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Custom matrix lite support for split keyboards (#14674) 

* Custom matrix lite support for split keyboards

* WIP: matrix -> matrix_common refactor

* Move matrix_post_scan() to matrix_common.c
This commit is contained in:
Jay Greco 2021-12-27 02:03:40 -08:00 committed by GitHub
parent 4519af69a9
commit ac31863021
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GPG Key ID: 4AEE18F83AFDEB23
3 changed files with 72 additions and 39 deletions
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35
quantum/matrix.c
View File

@ -63,17 +63,13 @@ extern matrix_row_t matrix[MATRIX_ROWS]; // debounced values
#ifdef SPLIT_KEYBOARD
// row offsets for each hand
uint8_t thisHand, thatHand;
extern uint8_t thisHand, thatHand;
#endif
// user-defined overridable functions
__attribute__((weak)) void matrix_init_pins(void);
__attribute__((weak)) void matrix_read_cols_on_row(matrix_row_t current_matrix[], uint8_t current_row);
__attribute__((weak)) void matrix_read_rows_on_col(matrix_row_t current_matrix[], uint8_t current_col, matrix_row_t row_shifter);
#ifdef SPLIT_KEYBOARD
__attribute__((weak)) void matrix_slave_scan_kb(void) { matrix_slave_scan_user(); }
__attribute__((weak)) void matrix_slave_scan_user(void) {}
#endif
static inline void setPinOutput_writeLow(pin_t pin) {
ATOMIC_BLOCK_FORCEON {
@ -308,35 +304,6 @@ __attribute__((weak)) bool transport_master_if_connected(matrix_row_t master_mat
transport_master(master_matrix, slave_matrix);
return true; // Treat the transport as always connected
}
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_quantum();
} else {
transport_slave(matrix + thatHand, matrix + thisHand);
matrix_slave_scan_kb();
}
return changed;
}
#endif
uint8_t matrix_scan(void) {

1
quantum/matrix.h
View File

@ -73,6 +73,7 @@ void matrix_init_user(void);
void matrix_scan_user(void);
#ifdef SPLIT_KEYBOARD
bool matrix_post_scan(void);
void matrix_slave_scan_kb(void);
void matrix_slave_scan_user(void);
#endif

75
quantum/matrix_common.c
View File

@ -4,6 +4,14 @@
#include "wait.h"
#include "print.h"
#include "debug.h"
#ifdef SPLIT_KEYBOARD
# include "split_common/split_util.h"
# include "split_common/transactions.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
@ -13,6 +21,11 @@
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
@ -78,18 +91,61 @@ uint8_t matrix_key_count(void) {
return count;
}
#ifdef SPLIT_KEYBOARD
bool matrix_post_scan(void) {
bool changed = false;
if (is_keyboard_master()) {
matrix_row_t slave_matrix[ROWS_PER_HAND] = {0};
if (transport_master_if_connected(matrix + thisHand, slave_matrix)) {
for (int i = 0; i < ROWS_PER_HAND; ++i) {
if (matrix[thatHand + i] != slave_matrix[i]) {
matrix[thatHand + i] = slave_matrix[i];
changed = true;
}
}
} else {
// reset other half if disconnected
for (int i = 0; i < ROWS_PER_HAND; ++i) {
matrix[thatHand + i] = 0;
slave_matrix[i] = 0;
}
changed = true;
}
matrix_scan_quantum();
} 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
split_pre_init();
thisHand = isLeftHand ? 0 : (ROWS_PER_HAND);
thatHand = ROWS_PER_HAND - thisHand;
#endif
matrix_init_custom();
// initialize matrix state: all keys off
@ -98,17 +154,26 @@ __attribute__((weak)) void matrix_init(void) {
matrix[i] = 0;
}
debounce_init(MATRIX_ROWS);
debounce_init(ROWS_PER_HAND);
matrix_init_quantum();
#ifdef SPLIT_KEYBOARD
split_post_init();
#endif
}
__attribute__((weak)) uint8_t matrix_scan(void) {
bool changed = matrix_scan_custom(raw_matrix);
debounce(raw_matrix, matrix, MATRIX_ROWS, changed);
#ifdef SPLIT_KEYBOARD
debounce(raw_matrix, matrix + thisHand, ROWS_PER_HAND, changed);
changed = (changed || matrix_post_scan());
#else
debounce(raw_matrix, matrix, ROWS_PER_HAND, changed);
matrix_scan_quantum();
#endif
return changed;
}