Jack Humbert
GitHub
parent
21ee3eb569
commit
8e88d55bfd
310
quantum/matrix.c
310
quantum/matrix.c
@ -26,32 +26,46 @@ along with this program. If not, see <http://www.gnu.org/licenses/>.
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#include "util.h"
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#include "matrix.h"
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#ifdef MATRIX_HAS_GHOST
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# error "The universal matrix.c file cannot be used for this keyboard."
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#endif
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/* Set 0 if debouncing isn't needed */
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/*
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* This constant define not debouncing time in msecs, but amount of matrix
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* scan loops which should be made to get stable debounced results.
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*
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* On Ergodox matrix scan rate is relatively low, because of slow I2C.
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* Now it's only 317 scans/second, or about 3.15 msec/scan.
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* According to Cherry specs, debouncing time is 5 msec.
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*
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* And so, there is no sense to have DEBOUNCE higher than 2.
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*/
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#ifndef DEBOUNCING_DELAY
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# define DEBOUNCING_DELAY 5
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#endif
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static uint8_t debouncing = DEBOUNCING_DELAY;
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static const uint8_t row_pins[MATRIX_ROWS] = MATRIX_ROW_PINS;
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static const uint8_t col_pins[MATRIX_COLS] = MATRIX_COL_PINS;
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/* matrix state */
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#if DIODE_DIRECTION == COL2ROW
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static matrix_row_t matrix[MATRIX_ROWS];
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#else
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static matrix_col_t matrix[MATRIX_COLS];
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#endif
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static int8_t debouncing_delay = -1;
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#if DIODE_DIRECTION == COL2ROW
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static void toggle_row(uint8_t row);
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static matrix_row_t read_cols(void);
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#else
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static void toggle_col(uint8_t col);
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static matrix_col_t read_rows(void);
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/* matrix state(1:on, 0:off) */
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static matrix_row_t matrix[MATRIX_ROWS];
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static matrix_row_t matrix_debouncing[MATRIX_ROWS];
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#if DIODE_DIRECTION == ROW2COL
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static matrix_row_t matrix_reversed[MATRIX_COLS];
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static matrix_row_t matrix_reversed_debouncing[MATRIX_COLS];
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#endif
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#if MATRIX_COLS > 16
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#define SHIFTER 1UL
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#else
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#define SHIFTER 1
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#endif
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static matrix_row_t read_cols(void);
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static void init_cols(void);
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static void unselect_rows(void);
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static void select_row(uint8_t row);
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__attribute__ ((weak))
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void matrix_init_quantum(void) {
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matrix_init_kb();
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@ -80,10 +94,12 @@ __attribute__ ((weak))
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void matrix_scan_user(void) {
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}
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inline
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uint8_t matrix_rows(void) {
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return MATRIX_ROWS;
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}
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inline
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uint8_t matrix_cols(void) {
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return MATRIX_COLS;
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}
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@ -113,161 +129,179 @@ uint8_t matrix_cols(void) {
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// }
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void matrix_init(void) {
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/* frees PORTF by setting the JTD bit twice within four cycles */
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// To use PORTF disable JTAG with writing JTD bit twice within four cycles.
