PEAK-System Forum

Hello,

I'm working with PCAN-UDS and a Peak-USB device. When I connect the device, the channel condition goes from Unavailable to Available. If I disconnect it, it goes back to Unavailable.

However, if I call PCAN_Initialize on the corresponding handle, the condition becomes Occupied. I tried physically disconnecting the device from the computer, the same problem still remains.

Is there anyway to detect when the device is disconnected?
Thanks in advance!

the channel remains occupied because the connection will continue working, when you connect that device again (it is "reserved" for that application). If you want to check if a channel is still physically there, you need to call CAN_GetStatus periodically. If the device is plugged out, then you will get the error PCAN_ERROR_ILLHW (0x1400 - Invalid hardware handle)

BR
Marvin

the channel remains occupied because the connection will continue working, when you connect that device again (it is "reserved" for that application). If you want to check if a channel is still physically there, you need to call CAN_GetStatus periodically. If the device is plugged out, then you will get the error PCAN_ERROR_ILLHW (0x1400 - Invalid hardware handle)

BR
Marvin

Thanks for your answer. I got it.