException(
"Adapter %s does not support data streaming." % self.adapter)
# map methods based on protocol version
if self.adapter.engine.version == 2:
self._start_streaming = self._start_streaming_v2
self._stop_streaming = self._stop_streaming_v2
self.define_request_message = self._define_request_message_v2
elif self.adapter.engine.version == 1:
self._start_streaming = self._start_streaming_v1
self._stop_streaming = self._stop_streaming_v1
self.define_request_message = self._define_request_message_v1
else:
raise EvaluationKitException(
'Unsupported protocol engine version.')
protocol = self.adapter.protocol # kx_protocol or kx_protocol_2 module
# TODO 2 move to protocol
self.sense_dict = {
EVKIT_GPIO_PIN_SENSE_HIGH: protocol.EVKIT_GPIO_PIN_SENSE_HIGH,
EVKIT_GPIO_PIN_SENSE_LOW: protocol.EVKIT_GPIO_PIN_SENSE_LOW
}
# TODO 2 move to protocol
self.pullup_dict = {
EVKIT_GPIO_PIN_NOPULL: protocol.EVKIT_GPIO_PIN_NOPULL,
EVKIT_GPIO_PIN_PULLDOWN: protocol.EVKIT_GPIO_PIN_PULLDOWN,
EVKIT_GPIO_PIN_PULLUP: protocol.EVKIT_GPIO_PIN_PULLUP
}
def __init__(self, sensor=None, stream_type='continuous'):
self.stream_type = stream_type
# if sensor not defined here then must be defined on define_request_message()
self.sensor = sensor
self.macro_id_list = [
] # list of all data streams requested. Integer list.
self.msg_ind_dict = {} # {macro_id_list:RequestMessageDefinition}
self.adapter = self.sensor.connection_manager.kx_adapter
if self.adapter.stream_support is False:
raise EvaluationKitException(
"\nSelected board does not support streaming." +
"\nPlease edit rokix_settings.cfg and select another board or set 'stream_mode = FALSE'"
)
# map methods based on protocol version
if self.adapter.engine.version == 2:
self._start_streaming = self._start_streaming_v2
self._stop_streaming = self._stop_streaming_v2
self.define_request_message = self._define_request_message_v2
elif self.adapter.engine.version == 1:
self._start_streaming = self._start_streaming_v1
self._stop_streaming = self._stop_streaming_v1
self.define_request_message = self._define_request_message_v1
else:
raise EvaluationKitException(
'Unsupported protocol engine version.')
protocol = self.adapter.protocol # kx_protocol or kx_protocol_2 module
self.sense_dict = {
EVKIT_GPIO_PIN_SENSE_HIGH: protocol.EVKIT_GPIO_PIN_SENSE_HIGH,
EVKIT_GPIO_PIN_SENSE_LOW: protocol.EVKIT_GPIO_PIN_SENSE_LOW
}
self.pullup_dict = {
EVKIT_GPIO_PIN_NOPULL: protocol.EVKIT_GPIO_PIN_NOPULL,
EVKIT_GPIO_PIN_PULLDOWN: protocol.EVKIT_GPIO_PIN_PULLDOWN,
EVKIT_GPIO_PIN_PULLUP: protocol.EVKIT_GPIO_PIN_PULLUP
}
def __init__(self, sensor, fmt, hdr, reg=None, pin_index=None, timer=None):
"""Container for data needed for creating macro request message and parsing indication messages
Args:
sensor(SensorDriver)
fmt(string): formatter for struct.unpack how to interpret binary data
hdr(string): Header row for log, dimensions separated with ! mark.
reg(int): register number where reading starts.
pin_index(int): Sensor's interrupt line number.