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#ifdef __AVR_ATmega32U4__
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MCUCR |= _BV(JTD);
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MCUCR |= _BV(JTD);
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#endif
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/* initializes the I/O pins */
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#if DIODE_DIRECTION == COL2ROW
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for (int8_t r = MATRIX_ROWS - 1; r >= 0; --r) {
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/* DDRxn */
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_SFR_IO8((row_pins[r] >> 4) + 1) |= _BV(row_pins[r] & 0xF);
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toggle_row(r);
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// initialize row and col
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unselect_rows();
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init_cols();
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// initialize matrix state: all keys off
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for (uint8_t i=0; i < MATRIX_ROWS; i++) {
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matrix[i] = 0;
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matrix_debouncing[i] = 0;
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}
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for (int8_t c = MATRIX_COLS - 1; c >= 0; --c) {
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/* PORTxn */
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_SFR_IO8((col_pins[c] >> 4) + 2) |= _BV(col_pins[c] & 0xF);
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}
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#else
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for (int8_t c = MATRIX_COLS - 1; c >= 0; --c) {
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/* DDRxn */
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_SFR_IO8((col_pins[c] >> 4) + 1) |= _BV(col_pins[c] & 0xF);
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toggle_col(c);
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}
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for (int8_t r = MATRIX_ROWS - 1; r >= 0; --r) {
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/* PORTxn */
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_SFR_IO8((row_pins[r] >> 4) + 2) |= _BV(row_pins[r] & 0xF);
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}
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#endif
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matrix_init_quantum();
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}
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uint8_t matrix_scan(void)
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{
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#if DIODE_DIRECTION == COL2ROW
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uint8_t matrix_scan(void) {
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static matrix_row_t debouncing_matrix[MATRIX_ROWS];
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for (int8_t r = MATRIX_ROWS - 1; r >= 0; --r) {
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toggle_row(r);
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matrix_row_t state = read_cols();
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if (debouncing_matrix[r] != state) {
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debouncing_matrix[r] = state;
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debouncing_delay = DEBOUNCING_DELAY;
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for (uint8_t i = 0; i < MATRIX_ROWS; i++) {
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select_row(i);
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wait_us(30); // without this wait read unstable value.
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matrix_row_t cols = read_cols();
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if (matrix_debouncing[i] != cols) {
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matrix_debouncing[i] = cols;
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if (debouncing) {
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debug("bounce!: "); debug_hex(debouncing); debug("\n");
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}
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debouncing = DEBOUNCING_DELAY;
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}
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toggle_row(r);
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unselect_rows();
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}
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if (debouncing_delay >= 0) {
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dprintf("Debouncing delay remaining: %X\n", debouncing_delay);
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--debouncing_delay;
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if (debouncing_delay >= 0) {
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wait_ms(1);
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}
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else {
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for (int8_t r = MATRIX_ROWS - 1; r >= 0; --r) {
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matrix[r] = debouncing_matrix[r];
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if (debouncing) {
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if (--debouncing) {
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wait_us(1);
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} else {
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for (uint8_t i = 0; i < MATRIX_ROWS; i++) {
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matrix[i] = matrix_debouncing[i];
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}
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}
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}
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matrix_scan_quantum();
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return 1;
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}
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static void toggle_row(uint8_t row) {
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/* PINxn */
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_SFR_IO8((row_pins[row] >> 4)) = _BV(row_pins[row] & 0xF);
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}
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static matrix_row_t read_cols(void) {
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matrix_row_t state = 0;
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for (int8_t c = MATRIX_COLS - 1; c >= 0; --c) {
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/* PINxn */
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if (!(_SFR_IO8((col_pins[c] >> 4)) & _BV(col_pins[c] & 0xF))) {
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state |= (matrix_row_t)1 << c;
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}
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}
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return state;
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}
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matrix_row_t matrix_get_row(uint8_t row) {
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return matrix[row];
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}
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#else
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uint8_t matrix_scan(void) {
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static matrix_col_t debouncing_matrix[MATRIX_COLS];
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for (int8_t c = MATRIX_COLS - 1; c >= 0; --c) {
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toggle_col(c);
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matrix_col_t state = read_rows();
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if (debouncing_matrix[c] != state) {
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debouncing_matrix[c] = state;
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debouncing_delay = DEBOUNCING_DELAY;
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for (uint8_t i = 0; i < MATRIX_COLS; i++) {
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select_row(i);
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wait_us(30); // without this wait read unstable value.
