Revert back to the old matrix (Take the blue pill) (#10568)
* revert back to the old matrix. * apparently I can't count, J is the 19th not the 20th column
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					 1 changed files with 21 additions and 13 deletions
				
			
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			@ -21,8 +21,8 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
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#include "util.h"
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#include "print.h"
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#include "debug.h"
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#include "debounce.h"
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#include "wait.h"
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static uint8_t debouncing = DEBOUNCE;
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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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			@ -74,16 +74,13 @@ void matrix_init(void) {
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    matrix_debouncing[i] = 0;
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  }
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  debounce_init(MATRIX_ROWS);
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  matrix_init_quantum();
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}
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uint8_t matrix_scan(void) {
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    bool changed = false;
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    for (uint8_t col = 0; col < MATRIX_COLS; col++) {
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uint8_t matrix_scan(void) {
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  for (uint8_t col = 0; col < MATRIX_COLS; col++) {
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    select_col(col);
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    wait_us(30);
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    _delay_us(3);
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    uint8_t rows = read_rows(col);
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			@ -92,16 +89,27 @@ uint8_t matrix_scan(void) {
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      bool curr_bit = rows & (1<<row);
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      if (prev_bit != curr_bit) {
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        matrix_debouncing[row] ^= ((matrix_row_t)1<<col);
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        changed = true;
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        if (debouncing) {
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            dprint("bounce!: "); dprintf("%02X", debouncing); dprintln();
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        }
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        debouncing = DEBOUNCE;
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      }
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    }
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    unselect_cols();
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  }
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  debounce(matrix, matrix_debouncing, MATRIX_ROWS, changed);
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  if (debouncing) {
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    if (--debouncing) {
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      _delay_ms(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 (uint8_t)changed;
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  return 1;
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}
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inline matrix_row_t matrix_get_row(uint8_t row) {
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			@ -132,7 +140,7 @@ static void init_rows(void) {
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}
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static uint8_t read_rows(uint8_t col) {
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  if (col == 20) {
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  if (col == 19) {
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    return PINE&(1<<2) ? 0 : (1<<0);
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  } else {
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      return (PIND&(1<<0) ? (1<<1) : 0) |
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			@ -269,4 +277,4 @@ static void select_col(uint8_t col) {
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            PORTB |= 0b00100000;
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            break;
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    }
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}
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}
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