From ff1af4831fe32d9e507bc6f8121803d3e610bc00 Mon Sep 17 00:00:00 2001
From: Petr Kracik <petrkr@petrkr.net>
Date: Thu, 4 Jun 2020 16:20:39 +0200
Subject: [PATCH] hid descriptors

---
 hid_descriptors.txt | 48 +++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 48 insertions(+)
 create mode 100644 hid_descriptors.txt

diff --git a/hid_descriptors.txt b/hid_descriptors.txt
new file mode 100644
index 0000000..79a4425
--- /dev/null
+++ b/hid_descriptors.txt
@@ -0,0 +1,48 @@
+05 01 // Usage page Generic desktop
+09 02 // Usage Mouse
+
+a1 01 // Collection Application
+  09 01 // Usage Pointer
+  a1 00 // Collection Physical
+    05 09 // Usage Page Buttons
+    19 01 // Usage Min 01
+    29 08 // Usage Max 08
+    15 00 // Logical min 0
+    25 01 // Logical max 1
+    95 08 // Report count 8
+    75 01 // Report size 1
+    81 02 // Input Data, Variable, Absolute
+
+    05 01 // Usage Page Generic Desktop
+    09 30 // Usage X
+    09 31 // Usage Y
+    09 38 // Usage Wheel
+    15 81 // Logical Min (-127)
+    25 7f // Logical Max ( 127)
+    75 08 // Report size 8
+    95 03 // Report count 3
+    81 06 // Input Data, Variable, Relative
+
+  c0 // End collection
+c0 // End collection
+
+
+input bytes (4 bytes)
+ 0 - 0 data / 1 constant
+ 1 - 0 array / 1 variable
+ 2 - 0 absolute / 1 relative
+ 3 - 0 no wrap / 1 wrap
+ 4 - 0 linear / 1 non linear
+ 5 - 0 prefered state / 1 no preferred
+ 6 - 0 no null pos / 1 null state
+ 7 - 0 non volatile / 1 volatile
+ 8 - 0 bit field / 1 buffered bytes
+ 9 - 31 reserved
+
+00000110
+     |||
+     ||\ --> data
+     |\--> variable
+     \--> relative
+
+