stc_port_init_t stcPortInit;
MEM_ZERO_STRUCT(stcPortInit);
stcPortInit.enPinMode = Pin_Mode_In;
stcPortInit.enExInt = Disable;
stcPortInit.enPullUp = Disable;
PORT_Init(Target_PORT, Target_PIN, &stcPortInit); //高阻态参考这个手法.
另外华大F460的库函数样例参考这个链接:https://www.hdsc.com.cn/Category83-1483。下载最新的hc32f460_ddl_Rev2.0.0@从此不早朝
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