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matrix_row_t rows = read_cols();
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if (matrix_reversed_debouncing[i] != rows) {
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matrix_reversed_debouncing[i] = rows;
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if (debouncing) {
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debug("bounce!: "); debug_hex(debouncing); debug("\n");
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}
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debouncing = DEBOUNCING_DELAY;
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}
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toggle_col(c);
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unselect_rows();
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}
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if (debouncing_delay >= 0) {
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dprintf("Debouncing delay remaining: %X\n", debouncing_delay);
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--debouncing_delay;
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if (debouncing_delay >= 0) {
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wait_ms(1);
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}
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else {
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for (int8_t c = MATRIX_COLS - 1; c >= 0; --c) {
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matrix[c] = debouncing_matrix[c];
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if (debouncing) {
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if (--debouncing) {
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wait_us(1);
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} else {
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for (uint8_t i = 0; i < MATRIX_COLS; i++) {
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matrix_reversed[i] = matrix_reversed_debouncing[i];
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}
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}
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}
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matrix_scan_quantum();
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return 1;
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}
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static void toggle_col(uint8_t col) {
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/* PINxn */
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_SFR_IO8((col_pins[col] >> 4)) = _BV(col_pins[col] & 0xF);
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}
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static matrix_col_t read_rows(void) {
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matrix_col_t state = 0;
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for (int8_t r = MATRIX_ROWS - 1; r >= 0; --r) {
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/* PINxn */
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if (!(_SFR_IO8((row_pins[r] >> 4)) & _BV(row_pins[r] & 0xF))) {
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state |= (matrix_col_t)1 << r;
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for (uint8_t y = 0; y < MATRIX_ROWS; y++) {
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matrix_row_t row = 0;
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for (uint8_t x = 0; x < MATRIX_COLS; x++) {
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row |= ((matrix_reversed[x] & (1<<y)) >> y) << x;
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}
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matrix[y] = row;
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}
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return state;
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}
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matrix_row_t matrix_get_row(uint8_t row) {
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matrix_row_t state = 0;
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matrix_col_t mask = (matrix_col_t)1 << row;
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for (int8_t c = MATRIX_COLS - 1; c >= 0; --c) {
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if (matrix[c] & mask) {
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state |= (matrix_row_t)1 << c;
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}
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}
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return state;
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}
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#endif
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bool matrix_is_modified(void) {
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if (debouncing_delay >= 0) return false;
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matrix_scan_quantum();
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return 1;
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}
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bool matrix_is_modified(void)
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{
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if (debouncing) return false;
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return true;
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}
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bool matrix_is_on(uint8_t row, uint8_t col) {
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return matrix_get_row(row) & (matrix_row_t)1 << col;
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inline
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bool matrix_is_on(uint8_t row, uint8_t col)
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{
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return (matrix[row] & ((matrix_row_t)1<col));
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}
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void matrix_print(void) {
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dprintln("Human-readable matrix state:");
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for (uint8_t r = 0; r < MATRIX_ROWS; r++) {
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dprintf("State of row %X: %016b\n", r, bitrev16(matrix_get_row(r)));
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inline
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matrix_row_t matrix_get_row(uint8_t row)
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{
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return matrix[row];
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}
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void matrix_print(void)
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{
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print("\nr/c 0123456789ABCDEF\n");
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for (uint8_t row = 0; row < MATRIX_ROWS; row++) {
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phex(row); print(": ");
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pbin_reverse16(matrix_get_row(row));
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print("\n");
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}
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}
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uint8_t matrix_key_count(void) {
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uint8_t matrix_key_count(void)
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{
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uint8_t count = 0;
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for (int8_t r = MATRIX_ROWS - 1; r >= 0; --r) {
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count += bitpop16(matrix_get_row(r));
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for (uint8_t i = 0; i < MATRIX_ROWS; i++) {
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count += bitpop16(matrix[i]);
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}
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return count;
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}
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static void init_cols(void)
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{
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#if DIODE_DIRECTION == COL2ROW
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for(int x = 0; x < MATRIX_COLS; x++) {
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int pin = col_pins[x];
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#else
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for(int x = 0; x < MATRIX_ROWS; x++) {
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int pin = row_pins[x];
