device

问题 I have a USB RFID device that appears on /dev/hidraw for my serial devices they appear on /dev/ttyUSB* i used pyserial and it works like charm but for this one i couldn't read from it using cat /dev/hidraw0 need root privileges plus i need to read one line and not keep on listening I used evdev library but my device doesn't appear at all : import evdev devices = [evdev.InputDevice(fn) for fn in evdev.list_devices()] for device in devices: print(device.fn, device.name, device.phys) So is there

问题 I used SetupDiGetClassDevs() , SetupDiEnumDeviceInfo() and SetupDiGetDeviceRegistryProperty() to enumerate my USB device and check whether my device is available or not. How can I check whether my proper driver is installed for my device or not? Is there any APIs available to check this? 回答1: You can get the driver information for the device and then check against that, if your driver is installed and up-to-data. Here is a bit of C++ code which might help you: bool fetchDriverDescription(

问题 I used SetupDiGetClassDevs() , SetupDiEnumDeviceInfo() and SetupDiGetDeviceRegistryProperty() to enumerate my USB device and check whether my device is available or not. How can I check whether my proper driver is installed for my device or not? Is there any APIs available to check this? 回答1: You can get the driver information for the device and then check against that, if your driver is installed and up-to-data. Here is a bit of C++ code which might help you: bool fetchDriverDescription(

问题 I have a problem for using password reset function of this gem. https://github.com/lynndylanhurley/devise_token_auth This is from the document. /password/edit GET "Verify user by password reset token. This route is the destination URL for password reset confirmation. This route must contain reset_password_token and redirect_url params. These values will be set automatically by the confirmation email that is generated by the password reset request." When users forget theirs passwords, they can

问题 I have a problem for using password reset function of this gem. https://github.com/lynndylanhurley/devise_token_auth This is from the document. /password/edit GET "Verify user by password reset token. This route is the destination URL for password reset confirmation. This route must contain reset_password_token and redirect_url params. These values will be set automatically by the confirmation email that is generated by the password reset request." When users forget theirs passwords, they can

问题 I'm trying to use the giveio.sys driver which requires a "file" to be opened before you can access protected memory. I'm looking at a C example from WinAVR/AVRdude that uses the syntax: #define DRIVERNAME "\\\\.\\giveio" HANDLE h = CreateFile(DRIVERNAME, GENERIC_READ, 0, NULL, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, NULL); but this does not seem to work in Python - I just get a "The specified path is invalid" error, for both f = os.open("\\\\.\\giveio", os.O_RDONLY) and f = os.open("//./giveio"

问题 I got this error while using windows command prompt to connect a android virtual device to visual studio code. However opens the android virtual device but still says no connected devices when run the flutter doctor command. please help to use a android virtual device for visual studio code. 回答1: This error occur because there is a query for file in C:\qemu.conf path. If you create a blank file the warning Failed to open /qemu.conf, err: 2 will desapear. But in my tests, I needed to run as an

来源： https://stackoverflow.com/questions/12262076/xcode-not-detecting-my-device

来源： https://stackoverflow.com/questions/62147670/processing-cube-error-a-device-attached-to-the-system-is-not-functioning

来源： https://stackoverflow.com/questions/62147670/processing-cube-error-a-device-attached-to-the-system-is-not-functioning