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Fixing Mac OSX USB NKRO

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- OSX doesn't properly follow the spec when it comes to padding bits (when using bitfields)
- Everything seems to work when I don't use them
- NKRO tested working on OSX
This commit is contained in:
Jacob Alexander 2014-11-02 23:24:59 -08:00
parent e251a8be50
commit 9dbd155ebf
2 changed files with 23 additions and 28 deletions
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24
Output/pjrcUSB/arm/usb_desc.c
View File

@ -190,6 +190,11 @@ static uint8_t nkro_keyboard_report_desc[] = {
// 165-175 are reserved/unused as well as 222-223 and 232-65535
// 224-231 are used for modifiers (see above)
//
// Compatibility Notes:
// - Using a second endpoint for a boot mode device helps with compatibility
// - DO NOT use Padding in the descriptor for bitfields
// (Mac OSX silently fails... Windows/Linux work correctly)
//
// Packing of bitmaps are as follows:
// 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)
@ -198,7 +203,7 @@ static uint8_t nkro_keyboard_report_desc[] = {
// 4-49 (6 bytes/46 bits)
0x85, 0x03, // Report ID (3),
0x75, 0x01, // Report Size (1),
0x95, 0xA0, // Report Count (160),
0x95, 0x2E, // Report Count (46),
0x15, 0x00, // Logical Minimum (0),
0x25, 0x01, // Logical Maximum (1),
0x05, 0x07, // Usage Page (Key Codes),
@ -206,10 +211,7 @@ static uint8_t nkro_keyboard_report_desc[] = {
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),
// Should pad 2 bits according to the spec, but OSX doesn't like this -HaaTa
// 51-164 (15 bytes/160 bits)
0x85, 0x04, // Report ID (4),
@ -222,10 +224,7 @@ static uint8_t nkro_keyboard_report_desc[] = {
0x29, 0xA4, // Usage Maximum (164),
0x81, 0x02, // Input (Data, Variable, Absolute, Bitfield),
// Padding (6 bits)
0x75, 0x06, // Report Size (6),
0x95, 0x01, // Report Count (1),
0x81, 0x03, // Input (Constant),
// Should pad 6 bits according to the spec, but OSX doesn't like this -HaaTa
// 176-221 (6 bytes/46 bits)
0x85, 0x05, // Report ID (5),
@ -238,10 +237,8 @@ static uint8_t nkro_keyboard_report_desc[] = {
0x29, 0xDD, // Usage Maximum (221),
0x81, 0x02, // Input (Data, Variable, Absolute, Bitfield),
// Padding (2 bits)
0x75, 0x02, // Report Size (2),
0x95, 0x01, // Report Count (1),
0x81, 0x03, // Input (Constant),
// Should pad 2 bits according to the spec, but OSX doesn't like this -HaaTa
0xc0, // End Collection - Keyboard
// System Control Collection
@ -679,3 +676,4 @@ const uint8_t usb_endpoint_config_table[NUM_ENDPOINTS] =
#endif
};

27
Output/pjrcUSB/avr/usb_keyboard_serial.h
View File

@ -374,6 +374,11 @@ static const uint8_t PROGMEM keyboard_nkro_hid_report_desc[] = {
// 165-175 are reserved/unused as well as 222-223 and 232-65535
// 224-231 are used for modifiers (see above)
//
// Compatibility Notes:
// - Using a second endpoint for a boot mode device helps with compatibility
// - DO NOT use Padding in the descriptor for bitfields
// (Mac OSX silently fails... Windows/Linux work correctly)
//
// Packing of bitmaps are as follows:
// 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)
@ -382,7 +387,7 @@ static const uint8_t PROGMEM keyboard_nkro_hid_report_desc[] = {
// 4-49 (6 bytes/46 bits)
0x85, 0x03, // Report ID (3),
0x75, 0x01, // Report Size (1),
0x95, 0xA0, // Report Count (160),
0x95, 0x2E, // Report Count (46),
0x15, 0x00, // Logical Minimum (0),
0x25, 0x01, // Logical Maximum (1),
0x05, 0x07, // Usage Page (Key Codes),
@ -390,10 +395,7 @@ static const uint8_t PROGMEM keyboard_nkro_hid_report_desc[] = {
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),
// Should pad 2 bits according to the spec, but OSX doesn't like this -HaaTa
// 51-164 (15 bytes/160 bits)
0x85, 0x04, // Report ID (4),
@ -406,10 +408,7 @@ static const uint8_t PROGMEM keyboard_nkro_hid_report_desc[] = {
0x29, 0xA4, // Usage Maximum (164),
0x81, 0x02, // Input (Data, Variable, Absolute, Bitfield),
// Padding (6 bits)
0x75, 0x06, // Report Size (6),
0x95, 0x01, // Report Count (1),
0x81, 0x03, // Input (Constant),
// Should pad 6 bits according to the spec, but OSX doesn't like this -HaaTa
// 176-221 (6 bytes/46 bits)
0x85, 0x05, // Report ID (5),
@ -422,10 +421,8 @@ static const uint8_t PROGMEM keyboard_nkro_hid_report_desc[] = {
0x29, 0xDD, // Usage Maximum (221),
0x81, 0x02, // Input (Data, Variable, Absolute, Bitfield),
// Padding (2 bits)
0x75, 0x02, // Report Size (2),
0x95, 0x01, // Report Count (1),
0x81, 0x03, // Input (Constant),
// Should pad 2 bits according to the spec, but OSX doesn't like this -HaaTa
0xc0, // End Collection - Keyboard
// System Control Collection
@ -436,7 +433,7 @@ static const uint8_t PROGMEM keyboard_nkro_hid_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),
@ -454,7 +451,7 @@ static const uint8_t PROGMEM keyboard_nkro_hid_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),