向附近的蓝牙设备广播消息或文件
我们的一位客户正在参加一个商业展览会，并希望向参观其空间的人们推送某种“欢迎信息”。
我对蓝牙不太熟悉，所以我有几个问题：
- 通过蓝牙可以传输什么样的内容？ （只是文件还是可以发送简单的短信？）
- 是否可以仅将内容推送给一定距离内的收件人？ （即基于信号强度或类似）
- 任何人都可以推荐一款可以执行上述部分或全部操作的软件吗？
如果有必要，我们可以自己编写一个自定义解决方案（.NET），但我确信一定有一个程序可以完成这项工作。
我用谷歌搜索了一下，发现了 32feet.NET 框架 - 有人有经验吗用这个框架？
预先感谢您的任何建议！
A client of ours is attending a business fair and would like to push some sort of "welcome message" to people visiting their space.
I'm not too familiar with Bluetooth, so I have a few questions:
- What kind of content can you transfer via Bluetooth? (Is it files only or is it possible to send a simple text message?)
- Is it possible to push content only to recipients within a certain distance? (ie. based on signal strength or similar)
- Can anybody recommend a piece of software that can do some or all of the above?
If necessary we could program a custom solution ourselves (.NET), but I'm sure there must be a program out there that can do the job.
I've googled a bit and came across the 32feet.NET framework - does anybody have any experience with this framework?
Thanks in advance for any suggestions!
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有一个几乎所有设备（当然不是耳机！）都支持的蓝牙配置文件，称为 OPP，即 Obex 对象推送，它使用 IrDA 定义的 OBEX 协议。它可以承载任何文件类型，但接收设备可能不知道如何处理所有类型...以前，常见的是仅支持 vCard（地址簿、任务/约会等）。
32feet.NET 库直接支持 OBEX 和蓝牙，请参阅 用户指南。还有一个配套库 Brecham.Obex 提供更专业的 OBEX支持。我们支持 PC 上内置的 Microsoft 和 Widcomm 蓝牙堆栈，但尚不支持 BlueSoleil[5]，但安装 MSFT 堆栈很简单。
还有专门为邻近广告设计的产品，请参阅我们论坛中发布的精彩列表：最受欢迎的蓝牙营销软件，例如4
[5]：我用自己的时间完成了添加 Widcomm 支持的重要工作，因为我现在失业了，所以我正在寻找资金来添加对 BlueSoleil 的支持。
There's a Bluetooth profile supported by nearly all devices (well not headphones!) called OPP that's Obex Object Push, which uses the OBEX protocol as defined by the IrDA. It can carry any file type, but the receiving device may not know what to do with all types... Previously only support for vCards was common (address book, tasks/appointments, etc).
The 32feet.NET library includes support for OBEX and Bluetooth directly, see the examples in the user guide. There's also a companion library Brecham.Obex that provides more specialised OBEX support. We support the built-in Microsoft and the Widcomm bluetooth stacks on the PC, but not yet BlueSoleil[5] but installing the MSFT stack is simple.
There are also products specifically designed for proximity advertising, see a great list posted in our forums: Most popular Bluetooth Marketing Softwares and e.g. 4
[5]: I did the big job of adding Widcomm support on my own time, as I'm now out of work I'm looking for funding to add support for BlueSoleil.
您链接的框架应该可以帮助您确定信号强度等。您想要查看的唯一其他部分称为 OBEX FTP，这是您传输文件的方式。
The framework you linked to should help you determine signal strength and such. The only other part you want to look at is called OBEX FTP, which is how you transfer the file.