PR description

[
1.原有inputcapture中断回调里面用到了ops成员,注册函数中却不支持ops的注册。
2.原有inputcapture不支持多通道,实际情况是一个定时器往往有多个捕获通道。
3.注册函数中添加ops注册,用于支持通道开/关等设置。
4.inputcapture使用正负值来表示高低点位,添加通道标识成员指示数据来源那个通道。
]

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