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-rw-r--r--keyboards/thedogkeyboard/matrix.c287
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diff --git a/keyboards/thedogkeyboard/matrix.c b/keyboards/thedogkeyboard/matrix.c
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--- a/keyboards/thedogkeyboard/matrix.c
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-/*
-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 "print.h"
-#include "debug.h"
-#include "util.h"
-#include "matrix.h"
-#include "debounce.h"
-#include "quantum.h"
-
-#if (MATRIX_COLS <= 8)
-# define print_matrix_header() print("\nr/c 01234567\n")
-# define print_matrix_row(row) print_bin_reverse8(matrix_get_row(row))
-# define matrix_bitpop(i) bitpop(matrix[i])
-# define ROW_SHIFTER ((uint8_t)1)
-#elif (MATRIX_COLS <= 16)
-# define print_matrix_header() print("\nr/c 0123456789ABCDEF\n")
-# define print_matrix_row(row) print_bin_reverse16(matrix_get_row(row))
-# define matrix_bitpop(i) bitpop16(matrix[i])
-# define ROW_SHIFTER ((uint16_t)1)
-#elif (MATRIX_COLS <= 32)
-# define print_matrix_header() print("\nr/c 0123456789ABCDEF0123456789ABCDEF\n")
-# define print_matrix_row(row) print_bin_reverse32(matrix_get_row(row))
-# define matrix_bitpop(i) bitpop32(matrix[i])
-# define ROW_SHIFTER ((uint32_t)1)
-#endif
-
-#ifdef MATRIX_MASKED
- extern const matrix_row_t matrix_mask[];
-#endif
-
-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) */
-static matrix_row_t raw_matrix[MATRIX_ROWS]; //raw values
-static matrix_row_t matrix[MATRIX_ROWS]; //debounced values
-
-__attribute__ ((weak))
-void matrix_init_quantum(void) {
- matrix_init_kb();
-}
-
-__attribute__ ((weak))
-void matrix_scan_quantum(void) {
- matrix_scan_kb();
-}
-
-__attribute__ ((weak))
-void matrix_init_kb(void) {
- matrix_init_user();
-}
-
-__attribute__ ((weak))
-void matrix_scan_kb(void) {
- matrix_scan_user();
-}
-
-__attribute__ ((weak))
-void matrix_init_user(void) {
-}
-
-__attribute__ ((weak))
-void matrix_scan_user(void) {
-}
-
-inline
-uint8_t matrix_rows(void) {
- return MATRIX_ROWS;
-}
-
-inline
-uint8_t matrix_cols(void) {
- return MATRIX_COLS;
-}
-
-//Deprecated.
-bool matrix_is_modified(void)
-{
- if (debounce_active()) return false;
- return true;
-}
-
-inline
-bool matrix_is_on(uint8_t row, uint8_t col)
-{
- return (matrix[row] & ((matrix_row_t)1<<col));
-}
-
-inline
-matrix_row_t matrix_get_row(uint8_t row)
-{
- // Matrix mask lets you disable switches in the returned matrix data. For example, if you have a
- // switch blocker installed and the switch is always pressed.
-#ifdef MATRIX_MASKED
- return matrix[row] & matrix_mask[row];
-#else
- return matrix[row];
-#endif
-}
-
-void matrix_print(void)
-{
- print_matrix_header();
-
- for (uint8_t row = 0; row < MATRIX_ROWS; row++) {
- print_hex8(row); print(": ");
- print_matrix_row(row);
- print("\n");
- }
-}
-
-uint8_t matrix_key_count(void)
-{
- uint8_t count = 0;
- for (uint8_t i = 0; i < MATRIX_ROWS; i++) {
- count += matrix_bitpop(i);
- }
- return count;
-}
-
-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 select_col(uint8_t col)
-{
- setPinOutput(col_pins[col]);
- writePinLow(col_pins[col]);
-}
-
-static void unselect_col(uint8_t col)
-{
- setPinInputHigh(col_pins[col]);
-}
-
-static void unselect_cols(void)
-{
- for(uint8_t x = 0; x < MATRIX_COLS; x++) {
- setPinInputHigh(col_pins[x]);
- }
-}
-
-static void init_pins(void) {
- unselect_rows();
- unselect_cols();
- for (uint8_t x = 0; x < MATRIX_COLS; x++) {
- setPinInputHigh(col_pins[x]);
- }
- for (uint8_t x = 0; x < MATRIX_ROWS; x++) {
- setPinInputHigh(row_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 : (ROW_SHIFTER << col_index);
- }
-
- // Unselect row
- unselect_row(current_row);
-
- return (last_row_value != current_matrix[current_row]);
-}
-
-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/2; row_index++)
- {
- uint8_t tmp = row_index + MATRIX_ROWS/2;
- // Store last value of row prior to reading
- matrix_row_t last_row_value = current_matrix[tmp];
-
- // Check row pin state
- if (readPin(row_pins[row_index]) == 0)
- {
- // Pin LO, set col bit
- current_matrix[tmp] |= (ROW_SHIFTER << current_col);
- }
- else
- {
- // Pin HI, clear col bit
- current_matrix[tmp] &= ~(ROW_SHIFTER << current_col);
- }
-
- // Determine if the matrix changed state
- if ((last_row_value != current_matrix[tmp]) && !(matrix_changed))
- {
- matrix_changed = true;
- }
- }
-
- // Unselect col
- unselect_col(current_col);
-
- return matrix_changed;
-}
-
-void matrix_init(void) {
-
- // 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(MATRIX_ROWS);
-
- matrix_init_quantum();
-}
-
-uint8_t matrix_scan(void)
-{
- bool changed = false;
-
- // Set row, read cols
- for (uint8_t current_row = 0; current_row < MATRIX_ROWS / 2; current_row++) {
- changed |= read_cols_on_row(raw_matrix, current_row);
- }
- //else
- // Set col, read rows
- for (uint8_t current_col = 0; current_col < MATRIX_COLS; current_col++) {
- changed |= read_rows_on_col(raw_matrix, current_col);
- }
-
- debounce(raw_matrix, matrix, MATRIX_ROWS, changed);
-
- matrix_scan_quantum();
- return (uint8_t)changed;
-}
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