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harp.devices.analoginput #

AdcChannel #

Bases: IntEnum

Available target analog channels to be targeted for threshold events.

Attributes:

Name Type Description
CHANNEL0 int

No description currently available

CHANNEL1 int

No description currently available

CHANNEL2 int

No description currently available

CHANNEL3 int

No description currently available

NONE int

No description currently available

AnalogDataPayload dataclass #

AnalogDataPayload(Channel0: int, Channel1: int, Channel2: int, Channel3: int)

Parameters:

Name Type Description Default
Channel0 int
required
Channel1 int
required
Channel2 int
required
Channel3 int
required

AnalogInput #

Bases: Device

AnalogInput class for controlling the device.

read_acquisition_state() #

Reads the contents of the AcquisitionState register.

Returns:

Type Description
bool

Value read from the AcquisitionState register.

read_analog_data() #

Reads the contents of the AnalogData register.

Returns:

Type Description
AnalogDataPayload

Value read from the AnalogData register.

read_di0_trigger() #

Reads the contents of the DI0Trigger register.

Returns:

Type Description
TriggerConfig

Value read from the DI0Trigger register.

read_digital_input_state() #

Reads the contents of the DigitalInputState register.

Returns:

Type Description
DigitalInputs

Value read from the DigitalInputState register.

read_digital_output_clear() #

Reads the contents of the DigitalOutputClear register.

Returns:

Type Description
DigitalOutputs

Value read from the DigitalOutputClear register.

read_digital_output_set() #

Reads the contents of the DigitalOutputSet register.

Returns:

Type Description
DigitalOutputs

Value read from the DigitalOutputSet register.

read_digital_output_state() #

Reads the contents of the DigitalOutputState register.

Returns:

Type Description
DigitalOutputs

Value read from the DigitalOutputState register.

read_digital_output_toggle() #

Reads the contents of the DigitalOutputToggle register.

Returns:

Type Description
DigitalOutputs

Value read from the DigitalOutputToggle register.

read_do0_pulse_width() #

Reads the contents of the DO0PulseWidth register.

Returns:

Type Description
int

Value read from the DO0PulseWidth register.

read_do0_sync() #

Reads the contents of the DO0Sync register.

Returns:

Type Description
SyncConfig

Value read from the DO0Sync register.

read_do0_target_channel() #

Reads the contents of the DO0TargetChannel register.

Returns:

Type Description
AdcChannel

Value read from the DO0TargetChannel register.

read_do0_threshold() #

Reads the contents of the DO0Threshold register.

Returns:

Type Description
int

Value read from the DO0Threshold register.

read_do0_time_above_threshold() #

Reads the contents of the DO0TimeAboveThreshold register.

Returns:

Type Description
int

Value read from the DO0TimeAboveThreshold register.

read_do0_time_below_threshold() #

Reads the contents of the DO0TimeBelowThreshold register.

Returns:

Type Description
int

Value read from the DO0TimeBelowThreshold register.

read_do1_target_channel() #

Reads the contents of the DO1TargetChannel register.

Returns:

Type Description
AdcChannel

Value read from the DO1TargetChannel register.

read_do1_threshold() #

Reads the contents of the DO1Threshold register.

Returns:

Type Description
int

Value read from the DO1Threshold register.

read_do1_time_above_threshold() #

Reads the contents of the DO1TimeAboveThreshold register.

Returns:

Type Description
int

Value read from the DO1TimeAboveThreshold register.

read_do1_time_below_threshold() #

Reads the contents of the DO1TimeBelowThreshold register.

Returns:

Type Description
int

Value read from the DO1TimeBelowThreshold register.

read_do2_target_channel() #

Reads the contents of the DO2TargetChannel register.

Returns:

Type Description
AdcChannel

Value read from the DO2TargetChannel register.

read_do2_threshold() #

Reads the contents of the DO2Threshold register.

Returns:

Type Description
int

Value read from the DO2Threshold register.

read_do2_time_above_threshold() #

Reads the contents of the DO2TimeAboveThreshold register.

Returns:

Type Description
int

Value read from the DO2TimeAboveThreshold register.

read_do2_time_below_threshold() #

Reads the contents of the DO2TimeBelowThreshold register.

Returns:

Type Description
int

Value read from the DO2TimeBelowThreshold register.

read_do3_target_channel() #

Reads the contents of the DO3TargetChannel register.

Returns:

Type Description
AdcChannel

Value read from the DO3TargetChannel register.

read_do3_threshold() #

Reads the contents of the DO3Threshold register.

Returns:

Type Description
int

Value read from the DO3Threshold register.

read_do3_time_above_threshold() #

Reads the contents of the DO3TimeAboveThreshold register.

Returns:

Type Description
int

Value read from the DO3TimeAboveThreshold register.

read_do3_time_below_threshold() #

Reads the contents of the DO3TimeBelowThreshold register.

Returns:

Type Description
int

Value read from the DO3TimeBelowThreshold register.

read_range_and_filter() #

Reads the contents of the RangeAndFilter register.

Returns:

Type Description
RangeAndFilterConfig

Value read from the RangeAndFilter register.

read_sampling_rate() #

Reads the contents of the SamplingRate register.

Returns:

Type Description
SamplingRateMode

Value read from the SamplingRate register.

read_sync_output() #

Reads the contents of the SyncOutput register.

Returns:

Type Description
StartSyncOutputTarget

Value read from the SyncOutput register.

write_acquisition_state(value) #

Writes a value to the AcquisitionState register.

Parameters:

Name Type Description Default
value bool

Value to write to the AcquisitionState register.

required

write_di0_trigger(value) #

Writes a value to the DI0Trigger register.

Parameters:

Name Type Description Default
value TriggerConfig

Value to write to the DI0Trigger register.

required

write_digital_output_clear(value) #

Writes a value to the DigitalOutputClear register.

Parameters:

Name Type Description Default
value DigitalOutputs

Value to write to the DigitalOutputClear register.

required

write_digital_output_set(value) #

Writes a value to the DigitalOutputSet register.

Parameters:

Name Type Description Default
value DigitalOutputs

Value to write to the DigitalOutputSet register.

required

write_digital_output_state(value) #

Writes a value to the DigitalOutputState register.

