[Keyboard] Add Olly JF PCB (#14056)
Co-authored-by: Drashna Jaelre <drashna@live.com> Co-authored-by: Ryan <fauxpark@gmail.com>
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mechlovin
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462
keyboards/mechlovin/olly/jf/matrix.c
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462
keyboards/mechlovin/olly/jf/matrix.c
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/*
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Copyright 2012-2018 Jun Wako, Jack Humbert, Yiancar
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Copyright 2019 Evy Dekkers
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include <stdint.h>
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#include <stdbool.h>
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#include "wait.h"
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#include "util.h"
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#include "matrix.h"
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#include "debounce.h"
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#include "quantum.h"
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#ifdef DIRECT_PINS
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static pin_t direct_pins[MATRIX_ROWS][MATRIX_COLS] = DIRECT_PINS;
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#elif (DIODE_DIRECTION == ROW2COL) || (DIODE_DIRECTION == COL2ROW)
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static const pin_t row_pins[MATRIX_ROWS] = MATRIX_ROW_PINS;
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//static const pin_t col_pins[MATRIX_COLS] = MATRIX_COL_PINS;
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#endif
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// matrix code
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#ifdef DIRECT_PINS
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static void init_pins(void) {
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for (int row = 0; row < MATRIX_ROWS; row++) {
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for (int col = 0; col < MATRIX_COLS; col++) {
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pin_t pin = direct_pins[row][col];
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if (pin != NO_PIN) {
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setPinInputHigh(pin);
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}
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}
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}
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}
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static bool read_cols_on_row(matrix_row_t current_matrix[], uint8_t current_row) {
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matrix_row_t last_row_value = current_matrix[current_row];
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current_matrix[current_row] = 0;
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for (uint8_t col_index = 0; col_index < MATRIX_COLS; col_index++) {
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pin_t pin = direct_pins[current_row][col_index];
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if (pin != NO_PIN) {
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current_matrix[current_row] |= readPin(pin) ? 0 : (MATRIX_ROW_SHIFTER << col_index);
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}
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}
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return (last_row_value != current_matrix[current_row]);
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}
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#elif (DIODE_DIRECTION == COL2ROW)
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static void select_row(uint8_t row) {
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setPinOutput(row_pins[row]);
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writePinLow(row_pins[row]);
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}
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static void unselect_row(uint8_t row) { setPinInputHigh(row_pins[row]); }
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static void unselect_rows(void) {
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for (uint8_t x = 0; x < MATRIX_ROWS; x++) {
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setPinInputHigh(row_pins[x]);
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}
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}
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static void init_pins(void) {
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unselect_rows();
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for (uint8_t x = 0; x < MATRIX_COLS; x++) {
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setPinInputHigh(col_pins[x]);
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}
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}
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static bool read_cols_on_row(matrix_row_t current_matrix[], uint8_t current_row) {
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// Store last value of row prior to reading
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matrix_row_t last_row_value = current_matrix[current_row];
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// Clear data in matrix row
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current_matrix[current_row] = 0;
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// Select row and wait for row selecton to stabilize
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select_row(current_row);
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wait_us(30);
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// For each col...
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for (uint8_t col_index = 0; col_index < MATRIX_COLS; col_index++) {
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// Select the col pin to read (active low)
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uint8_t pin_state = readPin(col_pins[col_index]);
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// Populate the matrix row with the state of the col pin
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current_matrix[current_row] |= pin_state ? 0 : (MATRIX_ROW_SHIFTER << col_index);
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}
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// Unselect row
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unselect_row(current_row);
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return (last_row_value != current_matrix[current_row]);
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}
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#elif (DIODE_DIRECTION == ROW2COL)
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/* Cols 0 - 16
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* These columns use two 74HC138 3 to 8 bit demultiplexer. B4, C7 is the enable pin, must be set high (1) to use it.
