diff options
author | Nick Brassel <nick@tzarc.org> | 2021-08-29 08:20:25 +1000 |
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committer | Nick Brassel <nick@tzarc.org> | 2021-08-29 08:20:25 +1000 |
commit | f061ca497464fe85284906fb163a33eaee7a91ef (patch) | |
tree | 33ef1bfb529aed382e8526c607c4e18717f92571 /quantum/split_common/matrix.c | |
parent | ff65185dec6f97be1eb49f17cea526a0d0bbf3d6 (diff) | |
parent | 4bad375d7c09d949a9dcdd4feba147c9c7a67ec6 (diff) |
Breaking changes develop merge to master, 2021Q3 edition. (#14196)
Diffstat (limited to 'quantum/split_common/matrix.c')
-rw-r--r-- | quantum/split_common/matrix.c | 309 |
1 files changed, 0 insertions, 309 deletions
diff --git a/quantum/split_common/matrix.c b/quantum/split_common/matrix.c deleted file mode 100644 index 039e7d9773..0000000000 --- a/quantum/split_common/matrix.c +++ /dev/null @@ -1,309 +0,0 @@ -/* -Copyright 2012 Jun Wako <wakojun@gmail.com> - -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" -#include "split_util.h" -#include "config.h" -#include "transport.h" - -#define ERROR_DISCONNECT_COUNT 5 - -#define ROWS_PER_HAND (MATRIX_ROWS / 2) - -#ifdef DIRECT_PINS -static pin_t direct_pins[MATRIX_ROWS][MATRIX_COLS] = DIRECT_PINS; -#elif (DIODE_DIRECTION == ROW2COL) || (DIODE_DIRECTION == COL2ROW) -static pin_t row_pins[MATRIX_ROWS] = MATRIX_ROW_PINS; -static pin_t col_pins[MATRIX_COLS] = MATRIX_COL_PINS; -#endif - -/* 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 - -// row offsets for each hand -uint8_t thisHand, thatHand; - -// user-defined overridable functions -__attribute__((weak)) void matrix_slave_scan_kb(void) { matrix_slave_scan_user(); } -__attribute__((weak)) void matrix_slave_scan_user(void) {} - -static inline void setPinOutput_writeLow(pin_t pin) { - ATOMIC_BLOCK_FORCEON { - setPinOutput(pin); - writePinLow(pin); - } -} - -static inline void setPinInputHigh_atomic(pin_t pin) { - ATOMIC_BLOCK_FORCEON { setPinInputHigh(pin); } -} - -// 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) { - // Start with a clear matrix row - matrix_row_t current_row_value = 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_row_value |= readPin(pin) ? 0 : (MATRIX_ROW_SHIFTER << col_index); - } - } - - // If the row has changed, store the row and return the changed flag. - if (current_matrix[current_row] != current_row_value) { - current_matrix[current_row] = current_row_value; - return true; - } - return false; -} - -#elif defined(DIODE_DIRECTION) -# if (DIODE_DIRECTION == COL2ROW) - -static void select_row(uint8_t row) { setPinOutput_writeLow(row_pins[row]); } - -static void unselect_row(uint8_t row) { setPinInputHigh_atomic(row_pins[row]); } - -static void unselect_rows(void) { - for (uint8_t x = 0; x < ROWS_PER_HAND; x++) { - setPinInputHigh_atomic(row_pins[x]); - } -} - -static void init_pins(void) { - unselect_rows(); - for (uint8_t x = 0; x < MATRIX_COLS; x++) { - setPinInputHigh_atomic(col_pins[x]); - } -} - -static bool read_cols_on_row(matrix_row_t current_matrix[], uint8_t current_row) { - // Start with a clear matrix row - matrix_row_t current_row_value = 0; - - // Select row - select_row(current_row); - matrix_output_select_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_row_value |= pin_state ? 0 : (MATRIX_ROW_SHIFTER << col_index); - } - - // Unselect row - unselect_row(current_row); - matrix_output_unselect_delay(); // wait for all Col signals to go HIGH - - // If the row has changed, store the row and return the changed flag. - if (current_matrix[current_row] != current_row_value) { - current_matrix[current_row] = current_row_value; - return true; - } - return false; -} - -# elif (DIODE_DIRECTION == ROW2COL) - -static void select_col(uint8_t col) { setPinOutput_writeLow(col_pins[col]); } - -static void unselect_col(uint8_t col) { setPinInputHigh_atomic(col_pins[col]); } - -static void unselect_cols(void) { - for (uint8_t x = 0; x < MATRIX_COLS; x++) { - setPinInputHigh_atomic(col_pins[x]); - } -} - -static void init_pins(void) { - unselect_cols(); - for (uint8_t x = 0; x < ROWS_PER_HAND; x++) { - setPinInputHigh_atomic(row_pins[x]); - } -} - -static bool read_rows_on_col(matrix_row_t current_matrix[], uint8_t current_col) { - bool matrix_changed = false; - - // Select col - select_col(current_col); - matrix_output_select_delay(); - - // For each row... - for (uint8_t row_index = 0; row_index < ROWS_PER_HAND; row_index++) { - // Store last value of row prior to reading - matrix_row_t last_row_value = current_matrix[row_index]; - matrix_row_t current_row_value = last_row_value; - - // Check row pin state - if (readPin(row_pins[row_index]) == 0) { - // Pin LO, set col bit - current_row_value |= (MATRIX_ROW_SHIFTER << current_col); - } else { - // Pin HI, clear col bit - current_row_value &= ~(MATRIX_ROW_SHIFTER << current_col); - } - - // Determine if the matrix changed state - if ((last_row_value != current_row_value)) { - matrix_changed |= true; - current_matrix[row_index] = current_row_value; - } - } - - // Unselect col - unselect_col(current_col); - matrix_output_unselect_delay(); // wait for all Row signals to go HIGH - - return matrix_changed; -} - -# else -# error DIODE_DIRECTION must be one of COL2ROW or ROW2COL! -# endif -#else -# error DIODE_DIRECTION is not defined! -#endif - -void matrix_init(void) { - split_pre_init(); - - // Set pinout for right half if pinout for that half is defined - if (!isLeftHand) { -#ifdef DIRECT_PINS_RIGHT - const pin_t direct_pins_right[MATRIX_ROWS][MATRIX_COLS] = DIRECT_PINS_RIGHT; - for (uint8_t i = 0; i < MATRIX_ROWS; i++) { - for (uint8_t j = 0; j < MATRIX_COLS; j++) { - direct_pins[i][j] = direct_pins_right[i][j]; - } - } -#endif -#ifdef MATRIX_ROW_PINS_RIGHT - const pin_t row_pins_right[MATRIX_ROWS] = MATRIX_ROW_PINS_RIGHT; - for (uint8_t i = 0; i < MATRIX_ROWS; i++) { - row_pins[i] = row_pins_right[i]; - } -#endif -#ifdef MATRIX_COL_PINS_RIGHT - const pin_t col_pins_right[MATRIX_COLS] = MATRIX_COL_PINS_RIGHT; - for (uint8_t i = 0; i < MATRIX_COLS; i++) { - col_pins[i] = col_pins_right[i]; - } -#endif - } - - thisHand = isLeftHand ? 0 : (ROWS_PER_HAND); - thatHand = ROWS_PER_HAND - thisHand; - - // initialize key pins - init_pins(); - - // initialize matrix state: all keys off - for (uint8_t i = 0; i < MATRIX_ROWS; i++) { - raw_matrix[i] = 0; - matrix[i] = 0; - } - - debounce_init(ROWS_PER_HAND); - - matrix_init_quantum(); - - split_post_init(); -} - -bool matrix_post_scan(void) { - bool changed = false; - if (is_keyboard_master()) { - static uint8_t error_count; - - matrix_row_t slave_matrix[ROWS_PER_HAND] = {0}; - if (!transport_master(matrix + thisHand, slave_matrix)) { - error_count++; - - if (error_count > ERROR_DISCONNECT_COUNT) { - // reset other half if disconnected - for (int i = 0; i < ROWS_PER_HAND; ++i) { - matrix[thatHand + i] = 0; - slave_matrix[i] = 0; - } - - changed = true; - } - } else { - error_count = 0; - - for (int i = 0; i < ROWS_PER_HAND; ++i) { - if (matrix[thatHand + i] != slave_matrix[i]) { - matrix[thatHand + i] = slave_matrix[i]; - changed = true; - } - } - } - - matrix_scan_quantum(); - } else { - transport_slave(matrix + thatHand, matrix + thisHand); - - matrix_slave_scan_kb(); - } - - return changed; -} - -uint8_t matrix_scan(void) { - bool local_changed = false; - -#if defined(DIRECT_PINS) || (DIODE_DIRECTION == COL2ROW) - // Set row, read cols - for (uint8_t current_row = 0; current_row < ROWS_PER_HAND; current_row++) { - local_changed |= read_cols_on_row(raw_matrix, current_row); - } -#elif (DIODE_DIRECTION == ROW2COL) - // Set col, read rows - for (uint8_t current_col = 0; current_col < MATRIX_COLS; current_col++) { - local_changed |= read_rows_on_col(raw_matrix, current_col); - } -#endif - - debounce(raw_matrix, matrix + thisHand, ROWS_PER_HAND, local_changed); - - bool remote_changed = matrix_post_scan(); - return (uint8_t)(local_changed || remote_changed); -} |