From 6f592340e096e17f61bff1f62f8b86b680ee4c54 Mon Sep 17 00:00:00 2001
From: sebgab <sebgab@noreply@e1m1.xyz>
Date: Wed, 6 Mar 2024 12:11:52 +0000
Subject: [PATCH] Add Commands

---
 Commands.md | 25 +++++++++++++++++++++++++
 1 file changed, 25 insertions(+)
 create mode 100644 Commands.md

diff --git a/Commands.md b/Commands.md
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+# Commands
+This page contains the valid commands that can be sent and how they are formatted.
+
+Given we use I2C for comms using hex as the commands are reasonable.
+
+## Categories
+The commands are divided into the following categories, with their own upper byte.
+The "#" denotes that this is dependent upon the command.
+
+| hex | category |
+| :- | :- |
+| 0x1# | Read data  |
+| 0x2# | Write data |
+
+## Complete command table
+| command | description | note |
+| :-- | :-- | :-- |
+| 0x11 | Read config |  |
+| 0x12 | Read internal voltage | |
+| 0x13 | Read external voltage | |
+| 0x14 | Read temperature | |
+| 0x15 | Read current fan speed | |
+| 0x16 | Read bulk fan speed | |
+| 0x21 | Write config | |
+| 0x22 | Clear stored fan speed data | |
\ No newline at end of file