如何讀取引腳狀態,將它們放在一個位掩碼中並將其打印到串行? [英]how to read pins states, put them in a bitmask together and print it to the serial?
如何使我的 makefile 以我需要的方式將我的項目組合在一起? [英]How can I make my makefile put my project together the way I need it?