Parameters:

Name Type Description Default
value DigitalOutputs

Value to write to the DigitalOutputState register.

required

write_digital_output_toggle(value) #

Writes a value to the DigitalOutputToggle register.

Parameters:

Name Type Description Default
value DigitalOutputs

Value to write to the DigitalOutputToggle register.

required

write_do0_pulse_width(value) #

Writes a value to the DO0PulseWidth register.

Parameters:

Name Type Description Default
value int

Value to write to the DO0PulseWidth register.

required

write_do0_sync(value) #

Writes a value to the DO0Sync register.

Parameters:

Name Type Description Default
value SyncConfig

Value to write to the DO0Sync register.

required

write_do0_target_channel(value) #

Writes a value to the DO0TargetChannel register.

Parameters:

Name Type Description Default
value AdcChannel

Value to write to the DO0TargetChannel register.

required

write_do0_threshold(value) #

Writes a value to the DO0Threshold register.

Parameters:

Name Type Description Default
value int

Value to write to the DO0Threshold register.

required

write_do0_time_above_threshold(value) #

Writes a value to the DO0TimeAboveThreshold register.

Parameters:

Name Type Description Default
value int

Value to write to the DO0TimeAboveThreshold register.

required

write_do0_time_below_threshold(value) #

Writes a value to the DO0TimeBelowThreshold register.

Parameters:

Name Type Description Default
value int

Value to write to the DO0TimeBelowThreshold register.

required

write_do1_target_channel(value) #

Writes a value to the DO1TargetChannel register.

Parameters:

Name Type Description Default
value AdcChannel

Value to write to the DO1TargetChannel register.

required

write_do1_threshold(value) #

Writes a value to the DO1Threshold register.

Parameters:

Name Type Description Default
value int

Value to write to the DO1Threshold register.

required

write_do1_time_above_threshold(value) #

Writes a value to the DO1TimeAboveThreshold register.

Parameters:

Name Type Description Default
value int

Value to write to the DO1TimeAboveThreshold register.

required

write_do1_time_below_threshold(value) #

Writes a value to the DO1TimeBelowThreshold register.

Parameters:

Name Type Description Default
value int

Value to write to the DO1TimeBelowThreshold register.

required

write_do2_target_channel(value) #

Writes a value to the DO2TargetChannel register.

Parameters:

Name Type Description Default
value AdcChannel

Value to write to the DO2TargetChannel register.

required

write_do2_threshold(value) #

Writes a value to the DO2Threshold register.

Parameters:

Name Type Description Default
value int

Value to write to the DO2Threshold register.

required

write_do2_time_above_threshold(value) #

Writes a value to the DO2TimeAboveThreshold register.

Parameters:

Name Type Description Default
value int

Value to write to the DO2TimeAboveThreshold register.

required

write_do2_time_below_threshold(value) #

Writes a value to the DO2TimeBelowThreshold register.

Parameters:

Name Type Description Default
value int

Value to write to the DO2TimeBelowThreshold register.

required

write_do3_target_channel(value) #

Writes a value to the DO3TargetChannel register.

Parameters:

Name Type Description Default
value AdcChannel

Value to write to the DO3TargetChannel register.

required

write_do3_threshold(value) #

Writes a value to the DO3Threshold register.

Parameters:

Name Type Description Default
value int

Value to write to the DO3Threshold register.

required

write_do3_time_above_threshold(value) #

Writes a value to the DO3TimeAboveThreshold register.

Parameters:

Name Type Description Default
value int

Value to write to the DO3TimeAboveThreshold register.

required

write_do3_time_below_threshold(value) #

Writes a value to the DO3TimeBelowThreshold register.

Parameters:

Name Type Description Default
value int

Value to write to the DO3TimeBelowThreshold register.

required

write_range_and_filter(value) #

Writes a value to the RangeAndFilter register.

Parameters:

Name Type Description Default
value RangeAndFilterConfig

Value to write to the RangeAndFilter register.

required

write_sampling_rate(value) #

Writes a value to the SamplingRate register.

Parameters:

Name Type Description Default
value SamplingRateMode

Value to write to the SamplingRate register.

required

write_sync_output(value) #

Writes a value to the SyncOutput register.

Parameters:

Name Type Description Default
value StartSyncOutputTarget

Value to write to the SyncOutput register.

required

AnalogInputRegisters #

Bases: IntEnum

Enum for all available registers in the AnalogInput device.

Attributes:

Name Type Description
ACQUISITION_STATE int

Enables the data acquisition.

ANALOG_DATA int

Value from a single read of all ADC channels.

DIGITAL_INPUT_STATE int

State of the digital input pin 0.

RANGE_AND_FILTER int

Sets the range and LowPass filter cutoff of the ADC.

SAMPLING_RATE int

Sets the sampling frequency of the ADC.

DI0_TRIGGER int

Configuration of the digital input pin 0.

DO0_SYNC int

Configuration of the digital output pin 0.

DO0_PULSE_WIDTH int

Pulse duration (ms) for the digital output pin 0. The pulse will only be emitted when DO0Sync == Pulse.

DIGITAL_OUTPUT_SET int

Set the specified digital output lines.

DIGITAL_OUTPUT_CLEAR int

Clear the specified digital output lines.

DIGITAL_OUTPUT_TOGGLE int

Toggle the specified digital output lines

DIGITAL_OUTPUT_STATE int

Write the state of all digital output lines. An event will be emitted when the value of any pin was changed by a threshold event.

SYNC_OUTPUT int

Digital output that will be set when acquisition starts.

DO0_TARGET_CHANNEL int

Target ADC channel that will be used to trigger a threshold event on DO0 pin.

DO1_TARGET_CHANNEL int

Target ADC channel that will be used to trigger a threshold event on DO1 pin.

DO2_TARGET_CHANNEL int

Target ADC channel that will be used to trigger a threshold event on DO2 pin.

DO3_TARGET_CHANNEL int

Target ADC channel that will be used to trigger a threshold event on DO3 pin.

DO0_THRESHOLD int

Value used to threshold an ADC read, and trigger DO0 pin.

DO1_THRESHOLD int

Value used to threshold an ADC read, and trigger DO1 pin.

DO2_THRESHOLD int

Value used to threshold an ADC read, and trigger DO2 pin.

