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Diffstat (limited to 'keyboards/maartenwut/wasdat_code/matrix.c')
-rw-r--r-- | keyboards/maartenwut/wasdat_code/matrix.c | 369 |
1 files changed, 0 insertions, 369 deletions
diff --git a/keyboards/maartenwut/wasdat_code/matrix.c b/keyboards/maartenwut/wasdat_code/matrix.c deleted file mode 100644 index 7844db7ab7..0000000000 --- a/keyboards/maartenwut/wasdat_code/matrix.c +++ /dev/null @@ -1,369 +0,0 @@ -/* -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 "debounce.h" -#include "quantum.h" - -#ifdef DIRECT_PINS -static pin_t direct_pins[MATRIX_ROWS][MATRIX_COLS] = DIRECT_PINS; -#elif (DIODE_DIRECTION == ROW2COL) || (DIODE_DIRECTION == COL2ROW) -static const pin_t row_pins[MATRIX_ROWS] = MATRIX_ROW_PINS; -//static const pin_t col_pins[MATRIX_COLS] = MATRIX_COL_PINS; -#endif - -// matrix code - -#ifdef DIRECT_PINS - -static void init_pins(void) { - for (int row = 0; row < MATRIX_ROWS; row++) { - for (int col = 0; col < MATRIX_COLS; col++) { - pin_t pin = direct_pins[row][col]; - if (pin != NO_PIN) { - setPinInputHigh(pin); - } - } - } -} - -static bool read_cols_on_row(matrix_row_t current_matrix[], uint8_t current_row) { - matrix_row_t last_row_value = current_matrix[current_row]; - current_matrix[current_row] = 0; - - for (uint8_t col_index = 0; col_index < MATRIX_COLS; col_index++) { - pin_t pin = direct_pins[current_row][col_index]; - if (pin != NO_PIN) { - current_matrix[current_row] |= readPin(pin) ? 0 : (MATRIX_ROW_SHIFTER << col_index); - } - } - - return (last_row_value != current_matrix[current_row]); -} - -#elif (DIODE_DIRECTION == COL2ROW) - -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]); -} - -#elif (DIODE_DIRECTION == ROW2COL) - -/* Cols 0 - 15 - * col 0: F7 - * col 1: F5 - * col 2: F6 - * col 3: F1 - * col 4: F4 - * col 5: F0 - * These columns use a 74HC237D 3 to 8 bit demultiplexer. D4 is the enable pin, must be set high to use it. - * A0 A1 A2 - * col / pin: PD2 PD1 PD0 - * 6: 1 1 1 - * col 7: D3 - * col 8: B7 - * 9: 0 1 1 - * 10: 1 0 1 - * 11: 0 0 1 - * 12: 1 1 0 - * 13: 0 1 0 - * 14: 1 0 0 - * 15: 0 0 0 - */ -static void select_col(uint8_t col) { - switch (col) { - case 0: - writePinLow(F7); - break; - case 1: - writePinLow(F5); - break; - case 2: - writePinLow(F6); - break; - case 3: - writePinLow(F1); - break; - case 4: - writePinLow(F4); - break; - case 5: - writePinLow(F0); - break; - case 6: - writePinHigh(D4); - writePinHigh(D2); - writePinHigh(D1); - writePinHigh(D0); - break; - case 7: - writePinLow(D5); - break; - case 8: - writePinLow(D3); - break; - case 9: - writePinHigh(D4); - writePinHigh(D1); - writePinHigh(D0); - break; - case 10: - writePinHigh(D4); - writePinHigh(D2); - writePinHigh(D0); - break; - case 11: - writePinHigh(D4); - writePinHigh(D0); - break; - case 12: - writePinHigh(D4); - writePinHigh(D2); - writePinHigh(D1); - break; - case 13: - writePinHigh(D4); - writePinHigh(D1); - break; - case 14: - writePinHigh(D4); - writePinHigh(D2); - break; - case 15: - writePinHigh(D4); - break; - } -} - -static void unselect_col(uint8_t col) { - switch (col) { - case 0: - writePinHigh(F7); - break; - case 1: - writePinHigh(F5); - break; - case 2: - writePinHigh(F6); - break; - case 3: - writePinHigh(F1); - break; - case 4: - writePinHigh(F4); - break; - case 5: - writePinHigh(F0); - break; - case 6: - writePinLow(D4); - writePinLow(D2); - writePinLow(D1); - writePinLow(D0); - break; - case 7: - writePinHigh(D5); - break; - case 8: - writePinHigh(D3); - break; - case 9: - writePinLow(D4); - writePinLow(D2); - writePinLow(D1); - writePinLow(D0); - break; - case 10: - writePinLow(D4); - writePinLow(D2); - writePinLow(D1); - writePinLow(D0); - break; - case 11: - writePinLow(D4); - writePinLow(D2); - writePinLow(D1); - writePinLow(D0); - break; - case 12: - writePinLow(D4); - writePinLow(D2); - writePinLow(D1); - writePinLow(D0); - break; - case 13: - writePinLow(D4); - writePinLow(D2); - writePinLow(D1); - writePinLow(D0); - break; - case 14: - writePinLow(D4); - writePinLow(D2); - writePinLow(D1); - writePinLow(D0); - break; - case 15: - writePinLow(D4); - writePinLow(D2); - writePinLow(D1); - writePinLow(D0); - break; - } -} - -static void unselect_cols(void) { - //Native - writePinHigh(F7); - writePinHigh(F5); - writePinHigh(F6); - writePinHigh(F1); - writePinHigh(F4); - writePinHigh(F0); - writePinHigh(D3); - writePinHigh(D5); - - //Demultiplexer - writePinLow(D4); - writePinLow(D2); - writePinLow(D1); - writePinLow(D0); -} - -static void init_pins(void) { - unselect_cols(); - for (uint8_t x = 0; x < MATRIX_ROWS; x++) { - setPinInputHigh(row_pins[x]); - } - setPinOutput(D0); - setPinOutput(D1); - setPinOutput(D2); - setPinOutput(D3); - setPinOutput(F7); - setPinOutput(F5); - setPinOutput(F6); - setPinOutput(F1); - setPinOutput(F4); - setPinOutput(F0); - setPinOutput(D3); - setPinOutput(D5); - setPinOutput(D4); -} - -static 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); - wait_us(30); - - // 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); - } else { - // Pin HI, clear 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; -} - -#endif - -void matrix_init_custom(void) { - // initialize key pins - init_pins(); -} - -bool matrix_scan_custom(matrix_row_t current_matrix[]) { - bool changed = false; - -#if defined(DIRECT_PINS) || (DIODE_DIRECTION == COL2ROW) - // Set row, read cols - for (uint8_t current_row = 0; current_row < MATRIX_ROWS; current_row++) { - changed |= read_cols_on_row(current_matrix, current_row); - } -#elif (DIODE_DIRECTION == ROW2COL) - // Set col, read rows - for (uint8_t current_col = 0; current_col < MATRIX_COLS; current_col++) { - changed |= read_rows_on_col(current_matrix, current_col); - } -#endif - - return changed; -} |