6 年前 · dc0e244fc8
--- a/keyboard/4x4/matrix.c
+++ b/keyboard/4x4/matrix.c
@@ -56,6 +56,10 @@ uint8_t matrix_cols(void)

 void matrix_init(void)
 {
 // To use PORTF disable JTAG with writing JTD bit twice within four cycles.
 MCUCR |= (1<<JTD);
 MCUCR |= (1<<JTD);
 
 // initialize row and col
 unselect_rows();
 init_cols();