DO3_THRESHOLD int

Value used to threshold an ADC read, and trigger DO3 pin.

DO0_TIME_ABOVE_THRESHOLD int

Time (ms) above threshold value that is required to trigger a DO0 pin event.

DO1_TIME_ABOVE_THRESHOLD int

Time (ms) above threshold value that is required to trigger a DO1 pin event.

DO2_TIME_ABOVE_THRESHOLD int

Time (ms) above threshold value that is required to trigger a DO2 pin event.

DO3_TIME_ABOVE_THRESHOLD int

Time (ms) above threshold value that is required to trigger a DO3 pin event.

DO0_TIME_BELOW_THRESHOLD int

Time (ms) below threshold value that is required to trigger a DO0 pin event.

DO1_TIME_BELOW_THRESHOLD int

Time (ms) below threshold value that is required to trigger a DO1 pin event.

DO2_TIME_BELOW_THRESHOLD int

Time (ms) below threshold value that is required to trigger a DO2 pin event.

DO3_TIME_BELOW_THRESHOLD int

Time (ms) below threshold value that is required to trigger a DO3 pin event.

Device #

The Device class provides the interface for interacting with Harp devices. This implementation of the Harp device was based on the official documentation available on the harp-tech website.

Attributes:

Name Type Description
WHO_AM_I int

The device ID number. A list of devices can be found here

DEFAULT_DEVICE_NAME str

The device name, i.e. "Behavior". This name is derived by cross-referencing the WHO_AM_I identifier with the corresponding device name in the device_names dictionary

HW_VERSION_H int

The major hardware version

HW_VERSION_L int

The minor hardware version

ASSEMBLY_VERSION int

The version of the assembled components

HARP_VERSION_H int

The major Harp core version

HARP_VERSION_L int

The minor Harp core version

FIRMWARE_VERSION_H int

The major firmware version

FIRMWARE_VERSION_L int

The minor firmware version

DEVICE_NAME str

The device name stored in the Harp device

SERIAL_NUMBER (int, optional)

The serial number of the device

__enter__() #

Support for using Device with 'with' statement.

Returns:

Type Description
Device

The Device instance

__exit__(exc_type, exc_val, exc_tb) #

Cleanup resources when exiting the 'with' block.

Parameters:

Name Type Description Default
exc_type Exception type or None

Type of the exception that caused the context to be exited

required
exc_val Exception or None

Exception instance that caused the context to be exited

required
exc_tb traceback or None

Traceback if an exception occurred

required

__init__(serial_port, dump_file_path=None, read_timeout_s=1, timeout_strategy=TimeoutStrategy.RAISE) #

Parameters:

Name Type Description Default
serial_port str

The serial port used to establish the connection with the Harp device. It must be denoted as /dev/ttyUSBx in Linux and COMx in Windows, where x is the number of the serial port

required
dump_file_path Optional[str]

The binary file to which all Harp messages will be written

None
read_timeout_s float

TODO

1

alive_en(enable) #

Sets the ALIVE_EN bit of the device.

Parameters:

Name Type Description Default
enable bool

If True, enables the ALIVE_EN bit. If False, disables it

required

Returns:

Type Description
bool

True if the operation was successful, False otherwise

connect() #

Connects to the Harp device.

disconnect() #

Disconnects from the Harp device.

dump_registers() #

Asserts the DUMP bit to dump the values of all core and app registers as Harp Read Reply Messages. More information on the DUMP bit can be found here.

Returns:

Type Description
list

The list containing the reply Harp messages for all the device's registers

event_count() #

Gets the number of events in the event queue.

Returns:

Type Description
int

The number of events in the event queue

get_events() #

Gets all events from the event queue.

Returns:

Type Description
list

The list containing every Harp event message that were on the queue

info() #

Prints the device information.

load() #

Loads the data stored in the device's common registers.

mute_reply(enable) #

Sets the MUTE_REPLY bit of the device.

Parameters:

Name Type Description Default
enable bool

If True, the Replies to all the Commands are muted. If False, un-mutes them

required

Returns:

Type Description
bool

True if the operation was successful, False otherwise

op_led_en(enable) #

Sets the operation LED of the device.

Parameters:

Name Type Description Default
enable bool

If True, enables the operation LED. If False, disables it

required

Returns:

Type Description
bool

True if the operation was successful, False otherwise

read_float(address) #

Reads the value of a register of type Float.

Parameters:

Name Type Description Default
address int

The register to be read

required

Returns:

Type Description
ReplyHarpMessage

The reply to the Harp message that will contain the value read from the register

Raises:

Type Description
HarpTimeoutError

If no reply is received and the effective strategy requires raising

read_operation_ctrl() #

Reads the OPERATION_CTRL register of the device.

Returns:

Type Description
ReplyHarpMessage

The reply to the Harp message

read_s16(address) #

Reads the value of a register of type S16.

Parameters:

Name Type Description Default
address int

The register to be read

required

Returns:

Type Description
ReplyHarpMessage

The reply to the Harp message that will contain the value read from the register

Raises:

Type Description
HarpTimeoutError

If no reply is received and the effective strategy requires raising

read_s32(address) #

Reads the value of a register of type S32.

Parameters:

Name Type Description Default
address int

The register to be read

required

Returns:

Type Description
ReplyHarpMessage

The reply to the Harp message that will contain the value read from the register

Raises:

Type Description
HarpTimeoutError

If no reply is received and the effective strategy requires raising

read_s64(address) #

Reads the value of a register of type S64.

Parameters:

Name Type Description Default
address int

The register to be read

required

Returns:

Type Description
ReplyHarpMessage

The reply to the Harp message that will contain the value read from the register

Raises:

Type Description
HarpTimeoutError

If no reply is received and the effective strategy requires raising

read_s8(address) #

Reads the value of a register of type S8.

Parameters:

Name Type Description Default
address int

The register to be read

required

Returns:

Type Description
ReplyHarpMessage

The reply to the Harp message that will contain the value read from the register

Raises:

Type Description
HarpTimeoutError

If no reply is received and the effective strategy requires raising

read_u16(address) #

Reads the value of a register of type U16.