timer(float): delay in seconds when using timer based data stream
Allowed parameter combinations:
reg+pin_index: read register when interrupt triggers
reg+timer: read register when timer triggers
timer+gpio_pin: read ADC when timer triggers
"""
# TODO 3 is it needed to have "read ADC when interrupt triggers"?
if pin_index is not None:
self.gpio_pin = sensor.connection_manager.get_physical_pin_for_sensor(
sensor, pin_index)
if isinstance(pin_index, int):
pin_index = [pin_index] # change to list for value checking
for _pin in pin_index:
if _pin not in sensor.int_pins:
raise EvaluationKitException(
'Request logical interrupt pin {} not supported in selected sensor. Supported pins are {}'
.format(pin_index, sensor.int_pins))
if timer is not None and reg is not None:
raise EvaluationKitException(
'timer cannot ber used together with gpio interrupt')
self.msg_fmt = fmt
self.msg_hdr = hdr
self.sensor = sensor
self.reg = reg
self.msg_size = struct.calcsize(self.msg_fmt)
self.msg_req = [] # protocol v1 messages generated by this request
self.timer = timer
self.axis_mapper = AxisMapper(channel_header=hdr,
axis_map=sensor.resource[CFG_AXIS_MAP])
def get_pin_index():
"Returns 1 if drdy_operation == 'ADAPTER_GPIO1_INT' and 2 if it is ADAPTER_GPIO2_INT "
drdy = evkit_config.get('generic', 'drdy_operation')
if drdy == 'ADAPTER_GPIO1_INT':
pin_index = 1
elif drdy == 'ADAPTER_GPIO2_INT':
pin_index = 2
else:
raise EvaluationKitException(
'drdy_operation is configured to %s. Please select "ADAPTER_GPIO1_INT" or "ADAPTER_GPIO2_INT" instead'\
% drdy)
return pin_index
def adapter_write_sensor_register_i2c(self, _, sad, register, values):
LOGGER.debug('<')
if isinstance(values, int):
length = 2
data_out = array('B', [register, values])
elif isinstance(values, (list, tuple)):
values = list(values)
length = 1 + len(values)
data_out = array('B', [register] + values)
# TODO 3 test below option
elif register is None:
# special case : write without dedicated register address
length = len(values)
data_out = array('B', [values])
else:
raise EvaluationKitException('Datatype "%s" not supported.' % type(values))
res = aa.aa_i2c_write(self._handle, sad, aa.AA_I2C_NO_FLAGS, data_out)
if res != length:
# TODO 3 add sensor name to error message
raise EvaluationKitException('Unable write to I2C slave at address 0x%x' % sad)
def get_other_pin_index():
"Returns 1 if other_function_mode == 'ADAPTER_GPIO1_INT' and 2 if it is ADAPTER_GPIO2_INT "
other_f = evkit_config.other_function_mode
if other_f == ADAPTER_GPIO1_INT:
pin_index = 1
elif other_f == ADAPTER_GPIO2_INT:
pin_index = 2
elif other_f == TIMER_POLL:
pin_index = None
else:
raise EvaluationKitException(
'other_function_mode is configured to %s. Please select "ADAPTER_GPIO1_INT" or "ADAPTER_GPIO2_INT" instead'
% other_f)
return pin_index
def __init__(self, bus1config):
LOGGER.debug('>init')
if not AARDVARK_FOUND:
raise EvaluationKitException(
'Aardvark libraries not found/installed.')
KxAdapterBase.__init__(self)
self.fw_protocol_version = "2.0"
self.bus1config = bus1config
self._adapter_configured = None # None / BUS1_I2C / BUS1_SPI
self.bus_gpio_list = [1, 2]
self._has_gpio = True
self._handle = None
self._bitrate = None
# I2C related settings
self._aa_target_power = {
'AA_TARGET_POWER_BOTH': aa.AA_TARGET_POWER_BOTH,
'AA_TARGET_POWER_NONE': aa.AA_TARGET_POWER_NONE
}
self._aa_i2c_pullup = {
'AA_I2C_PULLUP_BOTH': aa.AA_I2C_PULLUP_BOTH,
'AA_I2C_PULLUP_NONE': aa.AA_I2C_PULLUP_NONE,
}
# SPI related settings
self._polarity = {
'RISING_FALLING': aa.AA_SPI_POL_RISING_FALLING,
'FALLING_RISING': aa.AA_SPI_POL_FALLING_RISING
}
self._phase = {
'SETUP_SAMPLE': aa.AA_SPI_PHASE_SETUP_SAMPLE,
'SAMPLE_SETUP': aa.AA_SPI_PHASE_SAMPLE_SETUP
}
self._ss_polarity = {
'ACTIVE_HIGH': aa.AA_SPI_SS_ACTIVE_HIGH,
'ACTIVE_LOW': aa.AA_SPI_SS_ACTIVE_LOW
}
self._bitorder = {
'MSB': aa.AA_SPI_BITORDER_MSB,
'LSB': aa.AA_SPI_BITORDER_LSB
}
self.adapter_connect()
LOGGER.debug('<init')
def adapter_read_sensor_register_spi(self, _, chip_select, register, length=1):
if self._adapter_configured is None:
self.configure_spi()
