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New branch for 6KRO feature

This commit is contained in:
Kai Ryu 2014-05-12 17:26:31 +09:00
parent 8748b6080f
commit d2a57d82d5
3 changed files with 91 additions and 1 deletions

View File

@ -48,6 +48,10 @@ ifdef NKRO_ENABLE
OPT_DEFS += -DNKRO_ENABLE
endif
ifdef GKRO_ENABLE
OPT_DEFS += -D_6KRO_ENABLE
endif
ifdef SLEEP_LED_ENABLE
SRC += $(COMMON_DIR)/sleep_led.c
OPT_DEFS += -DSLEEP_LED_ENABLE

View File

@ -30,6 +30,15 @@ static inline void del_key_bit(uint8_t code);
static uint8_t real_mods = 0;
static uint8_t weak_mods = 0;
#ifdef _6KRO_ENABLE
#define RO_ADD(a, b) ((a + b) % REPORT_KEYS)
#define RO_SUB(a, b) ((a - b) % REPORT_KEYS)
#define RO_INC(a) RO_ADD(a, 1)
#define RO_DEC(a) RO_SUB(a, 1)
static int8_t cb_head = 0;
static int8_t cb_tail = 0;
static int8_t cb_count = 0;
#endif
// TODO: pointer variable is not needed
//report_keyboard_t keyboard_report = {};
@ -166,6 +175,60 @@ uint8_t get_first_key(void)
/* local functions */
static inline void add_key_byte(uint8_t code)
{
#ifdef _6KRO_ENABLE
int8_t i = cb_head;
int8_t idle = -1;
if (cb_count) {
do {
if (keyboard_report->keys[i] == code) {
break;
}
if (idle == -1 && keyboard_report->keys[i] == 0) {
idle = i;
}
i = RO_INC(i);
} while (i != cb_tail);
}
else {
// buffer is empty
keyboard_report->keys[cb_head] = code;
cb_tail = RO_INC(cb_tail);
cb_count++;
return;
}
// code is unique
if (i == cb_tail) {
// buffer is full
if (cb_tail == cb_head) {
if (idle == -1) {
// pop head when has no idle space
cb_head = RO_INC(cb_head);
cb_count--;
}
else {
// pack when has idle space
uint8_t offset = 1;
i = RO_INC(idle);
do {
if (keyboard_report->keys[i] != 0) {
keyboard_report->keys[idle] = keyboard_report->keys[i];
keyboard_report->keys[i] = 0;
idle = RO_INC(idle);
}
else {
offset++;
}
i = RO_INC(i);
} while (i != cb_tail);
cb_tail = RO_SUB(cb_tail, offset);
}
}
// add to tail
keyboard_report->keys[cb_tail] = code;
cb_tail = RO_INC(cb_tail);
cb_count++;
}
#else
int8_t i = 0;
int8_t empty = -1;
for (; i < REPORT_KEYS; i++) {
@ -181,15 +244,37 @@ static inline void add_key_byte(uint8_t code)
keyboard_report->keys[empty] = code;
}
}
#endif
}
static inline void del_key_byte(uint8_t code)
{
#ifdef _6KRO_ENABLE
uint8_t i = cb_head;
if (cb_count) {
do {
if (keyboard_report->keys[i] == code) {
keyboard_report->keys[i] = 0;
cb_count--;
if (i == cb_tail) {
do {
cb_tail = RO_DEC(cb_tail);
if (keyboard_report->keys[cb_tail] != 0) {
break;
}
} while (cb_tail != cb_head);
}
break;
}
} while (i != cb_tail);
}
#else
for (uint8_t i = 0; i < REPORT_KEYS; i++) {
if (keyboard_report->keys[i] == code) {
keyboard_report->keys[i] = 0;
}
}
#endif
}
#ifdef NKRO_ENABLE

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@ -132,7 +132,8 @@ EXTRAKEY_ENABLE = yes # Audio control and System control(+450)
CONSOLE_ENABLE = yes # Console for debug(+400)
COMMAND_ENABLE = yes # Commands for debug and configuration
#SLEEP_LED_ENABLE = yes # Breathing sleep LED during USB suspend
NKRO_ENABLE = yes # USB Nkey Rollover - not yet supported in LUFA
#NKRO_ENABLE = yes # USB Nkey Rollover
GKRO_ENABLE = yes # USB 6key Rollover
#PS2_MOUSE_ENABLE = yes # PS/2 mouse(TrackPoint) support
#PS2_USE_BUSYWAIT = yes
BACKLIGHT_ENABLE = yes # Enable keyboard backlight functionality