Parameters:

Name Type Description Default
address int

The register to be read

required

Returns:

Type Description
ReplyHarpMessage

The reply to the Harp message that will contain the value read from the register

Raises:

Type Description
HarpTimeoutError

If no reply is received and the effective strategy requires raising

read_u32(address) #

Reads the value of a register of type U32.

Parameters:

Name Type Description Default
address int

The register to be read

required

Returns:

Type Description
ReplyHarpMessage

The reply to the Harp message that will contain the value read from the register

Raises:

Type Description
HarpTimeoutError

If no reply is received and the effective strategy requires raising

read_u64(address) #

Reads the value of a register of type U64.

Parameters:

Name Type Description Default
address int

The register to be read

required

Returns:

Type Description
ReplyHarpMessage

The reply to the Harp message that will contain the value read from the register

Raises:

Type Description
HarpTimeoutError

If no reply is received and the effective strategy requires raising

read_u8(address) #

Reads the value of a register of type U8.

Parameters:

Name Type Description Default
address int

The register to be read

required

Returns:

Type Description
ReplyHarpMessage

The reply to the Harp message that will contain the value read from the register

Raises:

Type Description
HarpTimeoutError

If no reply is received and the effective strategy requires raising

reset_device(reset_mode=ResetMode.RST_DEF) #

Resets the device and reboots with all the registers with the default values. Beware that the EEPROM will be erased. More information on the reset device register can be found here.

Returns:

Type Description
ReplyHarpMessage

The reply to the Harp message

send(message, *, expect_reply=True, timeout_strategy=None) #

Sends a Harp message and (optionally) waits for a reply.

Parameters:

Name Type Description Default
message HarpMessage

The HarpMessage to be sent to the device

required
expect_reply bool

If False, do not wait for a reply (fire-and-forget)

True
timeout_strategy TimeoutStrategy | None

Override the device-level timeout strategy for this call

None

Returns:

Type Description
ReplyHarpMessage | None

Reply (or None when allowed by the timeout strategy or expect_reply=False)

Raises:

Type Description
HarpTimeoutError

If no reply is received and the effective strategy requires raising

set_clock_config(clock_config) #

Sets the clock configuration of the device.

Parameters:

Name Type Description Default
clock_config ClockConfig

The clock configuration value

required

Returns:

Type Description
ReplyHarpMessage

The reply to the Harp message

set_mode(mode) #

Sets the operation mode of the device.

Parameters:

Name Type Description Default
mode DeviceMode

The new device mode value

required

Returns:

Type Description
ReplyHarpMessage

The reply to the Harp message

set_timestamp_offset(timestamp_offset) #

When the value of this register is above 0 (zero), the device's timestamp will be offset by this amount. The register is sensitive to 500 microsecond increments. This register is non-volatile.

Parameters:

Name Type Description Default
timestamp_offset int

The timestamp offset value

required

Returns:

Type Description
ReplyHarpMessage

The reply to the Harp message

visual_en(enable) #

Sets the status led of the device.

Parameters:

Name Type Description Default
enable bool

If True, enables the status led. If False, disables it

required

Returns:

Type Description
bool

True if the operation was successful, False otherwise

write_float(address, value) #

Writes the value of a register of type Float.

Parameters:

Name Type Description Default
address int

The register to be written on

required
value float | list[float]

The value to be written to the register

required

Returns:

Type Description
ReplyHarpMessage

The reply to the Harp message

Raises:

Type Description
HarpTimeoutError

If no reply is received and the effective strategy requires raising

write_operation_ctrl(mode=None, mute_rpl=None, visual_en=None, op_led_en=None, alive_en=None) #

Writes the OPERATION_CTRL register of the device.

Parameters:

Name Type Description Default
mode OperationMode

The new operation mode value

None
mute_rpl bool

If True, the Replies to all the Commands are muted

None
visual_en bool

If True, enables the status led

None
op_led_en bool

If True, enables the operation LED

None
alive_en bool

If True, enables the ALIVE_EN bit

None

Returns:

Type Description
ReplyHarpMessage

The reply to the Harp message

write_s16(address, value) #

Writes the value of a register of type S16.

Parameters:

Name Type Description Default
address int

The register to be written on

required
value int | list[int]

The value to be written to the register

required

Returns:

Type Description
ReplyHarpMessage

The reply to the Harp message

Raises:

Type Description
HarpTimeoutError

If no reply is received and the effective strategy requires raising

write_s32(address, value) #

Writes the value of a register of type S32.

Parameters:

Name Type Description Default
address int

The register to be written on

required
value int | list[int]

The value to be written to the register

required

Returns:

Type Description
ReplyHarpMessage

The reply to the Harp message

Raises:

Type Description
HarpTimeoutError

If no reply is received and the effective strategy requires raising

write_s64(address, value) #

Writes the value of a register of type S64.

Parameters:

Name Type Description Default
address int

The register to be written on

required
value int | list[int]

The value to be written to the register

required

Returns:

Type Description
ReplyHarpMessage

The reply to the Harp message

Raises:

Type Description
HarpTimeoutError

If no reply is received and the effective strategy requires raising

write_s8(address, value) #

Writes the value of a register of type S8.

Parameters:

Name Type Description Default
address int

The register to be written on

required
value int | list[int]

The value to be written to the register

required

Returns:

Type Description
ReplyHarpMessage

The reply to the Harp message

Raises:

Type Description
HarpTimeoutError

If no reply is received and the effective strategy requires raising

write_u16(address, value) #

Writes the value of a register of type U16.

Parameters:

Name Type Description Default
address int

The register to be written on

required
value int | list[int]

The value to be written to the register

required

Returns:

Type Description
ReplyHarpMessage

The reply to the Harp message

Raises:

Type Description
HarpTimeoutError

If no reply is received and the effective strategy requires raising

write_u32(address, value) #

Writes the value of a register of type U32.

Parameters:

Name Type Description Default
address int

The register to be written on

required
value int | list[int]

The value to be written to the register

required

Returns:

Type Description
ReplyHarpMessage

The reply to the Harp message

Raises:

Type Description
HarpTimeoutError

If no reply is received and the effective strategy requires raising

write_u64(address, value) #

Writes the value of a register of type U64.

