-PS2_USE_USART = yes # uses hardware USART engine for PS/2 signal receive(recomened)
-#PS2_USE_INT = yes # uses external interrupt for falling edge of PS/2 clock pin
+#PS2_USE_USART = yes # uses hardware USART engine for PS/2 signal receive(recomened)
+PS2_USE_INT = yes # uses external interrupt for falling edge of PS/2 clock pin