assert self._adapter_configured == BUS1_SPI
# TODO 3 how to handle chip select
# TODO 3 "target" can be used for selecting between i2c and spi but currently no needs for it.
data_in = aa.array_u08(1 + length)
data_out = array('B', [register] + [0] * length)
try:
(count, data_in) = aa.aa_spi_write(self._handle, data_out, data_in) # write address
except TypeError:
raise EvaluationKitException('Cannot read sensor from SPI bus.')
#LOGGER.debug( 'count,length %d %d ' %(count,length))
assert count == length + 1
return data_in[1:]
def stream_config_check(sensor_driver):
# sensor is not yet assigned to board so not possible to check does the board support streaming
# if sensor_driver.connection_manager.kx_adapter.engine is None:
# raise EvaluationKitException('Selected board does not support data streaming.')
# TODO 2 consider improving logic of stream_config_check
"Verify that needed settings are in place when streaming mode is used"
if sensor_driver.sensor_type in [
SENSOR_TYPE_DIGITAL_1D, SENSOR_TYPE_DIGITAL_2D,
SENSOR_TYPE_DIGITAL_3D
]:
if (evkit_config.get('generic', 'drdy_operation')
not in ['ADAPTER_GPIO1_INT', 'ADAPTER_GPIO2_INT']):
raise EvaluationKitException(
'Stream mode requires GPIO drdy_operation in settings.cfg')
return True
def adapter_read_sensor_register_spi(self,
_,
chip_select,
register,
length=1):
if self._adapter_configured is None:
self.configure_spi()
assert self._adapter_configured == BUS1_SPI
data_in = aa.array_u08(1 + length)
data_out = array('B', [register] + [0] * length)
try:
(count, data_in) = aa.aa_spi_write(self._handle, data_out,
data_in) # write address
except TypeError:
raise EvaluationKitException('Cannot read sensor from SPI bus.')
#LOGGER.debug( 'count,length %d %d ' %(count,length))
assert count == length + 1
return data_in[1:]
def app_main(odr=25):
args = get_datalogger_args()
if args.odr:
odr = args.odr
sensor = KMX62Driver()
connection_manager = ConnectionManager()
connection_manager.add_sensor(sensor)
enable_data_logging(sensor, odr=odr)
if args.stream_mode:
read_with_stream(sensor, args.loop)
elif args.timer_stream_mode:
raise EvaluationKitException('Timer polling not yet implemented')
else:
read_with_polling(sensor, args.loop)
sensor.set_power_off()
connection_manager.disconnect()
def __init__(self):
# TODO 2 find a way to check this which works on both py2 and py3
#assert self.read_data.__func__ == SensorDriver.read_data.__func__,\
#'read_data() must not be overriden. Implement sensor spesific data reading to __read_data().'
self.connected = False
self.connection_manager = None
self.resource = None
self.supported_connectivity = None
self.name = 'undefined'
self.channel_header = 'ax!ay!az'
self._registers = {}
self._dump_range = [0, 2]
self.WHOAMI = None
self.poll_delay_s = evkit_config.getint('generic',
'drdy_poll_interval') / 1000.