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#endif
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_SFR_IO8((pin >> 4) + 1) &= ~_BV(pin & 0xF);
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_SFR_IO8((pin >> 4) + 2) |= _BV(pin & 0xF);
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}
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}
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static matrix_row_t read_cols(void)
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{
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matrix_row_t result = 0;
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#if DIODE_DIRECTION == COL2ROW
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for(int x = 0; x < MATRIX_COLS; x++) {
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int pin = col_pins[x];
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#else
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for(int x = 0; x < MATRIX_ROWS; x++) {
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int pin = row_pins[x];
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#endif
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result |= (_SFR_IO8(pin >> 4) & _BV(pin & 0xF)) ? 0 : (SHIFTER << x);
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}
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return result;
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}
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static void unselect_rows(void)
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{
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#if DIODE_DIRECTION == COL2ROW
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for(int x = 0; x < MATRIX_ROWS; x++) {
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int pin = row_pins[x];
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#else
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for(int x = 0; x < MATRIX_COLS; x++) {
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int pin = col_pins[x];
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#endif
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_SFR_IO8((pin >> 4) + 1) &= ~_BV(pin & 0xF);
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_SFR_IO8((pin >> 4) + 2) |= _BV(pin & 0xF);
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}
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}
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static void select_row(uint8_t row)
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{
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#if DIODE_DIRECTION == COL2ROW
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int pin = row_pins[row];
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#else
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int pin = col_pins[row];
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#endif
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_SFR_IO8((pin >> 4) + 1) |= _BV(pin & 0xF);
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_SFR_IO8((pin >> 4) + 2) &= ~_BV(pin & 0xF);
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}
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@ -114,8 +114,10 @@ bool suspend_wakeup_condition(void)
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matrix_power_up();
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matrix_scan();
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matrix_power_down();
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if (matrix_key_count()) return true;
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return false;
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for (uint8_t r = 0; r < MATRIX_ROWS; r++) {
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if (matrix_get_row(r)) return true;
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}
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return false;
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}
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// run immediately after wakeup
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@ -106,13 +106,15 @@ void bootmagic(void)
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}
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}
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static bool scan_keycode(uint8_t keycode) {
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for (int8_t r = MATRIX_ROWS - 1; r >= 0; --r) {
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static bool scan_keycode(uint8_t keycode)
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{
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for (uint8_t r = 0; r < MATRIX_ROWS; r++) {
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matrix_row_t matrix_row = matrix_get_row(r);
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for (int8_t c = MATRIX_COLS - 1; c >= 0; --c) {
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if (matrix_row & (matrix_row_t)1 << c) {
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keypos_t key = (keypos_t){ .row = r, .col = c };
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if (keycode == keymap_key_to_keycode(0, key)) return true;
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for (uint8_t c = 0; c < MATRIX_COLS; c++) {
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if (matrix_row & ((matrix_row_t)1<<c)) {
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if (keycode == keymap_key_to_keycode(0, (keypos_t){ .row = r, .col = c })) {
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return true;
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}
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}
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}
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}
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@ -51,17 +51,20 @@ along with this program. If not, see <http://www.gnu.org/licenses/>.
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#endif
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#ifdef MATRIX_HAS_GHOST
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static bool is_row_ghosting(uint8_t row){
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matrix_row_t state = matrix_get_row(row);
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/* no ghosting happens when only one key in the row is pressed */
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if (!(state - 1 & state)) return false;
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/* ghosting occurs when two keys in the same column are pressed */
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for (int8_t r = MATRIX_ROWS - 1; r >= 0; --r) {
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if (r != row && matrix_get_row(r) & state) return true;
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static bool has_ghost_in_row(uint8_t row)
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{
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matrix_row_t matrix_row = matrix_get_row(row);
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// No ghost exists when less than 2 keys are down on the row
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if (((matrix_row - 1) & matrix_row) == 0)
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return false;
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// Ghost occurs when the row shares column line with other row
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for (uint8_t i=0; i < MATRIX_ROWS; i++) {
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if (i != row && (matrix_get_row(i) & matrix_row))
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return true;
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}
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return false;
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}
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#endif
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__attribute__ ((weak))
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@ -100,72 +103,86 @@ void keyboard_init(void) {
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#endif
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}
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/* does routine keyboard jobs */
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void keyboard_task(void) {
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static uint8_t led_status;
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matrix_scan();
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for (int8_t r = MATRIX_ROWS - 1; r >= 0; --r) {
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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);
|
||||
}
|
||||
|
||||
@ -20,59 +20,48 @@ along with this program. If not, see <http://www.gnu.org/licenses/>.
