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harp.devices.laserdrivercontroller #

Bncs #

Bases: IntFlag

Specifies the state of BNCs

Attributes:

Name Type Description
BNC1 int

No description currently available

BNC2 int

No description currently available

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

DigitalOutputs #

Bases: IntFlag

Specifies the state of port digital output lines.

Attributes:

Name Type Description
DO1 int

No description currently available

DO2 int

No description currently available

FrequencySelect #

Bases: IntEnum

Selects laser frequency mode

Attributes:

Name Type Description
NONE int

No description currently available

F1 int

No description currently available

F2 int

No description currently available

F3 int

No description currently available

C_W 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.

LaserDriverController #

Bases: Device

LaserDriverController class for controlling the device.

read_bnc1_off() #

Reads the contents of the Bnc1Off register.

Returns:

Type Description
int

Value read from the Bnc1Off register.

read_bnc1_on() #

Reads the contents of the Bnc1On register.

Returns:

Type Description
int

Value read from the Bnc1On register.

read_bnc1_pulses() #

Reads the contents of the Bnc1Pulses register.

Returns:

Type Description
int

Value read from the Bnc1Pulses register.

read_bnc1_tail() #

Reads the contents of the Bnc1Tail register.

Returns:

Type Description
int

Value read from the Bnc1Tail register.

read_bnc2_off() #

Reads the contents of the Bnc2Off register.

Returns:

Type Description
int

Value read from the Bnc2Off register.

read_bnc2_on() #

Reads the contents of the Bnc2On register.

Returns:

Type Description
int

Value read from the Bnc2On register.

read_bnc2_pulses() #

Reads the contents of the Bnc2Pulses register.

Returns:

Type Description
int

Value read from the Bnc2Pulses register.

read_bnc2_tail() #

Reads the contents of the Bnc2Tail register.

Returns:

Type Description
int

Value read from the Bnc2Tail register.

read_bncs_state() #

Reads the contents of the BncsState register.

Returns:

Type Description
Bncs

Value read from the BncsState register.

read_event_enable() #

Reads the contents of the EventEnable register.

Returns:

Type Description
LaserDriverControllerEvents

Value read from the EventEnable register.

read_laser_frequency_select() #

Reads the contents of the LaserFrequencySelect register.

Returns:

Type Description
FrequencySelect

Value read from the LaserFrequencySelect register.

read_laser_intensity() #

Reads the contents of the LaserIntensity register.

Returns:

Type Description
int

Value read from the LaserIntensity register.

read_laser_state() #

Reads the contents of the LaserState register.

Returns:

Type Description
int

Value read from the LaserState register.

read_output_clear() #

Reads the contents of the OutputClear register.

Returns:

Type Description
DigitalOutputs

Value read from the OutputClear register.

read_output_set() #

Reads the contents of the OutputSet register.

Returns:

Type Description
DigitalOutputs

Value read from the OutputSet register.

read_output_state() #

Reads the contents of the OutputState register.

Returns:

Type Description
DigitalOutputs

Value read from the OutputState register.

read_output_toggle() #

Reads the contents of the OutputToggle register.

Returns:

Type Description
DigitalOutputs

Value read from the OutputToggle register.

read_signal_a_off() #

Reads the contents of the SignalAOff register.

Returns:

Type Description
int

Value read from the SignalAOff register.

read_signal_a_on() #

Reads the contents of the SignalAOn register.

Returns:

Type Description
int

Value read from the SignalAOn register.

read_signal_a_pulses() #

Reads the contents of the SignalAPulses register.

Returns:

Type Description
int

Value read from the SignalAPulses register.

read_signal_a_tail() #

Reads the contents of the SignalATail register.

Returns:

Type Description
int

Value read from the SignalATail register.

read_signal_b_off() #

Reads the contents of the SignalBOff register.

Returns:

Type Description
int

Value read from the SignalBOff register.

read_signal_b_on() #

Reads the contents of the SignalBOn register.

