Fixing Debounce - WIP
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IBNobody
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@ -31,7 +31,7 @@ along with this program. If not, see <http://www.gnu.org/licenses/>.
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#define BACKLIGHT_LEVELS 3
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/* Debounce reduces chatter (unintended double-presses) - set 0 if debouncing is not needed */
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#define DEBOUNCING_DELAY 5
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#define DEBOUNCING_DELAY 0
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#define MATRIX_MASKED
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256
quantum/matrix.c
256
quantum/matrix.c
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@ -26,6 +26,33 @@ 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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#if (MATRIX_COLS <= 8)
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# define print_matrix_header() print("\nr/c 01234567\n")
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# define print_matrix_row(row) print_bin_reverse8(matrix_get_row(row))
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# define matrix_bitpop(i) bitpop(matrix[i])
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# define ROW_SHIFTER ((uint8_t)1)
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#elif (MATRIX_COLS <= 16)
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# define print_matrix_header() print("\nr/c 0123456789ABCDEF\n")
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# define print_matrix_row(row) print_bin_reverse16(matrix_get_row(row))
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# define matrix_bitpop(i) bitpop16(matrix[i])
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# define ROW_SHIFTER ((uint16_t)1)
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#elif (MATRIX_COLS <= 32)
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# define print_matrix_header() print("\nr/c 0123456789ABCDEF0123456789ABCDEF\n")
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# define print_matrix_row(row) print_bin_reverse32(matrix_get_row(row))
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# define matrix_bitpop(i) bitpop32(matrix[i])
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# define ROW_SHIFTER ((uint32_t)1)
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#endif
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#if (MATRIX_ROWS <= 8)
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# define COL_SHIFTER ((uint8_t)1)
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#elif (MATRIX_ROWS <= 16)
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# define COL_SHIFTER ((uint16_t)1)
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#elif (MATRIX_ROWS <= 32)
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# define COL_SHIFTER ((uint32_t)1)
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#endif
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#ifdef MATRIX_MASKED
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extern const matrix_row_t matrix_mask[];
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#endif
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@ -42,24 +69,28 @@ static const uint8_t col_pins[MATRIX_COLS] = MATRIX_COL_PINS;
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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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#if DIODE_DIRECTION == COL2ROW
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static matrix_row_t matrix_debouncing[MATRIX_ROWS];
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#else // ROW2COL
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static matrix_col_t matrix_transposed[MATRIX_COLS];
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static matrix_col_t matrix_transposed_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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#if (DIODE_DIRECTION == COL2ROW)
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static void init_cols(void);
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static matrix_row_t read_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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static void unselect_row(uint8_t row);
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#else // ROW2COL
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static void init_rows(void);
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static matrix_col_t read_rows(void);
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static void unselect_cols(void);
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static void unselect_col(uint8_t col);
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static void select_col(uint8_t col);
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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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@ -99,7 +130,7 @@ uint8_t matrix_cols(void) {
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}
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// void matrix_power_up(void) {
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// #if DIODE_DIRECTION == COL2ROW
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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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@ -123,13 +154,15 @@ uint8_t matrix_cols(void) {
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// }
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void matrix_init(void) {
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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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#if (defined(__AVR_AT90USB1286__) || defined(__AVR_AT90USB1287__) || defined(__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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// initialize row and col
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#if (DIODE_DIRECTION == COL2ROW)
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unselect_rows();
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init_cols();
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@ -139,25 +172,43 @@ void matrix_init(void) {
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matrix_debouncing[i] = 0;
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}
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#else // ROW2COL
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unselect_cols();
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init_rows();
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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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}
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// initialize matrix state: all keys off
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for (uint8_t i=0; i < MATRIX_COLS; i++) {
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matrix_transposed_debouncing[i] = 0;
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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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#if (DIODE_DIRECTION == COL2ROW)
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// Set row, read cols
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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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matrix_row_t current_row = read_cols();
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if (matrix_debouncing[i] != current_row) {
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matrix_debouncing[i] = current_row;
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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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unselect_rows();
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unselect_row(i);
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}
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if (debouncing) {
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@ -169,19 +220,23 @@ uint8_t matrix_scan(void)
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}
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}
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}
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#else
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#else // ROW2COL
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// Set col, read rows
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for (uint8_t i = 0; i < MATRIX_COLS; i++) {
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select_row(i);
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select_col(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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matrix_col_t current_col = read_rows();
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if (matrix_transposed_debouncing[i] != current_col) {
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matrix_transposed_debouncing[i] = current_col;
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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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unselect_rows();
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unselect_col(i);
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}
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if (debouncing) {
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@ -189,17 +244,20 @@ uint8_t matrix_scan(void)
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wait_ms(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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matrix_transposed[i] = matrix_transposed_debouncing[i];
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}
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}
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}
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// Untranspose matrix
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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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row |= ((matrix_transposed[x] & (1<<y)) >> y) << x;