self.sensor_type = SENSOR_TYPE_DIGITAL_3D
self.axis_mapper = None
self.selected_connectivity = None
self._drdy_LUT = {
'INTERVAL_READ': self._poll_delay,
'DRDY_REG_POLL': self._poll_drdy_register,
'ADAPTER_GPIO1_INT': self._poll_gpio_line1,
'ADAPTER_GPIO2_INT': self._poll_gpio_line2
}
try:
drdy_operation = evkit_config.get('generic', 'drdy_operation')
LOGGER.debug('Using "{}" for data ready.'.format(drdy_operation))
self.drdy_function = self._drdy_LUT[evkit_config.get(
'generic', 'drdy_operation')]
except KeyError:
raise EvaluationKitException(
'Missing or invalid "drdy_operation" definition in settings.cfg'
)
def selftest(self, ttype):
raise EvaluationKitException('Not implemented for this adapter.')
def reset(self):
raise EvaluationKitException('Not implemented for this adapter.')
def configure_pin(self, gpio_pin, direction, drivemode, connect_input=False):
raise EvaluationKitException('Not implemented for this adapter.')
def configure_pin_as_input(self, gpio_pin, drivemode):
raise EvaluationKitException('Not implemented for this adapter.')
def _define_request_message_v2(self,
sensor=None,
fmt=None,
hdr=None,
reg=None,
pin_index=None,
timer=None):
"""Construct stream request message
Args:
sensor_driver(SensorDriver): sensor driver instance in case of multiple sensors in use. Defaults to None.
NOTE : In one sensor case the sensor driver instance is given in constructor.
fmt(string): format definition how received binary data is interpreted as struct module format string.
hdr(string): sensor data log file header, channel names separated with ! mark.
Example :ch!ax!ay!az
reg(int): register number from reading starts. NOTE: fmt defines how many bytes are read.
pin_index(int): sensor's logical interrupt pin which triggers register reading.
pin_index(list): list of sensor's logical gpio pins from read ADC values
timer(float): interval value if using timer based polling. When timer is set then pin_index must be unset and vice versa.
"""
LOGGER.debug('>')
assert not None in [fmt, hdr], 'Mandatory values not defined'
if sensor is None:
sensor = self.sensor
if timer is None:
assert pin_index in sensor.int_pins, 'Sensor does not have interrput pin %d.' % pin_index
LOGGER.debug('Stream request for {}'.format(self.sensor.name))
message = RequestMessageDefinition(sensor, fmt, hdr, reg, pin_index,
timer)
# (u'spi', {u'cs': 0, u'gpio1': 0, u'target': 1, u'name': u'KX122'})
# (u'i2c', {u'gpio1': 0, u'SAD': 31, u'target': 4, u'name': u'KX122'})
bus1_name = sensor.selected_connectivity
protocol = self.adapter.protocol
#
# Create macro request
#
if message.reg is None:
# FOR ADC reading?
LOGGER.debug('EVKIT_MACRO_TYPE_POLL {}'.format(message.gpio_pin))
# TODO 2 determine timer scale dynamically
req = protocol.create_macro_req(
trigger_type=protocol.EVKIT_MACRO_TYPE_POLL,
timer_scale=protocol.EVKIT_TIME_SCALE_MS,
timer_value=int(message.timer * 1000))
elif message.timer is not None:
# FOR timer polling digital bus
# TODO 2 combine these two?
LOGGER.debug('EVKIT_MACRO_TYPE_POLL {}seconds'.format(
message.timer))
# TODO 2 determine timer scale dynamically
req = protocol.create_macro_req(
trigger_type=protocol.EVKIT_MACRO_TYPE_POLL,
timer_scale=protocol.EVKIT_TIME_SCALE_MS,
timer_value=int(message.timer * 1000))
elif message.gpio_pin is not None:
LOGGER.debug('EVKIT_MACRO_TYPE_INTR %s' % message.gpio_pin)
req = protocol.create_macro_req(
trigger_type=protocol.EVKIT_MACRO_TYPE_INTR,
gpio_pin=message.gpio_pin,
gpio_sense=self.sense_dict[sensor.resource[CFG_POLARITY]],
gpio_pullup=self.pullup_dict[sensor.resource[CFG_PULLUP]])
# TODO 2 update _pin_mode_cache.
else:
raise EvaluationKitException('No rule to make request.')