Returns:

Type Description
int

Value read from the SignalBOn register.

read_signal_b_pulses() #

Reads the contents of the SignalBPulses register.

Returns:

Type Description
int

Value read from the SignalBPulses register.

read_signal_b_tail() #

Reads the contents of the SignalBTail register.

Returns:

Type Description
int

Value read from the SignalBTail register.

read_signal_state() #

Reads the contents of the SignalState register.

Returns:

Type Description
Signals

Value read from the SignalState register.

read_spad_switch() #

Reads the contents of the SpadSwitch register.

Returns:

Type Description
int

Value read from the SpadSwitch register.

write_bnc1_off(value) #

Writes a value to the Bnc1Off register.

Parameters:

Name Type Description Default
value int

Value to write to the Bnc1Off register.

required

write_bnc1_on(value) #

Writes a value to the Bnc1On register.

Parameters:

Name Type Description Default
value int

Value to write to the Bnc1On register.

required

write_bnc1_pulses(value) #

Writes a value to the Bnc1Pulses register.

Parameters:

Name Type Description Default
value int

Value to write to the Bnc1Pulses register.

required

write_bnc1_tail(value) #

Writes a value to the Bnc1Tail register.

Parameters:

Name Type Description Default
value int

Value to write to the Bnc1Tail register.

required

write_bnc2_off(value) #

Writes a value to the Bnc2Off register.

Parameters:

Name Type Description Default
value int

Value to write to the Bnc2Off register.

required

write_bnc2_on(value) #

Writes a value to the Bnc2On register.

Parameters:

Name Type Description Default
value int

Value to write to the Bnc2On register.

required

write_bnc2_pulses(value) #

Writes a value to the Bnc2Pulses register.

Parameters:

Name Type Description Default
value int

Value to write to the Bnc2Pulses register.

required

write_bnc2_tail(value) #

Writes a value to the Bnc2Tail register.

Parameters:

Name Type Description Default
value int

Value to write to the Bnc2Tail register.

required

write_bncs_state(value) #

Writes a value to the BncsState register.

Parameters:

Name Type Description Default
value Bncs

Value to write to the BncsState register.

required

write_event_enable(value) #

Writes a value to the EventEnable register.

Parameters:

Name Type Description Default
value LaserDriverControllerEvents

Value to write to the EventEnable register.

required

write_laser_frequency_select(value) #

Writes a value to the LaserFrequencySelect register.

Parameters:

Name Type Description Default
value FrequencySelect

Value to write to the LaserFrequencySelect register.

required

write_laser_intensity(value) #

Writes a value to the LaserIntensity register.

Parameters:

Name Type Description Default
value int

Value to write to the LaserIntensity register.

required

write_laser_state(value) #

Writes a value to the LaserState register.

Parameters:

Name Type Description Default
value int

Value to write to the LaserState register.

required

write_output_clear(value) #

Writes a value to the OutputClear register.

Parameters:

Name Type Description Default
value DigitalOutputs

Value to write to the OutputClear register.

required

write_output_set(value) #

Writes a value to the OutputSet register.

Parameters:

Name Type Description Default
value DigitalOutputs

Value to write to the OutputSet register.

required

write_output_state(value) #

Writes a value to the OutputState register.

Parameters:

Name Type Description Default
value DigitalOutputs

Value to write to the OutputState register.

required

write_output_toggle(value) #

Writes a value to the OutputToggle register.

Parameters:

Name Type Description Default
value DigitalOutputs

Value to write to the OutputToggle register.

required

write_signal_a_off(value) #

Writes a value to the SignalAOff register.

Parameters:

Name Type Description Default
value int

Value to write to the SignalAOff register.

required

write_signal_a_on(value) #

Writes a value to the SignalAOn register.

Parameters:

Name Type Description Default
value int

Value to write to the SignalAOn register.

required

write_signal_a_pulses(value) #

Writes a value to the SignalAPulses register.

