From 93b3fa547460ddd9413417ee7f2028afef7d1270 Mon Sep 17 00:00:00 2001
From: Wojciech Kaczmarski <44336093+sp5wwp@users.noreply.github.com>
Date: Mon, 24 Oct 2022 08:40:24 +0200
Subject: [PATCH] Update docs.md
LSF TYPE field update
---
pages/02.part-1/04.data-link-layer/docs.md | 28 ++++++++++++++++++++--
1 file changed, 26 insertions(+), 2 deletions(-)
diff --git a/pages/02.part-1/04.data-link-layer/docs.md b/pages/02.part-1/04.data-link-layer/docs.md
index 1d4380c..ce13497 100644
--- a/pages/02.part-1/04.data-link-layer/docs.md
+++ b/pages/02.part-1/04.data-link-layer/docs.md
@@ -115,15 +115,39 @@ The TYPE field contains information about the frames to follow LSF. The Packet/
The remaining field meanings are defined by the specific mode and application.
Table 5 LSF TYPE definition
-Bits | Meaning
+Bits | Content
---- | -------
-0 | Packet/Stream indicator, 0=Packet Mode, 1=Stream Mode
+0 | Packet/Stream indicator
1..2 | Data type indicator
3..4 | Encryption type
5..6 | Encryption subtype
7..10 | Channel Access Number (CAN)
11..15 | Reserved (don’t care)
+Table 5a Packet/Stream indicator
+Value | Content
+---- | -------
+0 | Packet mode
+1 | Stream mode
+
+Table 5b Data type
+Value | Content
+---- | -------
+\(00_2\) | Reserved
+\(01_2\) | Data
+\(10_2\) | Voice
+\(11_2\) | Voice+Data
+
+Table 5c Encryption type
+Value | Content
+---- | -------
+\(00_2\) | None
+\(01_2\) | AES
+\(10_2\) | Scrambler
+\(11_2\) | Other/reserved
+
+For the encryption subtype, meaning of values depends on encryption type.
+
##### LSF META
The LSF META field is defined by the specific application.