Parameters:

Name Type Description Default
address int

The register to be written on

required
value int | list[int]

The value to be written to the register

required

Returns:

Type Description
ReplyHarpMessage

The reply to the Harp message

Raises:

Type Description
HarpTimeoutError

If no reply is received and the effective strategy requires raising

write_u8(address, value) #

Writes the value of a register of type U8.

Parameters:

Name Type Description Default
address int

The register to be written on

required
value int | list[int]

The value to be written to the register

required

Returns:

Type Description
ReplyHarpMessage

The reply to the Harp message

Raises:

Type Description
HarpTimeoutError

If no reply is received and the effective strategy requires raising

DigitalInputs #

Bases: IntFlag

Available digital input lines.

Attributes:

Name Type Description
DI0 int

No description currently available

DigitalOutputs #

Bases: IntFlag

Specifies the state of port digital output lines.

Attributes:

Name Type Description
DO0 int

No description currently available

DO1 int

No description currently available

DO2 int

No description currently available

DO3 int

No description currently available

DO0_CHANGED int

No description currently available

DO1_CHANGED int

No description currently available

DO2_CHANGED int

No description currently available

DO4_CHANGED int

No description currently available

HarpMessage #

The HarpMessage class implements the Harp message as described in the protocol.

Attributes:

Name Type Description
frame bytearray

The bytearray containing the whole Harp message

message_type MessageType

The message type

length int

The length parameter of the Harp message

address int

The address of the register to which the Harp message refers to

port int

Indicates the origin or destination of the Harp message in case the device is a hub of Harp devices. The value 255 points to the device itself (default value).

payload_type PayloadType

The payload type

checksum int

The sum of all bytes contained in the Harp message

address property #

The address of the register to which the Harp message refers to.

Returns:

Type Description
int

The address of the register to which the Harp message refers to

checksum property #

The sum of all bytes contained in the Harp message.

Returns:

Type Description
int

The sum of all bytes contained in the Harp message

frame property #

The bytearray containing the whole Harp message.

Returns:

Type Description
bytearray

The bytearray containing the whole Harp message

length property #

The length parameter of the Harp message.

Returns:

Type Description
int

The length parameter of the Harp message

message_type property #

The message type.

Returns:

Type Description
MessageType

The message type

payload property #

The payload sent in the write Harp message.

Returns:

Type Description
Union[int, list[int]]

The payload sent in the write Harp message

payload_type property #

The payload type.

Returns:

Type Description
PayloadType

The payload type

port property writable #

Indicates the origin or destination of the Harp message in case the device is a hub of Harp devices. The value 255 points to the device itself (default value).

Returns:

Type Description
int

The port value

__repr__() #

Prints debug representation of the reply message.

Returns:

Type Description
str

The debug representation of the reply message

__str__() #

Prints friendly representation of a Harp message.

Returns:

Type Description
str

The representation of the Harp message

calculate_checksum() #

Calculates the checksum of the Harp message.

Returns:

Type Description
int

The value of the checksum

create(message_type, address, payload_type, value=None) staticmethod #

Creates a Harp message.

Parameters:

Name Type Description Default
message_type MessageType

The message type. It can only be of type READ or WRITE

required
address int

The address of the register that the message will interact with

required
payload_type PayloadType

The payload type

required
value Optional[int | list[int] | float | list[float]]

The payload of the message. If message_type == MessageType.WRITE, the value cannot be None

None

parse(frame) staticmethod #

Parses a bytearray to a (reply) Harp message.

Parameters:

Name Type Description Default
frame bytearray

The bytearray will be parsed into a (reply) Harp message

required

Returns:

Type Description
ReplyHarpMessage

The Harp message object parsed from the original bytearray

HarpReadException #

Bases: HarpException

Exception raised when there is an error reading from a register in the Harp device.

HarpWriteException #

Bases: HarpException

Exception raised when there is an error writing to a register in the Harp device.

MessageType #

Bases: IntEnum

An enumeration of the allowed message types of a Harp message. More information on the MessageType byte of a Harp message can be found here.

Attributes:

Name Type Description
READ int

The value that corresponds to a Read Harp message (1)

WRITE int

The value that corresponds to a Write Harp message (2)

EVENT int

The value that corresponds to an Event Harp message (3). Messages of this type are only meant to be send by the device

READ_ERROR int

The value that corresponds to a Read Error Harp message (9). Messages of this type are only meant to be send by the device

WRITE_ERROR int

The value that corresponds to a Write Error Harp message (10). Messages of this type are only meant to be send by the device

PayloadType #

Bases: IntEnum

An enumeration of the allowed payload types of a Harp message. More information on the PayloadType byte of a Harp message can be found here.

Attributes:

Name Type Description
U8 int

The value that corresponds to a message of type U8

S8 int

The value that corresponds to a message of type S8

U16 int

The value that corresponds to a message of type U16

S16 int

The value that corresponds to a message of type S16

U32 int

The value that corresponds to a message of type U32

S32 int

The value that corresponds to a message of type S32

U64 int

The value that corresponds to a message of type U64

S64 int

The value that corresponds to a message of type S64

Float int

The value that corresponds to a message of type Float

Timestamp int

The value that corresponds to a message of type Timestamp. This is not a valid PayloadType, but it is used to indicate that the message has a timestamp.

TimestampedU8 int

The value that corresponds to a message of type TimestampedU8

TimestampedS8 int

The value that corresponds to a message of type TimestampedS8

TimestampedU16 int

The value that corresponds to a message of type TimestampedU16

TimestampedS16 int

The value that corresponds to a message of type TimestampedS16

TimestampedU32 int

The value that corresponds to a message of type TimestampedU32

TimestampedS32 int

The value that corresponds to a message of type TimestampedS32

TimestampedU64 int

The value that corresponds to a message of type TimestampedU64

TimestampedS64 int

The value that corresponds to a message of type TimestampedS64

TimestampedFloat int

The value that corresponds to a message of type TimestampedFloat

RangeAndFilterConfig #

Bases: IntEnum

Available settings to set the range (Volt) and LowPass filter cutoff (Hz) of the ADC.