Parameters:

Name Type Description Default
value int

Value to write to the SignalAPulses register.

required

write_signal_a_tail(value) #

Writes a value to the SignalATail register.

Parameters:

Name Type Description Default
value int

Value to write to the SignalATail register.

required

write_signal_b_off(value) #

Writes a value to the SignalBOff register.

Parameters:

Name Type Description Default
value int

Value to write to the SignalBOff register.

required

write_signal_b_on(value) #

Writes a value to the SignalBOn register.

Parameters:

Name Type Description Default
value int

Value to write to the SignalBOn register.

required

write_signal_b_pulses(value) #

Writes a value to the SignalBPulses register.

Parameters:

Name Type Description Default
value int

Value to write to the SignalBPulses register.

required

write_signal_b_tail(value) #

Writes a value to the SignalBTail register.

Parameters:

Name Type Description Default
value int

Value to write to the SignalBTail register.

required

write_signal_state(value) #

Writes a value to the SignalState register.

Parameters:

Name Type Description Default
value Signals

Value to write to the SignalState register.

required

write_spad_switch(value) #

Writes a value to the SpadSwitch register.

Parameters:

Name Type Description Default
value int

Value to write to the SpadSwitch register.

required

LaserDriverControllerEvents #

Bases: IntFlag

Specifies the active events in the device

Attributes:

Name Type Description
EVENT_SPAD_SWITCH int

No description currently available

EVENT_LASER_STATE int

No description currently available

LaserDriverControllerRegisters #

Bases: IntEnum

Enum for all available registers in the LaserDriverController device.

Attributes:

Name Type Description
SPAD_SWITCH int

Turns ON/OFF the relay to switch SPADs supply

LASER_STATE int

State of the laser, ON/OFF

LASER_FREQUENCY_SELECT int

Set the laser frequency

LASER_INTENSITY int

Laser intensity value [0:255]

OUTPUT_SET int

Set the specified digital output lines

OUTPUT_CLEAR int

Clear the specified digital output lines

OUTPUT_TOGGLE int

Toggle the specified digital output lines

OUTPUT_STATE int

Write the state of all digital output lines

BNCS_STATE int

Configure BNCs to start

SIGNAL_STATE int

Configure Signals to start

BNC1_ON int

Time ON of BNC1 (milliseconds) [1:65535]

BNC1_OFF int

Time OFF of BNC1 (milliseconds) [1:65535]

BNC1_PULSES int

Number of pulses (BNC1) [0;65535], 0-> infinite repeat

BNC1_TAIL int

Wait time to start (milliseconds) (BNC1) [1;65535]

BNC2_ON int

Time ON of BNC2 (milliseconds) [1:65535]

BNC2_OFF int

Time OFF of BNC2 (milliseconds) [1:65535]

BNC2_PULSES int

Number of pulses (BNC2) [0;65535], 0-> infinite repeat

BNC2_TAIL int

Wait time to start (milliseconds) (BNC2) [1;65535]

SIGNAL_A_ON int

Time ON of SignalA (milliseconds) [1:65535]

SIGNAL_A_OFF int

Time OFF of SignalA (milliseconds) [1:65535]

SIGNAL_A_PULSES int

Number of pulses (SignalA) [0;65535], 0-> infinite repeat

SIGNAL_A_TAIL int

Wait time to start (milliseconds) (SignalA) [1;65535]

SIGNAL_B_ON int

Time ON of SignalB (milliseconds) [1:65535]

SIGNAL_B_OFF int

Time OFF of SignalB (milliseconds) [1:65535]

SIGNAL_B_PULSES int

Number of pulses (SignalB) [0;65535], 0-> infinite repeat

SIGNAL_B_TAIL int

Wait time to start (milliseconds) (SignalB) [1;65535]

EVENT_ENABLE int

Specifies the active events in the 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

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

Signals #

Bases: IntFlag

Specifies the state of Signals

Attributes:

Name Type Description
SIGNAL_A int

No description currently available

SIGNAL_B int

No description currently available

harpdevice #

Bncs #

Bases: IntFlag

Specifies the state of BNCs

Attributes:

Name Type Description
BNC1 int

No description currently available

BNC2 int

No description currently available

DigitalOutputs #

Bases: IntFlag

Specifies the state of port digital output lines.

