diff options
Diffstat (limited to 'quantum')
| -rw-r--r-- | quantum/keyboard.c | 138 | ||||
| -rw-r--r-- | quantum/keyboard.h | 8 |
2 files changed, 81 insertions, 65 deletions
diff --git a/quantum/keyboard.c b/quantum/keyboard.c index 2364e3167b..1c62a43d9d 100644 --- a/quantum/keyboard.c +++ b/quantum/keyboard.c @@ -212,6 +212,12 @@ static inline bool has_ghost_in_row(uint8_t row, matrix_row_t rowdata) { return false; } +#else + +static inline bool has_ghost_in_row(uint8_t row, matrix_row_t rowdata) { + return false; +} + #endif /** \brief matrix_setup @@ -426,64 +432,74 @@ void switch_events(uint8_t row, uint8_t col, bool pressed) { #endif } -/** \brief Perform scan of keyboard matrix +/** + * @brief Generates a tick event at a maximum rate of 1KHz that drives the + * internal QMK state machine. + */ +static inline void generate_tick_event(void) { + static uint16_t last_tick = 0; + const uint16_t now = timer_read(); + if (TIMER_DIFF_16(now, last_tick) != 0) { + action_exec(TICK_EVENT); + last_tick = now; + } +} + +/** + * @brief This task scans the keyboards matrix and processes any key presses + * that occur. * - * Any detected changes in state are sent out as part of the processing + * @return true Matrix did change + * @return false Matrix didn't change */ -bool matrix_scan_task(void) { - static matrix_row_t matrix_prev[MATRIX_ROWS]; - matrix_row_t matrix_row = 0; - matrix_row_t matrix_change = 0; -#ifdef QMK_KEYS_PER_SCAN - uint8_t keys_processed = 0; -#endif +static bool matrix_task(void) { + static matrix_row_t matrix_previous[MATRIX_ROWS]; - uint8_t matrix_changed = matrix_scan(); - if (matrix_changed) last_matrix_activity_trigger(); + 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, matrix_row)) { - continue; - } -#endif - if (debug_matrix) matrix_print(); - matrix_row_t col_mask = 1; - for (uint8_t c = 0; c < MATRIX_COLS; c++, col_mask <<= 1) { - if (matrix_change & col_mask) { - if (should_process_keypress()) { - action_exec((keyevent_t){ - .key = (keypos_t){.row = r, .col = c}, .pressed = (matrix_row & col_mask), .time = (timer_read() | 1) /* time should not be 0 */ - }); - } - // record a processed key - matrix_prev[r] ^= col_mask; - - switch_events(r, c, (matrix_row & col_mask)); - -#ifdef QMK_KEYS_PER_SCAN - // only jump out if we have processed "enough" keys. - if (++keys_processed >= QMK_KEYS_PER_SCAN) -#endif - // process a key per task call - goto MATRIX_LOOP_END; + bool matrix_changed = false; + for (uint8_t row = 0; row < MATRIX_ROWS && !matrix_changed; row++) { + matrix_changed |= matrix_previous[row] ^ matrix_get_row(row); + } + + matrix_scan_perf_task(); + + // Short-circuit the complete matrix processing if it is not necessary + if (!matrix_changed) { + generate_tick_event(); + return matrix_changed; + } + + if (debug_config.matrix) { + matrix_print(); + } + + const bool process_keypress = should_process_keypress(); + + for (uint8_t row = 0; row < MATRIX_ROWS; row++) { + const matrix_row_t current_row = matrix_get_row(row); + const matrix_row_t row_changes = current_row ^ matrix_previous[row]; + + if (!row_changes || has_ghost_in_row(row, current_row)) { + continue; + } + + matrix_row_t col_mask = 1; + for (uint8_t col = 0; col < MATRIX_COLS; col++, col_mask <<= 1) { + if (row_changes & col_mask) { + const bool key_pressed = current_row & col_mask; + + if (process_keypress) { + action_exec(MAKE_KEYEVENT(row, col, key_pressed)); } + + switch_events(row, col, key_pressed); } } - } - // call with pseudo tick event when no real key event. -#ifdef QMK_KEYS_PER_SCAN - // we can get here with some keys processed now. - if (!keys_processed) -#endif - action_exec(TICK_EVENT); -MATRIX_LOOP_END: + matrix_previous[row] = current_row; + } - matrix_scan_perf_task(); return matrix_changed; } @@ -562,20 +578,12 @@ void quantum_task(void) { #endif } -/** \brief Keyboard task: Do keyboard routine jobs - * - * Do routine keyboard jobs: - * - * * scan matrix - * * handle mouse movements - * * handle midi commands - * * light LEDs - * - * This is repeatedly called as fast as possible. - */ +/** \brief Main task that is repeatedly called as fast as possible. */ void keyboard_task(void) { - bool matrix_changed = matrix_scan_task(); - (void)matrix_changed; + const bool matrix_changed = matrix_task(); + if (matrix_changed) { + last_matrix_activity_trigger(); + } quantum_task(); @@ -597,8 +605,10 @@ void keyboard_task(void) { #endif #ifdef ENCODER_ENABLE - bool encoders_changed = encoder_read(); - if (encoders_changed) last_encoder_activity_trigger(); + const bool encoders_changed = encoder_read(); + if (encoders_changed) { + last_encoder_activity_trigger(); + } #endif #ifdef OLED_ENABLE diff --git a/quantum/keyboard.h b/quantum/keyboard.h index fe0736a515..86ce65aac1 100644 --- a/quantum/keyboard.h +++ b/quantum/keyboard.h @@ -71,9 +71,15 @@ static inline bool IS_RELEASED(keyevent_t event) { /* Common keyevent object factory */ #define MAKE_KEYPOS(row_num, col_num) ((keypos_t){.row = (row_num), .col = (col_num)}) + +/** + * @brief Constructs a key event for a pressed or released key. + */ #define MAKE_KEYEVENT(row_num, col_num, press) ((keyevent_t){.key = MAKE_KEYPOS((row_num), (col_num)), .pressed = (press), .time = (timer_read() | 1)}) -/* Tick event */ +/** + * @brief Constructs a internal tick event that is used to drive the internal QMK state machine. + */ #define TICK_EVENT MAKE_KEYEVENT(KEYLOC_TICK, KEYLOC_TICK, false) #ifdef ENCODER_MAP_ENABLE |