| 摘要 |
A bus connection device, in the form of a hardware dongle, can be connected to a first electronic device, in the form of a USB peripheral device, and a second electronic device can be connected thereto. The dongle can determine whether the second connected device is a USB host device or a USB peripheral device and, if the second electronic device is a USB host device, it is connected directly to the first electronic device. If the second electronic device is a USB peripheral device, the bus connection device operates to allow the first electronic device to operate as a host device. When the bus connection device is operating to allow the first electronic device to act as a USB host device, it regularly sends tokens to the first electronic device and to the second electronic device, to which the first electronic device can respond by transmitting data intended for the second electronic device, and to which the second electronic device can respond by transmitting data intended for the first electronic device.
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