Attributes:

Name Type Description
RANGE_5V_LOW_PASS_1500HZ int

No description currently available

RANGE_5V_LOW_PASS_3000HZ int

No description currently available

RANGE_5V_LOW_PASS_6000HZ int

No description currently available

RANGE_5V_LOW_PASS_10300HZ int

No description currently available

RANGE_5V_LOW_PASS_13700HZ int

No description currently available

RANGE_5V_LOW_PASS_15000HZ int

No description currently available

RANGE_10V_LOW_PASS_1500HZ int

No description currently available

RANGE_10V_LOW_PASS_3000HZ int

No description currently available

RANGE_10V_LOW_PASS_6000HZ int

No description currently available

RANGE_10V_LOW_PASS_11900HZ int

No description currently available

RANGE_10V_LOW_PASS_18500HZ int

No description currently available

RANGE_10V_LOW_PASS_22000HZ int

No description currently available

ReplyHarpMessage #

Bases: HarpMessage

A response message from a Harp device.

Attributes:

Name Type Description
payload Union[int, list[int]]

The message payload formatted as the appropriate type

timestamp float

The Harp timestamp at which the message was sent

is_error property #

Indicates if this HarpMessage is an error message or not.

Returns:

Type Description
bool

Returns True if this HarpMessage is an error message, False otherwise.

timestamp property #

The Harp timestamp at which the message was sent.

Returns:

Type Description
float

The Harp timestamp at which the message was sent

__init__(frame) #

Parameters:

Name Type Description Default
frame bytearray

The Harp message in bytearray format

required

payload_as_string() #

Returns the payload as a str.

Returns:

Type Description
str

The payload parsed as a str

SamplingRateMode #

Bases: IntEnum

Available sampling frequency settings of the ADC.

Attributes:

Name Type Description
SAMPLING_RATE_1000HZ int

No description currently available

SAMPLING_RATE_2000HZ int

No description currently available

StartSyncOutputTarget #

Bases: IntEnum

Available digital output pins that are able to be triggered on acquisition start.

Attributes:

Name Type Description
NONE int

No description currently available

DO0 int

No description currently available

DO1 int

No description currently available

DO2 int

No description currently available

DO3 int

No description currently available

SyncConfig #

Bases: IntEnum

Available configurations when using DO0 pin to report firmware events.

Attributes:

Name Type Description
NONE int

No description currently available

HEARTBEAT int

No description currently available

PULSE int

No description currently available

TriggerConfig #

Bases: IntEnum

Available configurations for when using DI0 as an acquisition trigger.

Attributes:

Name Type Description
NONE int

No description currently available

START_ON_RISING_EDGE int

No description currently available

START_ON_FALLING_EDGE int

No description currently available

SAMPLE_ON_RISING_EDGE int

No description currently available

harpdevice #

AdcChannel #

Bases: IntEnum

Available target analog channels to be targeted for threshold events.

Attributes:

Name Type Description
CHANNEL0 int

No description currently available

CHANNEL1 int

No description currently available

CHANNEL2 int

No description currently available

CHANNEL3 int

No description currently available

NONE int

No description currently available

AnalogDataPayload dataclass #

AnalogDataPayload(Channel0: int, Channel1: int, Channel2: int, Channel3: int)

Parameters:

Name Type Description Default
Channel0 int
required
Channel1 int
required
Channel2 int
required
Channel3 int
required

AnalogInput #

Bases: Device

AnalogInput class for controlling the device.

read_acquisition_state() #

Reads the contents of the AcquisitionState register.

Returns:

Type Description
bool

Value read from the AcquisitionState register.

read_analog_data() #

Reads the contents of the AnalogData register.

Returns:

Type Description
AnalogDataPayload

Value read from the AnalogData register.

read_di0_trigger() #

Reads the contents of the DI0Trigger register.

Returns:

Type Description
TriggerConfig

Value read from the DI0Trigger register.

read_digital_input_state() #

Reads the contents of the DigitalInputState register.

Returns:

Type Description
DigitalInputs

Value read from the DigitalInputState register.

read_digital_output_clear() #

Reads the contents of the DigitalOutputClear register.

Returns:

Type Description
DigitalOutputs

Value read from the DigitalOutputClear register.

read_digital_output_set() #

Reads the contents of the DigitalOutputSet register.

Returns:

Type Description
DigitalOutputs

Value read from the DigitalOutputSet register.

read_digital_output_state() #

Reads the contents of the DigitalOutputState register.

Returns:

Type Description
DigitalOutputs

Value read from the DigitalOutputState register.

read_digital_output_toggle() #

Reads the contents of the DigitalOutputToggle register.

Returns:

Type Description
DigitalOutputs

Value read from the DigitalOutputToggle register.

read_do0_pulse_width() #

Reads the contents of the DO0PulseWidth register.

Returns:

Type Description
int

Value read from the DO0PulseWidth register.

read_do0_sync() #

Reads the contents of the DO0Sync register.

Returns:

Type Description
SyncConfig

Value read from the DO0Sync register.

read_do0_target_channel() #

Reads the contents of the DO0TargetChannel register.

Returns:

Type Description
AdcChannel

Value read from the DO0TargetChannel register.

read_do0_threshold() #

Reads the contents of the DO0Threshold register.

Returns:

Type Description
int

Value read from the DO0Threshold register.

read_do0_time_above_threshold() #

Reads the contents of the DO0TimeAboveThreshold register.

Returns:

Type Description
int

Value read from the DO0TimeAboveThreshold register.

read_do0_time_below_threshold() #

Reads the contents of the DO0TimeBelowThreshold register.

Returns:

Type Description
int

Value read from the DO0TimeBelowThreshold register.

read_do1_target_channel() #

Reads the contents of the DO1TargetChannel register.

Returns:

Type Description
AdcChannel

Value read from the DO1TargetChannel register.

read_do1_threshold() #

Reads the contents of the DO1Threshold register.

Returns:

Type Description
int

Value read from the DO1Threshold register.

read_do1_time_above_threshold() #

Reads the contents of the DO1TimeAboveThreshold register.

Returns:

Type Description
int

Value read from the DO1TimeAboveThreshold register.

read_do1_time_below_threshold() #

Reads the contents of the DO1TimeBelowThreshold register.

Returns:

Type Description
int

Value read from the DO1TimeBelowThreshold register.

read_do2_target_channel() #

Reads the contents of the DO2TargetChannel register.

Returns:

Type Description
AdcChannel

Value read from the DO2TargetChannel register.

read_do2_threshold() #

Reads the contents of the DO2Threshold register.

