viphotman 发表于 2018-6-6 17:21
追踪到函数声明处看有说明没有
Parameters:
index - Identifier for the device instance to be configured
channel - Identifier for the PORT channel: A, B, C, etc.
value - Consists of information about which port bit has to be set
mask - Identifies the bits which could be intended for setting
这是 定义参数的 描述