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Clean code of 6KRO

This commit is contained in:
Kai Ryu 2014-05-13 13:55:03 +09:00
parent ee9913a863
commit 4f1caf1a90

View File

@ -178,42 +178,55 @@ uint8_t get_first_key(void)
#endif
}
#ifdef USB_6KRO_ENABLE
#ifdef DEBUG
static void dump_report_keys(void) {
dprintf("\n");
for (uint8_t i = 0; i < REPORT_KEYS; i++) {
dprintf("%02X ", keyboard_report->keys[i]);
}
dprintf("\n");
for (uint8_t i = 0; i < REPORT_KEYS; i++) {
dprintf("%c%c ", i==cb_head?'H':' ', i==cb_tail?'T':' ');
}
dprintf("\n");
}
#endif
#endif
/* local functions */
static inline void add_key_byte(uint8_t code)
{
#ifdef USB_6KRO_ENABLE
int8_t i = cb_head;
int8_t idle = -1;
int8_t empty = -1;
if (cb_count) {
do {
if (keyboard_report->keys[i] == code) {
return;
}
if (idle == -1 && keyboard_report->keys[i] == 0) {
idle = i;
if (empty == -1 && keyboard_report->keys[i] == 0) {
empty = i;
}
i = RO_INC(i);
} while (i != cb_tail);
if (i == cb_tail) {
// code is unique
if (cb_tail == cb_head) {
// buffer is full
if (idle == -1) {
// pop head when has no idle space
if (empty == -1) {
// pop head when has no empty space
cb_head = RO_INC(cb_head);
cb_count--;
}
else {
// pack when has idle space
// left shift when has empty space
uint8_t offset = 1;
i = RO_INC(idle);
i = RO_INC(empty);
do {
if (keyboard_report->keys[i] != 0) {
keyboard_report->keys[idle] = keyboard_report->keys[i];
keyboard_report->keys[empty] = keyboard_report->keys[i];
keyboard_report->keys[i] = 0;
idle = RO_INC(idle);
empty = RO_INC(empty);
}
else {
offset++;
@ -229,6 +242,9 @@ static inline void add_key_byte(uint8_t code)
keyboard_report->keys[cb_tail] = code;
cb_tail = RO_INC(cb_tail);
cb_count++;
#ifdef DEBUG
dump_report_keys();
#endif
#else
int8_t i = 0;
int8_t empty = -1;
@ -246,17 +262,6 @@ static inline void add_key_byte(uint8_t code)
}
}
#endif
/*
dprintf("\n");
for (uint8_t i = 0; i < REPORT_KEYS; i++) {
dprintf("%02X ", keyboard_report->keys[i]);
}
dprintf("\n");
for (uint8_t i = 0; i < REPORT_KEYS; i++) {
dprintf("%c%c ", i==cb_head?'H':' ', i==cb_tail?'T':' ');
}
dprintf("\n");
*/
}
static inline void del_key_byte(uint8_t code)
@ -269,9 +274,11 @@ static inline void del_key_byte(uint8_t code)
keyboard_report->keys[i] = 0;
cb_count--;
if (cb_count == 0) {
// reset head and tail
cb_tail = cb_head = 0;
}
if (i == RO_DEC(cb_tail)) {
// left shift when next to tail
do {
cb_tail = RO_DEC(cb_tail);
if (keyboard_report->keys[RO_DEC(cb_tail)] != 0) {
@ -284,6 +291,9 @@ static inline void del_key_byte(uint8_t code)
i = RO_INC(i);
} while (i != cb_tail);
}
#ifdef DEBUG
dump_report_keys();
#endif
#else
for (uint8_t i = 0; i < REPORT_KEYS; i++) {
if (keyboard_report->keys[i] == code) {
@ -291,17 +301,6 @@ static inline void del_key_byte(uint8_t code)
}
}
#endif
/*
dprintf("\n");
for (uint8_t i = 0; i < REPORT_KEYS; i++) {
dprintf("%02X ", keyboard_report->keys[i]);
}
dprintf("\n");
for (uint8_t i = 0; i < REPORT_KEYS; i++) {
dprintf("%c%c ", i==cb_head?'H':' ', i==cb_tail?'T':' ');
}
dprintf("\ntail=%d\n", cb_tail);
*/
}
#ifdef NKRO_ENABLE