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}
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matrix[y] = row;
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}
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#endif
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matrix_scan_quantum();
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@ -233,23 +291,11 @@ matrix_row_t matrix_get_row(uint8_t row)
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void matrix_print(void)
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{
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#if (MATRIX_COLS <= 8)
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print("\nr/c 01234567\n");
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#elif (MATRIX_COLS <= 16)
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print("\nr/c 0123456789ABCDEF\n");
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#elif (MATRIX_COLS <= 32)
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print("\nr/c 0123456789ABCDEF0123456789ABCDEF\n");
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#endif
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print_matrix_header();
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for (uint8_t row = 0; row < MATRIX_ROWS; row++) {
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phex(row); print(": ");
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#if (MATRIX_COLS <= 8)
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print_bin_reverse8(matrix_get_row(row));
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#elif (MATRIX_COLS <= 16)
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print_bin_reverse16(matrix_get_row(row));
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#elif (MATRIX_COLS <= 32)
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print_bin_reverse32(matrix_get_row(row));
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#endif
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print_matrix_row(row);
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print("\n");
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}
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}
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@ -258,28 +304,21 @@ uint8_t matrix_key_count(void)
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{
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uint8_t count = 0;
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for (uint8_t i = 0; i < MATRIX_ROWS; i++) {
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#if (MATRIX_COLS <= 8)
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count += bitpop(matrix[i]);
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#elif (MATRIX_COLS <= 16)
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count += bitpop16(matrix[i]);
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#elif (MATRIX_COLS <= 32)
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count += bitpop32(matrix[i]);
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#endif
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count += matrix_bitpop(i);
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}
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return count;
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}
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#if (DIODE_DIRECTION == COL2ROW)
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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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for(uint8_t x = 0; x < MATRIX_COLS; x++) {
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uint8_t pin = col_pins[x];
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_SFR_IO8((pin >> 4) + 1) &= ~_BV(pin & 0xF); // IN
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_SFR_IO8((pin >> 4) + 2) |= _BV(pin & 0xF); // HI
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}
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}
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@ -287,40 +326,81 @@ 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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for(uint8_t x = 0; x < MATRIX_COLS; x++) {
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uint8_t pin = col_pins[x];
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result |= (_SFR_IO8(pin >> 4) & _BV(pin & 0xF)) ? 0 : (ROW_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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return result;
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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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uint8_t pin = row_pins[row];
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_SFR_IO8((pin >> 4) + 1) |= _BV(pin & 0xF); // OUT
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_SFR_IO8((pin >> 4) + 2) &= ~_BV(pin & 0xF); // LOW
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}
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static void unselect_row(uint8_t row)
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{
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uint8_t pin = row_pins[row];
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_SFR_IO8((pin >> 4) + 1) &= ~_BV(pin & 0xF); // IN
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_SFR_IO8((pin >> 4) + 2) |= _BV(pin & 0xF); // HI
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}
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static void unselect_rows(void)
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{
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for(uint8_t x = 0; x < MATRIX_ROWS; x++) {
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uint8_t pin = row_pins[x];
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_SFR_IO8((pin >> 4) + 1) &= ~_BV(pin & 0xF); // IN
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_SFR_IO8((pin >> 4) + 2) |= _BV(pin & 0xF); // HI
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}
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}
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#else // ROW2COL
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static void init_rows(void)
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{
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for(uint8_t x = 0; x < MATRIX_ROWS; x++) {
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uint8_t pin = row_pins[x];
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_SFR_IO8((pin >> 4) + 1) &= ~_BV(pin & 0xF); // IN
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_SFR_IO8((pin >> 4) + 2) |= _BV(pin & 0xF); // HI
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}
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}
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static matrix_col_t read_rows(void)
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{
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matrix_col_t result = 0;
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for(uint8_t x = 0; x < MATRIX_ROWS; x++) {
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uint8_t pin = row_pins[x];
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result |= (_SFR_IO8(pin >> 4) & _BV(pin & 0xF)) ? 0 : (COL_SHIFTER << x);
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}
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return result;
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}
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static void select_col(uint8_t col)
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{
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uint8_t pin = col_pins[col];
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_SFR_IO8((pin >> 4) + 1) |= _BV(pin & 0xF); // OUT
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_SFR_IO8((pin >> 4) + 2) &= ~_BV(pin & 0xF); // LOW
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}
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static void unselect_col(uint8_t col)
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{
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uint8_t pin = col_pins[col];
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_SFR_IO8((pin >> 4) + 1) &= ~_BV(pin & 0xF); // IN
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_SFR_IO8((pin >> 4) + 2) |= _BV(pin & 0xF); // HI
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}
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static void unselect_cols(void)
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{
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for(uint8_t x = 0; x < MATRIX_COLS; x++) {
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uint8_t pin = col_pins[x];
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_SFR_IO8((pin >> 4) + 1) &= ~_BV(pin & 0xF); // IN
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_SFR_IO8((pin >> 4) + 2) |= _BV(pin & 0xF); // HI
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}
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}
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#endif
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@ -31,6 +31,16 @@ typedef uint32_t matrix_row_t;
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#error "MATRIX_COLS: invalid value"
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#endif
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#if (MATRIX_ROWS <= 8)
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typedef uint8_t matrix_col_t;
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#elif (MATRIX_ROWS <= 16)
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typedef uint16_t matrix_col_t;
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#elif (MATRIX_ROWS <= 32)
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typedef uint32_t matrix_col_t;
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#else
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#error "MATRIX_COLS: invalid value"
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#endif
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#define MATRIX_IS_ON(row, col) (matrix_get_row(row) && (1<<col))
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