请教：在quartus ii编译的时候Warning (12251)
时间：10-02
整理：3721RD
点击：
Warning (12251): System: "No matching role found for myuart:s1:dataavailable (dataavailable)"
Warning (12251): System: "No matching role found for myuart:s1:readyfordata (readyfordata)"
Warning (12251): System: "No matching role found for myuart:s1:readyfordata (readyfordata)"
dataavailable变量定义了，但是没有使用
好的，谢谢~