/* key report size(NKRO or boot mode) */
-#if defined(PROTOCOL_PJRC)
+#if defined(PROTOCOL_PJRC) && defined(NKRO_ENABLE)
# include "usb.h"
-# if defined(KBD2_REPORT_KEYS) && KBD2_REPORT_KEYS > KBD_REPORT_KEYS
-# define REPORT_KEYS KBD2_REPORT_KEYS
-# else
-# define REPORT_KEYS KBD_REPORT_KEYS
-# endif
+# define KEYBOARD_REPORT_SIZE KBD2_SIZE
+# define KEYBOARD_REPORT_KEYS (KBD2_SIZE - 2)
+# define KEYBOARD_REPORT_BITS (KBD2_SIZE - 1)
+
+#elif defined(PROTOCOL_LUFA) && defined(NKRO_ENABLE)
+# include "protocol/lufa/descriptor.h"
+# define KEYBOARD_REPORT_SIZE NKRO_EPSIZE
+# define KEYBOARD_REPORT_KEYS (NKRO_EPSIZE - 2)
+# define KEYBOARD_REPORT_BITS (NKRO_EPSIZE - 1)
+
#else
-# define REPORT_KEYS 6
+# define KEYBOARD_REPORT_SIZE 8
+# define KEYBOARD_REPORT_KEYS 6
#endif
extern "C" {
#endif
+/*
+ * keyboard report is 8-byte array retains state of 8 modifiers and 6 keys.
+ *
+ * byte |0 |1 |2 |3 |4 |5 |6 |7
+ * -----+--------+--------+--------+--------+--------+--------+--------+--------
+ * desc |mods |reserved|keys[0] |keys[1] |keys[2] |keys[3] |keys[4] |keys[5]
+ *
+ * It is exended to 16 bytes to retain 120keys+8mods when NKRO mode.
+ *
+ * byte |0 |1 |2 |3 |4 |5 |6 |7 ... |15
+ * -----+--------+--------+--------+--------+--------+--------+--------+-------- +--------
+ * desc |mods |bits[0] |bits[1] |bits[2] |bits[3] |bits[4] |bits[5] |bits[6] ... |bit[14]
+ *
+ * mods retains state of 8 modifiers.
+ *
+ * bit |0 |1 |2 |3 |4 |5 |6 |7
+ * -----+--------+--------+--------+--------+--------+--------+--------+--------
+ * desc |Lcontrol|Lshift |Lalt |Lgui |Rcontrol|Rshift |Ralt |Rgui
+ *
+ */
+typedef union {
+ uint8_t raw[KEYBOARD_REPORT_SIZE];
+ struct {
+ uint8_t mods;
+ uint8_t reserved;
+ uint8_t keys[KEYBOARD_REPORT_KEYS];
+ };
+#ifdef NKRO_ENABLE
+ struct {
+ uint8_t mods;
+ uint8_t bits[KEYBOARD_REPORT_BITS];
+ } nkro;
+#endif
+} __attribute__ ((packed)) report_keyboard_t;
+/*
typedef struct {
uint8_t mods;
- uint8_t rserved;
+ uint8_t reserved;
uint8_t keys[REPORT_KEYS];
} __attribute__ ((packed)) report_keyboard_t;
+*/
typedef struct {
uint8_t buttons;