User Guide

54A0049_7.0_EN / Leddar Pixell – User Guide 119 | 127
Table 54: Data detection packet for n detections
Item
Value
Answer header
Server protocol version
Data server protocol version 3 = 0x0003
Request code
LT_COMM_DATASRV_REQUEST_SEND_ECHOES = 0x0020
Request size
212 bytes = 0x000000D4
Element header
Element code
LT_COMM_ID_FRAME_ID = 0x1092
Element count
1 element = 0x0001
Element size
8 bytes = 0x00000008
Element data
LT_COMM_ID_FRAME_ID field
Frame unique identification number = 0x0000000000000000
Element header
Element code
LT_COMM_ID_TIMESTAMP = 0x1050
Element count
1 element = 0x0001
Element size
4 bytes = 0x00000004
Element data
LT_COMM_ID_TIMESTAMP field
Acquisition timestamp = 0x00000000
Element header
Element code
LT_COMM_ID_AUTO_TIMESTAMP64 = 0x2721
Element count
1 element = 0x0001
Element size
8 bytes = 0x00000008
Element data
LT_COMM_ID_AUTO_TIMESTAMP64 field
Acquisition timestamp = 0x0000000000000000
Element header
Element code
LT_COMM_ID_AUTO_NUMBER_DATA_SENT = 0x2501
Element count
2 elements
Element size
4 bytes per element = 0x00000004
Element data
LT_COMM_ID_AUTO_NUMBER_DATA_SENT field
Index of the first detection
n - number of detections sent by the data server
Element header
Element code
LT_COMM_ID_AUTO_ECHOES_DISTANCE = 0x2703
Element count
n elements
Element size
4 bytes per element = 0x00000004
Element data
LT_COMM_ID_AUTO_ECHOES_DISTANCE field
Array of n distances words (4 bytes word) scaled at ELEM_DISTANCE_SCALE. See
Example 3.
Element header
Element code
LT_COMM_ID_AUTO_ECHOES_CHANNEL_INDEX= 0x2700
Element count
n elements
Element size
1 byte per element = 0x00000001
Element data
ELEM_ECHOES_CHANNEL_INDEX field
Array of n segments indexes bytes. See section 2 on page 17.
Element header
Element code
LT_COMM_ID_AUTO_ECHOES_AMPLITUDE = 0x2702
Element count
n elements
Element size
4 bytes per element = 0x00000004
Element data
LT_COMM_ID_AUTO_ECHOES_AMPLITUDE field
Array of n amplitudes words (4 bytes word) scaled at LT_COMM_ID_FILTERED_SCALE.
See Example 3.
Element header
Element code
LT_COMM_ID_AUTO_ECHOES_VALID = 0x0004
Element count
n elements
Element size
1 byte per element = 0x00000001
Element data
LT_COMM_ID_AUTO_ECHOES_VALID field
Array of n flags bytes