[Keyboard] add dual-direction diode capability for hbcp (#8795)
* add dual-direction diode capability * update per PR requests Co-authored-by: hineybush <hineybushkeyboards@gmail.com>
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@ -45,8 +45,7 @@ along with this program. If not, see <http://www.gnu.org/licenses/>.
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#define MATRIX_COL_PINS { F0, F1, F2, F3, F4, F5, F6, F7, A0, A1, A2, A3, A4, A5, B5, B4, B3, B2 }
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#define MATRIX_COL_PINS { F0, F1, F2, F3, F4, F5, F6, F7, A0, A1, A2, A3, A4, A5, B5, B4, B3, B2 }
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#define UNUSED_PINS
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#define UNUSED_PINS
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/* COL2ROW, ROW2COL*/
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#define DIODE_DIRECTION EITHERWAY
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#define DIODE_DIRECTION COL2ROW
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#define BACKLIGHT_PIN B7
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#define BACKLIGHT_PIN B7
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#define BACKLIGHT_BREATHING
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#define BACKLIGHT_BREATHING
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139
keyboards/hineybush/hbcp/matrix.c
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139
keyboards/hineybush/hbcp/matrix.c
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@ -0,0 +1,139 @@
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/*
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Copyright 2012-2020 Jun Wako, Jack Humbert, Yiancar, Ein Terakawa, Drashna, Josh Hinnebusch
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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 "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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static const pin_t row_pins[] = MATRIX_ROW_PINS;
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static const pin_t col_pins[] = MATRIX_COL_PINS;
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/* matrix state(1:on, 0:off) */
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static matrix_row_t last_matrix[MATRIX_ROWS]; // raw values of last scan
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// matrix code
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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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void unselect_row(uint8_t row) { setPinInputHigh(row_pins[row]); }
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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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matrix_io_delay();
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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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void select_col(uint8_t col) {
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setPinOutput(col_pins[col]);
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writePinLow(col_pins[col]);
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}
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void unselect_col(uint8_t col) { setPinInputHigh(col_pins[col]); }
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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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matrix_io_delay();
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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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}
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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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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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void unselect_cols(void) {
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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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void init_pins(void) {
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unselect_rows();
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unselect_cols();
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}
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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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for (uint8_t current_row = 0; current_row < MATRIX_ROWS; current_row++) {
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last_matrix[current_row] = current_matrix[current_row];
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read_cols_on_row(current_matrix, current_row);
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}
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for (uint8_t current_col = 0; current_col < MATRIX_COLS; current_col++) {
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read_rows_on_col(current_matrix, current_col);
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}
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for (uint8_t current_row = 0; current_row < MATRIX_ROWS; current_row++) {
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if (last_matrix[current_row] != current_matrix[current_row]) {
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changed = true;
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}
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}
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return (uint8_t)changed;
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}
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@ -31,3 +31,5 @@ BLUETOOTH_ENABLE = no # Enable Bluetooth with the Adafruit EZ-Key HID
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AUDIO_ENABLE = no # Audio output on port C6
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AUDIO_ENABLE = no # Audio output on port C6
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FAUXCLICKY_ENABLE = no # Use buzzer to emulate clicky switches
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FAUXCLICKY_ENABLE = no # Use buzzer to emulate clicky switches
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HD44780_ENABLE = no # Enable support for HD44780 based LCDs
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HD44780_ENABLE = no # Enable support for HD44780 based LCDs
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CUSTOM_MATRIX = lite
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SRC += matrix.c
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