Without a hub, you can only have one device one each end of a USB cable. Reverting to the dwc driver forces the zero into host mode.Ĭonnecting the ZERO4U via the pogo pins/test points and plugging something into the zero's micro USB port is the same as using a Y cable to connect two devices to a single USB port. I haven‘t installed anything else but the updates which were provided after the fresh install. Sometimes my TV has still a signal and the pucture is just blank, more often though the TV will just say it has no signal. ZERO4U appears to have no way to pull the ID pin of the USB port low to indicate to the zero it should act as a host so with dwc2 enabled and no otg cable connected to the zero it will always come up as a slave and the ZERO4U will not be recognised. Though when the pi is idle for 10-20 minutes the screen goes just blank (connected via hdmi 0 on using 1920x108060hz). If you've connecting the ZERO4U via the pogo pins, it could be behaving oddly. If you must use a ZERO4U get a couple of cheap USB to ethernet dongles and use those to connect to the PC. If dwc2 is loaded and in dual role mode it can hot swap but be aware that using a USB hub in this configuration will kill performance on the zero. ethernet gadget) or host mode (ZERO4U) at a time.
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