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*
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* col / pin: PA0 PA1 PA2 PB4 PC7 PC2 PC3 PC5
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* 0: 0 ── 0 ── 0 1 ── 0 0 0 0
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* ────────────────────────────────────────────
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* 1: 0 ── 0 ── 1 1 ── 0 0 0 0
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* ────────────────────────────────────────────
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* 2: 0 ── 1 ── 0 1 ── 0 0 0 0
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* ────────────────────────────────────────────
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* 3: 0 ── 1 ── 1 1 ── 0 0 0 0
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* ────────────────────────────────────────────
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* 4: 1 ── 0 ── 0 1 ── 0 0 0 0
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* ────────────────────────────────────────────
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* 5: 1 ── 0 ── 1 1 ── 0 0 0 0
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* ────────────────────────────────────────────
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* 6: 1 ── 1 ── 0 1 ── 0 0 0 0
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* ────────────────────────────────────────────
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* 7: 1 ── 1 ── 1 1 ── 0 0 0 0
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* ────────────────────────────────────────────
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* 8: 1 ── 1 ── 1 0 ── 1 0 0 0
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* ────────────────────────────────────────────
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* 9: 0 ── 0 ── 0 0 ── 1 0 0 0
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* ────────────────────────────────────────────
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*10: 0 ── 0 ── 1 0 ── 1 0 0 0
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* ────────────────────────────────────────────
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*11: 0 ── 1 ── 0 0 ── 1 0 0 0
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* ────────────────────────────────────────────
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*12: 0 ── 1 ── 1 0 ── 1 0 0 0
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* ────────────────────────────────────────────
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*13: 1 ── 0 ── 0 0 ── 1 0 0 0
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* ────────────────────────────────────────────
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*14: 1 ── 0 ── 1 0 ── 1 0 0 0
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* ────────────────────────────────────────────
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*15: 1 ── 1 ── 0 0 ── 1 0 0 0
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* ────────────────────────────────────────────
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*16: 0 ── 0 ── 0 0 ── 0 1 0 0
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* ────────────────────────────────────────────
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*17: 0 ── 0 ── 0 0 ── 0 0 1 0
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* ────────────────────────────────────────────
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*18: 0 ── 0 ── 0 0 ── 0 0 0 1
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*
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*/
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static void select_col(uint8_t col) {
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switch (col) {
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case 0:
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writePinLow(A0);
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writePinLow(A1);
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writePinLow(A2);
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writePinHigh(B4);
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break;
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case 1:
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writePinLow(A0);
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writePinLow(A1);
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writePinHigh(A2);
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writePinHigh(B4);
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break;
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case 2:
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writePinLow(A0);
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writePinHigh(A1);
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writePinLow(A2);
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writePinHigh(B4);
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break;
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case 3:
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writePinLow(A0);
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writePinHigh(A1);
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writePinHigh(A2);
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writePinHigh(B4);
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break;
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case 4:
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writePinHigh(A0);
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writePinLow(A1);
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writePinLow(A2);
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writePinHigh(B4);
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break;
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case 5:
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writePinHigh(A0);
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writePinLow(A1);
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writePinHigh(A2);
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writePinHigh(B4);
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break;
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case 6:
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writePinHigh(A0);
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writePinHigh(A1);
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writePinLow(A2);
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writePinHigh(B4);
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break;
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case 7:
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writePinHigh(A0);
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writePinHigh(A1);
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writePinHigh(A2);
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writePinHigh(B4);
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break;
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case 8:
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writePinHigh(A0);
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writePinHigh(A1);
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writePinHigh(A2);
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writePinHigh(C7);
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break;
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case 9:
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writePinLow(A0);
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writePinLow(A1);
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writePinLow(A2);
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writePinHigh(C7);
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break;
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case 10:
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writePinLow(A0);
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writePinLow(A1);
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writePinHigh(A2);
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writePinHigh(C7);
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break;
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case 11:
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writePinLow(A0);
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writePinHigh(A1);
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writePinLow(A2);
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writePinHigh(C7);
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break;
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case 12:
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writePinLow(A0);
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writePinHigh(A1);
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writePinHigh(A2);
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writePinHigh(C7);
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break;
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case 13:
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writePinHigh(A0);
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writePinLow(A1);
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writePinLow(A2);
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writePinHigh(C7);
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break;
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case 14:
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writePinHigh(A0);
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writePinLow(A1);
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writePinHigh(A2);
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writePinHigh(C7);
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break;
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case 15:
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writePinHigh(A0);
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writePinHigh(A1);
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writePinLow(A2);
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writePinHigh(C7);
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break;
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case 16:
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writePinLow(C2);
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break;
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case 17:
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writePinLow(C3);
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break;
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case 18:
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writePinLow(C5);
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break;
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}
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}
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static void unselect_col(uint8_t col) {
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switch (col) {
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case 0:
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writePinHigh(A0);
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writePinHigh(A1);
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writePinHigh(A2);
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writePinLow(B4);
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break;
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case 1:
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writePinHigh(A0);
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writePinHigh(A1);
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writePinLow(A2);
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writePinLow(B4);
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break;
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case 2:
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writePinHigh(A0);