Attributes:

Name Type Description
DO1 int

No description currently available

DO2 int

No description currently available

FrequencySelect #

Bases: IntEnum

Selects laser frequency mode

Attributes:

Name Type Description
NONE int

No description currently available

F1 int

No description currently available

F2 int

No description currently available

F3 int

No description currently available

C_W int

No description currently available

LaserDriverController #

Bases: Device

LaserDriverController class for controlling the device.

read_bnc1_off() #

Reads the contents of the Bnc1Off register.

Returns:

Type Description
int

Value read from the Bnc1Off register.

read_bnc1_on() #

Reads the contents of the Bnc1On register.

Returns:

Type Description
int

Value read from the Bnc1On register.

read_bnc1_pulses() #

Reads the contents of the Bnc1Pulses register.

Returns:

Type Description
int

Value read from the Bnc1Pulses register.

read_bnc1_tail() #

Reads the contents of the Bnc1Tail register.

Returns:

Type Description
int

Value read from the Bnc1Tail register.

read_bnc2_off() #

Reads the contents of the Bnc2Off register.

Returns:

Type Description
int

Value read from the Bnc2Off register.

read_bnc2_on() #

Reads the contents of the Bnc2On register.

Returns:

Type Description
int

Value read from the Bnc2On register.

read_bnc2_pulses() #

Reads the contents of the Bnc2Pulses register.

Returns:

Type Description
int

Value read from the Bnc2Pulses register.

read_bnc2_tail() #

Reads the contents of the Bnc2Tail register.

Returns:

Type Description
int

Value read from the Bnc2Tail register.

read_bncs_state() #

Reads the contents of the BncsState register.

Returns:

Type Description
Bncs

Value read from the BncsState register.

read_event_enable() #

Reads the contents of the EventEnable register.

Returns:

Type Description
LaserDriverControllerEvents

Value read from the EventEnable register.

read_laser_frequency_select() #

Reads the contents of the LaserFrequencySelect register.

Returns:

Type Description
FrequencySelect

Value read from the LaserFrequencySelect register.

read_laser_intensity() #

Reads the contents of the LaserIntensity register.

Returns:

Type Description
int

Value read from the LaserIntensity register.

read_laser_state() #

Reads the contents of the LaserState register.

Returns:

Type Description
int

Value read from the LaserState register.

read_output_clear() #

Reads the contents of the OutputClear register.

Returns:

Type Description
DigitalOutputs

Value read from the OutputClear register.

read_output_set() #

Reads the contents of the OutputSet register.

Returns:

Type Description
DigitalOutputs

Value read from the OutputSet register.

read_output_state() #

Reads the contents of the OutputState register.

Returns:

Type Description
DigitalOutputs

Value read from the OutputState register.

read_output_toggle() #

Reads the contents of the OutputToggle register.

Returns:

Type Description
DigitalOutputs

Value read from the OutputToggle register.

read_signal_a_off() #

Reads the contents of the SignalAOff register.

Returns:

Type Description
int

Value read from the SignalAOff register.

read_signal_a_on() #

Reads the contents of the SignalAOn register.

Returns:

Type Description
int

Value read from the SignalAOn register.

read_signal_a_pulses() #

Reads the contents of the SignalAPulses register.

Returns:

Type Description
int

Value read from the SignalAPulses register.

read_signal_a_tail() #

Reads the contents of the SignalATail register.

Returns:

Type Description
int

Value read from the SignalATail register.

read_signal_b_off() #

Reads the contents of the SignalBOff register.

Returns:

Type Description
int

Value read from the SignalBOff register.

read_signal_b_on() #

Reads the contents of the SignalBOn register.

