/* get all connected columns for one active row */
inline static uint8_t matrix_get_active_columns_by_column(int column)
{
uint8_t activerows = 0;
uint8_t activecolumns = 0;
matrix_activate_column(column, &activerows, &activecolumns);
return activecolumns;
}
/* get all connected columns for one active row */
inline static BYTE matrix_get_active_columns_by_column(int column)
{
BYTE activerows = 0;
BYTE activecolumns = 0;
matrix_activate_column(column, &activerows, &activecolumns);
return activecolumns;
}
static void matrix_activate_row(int row, BYTE *activerows, BYTE *activecolumns)
{
BYTE msk;
int m, i;
if ((1 << row) & ~(*activerows)) {
*activerows |= (1 << row);
msk = keyarr[row];
/* loop over columns */
for (m = 0x1, i = 0; i < 8; m <<= 1, i++) {
/* activate each column connected to the given row */
if ((msk & m) & ~(*activecolumns)) {
matrix_activate_column(i, activerows, activecolumns);
}
}
}
}
