Re: resetting a usb com port?

Greg Troxel wrote:
> [email protected] (MLH) writes:
> 
> >> Did you try plugging the cable into a different port?
> >
> > No response when I tried to plug it into another usb port, however, plugging
> > a hub in worked:
> >
> > [ 730330.9162374] uhub4 at uhub1 port 10: GenesysLogic (0x05e3) USB2.1 Hub (0x0610), class 9/0, rev 2.10/6.56, addr 7
> > [ 730330.9162374] uhub4: single transaction translator
> > [ 730331.6662392] uhub5 at uhub4 port 4: GenesysLogic (0x05e3) USB2.1 Hub (0x0610), class 9/0, rev 2.10/6.56, addr 8
> > [ 730331.6662392] uhub5: single transaction translator
> > [ 730472.0466106] uchcom0 at uhub4 port 1
> > [ 730472.0466106] uchcom0: QinHeng Electronics (0x1a86) USB Serial (0x7523), rev 1.10/2.64, addr 10
> 
> That's port 10, not port 9.  Did you try to plug the hub into the same
> port?  Or was it really the same port?

Not sure. There are two usb ports together. The esp32 didn't work
on either of them at that time. I will try both later. Setting up
to program several esp32s asap.