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Move the HID keyboard descriptor LED state 

Seems to interfere with boot mode
This commit is contained in:
Marc Brooks 2025-09-25 16:36:28 -05:00
parent 262df47f7d
commit f54b6283d6
No known key found for this signature in database
GPG Key ID: 583A6AF2D6AE1DC6
1 changed files with 32 additions and 10 deletions
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42
internal/usbgadget/hid_keyboard.go
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@ -31,6 +31,8 @@ var keyboardReportDesc = []byte{
0x05, 0x01, /* USAGE_PAGE (Generic Desktop) */
0x09, 0x06, /* USAGE (Keyboard) */
0xa1, 0x01, /* COLLECTION (Application) */
/* 8 modifier bits */
0x05, 0x07, /* USAGE_PAGE (Keyboard) */
0x19, 0xe0, /* USAGE_MINIMUM (Keyboard LeftControl) */
0x29, 0xe7, /* USAGE_MAXIMUM (Keyboard Right GUI) */
@ -39,27 +41,47 @@ var keyboardReportDesc = []byte{
0x75, 0x01, /* REPORT_SIZE (1) */
0x95, 0x08, /* REPORT_COUNT (8) */
0x81, 0x02, /* INPUT (Data,Var,Abs) */
/* 8 bits of padding */
0x95, 0x01, /* REPORT_COUNT (1) */
0x75, 0x08, /* REPORT_SIZE (8) */
0x81, 0x03, /* INPUT (Cnst,Var,Abs) */
0x95, 0x05, /* REPORT_COUNT (5) */
0x75, 0x01, /* REPORT_SIZE (1) */
0x05, 0x08, /* USAGE_PAGE (LEDs) */
0x19, 0x01, /* USAGE_MINIMUM (Num Lock) */
0x29, 0x05, /* USAGE_MAXIMUM (Kana) */
0x91, 0x02, /* OUTPUT (Data,Var,Abs) */
0x95, 0x01, /* REPORT_COUNT (1) */
0x75, 0x03, /* REPORT_SIZE (3) */
0x91, 0x03, /* OUTPUT (Cnst,Var,Abs) */
/* 6 key codes for the 104 key keyboard */
0x95, 0x06, /* REPORT_COUNT (6) */
0x75, 0x08, /* REPORT_SIZE (8) */
0x15, 0x00, /* LOGICAL_MINIMUM (0) */
0x25, 104, /* LOGICAL_MAXIMUM (104-key) */
0x25, 0xE7, /* LOGICAL_MAXIMUM (104-key HID) */
0x05, 0x07, /* USAGE_PAGE (Keyboard) */
0x19, 0x00, /* USAGE_MINIMUM (Reserved) */
0x29, 0xE7, /* USAGE_MAXIMUM (Keyboard Right GUI) */
0x81, 0x00, /* INPUT (Data,Ary,Abs) */
/* LED report 5 bits for Num Lock through Kana */
0x95, 0x05, /* REPORT_COUNT (5) */
0x75, 0x01, /* REPORT_SIZE (1) */
0x05, 0x08, /* USAGE_PAGE (LEDs) */
0x19, 0x01, /* USAGE_MINIMUM (Num Lock) */
0x29, 0x05, /* USAGE_MAXIMUM (Kana) */
0x91, 0x02, /* OUTPUT (Data,Var,Abs) */
/* 1 bit of padding for the Power LED (ignored) */
0x95, 0x01, /* REPORT_COUNT (1) */
0x75, 0x03, /* REPORT_SIZE (1) */
0x91, 0x03, /* OUTPUT (Cnst,Var,Abs) */
/* LED report 1 bit for Shift */
0x95, 0x01, /* REPORT_COUNT (1) */
0x75, 0x01, /* REPORT_SIZE (1) */
0x05, 0x08, /* USAGE_PAGE (LEDs) */
0x19, 0x07, /* USAGE_MINIMUM (Shift) */
0x29, 0x07, /* USAGE_MAXIMUM (Shift) */
0x91, 0x02, /* OUTPUT (Data,Var,Abs) */
/* 1 bit of padding for the rest of the byte */
0x95, 0x01, /* REPORT_COUNT (1) */
0x75, 0x03, /* REPORT_SIZE (1) */
0x91, 0x03, /* OUTPUT (Cnst,Var,Abs) */
0xc0, /* END_COLLECTION */
}