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writePinLow(A1);
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writePinHigh(A2);
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writePinLow(B4);
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break;
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case 3:
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writePinHigh(A0);
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writePinLow(A1);
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writePinLow(A2);
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writePinLow(B4);
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break;
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case 4:
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writePinLow(A0);
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writePinHigh(A1);
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writePinHigh(A2);
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writePinLow(B4);
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break;
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case 5:
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writePinLow(A0);
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writePinHigh(A1);
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writePinLow(A2);
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writePinLow(B4);
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break;
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case 6:
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writePinLow(A0);
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writePinLow(A1);
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writePinHigh(A2);
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writePinLow(B4);
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break;
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case 7:
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writePinLow(A0);
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writePinLow(A1);
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writePinLow(A2);
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writePinLow(B4);
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break;
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case 8:
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writePinLow(A0);
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writePinLow(A1);
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writePinLow(A2);
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writePinLow(C7);
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break;
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case 9:
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writePinHigh(A0);
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writePinHigh(A1);
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writePinHigh(A2);
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writePinLow(C7);
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break;
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case 10:
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writePinHigh(A0);
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writePinHigh(A1);
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writePinLow(A2);
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writePinLow(C7);
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break;
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case 11:
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writePinHigh(A0);
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writePinLow(A1);
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writePinHigh(A2);
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writePinLow(C7);
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break;
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case 12:
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writePinHigh(A0);
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writePinLow(A1);
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writePinLow(A2);
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writePinLow(C7);
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break;
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case 13:
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writePinLow(A0);
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writePinHigh(A1);
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writePinHigh(A2);
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writePinLow(C7);
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break;
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case 14:
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writePinLow(A0);
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writePinHigh(A1);
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writePinLow(A2);
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writePinLow(C7);
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break;
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case 15:
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writePinLow(A0);
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writePinLow(A1);
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writePinHigh(A2);
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writePinLow(C7);
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break;
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case 16:
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writePinHigh(C2);
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break;
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case 17:
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writePinHigh(C3);
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break;
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case 18:
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writePinHigh(C5);
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break;
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}
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}
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static void unselect_cols(void) {
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//Native
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writePinHigh(C2);
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writePinHigh(C3);
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writePinHigh(C5);
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//Demultiplexer
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writePinLow(B4);
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writePinLow(C7);
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writePinHigh(A0);
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writePinHigh(A1);
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writePinHigh(A2);
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}
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static void init_pins(void) {
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unselect_cols();
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for (uint8_t x = 0; x < MATRIX_ROWS; x++) {
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setPinInputHigh(row_pins[x]);
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}
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setPinOutput(A0);
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setPinOutput(A1);
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setPinOutput(A2);
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setPinOutput(B4);
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setPinOutput(C7);
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setPinOutput(C2);
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setPinOutput(C3);
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setPinOutput(C5);
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}
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static bool read_rows_on_col(matrix_row_t current_matrix[], uint8_t current_col) {
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bool matrix_changed = false;
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// Select col and wait for col selecton to stabilize
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select_col(current_col);
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wait_us(30);
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// For each row...
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for (uint8_t row_index = 0; row_index < MATRIX_ROWS; row_index++) {
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// Store last value of row prior to reading
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matrix_row_t last_row_value = current_matrix[row_index];
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// Check row pin state
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if (readPin(row_pins[row_index]) == 0) {
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// Pin LO, set col bit
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current_matrix[row_index] |= (MATRIX_ROW_SHIFTER << current_col);
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} else {
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// Pin HI, clear col bit
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current_matrix[row_index] &= ~(MATRIX_ROW_SHIFTER << current_col);
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}
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// Determine if the matrix changed state
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if ((last_row_value != current_matrix[row_index]) && !(matrix_changed)) {
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matrix_changed = true;
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}
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}
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// Unselect col
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unselect_col(current_col);
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return matrix_changed;
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}
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#endif
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void matrix_init_custom(void) {
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// initialize key pins
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init_pins();
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}
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bool matrix_scan_custom(matrix_row_t current_matrix[]) {
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bool changed = false;
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#if defined(DIRECT_PINS) || (DIODE_DIRECTION == COL2ROW)
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// Set row, read cols
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for (uint8_t current_row = 0; current_row < MATRIX_ROWS; current_row++) {
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changed |= read_cols_on_row(current_matrix, current_row);
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}
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#elif (DIODE_DIRECTION == ROW2COL)
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// Set col, read rows
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for (uint8_t current_col = 0; current_col < MATRIX_COLS; current_col++) {
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changed |= read_rows_on_col(current_matrix, current_col);
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}
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#endif
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return changed;
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}
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