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-rw-r--r--quantum/matrix.c277
1 files changed, 211 insertions, 66 deletions
diff --git a/quantum/matrix.c b/quantum/matrix.c
index 34d6af2e6d..33586c431b 100644
--- a/quantum/matrix.c
+++ b/quantum/matrix.c
@@ -16,22 +16,65 @@ along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include <stdint.h>
#include <stdbool.h>
+#include <string.h>
#include "util.h"
#include "matrix.h"
#include "debounce.h"
#include "quantum.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
+
+#ifdef DIRECT_PINS_RIGHT
+# define SPLIT_MUTABLE
+#else
+# define SPLIT_MUTABLE const
+#endif
+#ifdef MATRIX_ROW_PINS_RIGHT
+# define SPLIT_MUTABLE_ROW
+#else
+# define SPLIT_MUTABLE_ROW const
+#endif
+#ifdef MATRIX_COL_PINS_RIGHT
+# define SPLIT_MUTABLE_COL
+#else
+# define SPLIT_MUTABLE_COL const
+#endif
#ifdef DIRECT_PINS
-static pin_t direct_pins[MATRIX_ROWS][MATRIX_COLS] = DIRECT_PINS;
+static SPLIT_MUTABLE pin_t direct_pins[MATRIX_ROWS][MATRIX_COLS] = DIRECT_PINS;
#elif (DIODE_DIRECTION == ROW2COL) || (DIODE_DIRECTION == COL2ROW)
-static const pin_t row_pins[MATRIX_ROWS] = MATRIX_ROW_PINS;
-static const pin_t col_pins[MATRIX_COLS] = MATRIX_COL_PINS;
+# ifdef MATRIX_ROW_PINS
+static SPLIT_MUTABLE_ROW pin_t row_pins[MATRIX_ROWS] = MATRIX_ROW_PINS;
+# endif // MATRIX_ROW_PINS
+# ifdef MATRIX_COL_PINS
+static SPLIT_MUTABLE_COL pin_t col_pins[MATRIX_COLS] = MATRIX_COL_PINS;
+# endif // MATRIX_COL_PINS
#endif
/* matrix state(1:on, 0:off) */
extern matrix_row_t raw_matrix[MATRIX_ROWS]; // raw values
extern matrix_row_t matrix[MATRIX_ROWS]; // debounced values
+#ifdef SPLIT_KEYBOARD
+// row offsets for each hand
+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);
+#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 {
setPinOutput(pin);
@@ -43,11 +86,19 @@ static inline void setPinInputHigh_atomic(pin_t pin) {
ATOMIC_BLOCK_FORCEON { setPinInputHigh(pin); }
}
+static inline uint8_t readMatrixPin(pin_t pin) {
+ if (pin != NO_PIN) {
+ return readPin(pin);
+ } else {
+ return 1;
+ }
+}
+
// matrix code
#ifdef DIRECT_PINS
-static void init_pins(void) {
+__attribute__((weak)) void matrix_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];
@@ -58,7 +109,7 @@ static void init_pins(void) {
}
}
-static bool read_cols_on_row(matrix_row_t current_matrix[], uint8_t current_row) {
+__attribute__((weak)) void matrix_read_cols_on_row(matrix_row_t current_matrix[], uint8_t current_row) {
// Start with a clear matrix row
matrix_row_t current_row_value = 0;
@@ -69,46 +120,57 @@ static bool read_cols_on_row(matrix_row_t current_matrix[], uint8_t current_row)
}
}
- // If the row has changed, store the row and return the changed flag.
