usb composite device

by Fanxiushu 2016 05-15 reprint or quote this article, please indicate the original author.People who have used VMware should know that VMware virtual machines have such a feature,When a USB device is plugged into the host, the USB device can be accessed in VMware's virtual machine system via setup.and accessing this

AT91 USB Composite Driver Implementation1. Introduction The USB Composite device is a general-to-integrate, or more functions-to-one single Device.It is defined in the USB Specification Revision 2.0, as "A

1, after the system plugged into the USB device, from the console interface has the following prompt:From the console information, you can see the inserted USB device name.As you can see, the plugged-in USB device is sde4.However,

After sorting and digesting the device model, you have the foundation to compile a device driver program. You need to be familiar with the driver of the USB device because of the working relationship. Therefore, select the driver of the USB

If I can't accompany you to the end Do you regret that we were holding hands If I hadn't met you Now, I Where to stay All love is an adventure. That would be willingly. Waiting for all the suspense in our lives My passionately devoted lover. She's my lover. The love she gave me was like The morning with the dew How I want to give her my true My dearly Beloved. I want to be lonely for her Like the night is deep This chapte

During the project development, we need a USB-to-relay device to control the wireless transmitter device when the switch is enabled. When purchasing the device, the sourcing department buys a batch of devices without knowing the operating environment of the relay device, lat

Linux-USB Gadget OverviewThe Linux-USB Gadget driver framework (hereinafter referred to as gadget) provides software functions for devices defined by the USB protocol.Compared with the Linux USB host driver, the gadget driver appears later than 2.4.23.The Gadget Framework proposes a set of standard APIs, which are driv

VMware prompt: Host USB device connections disabled-(the USB device connection is disabled on the VMware Host) VMware Workstation prompts host USB device connection disabled. As shown in the figure, the VMware

In the previous article, we have given the link address of the USB protocol, from this article, we will involve a lot of USB 1.1 content, our guiding ideology is to start with the familiar USB 1.1 protocol, first use off-the-shelf HCD and USBD, directly face the client driver programming, see the results as soon as possible, So that readers have confidence in the

The USB host will enumerate the devices after it detects that the USB device is plugged in. Why enumerate? Enumeration is to read the various descriptor information from the device, so that the host can load the appropriate driver according to this information, so as to know the de