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update timestamp description in Livox SDK Protocol

livox
2019-04-11 15:44:18 +08:00
parent 324c610bc7
commit 22170498a4
1 changed files with 20 additions and 7 deletions
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Livox SDK Communication Protocol.md
+15 -2
@@ -1,8 +1,9 @@
**Livox SDK Communication Protocol** **Livox SDK Communication Protocol**
| **Document Release History** | | | | **Document Release History** | | |
|------------------------------|-------------|-----------------------------------| | ---------------------------- | ----------- | --------------------------------- |
| **Date** | **Release** | **Change Description** | | **Date** | **Release** | **Change Description** |
| 2019/3/25 | v1.0.2 | Update 3.2 Time Stamp description |
| 2019/2/25 | v1.0.1 | Update 3.2 Time Stamp description | | 2019/2/25 | v1.0.1 | Update 3.2 Time Stamp description |
| 2019/1/16 | v1.0.0 | Initial release | | 2019/1/16 | v1.0.0 | Initial release |
@@ -152,7 +153,19 @@ LiDAR system supports three synchronization modes:
- pulse synchronization (only supported by LiDAR) - pulse synchronization (only supported by LiDAR)
- GPS time synchronization (PPS + GPRMC, only supported by Hub). - GPS time synchronization (PPS + GPRMC, only supported by Hub).
Each packet contains a timestamp indicating the time of the first point in the packet. Each packet contains a timestamp indicating the time of the first point in the packet the time interval of each point in the packet is equal.
Taking Mid-40 as an example, the sampling frequency is 100 KHz , and the interval of each point is 10 us.
| Point NUM | Timestamp |
| --------- | ---------- |
| 1 | T1 |
| 2 | T1 + 10 us |
| 3 | T1 + 20 us |
| ... | ... |
| 100 | T1 + 990us |
Timestamp Type:
| Timestamp Type | Source | Data Type | Description | | Timestamp Type | Source | Data Type | Description |
|----------------|----------------|-----------|-----------------------------------| |----------------|----------------|-----------|-----------------------------------|