Hi,
do you know if there's a minimum timeout (delay) between disconnecting and reconnecting an usb device? I'm running an application (ARM7 controller LPC1758 with an USB CDC Device) and I transmit some bytes to the controller by the cdc interface, to restart the controller. Before the controller will do the restart I've enough time to close the virtual com port connection by my windows application.
After the restart (which takes less than two seconds) I'm not able to open the cdc interface again. Windows device manager will show that everything is configurated as expected. I'll see my specific name for the com port device. Using hyperterminal for example, I don't see the com port.
When I wait round about 10sec before restarting the device again, I'm able to open the com port again. It seems to me that there's maybe a minimum timeout I've to recognize between disconnecting and reconnecting an usb device. Do you know the minimum value of such a delay?
best regards Lars