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-rw-r--r--keyboards/meira/matrix.c276
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diff --git a/keyboards/meira/matrix.c b/keyboards/meira/matrix.c
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--- a/keyboards/meira/matrix.c
+++ /dev/null
@@ -1,276 +0,0 @@
-/*
-Copyright 2012 Jun Wako <wakojun@gmail.com>
-Copyright 2017 Cole Markham <cole@ccmcomputing.net>
-
-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/>.
-*/
-
-/*
- * scan matrix
- */
-#include <stdint.h>
-#include <stdbool.h>
-#if defined(__AVR__)
-#include <avr/io.h>
-#endif
-#include "meira.h"
-#include "wait.h"
-#include "print.h"
-#include "debug.h"
-#include "util.h"
-#include "matrix.h"
-#include "config.h"
-#include "timer.h"
-
-#ifndef DEBOUNCE
-# define DEBOUNCE 5
-#endif
-
-#if (DEBOUNCE > 0)
- static uint16_t debouncing_time;
- static bool debouncing = false;
-#endif
-
-#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
-
-static matrix_row_t matrix_debouncing[MATRIX_ROWS];
-
-static const uint8_t row_pins[MATRIX_ROWS] = MATRIX_ROW_PINS;
-static const uint8_t col_pins[4] = MATRIX_COL_PINS_SCANNED;
-//static const uint8_t lrow_pins[MATRIX_ROWS] = LED_ROW_PINS;
-//static const uint8_t lcol_pins[4] = LED_COL_PINS;
-
-/* matrix state(1:on, 0:off) */
-static matrix_row_t matrix[MATRIX_ROWS];
-static matrix_row_t matrix_debouncing[MATRIX_ROWS];
-static void init_rows(void);
-//static void init_lcols(void);
-static bool read_rows_on_col(matrix_row_t current_matrix[], uint8_t current_col);
-static void unselect_cols(void);
-static void select_col(uint8_t col);
-
-
-__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;
-}
-
-void matrix_init(void)
-{
- debug_enable = true;
- debug_matrix = true;
- debug_mouse = true;
- // initialize row and col
- unselect_cols();
- init_rows();
-// init_lcols();
-
- // initialize matrix state: all keys off
- for (uint8_t i=0; i < MATRIX_ROWS; i++) {
- matrix[i] = 0;
- matrix_debouncing[i] = 0;
- }
-
- matrix_init_quantum();
-
-}
-
-uint8_t _matrix_scan(void)
-{
- // Set col, read rows
- for (uint8_t current_col = 0; current_col < MATRIX_COLS; current_col++) {
-# if (DEBOUNCE > 0)
- bool matrix_changed = read_rows_on_col(matrix_debouncing, current_col);
- if (matrix_changed) {
- debouncing = true;
- debouncing_time = timer_read();
- }
-# else
- read_rows_on_col(matrix, current_col);
-# endif
-
- }
-
-# if (DEBOUNCE > 0)
- if (debouncing && (timer_elapsed(debouncing_time) > DEBOUNCE)) {
- for (uint8_t i = 0; i < MATRIX_ROWS; i++) {
- matrix[i] = matrix_debouncing[i];
- }
- debouncing = false;
- }
-# endif
-
- return 1;
-}
-
-uint8_t matrix_scan(void)
-{
- uint8_t ret = _matrix_scan();
- matrix_scan_quantum();
- return ret;
-}
-
-bool matrix_is_modified(void)
-{
- if (debouncing) 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)
-{
- return matrix[row];
-}
-
-void matrix_print(void)
-{
- print("\nr/c 0123456789ABCDEF\n");
- for (uint8_t row = 0; row < MATRIX_ROWS; row++) {
- print_hex8(row); print(": ");
- print_bin_reverse16(matrix_get_row(row));
- print("\n");
- }
-}
-
-uint8_t matrix_key_count(void)
-{
- uint8_t count = 0;
- for (uint8_t i = 0; i < MATRIX_ROWS; i++) {
- count += bitpop16(matrix[i]);
- }
- return count;
-}
-
-
-static void init_rows(void)
-{
- for(uint8_t x = 0; x < MATRIX_ROWS; x++) {
- uint8_t pin = row_pins[x];
- _SFR_IO8((pin >> 4) + 1) &= ~_BV(pin & 0xF); // IN
- _SFR_IO8((pin >> 4) + 2) |= _BV(pin & 0xF); // HI
- }
-}
-
-
-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 selection 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 ((_SFR_IO8(row_pins[row_index] >> 4) & _BV(row_pins[row_index] & 0xF)) == 0)
- {
- // Pin LO, set col bit
- current_matrix[row_index] |= (ROW_SHIFTER << current_col);
- }
- else
- {
- // Pin HI, clear col bit
- current_matrix[row_index] &= ~(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_cols();
-
- return matrix_changed;
-}
-
-static void select_col(uint8_t col)
-{
-#ifdef FLIPPED_BOARD
- col = MATRIX_COLS - col - 1;
-#endif
- for(uint8_t x = 0; x < 4; x++) {
- uint8_t pin = col_pins[x];
- _SFR_IO8((pin >> 4) + 1) |= _BV(pin & 0xF); // OUT
- if (((col >> x) & 0x1) == 1){
- _SFR_IO8((pin >> 4) + 2) |= _BV(pin & 0xF); // HIGH
- } else {
- _SFR_IO8((pin >> 4) + 2) &= ~_BV(pin & 0xF); // LOW
- }
- }
-}
-
-static void unselect_cols(void)
-{
- // FIXME This really needs to use the global enable on the decoder, because currently this sets the value to col1
- for(uint8_t x = 0; x < 4; x++) {
- uint8_t pin = col_pins[x];
- _SFR_IO8((pin >> 4) + 1) |= _BV(pin & 0xF); // OUT
- _SFR_IO8((pin >> 4) + 2) &= ~_BV(pin & 0xF); // LOW
- }
-}