You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
335 lines
8.5 KiB
335 lines
8.5 KiB
/*
|
|
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/>.
|
|
*/
|
|
|
|
/*
|
|
* scan matrix
|
|
*/
|
|
#include <stdint.h>
|
|
#include <stdbool.h>
|
|
#include "wait.h"
|
|
#include "util.h"
|
|
#include "matrix.h"
|
|
#include "split_util.h"
|
|
#include "config.h"
|
|
#include "quantum.h"
|
|
#include "debounce.h"
|
|
#include "transport.h"
|
|
|
|
#ifdef ENCODER_ENABLE
|
|
#include "encoder.h"
|
|
#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
|
|
|
|
#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;
|
|
#else
|
|
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) */
|
|
static matrix_row_t matrix[MATRIX_ROWS];
|
|
static matrix_row_t raw_matrix[ROWS_PER_HAND];
|
|
|
|
// row offsets for each hand
|
|
uint8_t thisHand, thatHand;
|
|
|
|
// user-defined overridable functions
|
|
|
|
__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) {}
|
|
|
|
__attribute__((weak)) void matrix_slave_scan_user(void) {}
|
|
|
|
// helper functions
|
|
|
|
inline uint8_t matrix_rows(void) { return MATRIX_ROWS; }
|
|
|
|
inline uint8_t matrix_cols(void) { return MATRIX_COLS; }
|
|
|
|
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) { return matrix[row]; }
|
|
|
|
void matrix_print(void) {
|
|
print_matrix_header();
|
|
|
|
for (uint8_t row = 0; row < MATRIX_ROWS; row++) {
|
|
phex(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;
|
|
}
|
|
|
|
// 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 : (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 < ROWS_PER_HAND; 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++) {
|
|
// Populate the matrix row with the state of the col pin
|
|
current_matrix[current_row] |= readPin(col_pins[col_index]) ? 0 : (ROW_SHIFTER << col_index);
|
|
}
|
|
|
|
// Unselect row
|
|
unselect_row(current_row);
|
|
|
|
return (last_row_value != current_matrix[current_row]);
|
|
}
|
|
|
|
#elif (DIODE_DIRECTION == ROW2COL)
|
|
|
|
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_cols();
|
|
for (uint8_t x = 0; x < ROWS_PER_HAND; x++) {
|
|
setPinInputHigh(row_pins[x]);
|
|
}
|
|
}
|
|
|
|
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 < ROWS_PER_HAND; 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])) {
|
|
// Pin HI, clear col bit
|
|
current_matrix[row_index] &= ~(ROW_SHIFTER << current_col);
|
|
} else {
|
|
// Pin LO, set 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_col(current_col);
|
|
|
|
return matrix_changed;
|
|
}
|
|
|
|
#endif
|
|
|
|
void matrix_init(void) {
|
|
debug_enable = true;
|
|
debug_matrix = true;
|
|
debug_mouse = true;
|
|
|
|
// Set pinout for right half if pinout for that half is defined
|
|
if (!isLeftHand) {
|
|
#ifdef MATRIX_ROW_PINS_RIGHT
|
|
const uint8_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 uint8_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++) {
|
|
matrix[i] = 0;
|
|
}
|
|
|
|
debounce_init(ROWS_PER_HAND);
|
|
|
|
matrix_init_quantum();
|
|
}
|
|
|
|
uint8_t _matrix_scan(void) {
|
|
bool 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++) {
|
|
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++) {
|
|
changed |= read_rows_on_col(raw_matrix, current_col);
|
|
}
|
|
#endif
|
|
|
|
debounce(raw_matrix, matrix + thisHand, ROWS_PER_HAND, changed);
|
|
|
|
return 1;
|
|
}
|
|
|
|
uint8_t matrix_scan(void) {
|
|
uint8_t ret = _matrix_scan();
|
|
|
|
if (is_keyboard_master()) {
|
|
static uint8_t error_count;
|
|
|
|
if (!transport_master(matrix + thatHand)) {
|
|
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;
|
|
}
|
|
}
|
|
} else {
|
|
error_count = 0;
|
|
}
|
|
|
|
matrix_scan_quantum();
|
|
} else {
|
|
transport_slave(matrix + thisHand);
|
|
#ifdef ENCODER_ENABLE
|
|
encoder_read();
|
|
#endif
|
|
matrix_slave_scan_user();
|
|
}
|
|
|
|
return ret;
|
|
}
|