Returns:

Type Description
int

Value read from the DO2Threshold register.

read_do2_time_above_threshold() #

Reads the contents of the DO2TimeAboveThreshold register.

Returns:

Type Description
int

Value read from the DO2TimeAboveThreshold register.

read_do2_time_below_threshold() #

Reads the contents of the DO2TimeBelowThreshold register.

Returns:

Type Description
int

Value read from the DO2TimeBelowThreshold register.

read_do3_target_channel() #

Reads the contents of the DO3TargetChannel register.

Returns:

Type Description
AdcChannel

Value read from the DO3TargetChannel register.

read_do3_threshold() #

Reads the contents of the DO3Threshold register.

Returns:

Type Description
int

Value read from the DO3Threshold register.

read_do3_time_above_threshold() #

Reads the contents of the DO3TimeAboveThreshold register.

Returns:

Type Description
int

Value read from the DO3TimeAboveThreshold register.

read_do3_time_below_threshold() #

Reads the contents of the DO3TimeBelowThreshold register.

Returns:

Type Description
int

Value read from the DO3TimeBelowThreshold register.

read_range_and_filter() #

Reads the contents of the RangeAndFilter register.

Returns:

Type Description
RangeAndFilterConfig

Value read from the RangeAndFilter register.

read_sampling_rate() #

Reads the contents of the SamplingRate register.

Returns:

Type Description
SamplingRateMode

Value read from the SamplingRate register.

read_sync_output() #

Reads the contents of the SyncOutput register.

Returns:

Type Description
StartSyncOutputTarget

Value read from the SyncOutput register.

write_acquisition_state(value) #

Writes a value to the AcquisitionState register.

Parameters:

Name Type Description Default
value bool

Value to write to the AcquisitionState register.

required
write_di0_trigger(value) #

Writes a value to the DI0Trigger register.

Parameters:

Name Type Description Default
value TriggerConfig

Value to write to the DI0Trigger register.

required
write_digital_output_clear(value) #

Writes a value to the DigitalOutputClear register.

Parameters:

Name Type Description Default
value DigitalOutputs

Value to write to the DigitalOutputClear register.

required
write_digital_output_set(value) #

Writes a value to the DigitalOutputSet register.

Parameters:

Name Type Description Default
value DigitalOutputs

Value to write to the DigitalOutputSet register.

required
write_digital_output_state(value) #

Writes a value to the DigitalOutputState register.

Parameters:

Name Type Description Default
value DigitalOutputs

Value to write to the DigitalOutputState register.

required
write_digital_output_toggle(value) #

Writes a value to the DigitalOutputToggle register.

Parameters:

Name Type Description Default
value DigitalOutputs

Value to write to the DigitalOutputToggle register.

required
write_do0_pulse_width(value) #

Writes a value to the DO0PulseWidth register.

Parameters:

Name Type Description Default
value int

Value to write to the DO0PulseWidth register.

required
write_do0_sync(value) #

Writes a value to the DO0Sync register.

Parameters:

Name Type Description Default
value SyncConfig

Value to write to the DO0Sync register.

required
write_do0_target_channel(value) #

Writes a value to the DO0TargetChannel register.

Parameters:

Name Type Description Default
value AdcChannel

Value to write to the DO0TargetChannel register.

required
write_do0_threshold(value) #

Writes a value to the DO0Threshold register.

Parameters:

Name Type Description Default
value int

Value to write to the DO0Threshold register.

required
write_do0_time_above_threshold(value) #

Writes a value to the DO0TimeAboveThreshold register.

Parameters:

Name Type Description Default
value int

Value to write to the DO0TimeAboveThreshold register.

required
write_do0_time_below_threshold(value) #

Writes a value to the DO0TimeBelowThreshold register.

Parameters:

Name Type Description Default
value int

Value to write to the DO0TimeBelowThreshold register.

required
write_do1_target_channel(value) #

Writes a value to the DO1TargetChannel register.

Parameters:

Name Type Description Default
value AdcChannel

Value to write to the DO1TargetChannel register.

required
write_do1_threshold(value) #

Writes a value to the DO1Threshold register.

Parameters:

Name Type Description Default
value int

Value to write to the DO1Threshold register.

required
write_do1_time_above_threshold(value) #

Writes a value to the DO1TimeAboveThreshold register.

Parameters:

Name Type Description Default
value int

Value to write to the DO1TimeAboveThreshold register.

required
write_do1_time_below_threshold(value) #

Writes a value to the DO1TimeBelowThreshold register.

Parameters:

Name Type Description Default
value int

Value to write to the DO1TimeBelowThreshold register.

required
write_do2_target_channel(value) #

Writes a value to the DO2TargetChannel register.

Parameters:

Name Type Description Default
value AdcChannel

Value to write to the DO2TargetChannel register.

required
write_do2_threshold(value) #

Writes a value to the DO2Threshold register.

Parameters:

Name Type Description Default
value int

Value to write to the DO2Threshold register.

required
write_do2_time_above_threshold(value) #

Writes a value to the DO2TimeAboveThreshold register.

Parameters:

Name Type Description Default
value int

Value to write to the DO2TimeAboveThreshold register.

required
write_do2_time_below_threshold(value) #

Writes a value to the DO2TimeBelowThreshold register.

Parameters:

Name Type Description Default
value int

Value to write to the DO2TimeBelowThreshold register.

required
write_do3_target_channel(value) #

Writes a value to the DO3TargetChannel register.

Parameters:

Name Type Description Default
value AdcChannel

Value to write to the DO3TargetChannel register.

required
write_do3_threshold(value) #

Writes a value to the DO3Threshold register.

Parameters:

Name Type Description Default
value int

Value to write to the DO3Threshold register.

required
write_do3_time_above_threshold(value) #

Writes a value to the DO3TimeAboveThreshold register.

Parameters:

Name Type Description Default
value int

Value to write to the DO3TimeAboveThreshold register.

required
write_do3_time_below_threshold(value) #

Writes a value to the DO3TimeBelowThreshold register.

Parameters:

Name Type Description Default
value int

Value to write to the DO3TimeBelowThreshold register.

required
write_range_and_filter(value) #

Writes a value to the RangeAndFilter register.

