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#include "matrix.h"
#include "debounce.h"
#include "wait.h"
#include "print.h"
#include "debug.h"
#ifdef SPLIT_KEYBOARD
# include "split_common/split_util.h"
# include "split_common/transactions.h"
# include <string.h>
# define ROWS_PER_HAND (MATRIX_ROWS / 2)
#else
# define ROWS_PER_HAND (MATRIX_ROWS)
#endif
#ifndef MATRIX_IO_DELAY
# define MATRIX_IO_DELAY 30
#endif
/* matrix state(1:on, 0:off) */
matrix_row_t raw_matrix[MATRIX_ROWS];
matrix_row_t matrix[MATRIX_ROWS];
#ifdef SPLIT_KEYBOARD
// row offsets for each hand
uint8_t thisHand, thatHand;
#endif
#ifdef MATRIX_MASKED
extern const matrix_row_t matrix_mask[];
#endif
// 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) {}
// helper functions
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
}
#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))
#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))
#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))
#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");
}
}
#ifdef SPLIT_KEYBOARD
bool matrix_post_scan(void) {
bool changed = false;
if (is_keyboard_master()) {
static bool last_connected = false;
matrix_row_t slave_matrix[ROWS_PER_HAND] = {0};
if (transport_master_if_connected(matrix + thisHand, slave_matrix)) {
changed = memcmp(matrix + thatHand, slave_matrix, sizeof(slave_matrix)) != 0;
last_connected = true;
} else if (last_connected) {
// reset other half when disconnected
memset(slave_matrix, 0, sizeof(slave_matrix));
changed = true;
last_connected = false;
}
if (changed) memcpy(matrix + thatHand, slave_matrix, sizeof(slave_matrix));
matrix_scan_kb();
} else {
transport_slave(matrix + thatHand, matrix + thisHand);
matrix_slave_scan_kb();
}
return changed;
}
#endif
/* `matrix_io_delay ()` exists for backwards compatibility. From now on, use matrix_output_unselect_delay(). */
__attribute__((weak)) void matrix_io_delay(void) {
wait_us(MATRIX_IO_DELAY);
}
__attribute__((weak)) void matrix_output_select_delay(void) {
waitInputPinDelay();
}
__attribute__((weak)) void matrix_output_unselect_delay(uint8_t line, bool key_pressed) {
matrix_io_delay();
}
// CUSTOM MATRIX 'LITE'
__attribute__((weak)) void matrix_init_custom(void) {}
__attribute__((weak)) bool matrix_scan_custom(matrix_row_t current_matrix[]) {
return true;
}
#ifdef SPLIT_KEYBOARD
__attribute__((weak)) void matrix_slave_scan_kb(void) {
matrix_slave_scan_user();
}
__attribute__((weak)) void matrix_slave_scan_user(void) {}
#endif
__attribute__((weak)) void matrix_init(void) {
#ifdef SPLIT_KEYBOARD
thisHand = isLeftHand ? 0 : (ROWS_PER_HAND);
thatHand = ROWS_PER_HAND - thisHand;
#endif
matrix_init_custom();
// 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_kb();
}
__attribute__((weak)) uint8_t matrix_scan(void) {
bool changed = matrix_scan_custom(raw_matrix);
#ifdef SPLIT_KEYBOARD
changed = debounce(raw_matrix, matrix + thisHand, ROWS_PER_HAND, changed) | matrix_post_scan();
#else
changed = debounce(raw_matrix, matrix, ROWS_PER_HAND, changed);
matrix_scan_kb();
#endif
return changed;
}
__attribute__((weak)) bool peek_matrix(uint8_t row_index, uint8_t col_index, bool raw) {
return 0 != ((raw ? raw_matrix[row_index] : matrix[row_index]) & (MATRIX_ROW_SHIFTER << col_index));
}
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