Fixed Linux NKRO bitmap bug.

- Thanks hasu for pointing it out
- Keycode 50 is problematic under Linux, so removing (it's a duplicate keycode anyways)
This commit is contained in:
Jacob Alexander 2014-10-02 01:40:14 -07:00
parent fc84d45470
commit 0cbfe53794
6 changed files with 128 additions and 42 deletions

View file

@ -186,14 +186,16 @@ static uint8_t nkro_keyboard_report_desc[] = {
// See http://www.usb.org/developers/hidpage/Hut1_12v2.pdf Chapter 10
// Or Macros/PartialMap/usb_hid.h
//
// 50 must be excluded due to a Linux bug with bitmaps (not useful anyways)
// 165-175 are reserved/unused as well as 222-223 and 232-65535
// 224-231 are used for modifiers (see above)
//
// Packing of bitmaps are as follows:
// 4-164 : 20 bytes + 1 Report ID byte (0x04-0xA4)
// 176-221 : 6 bytes + 1 Report ID byte (0xB0-0xDD) (45 bits + 3 padding bits for 6 bytes total)
// 4-49 : 6 bytes + 1 Report ID byte (0x04-0x31) ( 46 bits + 2 padding bits for 6 bytes total)
// 51-164 : 20 bytes + 1 Report ID byte (0x33-0xA4) (114 bits + 6 padding bits for 15 bytes total)
// 176-221 : 6 bytes + 1 Report ID byte (0xB0-0xDD) ( 46 bits + 2 padding bits for 6 bytes total)
//
// 4-164 (20 bytes/160 bits)
// 4-49 (6 bytes/46 bits)
0x85, 0x03, // Report ID (3),
0x75, 0x01, // Report Size (1),
0x95, 0xA0, // Report Count (160),
@ -201,11 +203,32 @@ static uint8_t nkro_keyboard_report_desc[] = {
0x25, 0x01, // Logical Maximum (1),
0x05, 0x07, // Usage Page (Key Codes),
0x19, 0x04, // Usage Minimum (4),
0x29, 0x31, // Usage Maximum (49),
0x81, 0x02, // Input (Data, Variable, Absolute, Bitfield),
// Padding (2 bits)
0x75, 0x02, // Report Size (2),
0x95, 0x01, // Report Count (1),
0x81, 0x03, // Input (Constant),
// 51-164 (15 bytes/160 bits)
0x85, 0x04, // Report ID (4),
0x75, 0x01, // Report Size (1),
0x95, 0xA0, // Report Count (160),
0x15, 0x00, // Logical Minimum (0),
0x25, 0x01, // Logical Maximum (1),
0x05, 0x07, // Usage Page (Key Codes),
0x19, 0x33, // Usage Minimum (51),
0x29, 0xA4, // Usage Maximum (164),
0x81, 0x02, // Input (Data, Variable, Absolute, Bitfield),
// 176-221 (45 bits)
0x85, 0x04, // Report ID (4),
// Padding (6 bits)
0x75, 0x06, // Report Size (6),
0x95, 0x01, // Report Count (1),
0x81, 0x03, // Input (Constant),
// 176-221 (6 bytes/46 bits)
0x85, 0x05, // Report ID (5),
0x75, 0x01, // Report Size (1),
0x95, 0x2D, // Report Count (45),
0x15, 0x00, // Logical Minimum (0),
@ -215,8 +238,8 @@ static uint8_t nkro_keyboard_report_desc[] = {
0x29, 0xDD, // Usage Maximum (221),
0x81, 0x02, // Input (Data, Variable, Absolute, Bitfield),
// 176-221 Padding (3 bits)
0x75, 0x03, // Report Size (3),
// Padding (2 bits)
0x75, 0x02, // Report Size (2),
0x95, 0x01, // Report Count (1),
0x81, 0x03, // Input (Constant),
0xc0, // End Collection - Keyboard
@ -229,7 +252,7 @@ static uint8_t nkro_keyboard_report_desc[] = {
0x05, 0x01, // Usage Page (Generic Desktop),
0x09, 0x80, // Usage (System Control),
0xA1, 0x01, // Collection (Application),
0x85, 0x05, // Report ID (5),
0x85, 0x06, // Report ID (6),
0x75, 0x08, // Report Size (8),
0x95, 0x01, // Report Count (1),
0x16, 0x81, 0x00, // Logical Minimum (129),
@ -247,7 +270,7 @@ static uint8_t nkro_keyboard_report_desc[] = {
0x05, 0x0c, // Usage Page (Consumer),
0x09, 0x01, // Usage (Consumer Control),
0xA1, 0x01, // Collection (Application),
0x85, 0x06, // Report ID (6),
0x85, 0x07, // Report ID (7),
0x75, 0x10, // Report Size (16),
0x95, 0x01, // Report Count (1),
0x16, 0x20, 0x00, // Logical Minimum (32),

View file

@ -149,9 +149,9 @@ void usb_keyboard_send()
{
*tx_buf++ = 0x03; // ID
// 4-164 (first 20 bytes)
memcpy( tx_buf, USBKeys_Keys, 20 );
tx_packet->len = 21;
// 4-49 (first 6 bytes)
memcpy( tx_buf, USBKeys_Keys, 6 );
tx_packet->len = 7;
// Send USB Packet
usb_tx( NKRO_KEYBOARD_ENDPOINT, tx_packet );
@ -162,18 +162,31 @@ void usb_keyboard_send()
{
*tx_buf++ = 0x04; // ID
// 176-221 (last 6 bytes)
memcpy( tx_buf, USBKeys_Keys + 20, 6 );
tx_packet->len = 7;
// 51-164 (Middle 15 bytes)
memcpy( tx_buf, USBKeys_Keys + 6, 15 );
tx_packet->len = 16;
// Send USB Packet
usb_tx( NKRO_KEYBOARD_ENDPOINT, tx_packet );
USBKeys_Changed &= ~USBKeyChangeState_SecondaryKeys; // Mark sent
}
// Check tertiary key section
else if ( USBKeys_Changed & USBKeyChangeState_TertiaryKeys )
{
*tx_buf++ = 0x05; // ID
// 176-221 (last 6 bytes)
memcpy( tx_buf, USBKeys_Keys + 21, 6 );
tx_packet->len = 7;
// Send USB Packet
usb_tx( NKRO_KEYBOARD_ENDPOINT, tx_packet );
USBKeys_Changed &= ~USBKeyChangeState_TertiaryKeys; // Mark sent
}
// Check system control keys
else if ( USBKeys_Changed & USBKeyChangeState_System )
{
*tx_buf++ = 0x05; // ID
*tx_buf++ = 0x06; // ID
*tx_buf = USBKeys_SysCtrl;
tx_packet->len = 2;
@ -184,7 +197,7 @@ void usb_keyboard_send()
// Check consumer control keys
else if ( USBKeys_Changed & USBKeyChangeState_Consumer )
{
*tx_buf++ = 0x06; // ID
*tx_buf++ = 0x07; // ID
*tx_buf++ = (uint8_t)(USBKeys_ConsCtrl & 0x00FF);
*tx_buf = (uint8_t)(USBKeys_ConsCtrl >> 8);
tx_packet->len = 3;