Parameters:

Name Type Description Default
value RangeAndFilterConfig

Value to write to the RangeAndFilter register.

required
write_sampling_rate(value) #

Writes a value to the SamplingRate register.

Parameters:

Name Type Description Default
value SamplingRateMode

Value to write to the SamplingRate register.

required
write_sync_output(value) #

Writes a value to the SyncOutput register.

Parameters:

Name Type Description Default
value StartSyncOutputTarget

Value to write to the SyncOutput register.

required

AnalogInputRegisters #

Bases: IntEnum

Enum for all available registers in the AnalogInput device.

Attributes:

Name Type Description
ACQUISITION_STATE int

Enables the data acquisition.

ANALOG_DATA int

Value from a single read of all ADC channels.

DIGITAL_INPUT_STATE int

State of the digital input pin 0.

RANGE_AND_FILTER int

Sets the range and LowPass filter cutoff of the ADC.

SAMPLING_RATE int

Sets the sampling frequency of the ADC.

DI0_TRIGGER int

Configuration of the digital input pin 0.

DO0_SYNC int

Configuration of the digital output pin 0.

DO0_PULSE_WIDTH int

Pulse duration (ms) for the digital output pin 0. The pulse will only be emitted when DO0Sync == Pulse.

DIGITAL_OUTPUT_SET int

Set the specified digital output lines.

DIGITAL_OUTPUT_CLEAR int

Clear the specified digital output lines.

DIGITAL_OUTPUT_TOGGLE int

Toggle the specified digital output lines

DIGITAL_OUTPUT_STATE int

Write the state of all digital output lines. An event will be emitted when the value of any pin was changed by a threshold event.

SYNC_OUTPUT int

Digital output that will be set when acquisition starts.

DO0_TARGET_CHANNEL int

Target ADC channel that will be used to trigger a threshold event on DO0 pin.

DO1_TARGET_CHANNEL int

Target ADC channel that will be used to trigger a threshold event on DO1 pin.

DO2_TARGET_CHANNEL int

Target ADC channel that will be used to trigger a threshold event on DO2 pin.

DO3_TARGET_CHANNEL int

Target ADC channel that will be used to trigger a threshold event on DO3 pin.

DO0_THRESHOLD int

Value used to threshold an ADC read, and trigger DO0 pin.

DO1_THRESHOLD int

Value used to threshold an ADC read, and trigger DO1 pin.

DO2_THRESHOLD int

Value used to threshold an ADC read, and trigger DO2 pin.

DO3_THRESHOLD int

Value used to threshold an ADC read, and trigger DO3 pin.

DO0_TIME_ABOVE_THRESHOLD int

Time (ms) above threshold value that is required to trigger a DO0 pin event.

DO1_TIME_ABOVE_THRESHOLD int

Time (ms) above threshold value that is required to trigger a DO1 pin event.

DO2_TIME_ABOVE_THRESHOLD int

Time (ms) above threshold value that is required to trigger a DO2 pin event.

DO3_TIME_ABOVE_THRESHOLD int

Time (ms) above threshold value that is required to trigger a DO3 pin event.

DO0_TIME_BELOW_THRESHOLD int

Time (ms) below threshold value that is required to trigger a DO0 pin event.

DO1_TIME_BELOW_THRESHOLD int

Time (ms) below threshold value that is required to trigger a DO1 pin event.

DO2_TIME_BELOW_THRESHOLD int

Time (ms) below threshold value that is required to trigger a DO2 pin event.

DO3_TIME_BELOW_THRESHOLD int

Time (ms) below threshold value that is required to trigger a DO3 pin event.

DigitalInputs #

Bases: IntFlag

Available digital input lines.

Attributes:

Name Type Description
DI0 int

No description currently available

DigitalOutputs #

Bases: IntFlag

Specifies the state of port digital output lines.

Attributes:

Name Type Description
DO0 int

No description currently available

DO1 int

No description currently available

DO2 int

No description currently available

DO3 int

No description currently available

DO0_CHANGED int

No description currently available

DO1_CHANGED int

No description currently available

DO2_CHANGED int

No description currently available

DO4_CHANGED int

No description currently available

RangeAndFilterConfig #

Bases: IntEnum

Available settings to set the range (Volt) and LowPass filter cutoff (Hz) of the ADC.

Attributes:

Name Type Description
RANGE_5V_LOW_PASS_1500HZ int

No description currently available

RANGE_5V_LOW_PASS_3000HZ int

No description currently available

RANGE_5V_LOW_PASS_6000HZ int

No description currently available

RANGE_5V_LOW_PASS_10300HZ int

No description currently available

RANGE_5V_LOW_PASS_13700HZ int

No description currently available

RANGE_5V_LOW_PASS_15000HZ int

No description currently available

RANGE_10V_LOW_PASS_1500HZ int

No description currently available

RANGE_10V_LOW_PASS_3000HZ int

No description currently available

RANGE_10V_LOW_PASS_6000HZ int

No description currently available

RANGE_10V_LOW_PASS_11900HZ int

No description currently available

RANGE_10V_LOW_PASS_18500HZ int

No description currently available

RANGE_10V_LOW_PASS_22000HZ int

No description currently available

SamplingRateMode #

Bases: IntEnum

Available sampling frequency settings of the ADC.

Attributes:

Name Type Description
SAMPLING_RATE_1000HZ int

No description currently available

SAMPLING_RATE_2000HZ int

No description currently available

StartSyncOutputTarget #

Bases: IntEnum

Available digital output pins that are able to be triggered on acquisition start.

Attributes:

Name Type Description
NONE int

No description currently available

DO0 int

No description currently available

DO1 int

No description currently available

DO2 int

No description currently available

DO3 int

No description currently available

SyncConfig #

Bases: IntEnum

Available configurations when using DO0 pin to report firmware events.

Attributes:

Name Type Description
NONE int

No description currently available

HEARTBEAT int

No description currently available

PULSE int

No description currently available

TriggerConfig #

Bases: IntEnum

Available configurations for when using DI0 as an acquisition trigger.

Attributes:

Name Type Description
NONE int

No description currently available

START_ON_RISING_EDGE int

No description currently available

START_ON_FALLING_EDGE int

No description currently available

SAMPLE_ON_RISING_EDGE int

No description currently available