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reverts #343 for the most part (#474)

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Jack Humbert 2016-07-04 11:45:58 -04:00 • committed by GitHub
parent 21ee3eb569
commit 8e88d55bfd
5 changed files with 271 additions and 227 deletions
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109
tmk_core/common/keyboard.c
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@ -51,17 +51,20 @@ along with this program. If not, see <http://www.gnu.org/licenses/>.
#endif
#ifdef MATRIX_HAS_GHOST
static bool is_row_ghosting(uint8_t row){
matrix_row_t state = matrix_get_row(row);
/* no ghosting happens when only one key in the row is pressed */
if (!(state - 1 & state)) return false;
/* ghosting occurs when two keys in the same column are pressed */
for (int8_t r = MATRIX_ROWS - 1; r >= 0; --r) {
if (r != row && matrix_get_row(r) & state) return true;
static bool has_ghost_in_row(uint8_t row)
{
matrix_row_t matrix_row = matrix_get_row(row);
// No ghost exists when less than 2 keys are down on the row
if (((matrix_row - 1) & matrix_row) == 0)
return false;
// Ghost occurs when the row shares column line with other row
for (uint8_t i=0; i < MATRIX_ROWS; i++) {
if (i != row && (matrix_get_row(i) & matrix_row))
return true;
}
return false;
}
#endif
__attribute__ ((weak))
@ -100,72 +103,86 @@ void keyboard_init(void) {
#endif
}
/* does routine keyboard jobs */
void keyboard_task(void) {
static uint8_t led_status;
matrix_scan();
for (int8_t r = MATRIX_ROWS - 1; r >= 0; --r) {
static matrix_row_t previous_matrix[MATRIX_ROWS];
matrix_row_t state = matrix_get_row(r);
matrix_row_t changes = state ^ previous_matrix[r];
if (changes) {
/*
* Do keyboard routine jobs: scan mantrix, light LEDs, ...
* This is repeatedly called as fast as possible.
*/
void keyboard_task(void)
{
static matrix_row_t matrix_prev[MATRIX_ROWS];
#ifdef MATRIX_HAS_GHOST
static matrix_row_t deghosting_matrix[MATRIX_ROWS];
if (is_row_ghosting(r)) {
/* debugs the deghosting mechanism */
/* doesn't update previous_matrix until the ghosting has stopped
* in order to prevent the last key from being lost
static matrix_row_t matrix_ghost[MATRIX_ROWS];
#endif
static uint8_t led_status = 0;
matrix_row_t matrix_row = 0;
matrix_row_t matrix_change = 0;
matrix_scan();
for (uint8_t r = 0; r < MATRIX_ROWS; r++) {
matrix_row = matrix_get_row(r);
matrix_change = matrix_row ^ matrix_prev[r];
if (matrix_change) {
#ifdef MATRIX_HAS_GHOST
if (has_ghost_in_row(r)) {
/* Keep track of whether ghosted status has changed for
* debugging. But don't update matrix_prev until un-ghosted, or
* the last key would be lost.
*/
if (debug_matrix && deghosting_matrix[r] != state) {
if (debug_matrix && matrix_ghost[r] != matrix_row) {
matrix_print();
}
deghosting_matrix[r] = state;
matrix_ghost[r] = matrix_row;
continue;
}
deghosting_matrix[r] = state;
matrix_ghost[r] = matrix_row;
#endif
if (debug_matrix) matrix_print();
for (int8_t c = MATRIX_COLS - 1; c >= 0; --c) {
matrix_row_t mask = (matrix_row_t)1 << c;
if (changes & mask) {
keyevent_t event;
event.key = (keypos_t){ .row = r, .col = c };
event.pressed = state & mask;
/* the time should not be 0 */
event.time = timer_read() | 1;
action_exec(event);
/* records the processed key event */
previous_matrix[r] ^= mask;
/* processes one key event per call */
goto event_processed;
for (uint8_t c = 0; c < MATRIX_COLS; c++) {
if (matrix_change & ((matrix_row_t)1<<c)) {
action_exec((keyevent_t){
.key = (keypos_t){ .row = r, .col = c },
.pressed = (matrix_row & ((matrix_row_t)1<<c)),
.time = (timer_read() | 1) /* time should not be 0 */
});
// record a processed key
matrix_prev[r] ^= ((matrix_row_t)1<<c);
// process a key per task call
goto MATRIX_LOOP_END;
}
}
}
}
/* sends tick events when the keyboard is idle */
// call with pseudo tick event when no real key event.
action_exec(TICK);
event_processed:
MATRIX_LOOP_END:
#ifdef MOUSEKEY_ENABLE
/* repeats and accelerates the mouse keys */
// mousekey repeat & acceleration
mousekey_task();
#endif
#ifdef PS2_MOUSE_ENABLE
ps2_mouse_task();
#endif
#ifdef SERIAL_MOUSE_ENABLE
serial_mouse_task();
serial_mouse_task();
#endif
#ifdef ADB_MOUSE_ENABLE
adb_mouse_task();
adb_mouse_task();
#endif
/* updates the LEDs */
// update LED
if (led_status != host_keyboard_leds()) {
led_status = host_keyboard_leds();
keyboard_set_leds(led_status);
}
}
void keyboard_set_leds(uint8_t leds) {
if (debug_keyboard) dprintf("Keyboard LEDs state: %x\n", leds);
void keyboard_set_leds(uint8_t leds)
{
if (debug_keyboard) { debug("keyboard_set_led: "); debug_hex8(leds); debug("\n"); }
led_set(leds);
}