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add documentation

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Bryan
2024-10-19 17:50:00 +01:00
parent 5fca47c5ec
commit c828867852
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packages/mermaid/src/docs/syntax/packet.md
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@@ -17,6 +17,17 @@ start-end: "Block name" %% Multi-bit blocks
... More Fields ...
```
### Bits Syntax (v<MERMAID_RELEASE_VERSION>+)
Using start and end bit counts can be difficult, especially when modifying a design. For this we add a bit count field, which starts from the end of the previous field automagically. Use `bit` or `bits` interchangeably to set the number of bits, thus:
````md
packet-beta
1bit: "Block name" %% Single-bit block
8bits: "Block name" %% 8-bit block
9-15: "Manually set start and end, it's fine to mix and match"
... More Fields ...
## Examples
```mermaid-example
@@ -24,8 +35,8 @@ start-end: "Block name" %% Multi-bit blocks
title: "TCP Packet"
---
packet-beta
0-15: "Source Port"
16-31: "Destination Port"
16bits: "Source Port"
16bits: "Destination Port"
32-63: "Sequence Number"
64-95: "Acknowledgment Number"
96-99: "Data Offset"
@@ -42,6 +53,7 @@ packet-beta
160-191: "(Options and Padding)"
192-255: "Data (variable length)"
```
````
```mermaid-example
packet-beta