#
# send macro request and store macro
#
self.adapter.send_message(req)
_, macro_id = self.adapter.receive_message(
waif_for_message=protocol.EVKIT_MSG_CREATE_MACRO_RESP
) # message_type, macro_id
self.macro_id_list.append(macro_id)
self.msg_ind_dict[macro_id] = message
message.msg_req.append(req)
LOGGER.debug('Macro created with id %d', macro_id)
#
# Defene what action is done when macro triggers
#
if bus1_name == BUS1_I2C:
LOGGER.debug("EVKIT_MACRO_ACTION_READ over i2c")
req = protocol.add_macro_action_req(
macro_id,
action=protocol.EVKIT_MACRO_ACTION_READ,
target=sensor.resource[CFG_TARGET],
identifier=sensor.resource[CFG_SAD],
append=True,
start_register=message.reg,
bytes_to_read=message.msg_size - 1)
LOGGER.debug(req)
self.adapter.send_message(req)
self.adapter.receive_message(
waif_for_message=protocol.EVKIT_MSG_ADD_MACRO_ACTION_RESP)
message.msg_req.append(req)
elif bus1_name == BUS1_SPI:
LOGGER.debug("EVKIT_MACRO_ACTION_READ over spi")
assert sensor.resource[CFG_SPI_PROTOCOL] in [0, 1]
if sensor.resource[CFG_SPI_PROTOCOL] == 1:
# With Kionix components, MSB must be set 1 to indicate reading
message.reg = message.reg | 1 << 7
req = protocol.add_macro_action_req(
macro_id,
action=protocol.EVKIT_MACRO_ACTION_READ,
target=sensor.resource[CFG_TARGET],
identifier=sensor.resource[CFG_CS],
append=True,
start_register=message.reg,
bytes_to_read=message.msg_size - 1)
LOGGER.debug(req)
self.adapter.send_message(req)
message.msg_req.append(req)
self.adapter.receive_message(
waif_for_message=protocol.EVKIT_MSG_ADD_MACRO_ACTION_RESP)
elif bus1_name == BUS1_ADC:
LOGGER.debug("EVKIT_MACRO_ACTION_ADC_READ")
if isinstance(message.gpio_pin, int):
message.gpio_pin = [message.gpio_pin]
self.sensor.connection_manager.gpio_config_for_adc(self.sensor)
for pin in message.gpio_pin:
req2 = protocol.add_macro_action_req(
macro_id=macro_id,
action=protocol.EVKIT_MACRO_ACTION_ADC_READ,
target=sensor.resource[CFG_TARGET],
identifier=pin,
append=True,
adc_oversample=sensor.
resource['adc_msg_oversampling_enum'],
adc_gain=sensor.resource['adc_msg_gain_enum'],
adc_resolution=sensor.resource[CFG_ADC_RESOLUTION],
adc_acq_time_us=sensor.
resource['adc_msg_conversion_time_us'])
LOGGER.debug(req2)
self.adapter.send_message(req2)
message.msg_req.append(req2)
self.adapter.receive_message(
waif_for_message=protocol.EVKIT_MSG_ADD_MACRO_ACTION_RESP)
elif bus1_name == BUS1_GPIO:
# TODO 3 BUS1_GPIO data stream
raise EvaluationKitException(
'Unsupported bus1 {}'.format(bus1_name))
else:
raise EvaluationKitException(
'Unsupported bus1 {}'.format(bus1_name))
LOGGER.debug('<')
def enable_data_logging(sensor,
odr=25,
max_range_acc='2G',
lp_mode=False,
power_off_on=True,
int_number=None):
LOGGER.info('enable_data_logging start')
#
# parameter validation
#
assert convert_to_enumkey(odr) in e.KMX62_ODCNTL_OSA.keys(
), 'Invalid odr_OSA value "{}". Support values are {}'.format(
odr, e.KMX62_ODCNTL_OSA.keys())
assert max_range_acc in e.KMX62_CNTL2_GSEL, 'Invalid range value "{}". Support values are {}'.format(
max_range_acc, e.KMX62_CNTL2_GSEL.keys())
assert (
