diff options
| -rw-r--r-- | keyboards/hineybush/hbcp/config.h | 3 | ||||
| -rw-r--r-- | keyboards/hineybush/hbcp/matrix.c | 139 | ||||
| -rw-r--r-- | keyboards/hineybush/hbcp/rules.mk | 2 |
3 files changed, 142 insertions, 2 deletions
diff --git a/keyboards/hineybush/hbcp/config.h b/keyboards/hineybush/hbcp/config.h index 8a5b96ec36..4f3f2a1cd6 100644 --- a/keyboards/hineybush/hbcp/config.h +++ b/keyboards/hineybush/hbcp/config.h @@ -45,8 +45,7 @@ along with this program. If not, see <http://www.gnu.org/licenses/>. #define MATRIX_COL_PINS { F0, F1, F2, F3, F4, F5, F6, F7, A0, A1, A2, A3, A4, A5, B5, B4, B3, B2 } #define UNUSED_PINS -/* COL2ROW, ROW2COL*/ -#define DIODE_DIRECTION COL2ROW +#define DIODE_DIRECTION EITHERWAY #define BACKLIGHT_PIN B7 #define BACKLIGHT_BREATHING diff --git a/keyboards/hineybush/hbcp/matrix.c b/keyboards/hineybush/hbcp/matrix.c new file mode 100644 index 0000000000..d493a7e9ef --- /dev/null +++ b/keyboards/hineybush/hbcp/matrix.c @@ -0,0 +1,139 @@ +/* +Copyright 2012-2020 Jun Wako, Jack Humbert, Yiancar, Ein Terakawa, Drashna, Josh Hinnebusch + +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 "util.h" +#include "matrix.h" +#include "debounce.h" +#include "quantum.h" + +static const pin_t row_pins[] = MATRIX_ROW_PINS; +static const pin_t col_pins[] = MATRIX_COL_PINS; + +/* matrix state(1:on, 0:off) */ +static matrix_row_t last_matrix[MATRIX_ROWS]; // raw values of last scan + +// matrix code + + void select_row(uint8_t row) { + setPinOutput(row_pins[row]); + writePinLow(row_pins[row]); +} + + void unselect_row(uint8_t row) { setPinInputHigh(row_pins[row]); } + + 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); + matrix_io_delay(); + + // 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 select_col(uint8_t col) { + setPinOutput(col_pins[col]); + writePinLow(col_pins[col]); +} + + void unselect_col(uint8_t col) { setPinInputHigh(col_pins[col]); } + + bool read_rows_on_col(matrix_row_t current_matrix[], uint8_t current_col) { + bool matrix_changed = false; + + // Select col and wait for col selecton to stabilize + select_col(current_col); + matrix_io_delay(); + + // For each row... + for (uint8_t row_index = 0; row_index < MATRIX_ROWS; row_index++) { + // Store last value of row prior to reading + matrix_row_t last_row_value = current_matrix[row_index]; + + // Check row pin state + if (readPin(row_pins[row_index]) == 0) { + // Pin LO, set col bit + current_matrix[row_index] |= (MATRIX_ROW_SHIFTER << current_col); + } + + // Determine if the matrix changed state + if ((last_row_value != current_matrix[row_index]) && !(matrix_changed)) { + matrix_changed = true; + } + } + + // Unselect col + unselect_col(current_col); + + return matrix_changed; +} + + void unselect_rows(void) { + for (uint8_t x = 0; x < MATRIX_ROWS; x++) { + setPinInputHigh(row_pins[x]); + } +} + + void unselect_cols(void) { + for (uint8_t x = 0; x < MATRIX_COLS; x++) { + setPinInputHigh(col_pins[x]); + } +} + + void init_pins(void) { + unselect_rows(); + unselect_cols(); +} + +void matrix_init_custom(void) { + // initialize key pins + init_pins(); +} + +bool matrix_scan_custom(matrix_row_t current_matrix[]) { + bool changed = false; + for (uint8_t current_row = 0; current_row < MATRIX_ROWS; current_row++) { + last_matrix[current_row] = current_matrix[current_row]; + read_cols_on_row(current_matrix, current_row); + } + for (uint8_t current_col = 0; current_col < MATRIX_COLS; current_col++) { + read_rows_on_col(current_matrix, current_col); + } + for (uint8_t current_row = 0; current_row < MATRIX_ROWS; current_row++) { + if (last_matrix[current_row] != current_matrix[current_row]) { + changed = true; + } + } + return (uint8_t)changed; +} diff --git a/keyboards/hineybush/hbcp/rules.mk b/keyboards/hineybush/hbcp/rules.mk index 869fa029c9..1e973bc858 100644 --- a/keyboards/hineybush/hbcp/rules.mk +++ b/keyboards/hineybush/hbcp/rules.mk @@ -31,3 +31,5 @@ BLUETOOTH_ENABLE = no # Enable Bluetooth with the Adafruit EZ-Key HID AUDIO_ENABLE = no # Audio output on port C6 FAUXCLICKY_ENABLE = no # Use buzzer to emulate clicky switches HD44780_ENABLE = no # Enable support for HD44780 based LCDs +CUSTOM_MATRIX = lite +SRC += matrix.c |