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-rw-r--r--keyboards/crkbd/rev1/legacy/matrix.c18
-rw-r--r--keyboards/crkbd/rev1/legacy/split_util.h2
2 files changed, 12 insertions, 8 deletions
diff --git a/keyboards/crkbd/rev1/legacy/matrix.c b/keyboards/crkbd/rev1/legacy/matrix.c
index 46dead369f..8eb028137b 100644
--- a/keyboards/crkbd/rev1/legacy/matrix.c
+++ b/keyboards/crkbd/rev1/legacy/matrix.c
@@ -155,6 +155,7 @@ void matrix_init(void)
uint8_t _matrix_scan(void)
{
+ bool changed = false;
// Right hand is stored after the left in the matirx so, we need to offset it
int offset = isLeftHand ? 0 : (ROWS_PER_HAND);
@@ -163,6 +164,7 @@ uint8_t _matrix_scan(void)
_delay_us(30); // without this wait read unstable value.
matrix_row_t cols = read_cols();
if (matrix_debouncing[i+offset] != cols) {
+ changed = true;
matrix_debouncing[i+offset] = cols;
debouncing = DEBOUNCE;
}
@@ -179,7 +181,7 @@ uint8_t _matrix_scan(void)
}
}
- return 1;
+ return changed;
}
#ifdef USE_MATRIX_I2C
@@ -237,16 +239,17 @@ int serial_transaction(int master_changed) {
uint8_t matrix_scan(void)
{
+ bool changed = false;
if (is_master) {
- matrix_master_scan();
+ changed |= matrix_master_scan();
}else{
- matrix_slave_scan();
+ changed |= matrix_slave_scan();
int offset = (isLeftHand) ? ROWS_PER_HAND : 0;
memcpy(&matrix[offset],
(void *)serial_master_buffer, SERIAL_MASTER_BUFFER_LENGTH);
matrix_scan_quantum();
}
- return 1;
+ return (uint8_t) changed;
}
@@ -297,8 +300,8 @@ uint8_t matrix_master_scan(void) {
return ret;
}
-void matrix_slave_scan(void) {
- _matrix_scan();
+uint8_t matrix_slave_scan(void) {
+ int ret = _matrix_scan();
int offset = (isLeftHand) ? 0 : ROWS_PER_HAND;
@@ -314,7 +317,7 @@ void matrix_slave_scan(void) {
for (int i = 0; i < ROWS_PER_HAND; ++i) {
#ifdef SERIAL_USE_MULTI_TRANSACTION
if( serial_slave_buffer[i] != matrix[offset+i] )
- change = 1;
+ change = 1;
#endif
serial_slave_buffer[i] = matrix[offset+i];
}
@@ -322,6 +325,7 @@ void matrix_slave_scan(void) {
slave_buffer_change_count += change;
#endif
#endif
+ return ret;
}
bool matrix_is_modified(void)
diff --git a/keyboards/crkbd/rev1/legacy/split_util.h b/keyboards/crkbd/rev1/legacy/split_util.h
index 414763bff2..b2ddc1f97a 100644
--- a/keyboards/crkbd/rev1/legacy/split_util.h
+++ b/keyboards/crkbd/rev1/legacy/split_util.h
@@ -27,7 +27,7 @@ along with this program. If not, see <http://www.gnu.org/licenses/>.
extern volatile bool isLeftHand;
// slave version of matix scan, defined in matrix.c
-void matrix_slave_scan(void);
+uint8_t matrix_slave_scan(void);
void split_keyboard_setup(void);
bool has_usb(void);