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authorPeter Johanson <peter@peterjohanson.com>2021-11-08 21:21:01 +0000
committerPete Johanson <peter@peterjohanson.com>2021-11-09 10:38:49 -0500
commitf8018b22d0bcba97e54652a01e8bdefb15f83c4c (patch)
treef04a4d6a8d999857218d472a71abf97e14454985 /app
parentc412fad40da718b5df518c92b08b4913d26621c6 (diff)
fix(hid): Basic consumer code fixes for signed logical max.
* Logical max values are signed, so for the report descriptor, use a two byte logical max descriptor item to impart proper 0xFF max logical value.
Diffstat (limited to 'app')
-rw-r--r--app/include/zmk/hid.h8
1 files changed, 5 insertions, 3 deletions
diff --git a/app/include/zmk/hid.h b/app/include/zmk/hid.h
index 95b82d4..e23caff 100644
--- a/app/include/zmk/hid.h
+++ b/app/include/zmk/hid.h
@@ -143,12 +143,14 @@ static const uint8_t zmk_hid_report_desc[] = {
/* LOGICAL_MINIMUM (0) */
HID_GI_LOGICAL_MIN(1),
0x00,
- /* LOGICAL_MAXIMUM (0xFFFF) */
- HID_GI_LOGICAL_MAX(1),
+ /* LOGICAL_MAXIMUM (0x00FF) - little endian, and requires two bytes because logical max is
+ signed */
+ HID_GI_LOGICAL_MAX(2),
0xFF,
+ 0x00,
HID_LI_USAGE_MIN(1),
0x00,
- /* USAGE_MAXIMUM (0xFFFF) */
+ /* USAGE_MAXIMUM (0xFF) */
HID_LI_USAGE_MAX(1),
0xFF,
/* INPUT (Data,Ary,Abs) */