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Fix ghost block and remove matrix_has_ghost()

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This commit is contained in:
tmk 2013-03-05 19:18:01 +09:00
parent 38bbe976e0
commit 9e9a85c142
4 changed files with 27 additions and 16 deletions
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25
common/keyboard.c
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@ -34,6 +34,24 @@ along with this program. If not, see <http://www.gnu.org/licenses/>.
#endif
#ifdef MATRIX_HAS_GHOST
static bool has_ghost_in_row(uint8_t row)
{
matrix_row_t matrix_row = matrix_get_row(row);
// No ghost exists when less than 2 keys are down on the row
if (((matrix_row - 1) & matrix_row) == 0)
return false;
// Ghost occurs when the row shares column line with other row
for (uint8_t i=0; i < MATRIX_ROWS; i++) {
if (i != row && (matrix_get_row(i) & matrix_row))
return true;
}
return false;
}
#endif
void keyboard_init(void)
{
// TODO: configuration of sendchar impl
@ -81,7 +99,12 @@ void keyboard_task(void)
matrix_change = matrix_row ^ matrix_prev[r];
if (matrix_change) {
if (debug_matrix) matrix_print();
#ifdef MATRIX_HAS_GHOST
if (has_ghost_in_row(r)) {
matrix_prev[r] = matrix_row;
continue;
}
#endif
for (uint8_t c = 0; c < MATRIX_COLS; c++) {
if (matrix_change & ((matrix_row_t)1<<c)) {
action_exec((keyevent_t){