|
||||
#include <stdint.h>
|
||||
#include <stdbool.h>
|
||||
|
||||
#if MATRIX_COLS <= 8
|
||||
typedef uint8_t matrix_row_t;
|
||||
#elif MATRIX_COLS <= 16
|
||||
typedef uint16_t matrix_row_t;
|
||||
#elif MATRIX_COLS <= 32
|
||||
typedef uint32_t matrix_row_t;
|
||||
|
||||
#if (MATRIX_COLS <= 8)
|
||||
typedef uint8_t matrix_row_t;
|
||||
#elif (MATRIX_COLS <= 16)
|
||||
typedef uint16_t matrix_row_t;
|
||||
#elif (MATRIX_COLS <= 32)
|
||||
typedef uint32_t matrix_row_t;
|
||||
#else
|
||||
# error "There are too many columns."
|
||||
#error "MATRIX_COLS: invalid value"
|
||||
#endif
|
||||
|
||||
#if DIODE_DIRECTION == ROW2COL
|
||||
# if MATRIX_ROWS <= 8
|
||||
typedef uint8_t matrix_col_t;
|
||||
# elif MATRIX_ROWS <= 16
|
||||
typedef uint16_t matrix_col_t;
|
||||
# elif MATRIX_ROWS <= 32
|
||||
typedef uint32_t matrix_col_t;
|
||||
# else
|
||||
# error "There are too many rows."
|
||||
# endif
|
||||
#endif
|
||||
#define MATRIX_IS_ON(row, col) (matrix_get_row(row) && (1<<col))
|
||||
|
||||
typedef struct {
|
||||
uint8_t input_addr:4;
|
||||
uint8_t bit:4;
|
||||
} io_pin_t;
|
||||
|
||||
#ifdef __cplusplus
|
||||
extern "C" {
|
||||
#endif
|
||||
/* counts the number of rows in the matrix */
|
||||
|
||||
/* number of matrix rows */
|
||||
uint8_t matrix_rows(void);
|
||||
/* counts the number of columns in the matrix */
|
||||
/* number of matrix columns */
|
||||
uint8_t matrix_cols(void);
|
||||
/* sets up the matrix before matrix_init */
|
||||
/* should be called at early stage of startup before matrix_init.(optional) */
|
||||
void matrix_setup(void);
|
||||
/* intializes the matrix */
|
||||
/* intialize matrix for scaning. */
|
||||
void matrix_init(void);
|
||||
/* scans the entire matrix */
|
||||
/* scan all key states on matrix */
|
||||
uint8_t matrix_scan(void);
|
||||
/* checks if the matrix has been modified */
|
||||
/* whether modified from previous scan. used after matrix_scan. */
|
||||
bool matrix_is_modified(void) __attribute__ ((deprecated));
|
||||
/* checks if a key is pressed */
|
||||
/* whether a swtich is on */
|
||||
bool matrix_is_on(uint8_t row, uint8_t col);
|
||||
/* inspects the state of a row in the matrix */
|
||||
/* matrix state on row */
|
||||
matrix_row_t matrix_get_row(uint8_t row);
|
||||
/* prints the matrix for debugging */
|
||||
/* print matrix for debug */
|
||||
void matrix_print(void);
|
||||
/* counts the total number of keys pressed */
|
||||
uint8_t matrix_key_count(void);
|
||||
/* controls power to the matrix */
|
||||
|
||||
|
||||
/* power control */
|
||||
void matrix_power_up(void);
|
||||
void matrix_power_down(void);
|
||||
|
||||
/* executes code for Quantum */
|
||||
void matrix_init_quantum(void);
|
||||
void matrix_scan_quantum(void);
|
||||
|
||||
Loading…
Reference in New Issue
Block a user