diff options
author | フィルターペーパー <76888457+filterpaper@users.noreply.github.com> | 2023-12-27 12:28:06 +0800 |
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committer | GitHub <noreply@github.com> | 2023-12-26 20:28:06 -0800 |
commit | 594d03f4aaa01ea016f368aa74f5ed275635fc0d (patch) | |
tree | 68df39b17f769908ad78389a39e7d7489b4381f0 /keyboards/joshajohnson/hub16/matrix.c | |
parent | 2a048fbb650a24fcd9f2135c2dedec73c948589c (diff) |
Refactor: group hub keyboards (#22762)
Diffstat (limited to 'keyboards/joshajohnson/hub16/matrix.c')
-rw-r--r-- | keyboards/joshajohnson/hub16/matrix.c | 128 |
1 files changed, 128 insertions, 0 deletions
diff --git a/keyboards/joshajohnson/hub16/matrix.c b/keyboards/joshajohnson/hub16/matrix.c new file mode 100644 index 0000000000..4f32070e66 --- /dev/null +++ b/keyboards/joshajohnson/hub16/matrix.c @@ -0,0 +1,128 @@ +/* +Copyright 2012-2018 Jun Wako, Jack Humbert, Yiancar + +This program is free software: you can redistribute it and/or modify +it under the terms of the GNU General Public License as published by +the Free Software Foundation, either version 2 of the License, or +(at your option) any later version. + +This program is distributed in the hope that it will be useful, +but WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +GNU General Public License for more details. + +You should have received a copy of the GNU General Public License +along with this program. If not, see <http://www.gnu.org/licenses/>. +*/ +#include <stdint.h> +#include <stdbool.h> +#include "wait.h" +#include "util.h" +#include "matrix.h" +#include "quantum.h" + +// Encoder things +#define SWITCH_1 F7 +#define SWITCH_2 D7 +static bool read_encoder_switches(matrix_row_t current_matrix[], uint8_t current_row); + +static const pin_t row_pins[MATRIX_ROWS] = MATRIX_ROW_PINS; +static const pin_t col_pins[MATRIX_COLS] = MATRIX_COL_PINS; + +/* matrix state(1:on, 0:off) */ +extern matrix_row_t raw_matrix[MATRIX_ROWS]; // raw values +extern matrix_row_t matrix[MATRIX_ROWS]; // debounced values + +static void select_row(uint8_t row) { + setPinOutput(row_pins[row]); + writePinLow(row_pins[row]); +} + +static void unselect_row(uint8_t row) { setPinInputHigh(row_pins[row]); } + +static void unselect_rows(void) { + for (uint8_t x = 0; x < MATRIX_ROWS; x++) { + setPinInputHigh(row_pins[x]); + } +} + +static void init_pins(void) { + unselect_rows(); + for (uint8_t x = 0; x < MATRIX_COLS; x++) { + setPinInputHigh(col_pins[x]); + } +} + +static bool read_cols_on_row(matrix_row_t current_matrix[], uint8_t current_row) { + // Store last value of row prior to reading + matrix_row_t last_row_value = current_matrix[current_row]; + + // Clear data in matrix row + current_matrix[current_row] = 0; + + // Select row and wait for row selecton to stabilize + select_row(current_row); + wait_us(30); + + // For each col... + for (uint8_t col_index = 0; col_index < MATRIX_COLS; col_index++) { + // Select the col pin to read (active low) + uint8_t pin_state = readPin(col_pins[col_index]); + + // Populate the matrix row with the state of the col pin + current_matrix[current_row] |= pin_state ? 0 : (MATRIX_ROW_SHIFTER << col_index); + } + + // Unselect row + unselect_row(current_row); + + return (last_row_value != current_matrix[current_row]); +} + + +void matrix_init_custom(void) { + // initialize key pins + setPinInput(SWITCH_1); + setPinInput(SWITCH_2); + init_pins(); +} + +bool matrix_scan_custom(void) { + bool changed = false; + + // Set row, read cols + for (uint8_t current_row = 0; current_row < MATRIX_ROWS; current_row++) { + changed |= read_cols_on_row(raw_matrix, current_row); + } + + // Read encoder switches, already debounced + changed |= read_encoder_switches(matrix, 4); + + return changed; +} + +static bool read_encoder_switches(matrix_row_t current_matrix[], uint8_t current_row) { + // Store last value of row prior to reading + matrix_row_t last_row_value = current_matrix[current_row]; + + // Clear data in matrix row + current_matrix[current_row] = 0; + + // Debounce the encoder buttons using a shift register + static uint8_t btn_1_array; + static uint8_t btn_2_array; + bool btn_1_rise = 0; + bool btn_2_rise = 0; + btn_1_array <<= 1; + btn_2_array <<= 1; + btn_1_array |= readPin(SWITCH_1); + btn_2_array |= readPin(SWITCH_2); + (btn_1_array == 0b01111111) ? (btn_1_rise = 1) : (btn_1_rise = 0); + (btn_2_array == 0b01111111) ? (btn_2_rise = 1) : (btn_2_rise = 0); + + // Populate the matrix row with the state of the encoder + current_matrix[current_row] |= btn_1_rise ? (1 << 0) : 0; + current_matrix[current_row] |= btn_2_rise ? (1 << 1) : 0; + + return (last_row_value != current_matrix[current_row]); +} |