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Questions tagged [peripherals]

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Are all Windows services started before scanning for connected devices?

I am writing a WCF service hosted by a Windows service that is responsible for detecting USB devices being connected/disconnected. Now, in order for this to work I need to understand the Windows boot sequence. Will Windows always start all its…
toughQuestions
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How are USB peripherals' bIntervals enforced?

I have a FullSpeed USB Device that sends a Report Descriptor, whose relevant Endpoint Descriptor declares a bInterval of 8, meaning 8ms. The following report extract is obtained from a USB Descriptor Dumper when the device's driver is…
Julien BERNARD
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Access SPI by PeripheralManagerService on Hikey

I am trying to send data to a device which is connected to SPI of hikey960 platform. Hikey is running on normal mobile Android. Is it possible to run androidthings api on development platform like Hikey ? PeripheralManagerService manager = new…
Rilwan
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Not getting rssi after connecting to a ble peripheral simulated on an android device

I have two android devices: Device A and Device B. I am running a BLE Peripheral Simulator on device A. I am running the Device B in BLE Central mode. I also have a BLE Beacon. With Device B I can connect to the ble beacon and request for rssi…
Rakshit Tanti
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Calling a method when user leaves view controller inside container View

I am attempting to disconnect from a peripheral when ever a user leaves the current view controller. This would normally be easy by using prepare for segue in the following fashion: override func prepare(for segue: UIStoryboardSegue, sender:…
lawndogg
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ARM M3: Using 'extra' space in GPIO peripheral memory map? Can you do this?

I'm trying to understand someones code and they are reading a memory space in the GPIO region (0x4002 0000 - 0x4002 03FF), but it's a higher address than the GPIO registers (they only go to 0x24). Can you use all the extra space above 0x4002 0024…
eibwen
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Is there a way to uniquely identify a specific usb port on a host device?

This question may be very broad but I'm trying to keep it platform agnostic. If I connect a device to a USB port on a computer, is there a way for that device to uniquely identify the port it's connected to? e.g. I have a PC with 10 USB ports. I…
Octowl
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Trace peripheral interactions of an application running on Linux os

Is there a mechanism to log the peripheral interactions. E.x. If there is an application running on Linux Kernel and it interacts with the physical world over UART, CAN or any other interface. In this context is there some command or tool that can…
Ginu Jacob
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Is it possible to interact with an arbitrary client peripheral from a webapp?

I know a webapp can access media devices like microphones and webcams, and other hardware like a smartphone's GPS. As far as I know, that's done with tightly constrained protocols for each specific type of device. However, I have an advanced…
kdbanman
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Android periipheral mode detection

Can anyone please tel me ,is there any possibility to check in which mode(i.e. central or peripheral mode), the BLE is operating? If so on what basis can we find out. I am using BCM20702. It says it supports both modes. But is there a way in which…
Sathya
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HTML5 and peripherals

I have done a search on this and I think I actually came away more confused. We are looking for a solution where we supply a card swiper for a mobile device. Just a swiper, we do not need a gateway solution. We want to be able to have someone swipe…
Jamie Collingwood
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Static or dynamic width access to computer BUS?

Suppose we have a simple processor, could be an embedded system, with one system bus, for the sake of the argument, a 32bit bus. Now, if we have a couple of Peripherals, one named PER0 for example, attached to the bus, we can do two things: Allow…
Vidak
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How to understand master model command interface state machine?

Can someone explain to me what this master model command interface state machine means? I am trying to add a custiom Ip to my design using Virtex-5 FPGA. I can see this in my USERLOGIC section. I have very little understanding of what this means.
user1107855
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Connecting multiple usb peripherals to a FPGA

I want to connect a USB peripherals to a FPGA. Basically FPGA should act like an USB host. Is there a FPGA board support a USB hub so that one could connect multiple(upto 4) USB peripherals at a time. I have a Digilent Nexys3 fpga which is based on…
user2408329
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How to make iPhone 4s with iOS6 beta a peripheral device?

I want my iPhone 4s act as peripheral device. To do that I have used peripheral manager that included in iOS 6 beta but now my device is not discoverable.
Jayanta Das
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