Qt can message. A one second timeout is used to be able to detect thread shutdown request. A controller area network can is a vehicle bus standard designed to allow microcontrollers and devices to communicate with each other in applications without a host computer. Two apis for using qmessagebox are provided the property based api and the static functions.
In qt we have an alternative to the callback technique. Overview it is a message based protocol designed originally for multiplex electrical wiring within automobiles but is also used in many other contexts. Can interfaces act like regular network interfaces on linux systems and can be discovered using ifconfig.
Also the availabledevices method returns a list of currently available devices. A message box can also display an icon and standard buttons for accepting a user response. We use signals and slots.
Where can0 is the active can interface name. It also stated that if object that owns slot lives in a thread different from object that owns signal emitting such signal will be like posting message signal emit will return instantly and slot method will be called in target threads event loop. Submitted by jochen wendebaum on fri 2015 01 16 1439.
The device is now open for writing and reading can frames. A slot is a function that is called in response to a particular signal. Calling one of the static functions is the simpler approach but it is less flexible than using the property based api and the result is less informative.
A signal is emitted when a particular event occurs.
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