《极海芯得》系列内容为用户使用极海系列产品的经验总结，均转载自21ic论坛极海半导体专区，全文未作任何修改，未经原文作者授权禁止转载。 最近需要使用到APM32F427枚举成Custom HID设备进行用户自定义通信，但我又不想要使用官方的USB中间件去做一个USB Custom ...

The difficulty of writing device drivers is one of the major barriers to the adoption of the USB. A typical embedded-device engineer who can comfortably design embedded systems all day long can get ...

主要介绍下蓝牙协议栈（bluetooth stack）传统蓝牙音频协议之蓝牙人机接口设备协议（HID）概念介绍 HID协议有很多应用，比如蓝牙鼠标，键盘，手柄，自拍杆等都会用到HID协议！ 第一篇:蓝牙综合介绍 ，主要介绍蓝牙的一些概念，产生背景，发展轨迹，市面蓝牙 ...

I am looking to see what’s available as a read-only NFC card reader, that presents itself as a USB HID device? We are only interested in reading the card’s UID as keyboard input. I am looking ...

The Matrix is a USB bill validator, sometimes known as a note reader or bill acceptor, made by Validation Technologies International. The bundled software was developed for Microsoft Windows, but ...

问题是这样的：自定义 hid device 在向主机发送数据，如果主机readfile 读取数据，在bus hound 上会看到bus rset。 不读取数据，或者不发送数据给主机都不会有这个现象。 这个设备是通过中断发送数据的，向键盘一样。按键就向主机发送数据，主机通过异步readfile方式 ...

I'm trying to port a .NET program to mono. I want to stick a small, platform-specific wrapper over the device that returns a FileStream. On Windows, I need to use the native CreateFile function to get ...

Some hacks are implemented well enough that they can imitate involved and bespoke parts with barely any tools. [CodeName X]’s Thinkpad X1 Tablet Keyboard to USB adapter is one such hack – it let’s one ...