我需要为秤实现一个 OPOS 服务对象，如果可能的话，特别是一个 USB 秤。我已阅读并检查了Monroe Consulting Services关于 OPOS 的所有文档和资源，但没有找到任何链接到 USB 设备的资源。我想知道是否有人为 USB 设备实现了 OPOS 服务对象。提前致谢。
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I have implemented a few OPOS Service Objects that communicate over a USB Interface; some require hardware convertors (such as a RJ12 -> USB-B) and others can operate under a VCP (Virtual COM PORT).
Curtiss Monroe does provide a CCO (Common Control Object) for an OPOS Scale, so it is definately possible to implement an SO. Also.. what is the manufacturer and model number / hardware ID of the specific device?
Most retailers / hardware vendors provide the specific OPOS Service Objects for you so you may not even need to explicity create one yourself. If you are confident that you do indeed need to create an SO, it's important to consider if the application will use POS For .NET Service Objects or Legacy (UPOS) Service Objects.
Hope this information was useful. A.
于 2014-12-04T14:06:19.337 回答