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-rw-r--r--keyboards/handwired/owlet60/matrix.c300
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diff --git a/keyboards/handwired/owlet60/matrix.c b/keyboards/handwired/owlet60/matrix.c
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--- a/keyboards/handwired/owlet60/matrix.c
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-/*
-Copyright 2019 worthlessowl
-based on work by:
-Jun Wako <wakojun@gmail.com>
-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>
-#include "owlet60.h"
-#include "wait.h"
-#include "print.h"
-#include "debug.h"
-#include "util.h"
-#include "matrix.h"
-#include "config.h"
-#include "timer.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 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 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 ROW_SHIFTER ((uint32_t)1)
-#endif
-
-static const uint8_t row_pins[MATRIX_ROWS] = MATRIX_ROW_PINS;
-static const uint8_t col_select_pins[3] = MATRIX_COL_SELECT_PINS;
-static const uint8_t dat_pin = MATRIX_COL_DATA_PIN;
-
-/* matrix state(1:on, 0:off) */
-static matrix_row_t raw_matrix[MATRIX_ROWS]; //raw values
-static matrix_row_t matrix[MATRIX_ROWS]; //raw values
-
-/* 2d array containing binary representation of its index */
-static const uint8_t num_in_binary[8][3] = {
- {0, 0, 0},
- {0, 0, 1},
- {0, 1, 0},
- {0, 1, 1},
- {1, 0, 0},
- {1, 0, 1},
- {1, 1, 0},
- {1, 1, 1},
-};
-
-static void select_col_analog(uint8_t col);
-static void mux_pin_control(const uint8_t binary[]);
-void debounce_init(uint8_t num_rows);
-void debounce(matrix_row_t raw[], matrix_row_t cooked[], uint8_t num_rows, bool changed);
-
-
-__attribute__ ((weak))
-void matrix_init_user(void) {}
-
-__attribute__ ((weak))
-void matrix_scan_user(void) {}
-
-__attribute__ ((weak))
-void matrix_init_kb(void) {
- matrix_init_user();
-}
-
-__attribute__ ((weak))
-void matrix_scan_kb(void) {
- matrix_scan_user();
-}
-
-inline
-uint8_t matrix_rows(void)
-{
- return MATRIX_ROWS;
-}
-
-inline
-uint8_t matrix_cols(void)
-{
- return MATRIX_COLS;
-}
-
-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");
- }
-}
-
-// uses standard row code
-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) { // still need some fixing, this might not work
- unselect_rows(); // with the loop
- /*
- for (uint8_t x = 0; x < MATRIX_COLS; x++) {
- setPinInputHigh(col_pins[x]);
- }
- */
- setPinInputHigh(dat_pin);
-}
-
-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)
- select_col_analog(col_index);
- wait_us(30);
- uint8_t pin_state = readPin(dat_pin);
-
- // 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]);
-}
-
-
-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();
-
- setPinInput(D5);
- setPinInput(B0);
-}
-
-// modified for per col read matrix scan
-uint8_t matrix_scan(void)
-{
- bool changed = false;
-
- for (uint8_t current_row = 0; current_row < MATRIX_ROWS; current_row++) {
- changed |= read_cols_on_row(raw_matrix, current_row);
- }
-
- debounce(raw_matrix, matrix, MATRIX_ROWS, changed);
-
- matrix_scan_quantum();
- return (uint8_t)changed;
-}
-
-/*
-uint8_t matrix_scan(void)
-{
- bool changed = false;
-
-#if (DIODE_DIRECTION == COL2ROW)
- // Set row, read cols
- for (uint8_t current_row = 0; current_row < MATRIX_ROWS; current_row++) {
- changed |= read_cols_on_row(raw_matrix, current_row);
- }
-#endif
-
- debounce(raw_matrix, matrix, MATRIX_ROWS, changed);
-
- matrix_scan_quantum();
- return (uint8_t)changed;
-}
-*/
-
-static void select_col_analog(uint8_t col) {
- switch(col) {
-
- case 0:
- mux_pin_control(num_in_binary[0]);
- break;
- case 1:
- mux_pin_control(num_in_binary[1]);
- break;
- case 2:
- mux_pin_control(num_in_binary[2]);
- break;
- case 3:
- mux_pin_control(num_in_binary[3]);
- break;
- case 4:
- mux_pin_control(num_in_binary[4]);
- break;
- case 5:
- mux_pin_control(num_in_binary[5]);
- break;
- case 6:
- mux_pin_control(num_in_binary[6]);
- break;
- case 7:
- mux_pin_control(num_in_binary[7]);
- break;
- default:
- break;
- }
-}
-
-static void mux_pin_control(const uint8_t binary[]) {
- // set pin0
- setPinOutput(col_select_pins[0]);
- if(binary[2] == 0) {
- writePinLow(col_select_pins[0]);
- }
- else {
- writePinHigh(col_select_pins[0]);
- }
- // set pin1
- setPinOutput(col_select_pins[1]);
- if(binary[1] == 0) {
- writePinLow(col_select_pins[1]);
- }
- else {
- writePinHigh(col_select_pins[1]);
- }
- // set pin2
- setPinOutput(col_select_pins[2]);
- if(binary[0] == 0) {
- writePinLow(col_select_pins[2]);
- }
- else {
- writePinHigh(col_select_pins[2]);
- }
-}