velodyne_rawdata Namespace Reference

Classes
class	DataContainerBase
struct	raw_block
	Raw Velodyne data block. More...
struct	raw_packet
	Raw Velodyne packet. More...
class	RawData
	Velodyne data conversion class. More...
union	two_bytes
Typedefs
typedef struct velodyne_rawdata::raw_block	raw_block_t
	Raw Velodyne data block.
typedef struct velodyne_rawdata::raw_packet	raw_packet_t
	Raw Velodyne packet.
Functions
float	SQR (float val)
Variables
static const int	BLOCK_DATA_SIZE = (SCANS_PER_BLOCK * RAW_SCAN_SIZE)
static const int	BLOCKS_PER_PACKET = 12
static const uint16_t	LOWER_BANK = 0xddff
static const int	PACKET_SIZE = 1206
static const int	PACKET_STATUS_SIZE = 4
static const int	RAW_SCAN_SIZE = 3
static const uint16_t	ROTATION_MAX_UNITS = 36000u
static const float	ROTATION_RESOLUTION = 0.01f
static const int	SCANS_PER_BLOCK = 32
static const int	SCANS_PER_PACKET = (SCANS_PER_BLOCK * BLOCKS_PER_PACKET)
static const int	SIZE_BLOCK = 100
static const uint16_t	UPPER_BANK = 0xeeff
static const float	VLP16_BLOCK_TDURATION = 110.592f
static const float	VLP16_DSR_TOFFSET = 2.304f
static const float	VLP16_FIRING_TOFFSET = 55.296f
static const int	VLP16_FIRINGS_PER_BLOCK = 2
static const int	VLP16_SCANS_PER_FIRING = 16

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Typedef Documentation

typedef struct velodyne_rawdata::raw_block velodyne_rawdata::raw_block_t

Raw Velodyne data block.

Each block contains data from either the upper or lower laser bank. The device returns three times as many upper bank blocks.

use stdint.h types, so things work with both 64 and 32-bit machines

typedef struct velodyne_rawdata::raw_packet velodyne_rawdata::raw_packet_t

Raw Velodyne packet.

revolution is described in the device manual as incrementing (mod 65536) for each physical turn of the device. Our device seems to alternate between two different values every third packet. One value increases, the other decreases.

Todo:

figure out if revolution is only present for one of the two types of status fields

status has either a temperature encoding or the microcode level

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Function Documentation

float velodyne_rawdata::SQR

(

float

val

)

[inline]

Definition at line 39 of file rawdata.cc.

---

Variable Documentation

const int velodyne_rawdata::BLOCK_DATA_SIZE = (SCANS_PER_BLOCK * RAW_SCAN_SIZE) [static]

Definition at line 64 of file rawdata.h.

const int velodyne_rawdata::BLOCKS_PER_PACKET = 12 [static]

Definition at line 107 of file rawdata.h.

const uint16_t velodyne_rawdata::LOWER_BANK = 0xddff [static]

Definition at line 71 of file rawdata.h.

const int velodyne_rawdata::PACKET_SIZE = 1206 [static]

Definition at line 106 of file rawdata.h.

const int velodyne_rawdata::PACKET_STATUS_SIZE = 4 [static]

Definition at line 108 of file rawdata.h.

const int velodyne_rawdata::RAW_SCAN_SIZE = 3 [static]

Definition at line 62 of file rawdata.h.

const uint16_t velodyne_rawdata::ROTATION_MAX_UNITS = 36000u [static]

Definition at line 67 of file rawdata.h.

const float velodyne_rawdata::ROTATION_RESOLUTION = 0.01f [static]

Definition at line 66 of file rawdata.h.

const int velodyne_rawdata::SCANS_PER_BLOCK = 32 [static]

Definition at line 63 of file rawdata.h.

const int velodyne_rawdata::SCANS_PER_PACKET = (SCANS_PER_BLOCK * BLOCKS_PER_PACKET) [static]

Definition at line 109 of file rawdata.h.

const int velodyne_rawdata::SIZE_BLOCK = 100 [static]

Raw Velodyne packet constants and structures.

Definition at line 61 of file rawdata.h.

const uint16_t velodyne_rawdata::UPPER_BANK = 0xeeff [static]

Todo:

make this work for both big and little-endian machines

Definition at line 70 of file rawdata.h.

const float velodyne_rawdata::VLP16_BLOCK_TDURATION = 110.592f [static]

Definition at line 76 of file rawdata.h.

const float velodyne_rawdata::VLP16_DSR_TOFFSET = 2.304f [static]

Definition at line 77 of file rawdata.h.

const float velodyne_rawdata::VLP16_FIRING_TOFFSET = 55.296f [static]

Definition at line 78 of file rawdata.h.

const int velodyne_rawdata::VLP16_FIRINGS_PER_BLOCK = 2 [static]

Special Defines for VLP16 support

Definition at line 74 of file rawdata.h.

const int velodyne_rawdata::VLP16_SCANS_PER_FIRING = 16 [static]

Definition at line 75 of file rawdata.h.