- if (current_matrix[current_row] != current_row_value) {
- current_matrix[current_row] = current_row_value;
- return true;
- }
- return false;
+ // Update the matrix
+ current_matrix[current_row] = current_row_value;
}
#elif defined(DIODE_DIRECTION)
-# if (DIODE_DIRECTION == COL2ROW)
+# if defined(MATRIX_ROW_PINS) && defined(MATRIX_COL_PINS)
+# if (DIODE_DIRECTION == COL2ROW)
-static void select_row(uint8_t row) { setPinOutput_writeLow(row_pins[row]); }
+static bool select_row(uint8_t row) {
+ pin_t pin = row_pins[row];
+ if (pin != NO_PIN) {
+ setPinOutput_writeLow(pin);
+ return true;
+ }
+ return false;
+}
-static void unselect_row(uint8_t row) { setPinInputHigh_atomic(row_pins[row]); }
+static void unselect_row(uint8_t row) {
+ pin_t pin = row_pins[row];
+ if (pin != NO_PIN) {
+ setPinInputHigh_atomic(pin);
+ }
+}
static void unselect_rows(void) {
- for (uint8_t x = 0; x < MATRIX_ROWS; x++) {
- setPinInputHigh_atomic(row_pins[x]);
+ for (uint8_t x = 0; x < ROWS_PER_HAND; x++) {
+ unselect_row(x);
}
}
-static void init_pins(void) {
+__attribute__((weak)) void matrix_init_pins(void) {
unselect_rows();
for (uint8_t x = 0; x < MATRIX_COLS; x++) {
- setPinInputHigh_atomic(col_pins[x]);
+ if (col_pins[x] != NO_PIN) {
+ setPinInputHigh_atomic(col_pins[x]);
+ }
}
}
-static bool read_cols_on_row(matrix_row_t current_matrix[], uint8_t current_row) {
+__attribute__((weak)) void matrix_read_cols_on_row(matrix_row_t current_matrix[], uint8_t current_row) {
// Start with a clear matrix row
matrix_row_t current_row_value = 0;
- // Select row
- select_row(current_row);
+ if (!select_row(current_row)) { // Select row
+ return; // skip NO_PIN row
+ }
matrix_output_select_delay();
// For each col...
for (uint8_t col_index = 0; col_index < MATRIX_COLS; col_index++) {
- // Select the col pin to read (active low)
- uint8_t pin_state = readPin(col_pins[col_index]);
+ uint8_t pin_state = readMatrixPin(col_pins[col_index]);
// Populate the matrix row with the state of the col pin
current_row_value |= pin_state ? 0 : (MATRIX_ROW_SHIFTER << col_index);
@@ -116,81 +178,114 @@ static bool read_cols_on_row(matrix_row_t current_matrix[], uint8_t current_row)
// Unselect row
unselect_row(current_row);
- matrix_output_unselect_delay(); // wait for all Col signals to go HIGH
+ matrix_output_unselect_delay(current_row, current_row_value != 0); // wait for all Col signals to go HIGH
- // If the row has changed, store the row and return the changed flag.
- if (current_matrix[current_row] != current_row_value) {
- current_matrix[current_row] = current_row_value;
+ // Update the matrix
+ current_matrix[current_row] = current_row_value;
+}
+
+# elif (DIODE_DIRECTION == ROW2COL)
+
+static bool select_col(uint8_t col) {
+ pin_t pin = col_pins[col];
+ if (pin != NO_PIN) {
+ setPinOutput_writeLow(pin);
return true;
}
return false;
}
-# elif (DIODE_DIRECTION == ROW2COL)
-
-static void select_col(uint8_t col) { setPinOutput_writeLow(col_pins[col]); }
-
-static void unselect_col(uint8_t col) { setPinInputHigh_atomic(col_pins[col]); }
+static void unselect_col(uint8_t col) {
+ pin_t pin = col_pins[col];
+ if (pin != NO_PIN) {
+ setPinInputHigh_atomic(pin);
+ }
+}
static void unselect_cols(void) {
for (uint8_t x = 0; x < MATRIX_COLS; x++) {
- setPinInputHigh_atomic(col_pins[x]);
+ unselect_col(x);
}
}
-static void init_pins(void) {
+__attribute__((weak)) void matrix_init_pins(void) {
unselect_cols();
- for (uint8_t x = 0; x < MATRIX_ROWS; x++) {
- setPinInputHigh_atomic(row_pins[x]);
+ for (uint8_t x = 0; x < ROWS_PER_HAND; x++) {
+ if (row_pins[x] != NO_PIN) {
