odom_dataset / metadata /tof_sensor.yaml
YangLiu1021's picture
document TOFSense-M cascade metadata
492381f
Raw
History Blame Contribute Delete
3.29 kB
sensor_name: tof_cascade
manufacturer: Nooploop
model: TOFSense-M
product_family:
- TOFSense-M
- TOFSense-M S
firmware_version_from_manual: V2.0.2
sensor_type: time_of_flight_matrix_laser_ranger
dataset_topic:
topic: /nlink_tofsensem_cascade
ros_message_type: nlink_parser/TofsenseMCascade
node_message_type: nlink_parser/TofsenseMFrame0
pixel_message_type: nlink_parser/TofsenseMFrame0Pixel
collection_configuration:
interface: UART
output_mode: query
cascade_nodes: 6
pixel_mode: 8x8
pixels_per_node: 64
expected_pixels_per_message: 384
nominal_refresh_hz_per_node: 15
uart:
baud_rate_bps: 921600
data_bits: 8
stop_bits: 1
parity: none
flow_control: none
protocol:
query_frame: NLink_TOFSense_Read_Frame0
output_frame: NLink_TOFSense_M_Frame0
byte_order: little_endian
message_layout:
nodes:
type: array
expected_length: 6
fields:
id:
type: uint8
description: Module ID in the cascade.
system_time:
type: uint32
description: Sensor-side system time from the TOFSense-M frame.
pixel_count:
type: uint8
expected_value: 64
pixels:
type: array
expected_length: 64
order: row_major_index_0_to_63
pixel_fields:
dis:
type: float32
unit: mm
valid_when: dis_status == 0 and dis > 0
description: Distance decoded by the nlink_parser from the protocol integer scale.
dis_status:
type: uint8
description: Per-pixel distance status code.
signal_strength:
type: uint16
unit: raw_count
description: Return signal strength. Larger values mean stronger returns.
distance_status_codes:
0: measurement_usable
1: signal_strength_too_low
2: phase_target
3: target_noise_estimate_too_high
4: target_consistency_check_failed
5: measurement_not_updated
6: wraparound_not_performed_usually_first_measurement
7: rate_inconsistent
8: current_target_signal_strength_low
9: large_pulse_valid_range_possible_merged_target
10: usable_but_target_not_detected_in_previous_detection
11: measurement_inconsistent
12: target_ambiguous
13: target_detected_but_data_inconsistent_usually_secondary_target
255: target_not_detected
specifications:
ranging_range_m:
at_600_lux:
min: 0.015
max: 4.0
at_60000_lux:
min: 0.015
max: 2.0
at_100000_lux:
min: 0.015
max: 1.2
distance_resolution_mm: 1
typical_accuracy_cm: 1.5
typical_standard_deviation_cm: 1.0
typical_standard_deviation_condition: indoor_600_lux_at_4m
field_of_view_deg:
horizontal: 45
vertical: 45
diagonal: 65
supported_pixel_modes:
- mode: 8x8
pixels: 64
nominal_refresh_hz: 15
- mode: 4x4
pixels: 16
nominal_refresh_hz: 60
wavelength_nm: 940
laser_class:
iec_60825_1_2014: Class 1
gb_7247_1_2012: class_1_laser_product
power:
typical_power_mw: 670
supply_voltage_v:
uart:
min: 3.7
max: 5.2
can:
min: 4.2
max: 5.2
communication:
supported_interfaces:
- UART
- CAN
max_cascade_nodes:
uart: 8
can: 7
manuals:
- TOFSense-M_Datasheet_V3.0_zh.pdf
- TOFSense-M_User_Manual_V3.0_zh.pdf