lp_mode in list(e.KMX62_CNTL2_RES.keys()) + [False]
), 'Invalid lp_mode value "{}". Support values are {} and False'.format(
lp_mode, e.KMX62_CNTL2_RES.keys())
# Set sensor to stand-by to enable setup change
if power_off_on:
sensor.set_power_off()
#
# Configure sensor
#
# Select acc ODRs
sensor.set_odr(e.KMX62_ODCNTL_OSA[convert_to_enumkey(odr)], CH_ACC)
# Select mag ODRs
sensor.set_odr(e.KMX62_ODCNTL_OSM[convert_to_enumkey(odr)], CH_MAG)
# select g-range (for acc)
sensor.set_range(e.KMX62_CNTL2_GSEL[max_range_acc])
# resolution / power mode selection
if lp_mode not in ['MAX1', 'MAX2', False]:
# Low power mode
sensor.set_average(e.KMX62_CNTL2_RES[lp_mode], None, CH_ACC)
else:
# Full power mode
sensor.set_average(b.KMX62_CNTL2_RES_MAX2, None, CH_ACC)
#
# interrupt pin routings and settings
#
if int_number is None:
# KMX62: interrupt source selection activates also physical interrupt pin
if evkit_config.get('generic',
'drdy_operation') == 'ADAPTER_GPIO1_INT':
sensor.enable_drdy(1, CH_ACC) # acc data ready to int1
# sensor.enable_drdy(1, CH_MAG) # mag data ready to int1
elif evkit_config.get('generic',
'drdy_operation') == 'ADAPTER_GPIO2_INT':
sensor.enable_drdy(2, CH_ACC) # acc data ready to int2
# sensor.enable_drdy(2, CH_MAG) # mag data ready to int2
elif evkit_config.get('generic', 'drdy_operation') == 'DRDY_REG_POLL':
sensor.enable_drdy(1, CH_ACC) # acc data ready to int1
# sensor.enable_drdy(1, CH_MAG) # mag data ready to int1
else:
sensor.enable_drdy(int_number, CH_ACC)
polarity = POLARITY_DICT[sensor.resource[CFG_POLARITY]]
LOGGER.debug('Configuring interrput polarity %s' %
format(sensor.resource[CFG_POLARITY]))
if polarity == ACTIVE_HIGH:
IEA1 = b.KMX62_INC3_IEA1_HIGH
IEA2 = b.KMX62_INC3_IEA2_HIGH
elif polarity == ACTIVE_LOW:
IEA1 = b.KMX62_INC3_IEA1_LOW
IEA2 = b.KMX62_INC3_IEA2_LOW
else:
raise EvaluationKitException('Unsupported interrupt polarity %s' %
sensor.resource[CFG_POLARITY])
# interrupt signal parameters
sensor.write_register(
r.KMX62_INC3,
b.KMX62_INC3_IED1_PUSHPULL | IEA1 | b.KMX62_INC3_IEL1_LATCHED
| b.KMX62_INC3_IED2_PUSHPULL | IEA2 | b.KMX62_INC3_IEL2_LATCHED)
#
# Turn on operating mode (disables setup)
#
if power_off_on:
# sensor.set_power_on(CH_MAG ) # mag ON
# sensor.set_power_on(CH_ACC | CH_MAG ) # acc + mag ON
sensor.set_power_on(CH_ACC | CH_MAG | CH_TEMP)
# sensor.register_dump()#;sys.exit()
LOGGER.info('enable_data_logging done')
def get_dev_id(self):
raise EvaluationKitException('Not implemented for this adapter.')
def adapter_write_sensor_register_i2c(self, target, sad, register, values):
raise EvaluationKitException('I2C support not available for this adapter')
def adapter_write_sensor_register_spi(self, target, chip_select, register, values):
raise EvaluationKitException('SPI support not available for this adapter')
def adapter_write_gpio(self, gpio_pin, value, connect_input=False):
raise EvaluationKitException('Not implemented for this adapter.')
def adapter_read_adc(self, target, channel, resolution,
oversample,
gain,
acq_time_us):
raise EvaluationKitException('Not implemented for this adapter.')