+ setPinInputHigh_atomic(row_pins[x]);
+ }
}
}
-static bool read_rows_on_col(matrix_row_t current_matrix[], uint8_t current_col) {
- bool matrix_changed = false;
+__attribute__((weak)) void matrix_read_rows_on_col(matrix_row_t current_matrix[], uint8_t current_col) {
+ bool key_pressed = false;
// Select col
- select_col(current_col);
+ if (!select_col(current_col)) { // select col
+ return; // skip NO_PIN col
+ }
matrix_output_select_delay();
// 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];
- matrix_row_t current_row_value = last_row_value;
-
+ for (uint8_t row_index = 0; row_index < ROWS_PER_HAND; row_index++) {
// Check row pin state
- if (readPin(row_pins[row_index]) == 0) {
+ if (readMatrixPin(row_pins[row_index]) == 0) {
// Pin LO, set col bit
- current_row_value |= (MATRIX_ROW_SHIFTER << current_col);
+ current_matrix[row_index] |= (MATRIX_ROW_SHIFTER << current_col);
+ key_pressed = true;
} else {
// Pin HI, clear col bit
- current_row_value &= ~(MATRIX_ROW_SHIFTER << current_col);
- }
-
- // Determine if the matrix changed state
- if ((last_row_value != current_row_value)) {
- matrix_changed |= true;
- current_matrix[row_index] = current_row_value;
+ current_matrix[row_index] &= ~(MATRIX_ROW_SHIFTER << current_col);
}
}
// Unselect col
unselect_col(current_col);
- matrix_output_unselect_delay(); // wait for all Row signals to go HIGH
-
- return matrix_changed;
+ matrix_output_unselect_delay(current_col, key_pressed); // wait for all Row signals to go HIGH
}
-# else
-# error DIODE_DIRECTION must be one of COL2ROW or ROW2COL!
-# endif
+# else
+# error DIODE_DIRECTION must be one of COL2ROW or ROW2COL!
+# endif
+# endif // defined(MATRIX_ROW_PINS) && defined(MATRIX_COL_PINS)
#else
# error DIODE_DIRECTION is not defined!
#endif
void matrix_init(void) {
+#ifdef SPLIT_KEYBOARD
+ split_pre_init();
+
+ // Set pinout for right half if pinout for that half is defined
+ if (!isLeftHand) {
+# ifdef DIRECT_PINS_RIGHT
+ const pin_t direct_pins_right[MATRIX_ROWS][MATRIX_COLS] = DIRECT_PINS_RIGHT;
+ for (uint8_t i = 0; i < MATRIX_ROWS; i++) {
+ for (uint8_t j = 0; j < MATRIX_COLS; j++) {
+ direct_pins[i][j] = direct_pins_right[i][j];
+ }
+ }
+# endif
+# ifdef MATRIX_ROW_PINS_RIGHT
+ const pin_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 pin_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;
+#endif
+
// initialize key pins
- init_pins();
+ matrix_init_pins();
// initialize matrix state: all keys off
for (uint8_t i = 0; i < MATRIX_ROWS; i++) {
@@ -198,28 +293,78 @@ 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
}
-uint8_t matrix_scan(void) {
+#ifdef SPLIT_KEYBOARD
+// Fallback implementation for keyboards not using the standard split_util.c
+__attribute__((weak)) bool transport_master_if_connected(matrix_row_t master_matrix[], matrix_row_t slave_matrix[]) {
+ 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()) {
+ 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
+
+uint8_t matrix_scan(void) {
+ matrix_row_t curr_matrix[MATRIX_ROWS] = {0};
#if defined(DIRECT_PINS) || (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);
+ for (uint8_t current_row = 0; current_row < ROWS_PER_HAND; current_row++) {
+ matrix_read_cols_on_row(curr_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);
+ matrix_read_rows_on_col(curr_matrix, current_col);
}
#endif
- debounce(raw_matrix, matrix, MATRIX_ROWS, changed);
+ bool changed = memcmp(raw_matrix, curr_matrix, sizeof(curr_matrix)) != 0;
+ if (changed) memcpy(raw_matrix, curr_matrix, sizeof(curr_matrix));
+#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 (uint8_t)changed;
}