Returns:

Type Description
int

Value read from the SignalBOn register.

read_signal_b_pulses() #

Reads the contents of the SignalBPulses register.

Returns:

Type Description
int

Value read from the SignalBPulses register.

read_signal_b_tail() #

Reads the contents of the SignalBTail register.

Returns:

Type Description
int

Value read from the SignalBTail register.

read_signal_state() #

Reads the contents of the SignalState register.

Returns:

Type Description
Signals

Value read from the SignalState register.

read_spad_switch() #

Reads the contents of the SpadSwitch register.

Returns:

Type Description
int

Value read from the SpadSwitch register.

write_bnc1_off(value) #

Writes a value to the Bnc1Off register.

Parameters:

Name Type Description Default
value int

Value to write to the Bnc1Off register.

required
write_bnc1_on(value) #

Writes a value to the Bnc1On register.

Parameters:

Name Type Description Default
value int

Value to write to the Bnc1On register.

required
write_bnc1_pulses(value) #

Writes a value to the Bnc1Pulses register.

Parameters:

Name Type Description Default
value int

Value to write to the Bnc1Pulses register.

required
write_bnc1_tail(value) #

Writes a value to the Bnc1Tail register.

Parameters:

Name Type Description Default
value int

Value to write to the Bnc1Tail register.

required
write_bnc2_off(value) #

Writes a value to the Bnc2Off register.

Parameters:

Name Type Description Default
value int

Value to write to the Bnc2Off register.

required
write_bnc2_on(value) #

Writes a value to the Bnc2On register.

Parameters:

Name Type Description Default
value int

Value to write to the Bnc2On register.

required
write_bnc2_pulses(value) #

Writes a value to the Bnc2Pulses register.

Parameters:

Name Type Description Default
value int

Value to write to the Bnc2Pulses register.

required
write_bnc2_tail(value) #

Writes a value to the Bnc2Tail register.

Parameters:

Name Type Description Default
value int

Value to write to the Bnc2Tail register.

required
write_bncs_state(value) #

Writes a value to the BncsState register.

Parameters:

Name Type Description Default
value Bncs

Value to write to the BncsState register.

required
write_event_enable(value) #

Writes a value to the EventEnable register.

Parameters:

Name Type Description Default
value LaserDriverControllerEvents

Value to write to the EventEnable register.

required
write_laser_frequency_select(value) #

Writes a value to the LaserFrequencySelect register.

Parameters:

Name Type Description Default
value FrequencySelect

Value to write to the LaserFrequencySelect register.

required
write_laser_intensity(value) #

Writes a value to the LaserIntensity register.

Parameters:

Name Type Description Default
value int

Value to write to the LaserIntensity register.

required
write_laser_state(value) #

Writes a value to the LaserState register.

Parameters:

Name Type Description Default
value int

Value to write to the LaserState register.

required
write_output_clear(value) #

Writes a value to the OutputClear register.

Parameters:

Name Type Description Default
value DigitalOutputs

Value to write to the OutputClear register.

required
write_output_set(value) #

Writes a value to the OutputSet register.

Parameters:

Name Type Description Default
value DigitalOutputs

Value to write to the OutputSet register.

required
write_output_state(value) #

Writes a value to the OutputState register.

Parameters:

Name Type Description Default
value DigitalOutputs

Value to write to the OutputState register.

required
write_output_toggle(value) #

Writes a value to the OutputToggle register.

Parameters:

Name Type Description Default
value DigitalOutputs

Value to write to the OutputToggle register.

required
write_signal_a_off(value) #

Writes a value to the SignalAOff register.

Parameters:

Name Type Description Default
value int

Value to write to the SignalAOff register.

required
write_signal_a_on(value) #

Writes a value to the SignalAOn register.

Parameters:

Name Type Description Default
value int

Value to write to the SignalAOn register.

required
write_signal_a_pulses(value) #

Writes a value to the SignalAPulses register.

Parameters:

Name Type Description Default
value int

Value to write to the SignalAPulses register.

required
write_signal_a_tail(value) #

Writes a value to the SignalATail register.

Parameters:

Name Type Description Default
value int

Value to write to the SignalATail register.

required
write_signal_b_off(value) #

Writes a value to the SignalBOff register.

Parameters:

Name Type Description Default
value int

Value to write to the SignalBOff register.

required
write_signal_b_on(value) #

Writes a value to the SignalBOn register.

Parameters:

Name Type Description Default
value int

Value to write to the SignalBOn register.

required
write_signal_b_pulses(value) #

Writes a value to the SignalBPulses register.

Parameters:

Name Type Description Default
value int

Value to write to the SignalBPulses register.

required
write_signal_b_tail(value) #

Writes a value to the SignalBTail register.

Parameters:

Name Type Description Default
value int

Value to write to the SignalBTail register.

required
write_signal_state(value) #

Writes a value to the SignalState register.

Parameters:

Name Type Description Default
value Signals

Value to write to the SignalState register.

required
write_spad_switch(value) #

Writes a value to the SpadSwitch register.

Parameters:

Name Type Description Default
value int

Value to write to the SpadSwitch register.

required

LaserDriverControllerEvents #

Bases: IntFlag

Specifies the active events in the device

Attributes:

Name Type Description
EVENT_SPAD_SWITCH int

No description currently available

EVENT_LASER_STATE int

No description currently available

LaserDriverControllerRegisters #

Bases: IntEnum

Enum for all available registers in the LaserDriverController device.

Attributes:

Name Type Description
SPAD_SWITCH int

Turns ON/OFF the relay to switch SPADs supply

LASER_STATE int

State of the laser, ON/OFF

LASER_FREQUENCY_SELECT int

Set the laser frequency

LASER_INTENSITY int

Laser intensity value [0:255]

OUTPUT_SET int

Set the specified digital output lines

OUTPUT_CLEAR int

Clear the specified digital output lines

OUTPUT_TOGGLE int

Toggle the specified digital output lines

OUTPUT_STATE int

Write the state of all digital output lines

BNCS_STATE int

Configure BNCs to start

SIGNAL_STATE int

Configure Signals to start

BNC1_ON int

Time ON of BNC1 (milliseconds) [1:65535]

BNC1_OFF int

Time OFF of BNC1 (milliseconds) [1:65535]

BNC1_PULSES int

Number of pulses (BNC1) [0;65535], 0-> infinite repeat

BNC1_TAIL int

Wait time to start (milliseconds) (BNC1) [1;65535]

BNC2_ON int

Time ON of BNC2 (milliseconds) [1:65535]

BNC2_OFF int

Time OFF of BNC2 (milliseconds) [1:65535]

BNC2_PULSES int

Number of pulses (BNC2) [0;65535], 0-> infinite repeat

BNC2_TAIL int

Wait time to start (milliseconds) (BNC2) [1;65535]

SIGNAL_A_ON int

Time ON of SignalA (milliseconds) [1:65535]

SIGNAL_A_OFF int

Time OFF of SignalA (milliseconds) [1:65535]

SIGNAL_A_PULSES int

Number of pulses (SignalA) [0;65535], 0-> infinite repeat

SIGNAL_A_TAIL int

Wait time to start (milliseconds) (SignalA) [1;65535]

SIGNAL_B_ON int

Time ON of SignalB (milliseconds) [1:65535]

SIGNAL_B_OFF int

Time OFF of SignalB (milliseconds) [1:65535]

SIGNAL_B_PULSES int

Number of pulses (SignalB) [0;65535], 0-> infinite repeat

SIGNAL_B_TAIL int

Wait time to start (milliseconds) (SignalB) [1;65535]

EVENT_ENABLE int

Specifies the active events in the device

Signals #

Bases: IntFlag

Specifies the state of Signals

Attributes:

Name Type Description
SIGNAL_A int

No description currently available

SIGNAL_B int

No description currently available