Wednesday, 2023-02-15

*** tpb <[email protected]> has joined #tomu00:00
robin7gI will try this on a Linux machine with a fresh install of the tools.00:00
robin7g(I am using macos currently and it worked fine last week on this machine with another fomu)00:01
robin7gI am expecting the blue flashing when I plug it in but nothing00:01
robin7gIf I plug it into a Linux box running Ubuntu this is the error message.00:03
robin7gsb 3-4: new full-speed USB device number 10 using xhci_hcd00:04
robin7gusb 3-4: Device not responding to setup address.00:04
robin7gusb 3-4: Device not responding to setup address.00:04
robin7gusb 3-4: device not accepting address 10, error -7100:04
tpb<t​nt> Yeah. either there is a bad contact or the bootloader has been erased.00:04
robin7gusb usb3-port4: unable to enumerate USB device00:04
robin7gHow do I reinstall the boot loader?00:05
tpb<t​nt> There are tiny test points giving access to the spi bus of the flash. Then you need a flash programmer.00:06
robin7gI think the USB contacts are fine as I can see scoring on the pad from inserting and removing it.00:07
robin7gis there a link to the flashing process something. I can create an SPI bus programmer I think.00:07
tpb<t​nt> there is a sw to use a rpi as spi programmer : https://github.com/im-tomu/fomu-flash00:09
tpb<t​nt> https://github.com/im-tomu/fomu-hardware/blob/master/archive/pvt/images/fomu_pvt_test_points.jpg00:09
robin7gOkay so its just a matter of connecting the tiny test pads.. that looks hard. but I don't think AdaFruit will accept a return after all this time and they are out of stock anyway.00:11
robin7gLuckily I have a raspberry pi from before the supply shortage.00:12
robin7gThanks for your help.00:12
robin7gUploaded file: https://files.freenode.net/files/7680415540e6979264906ebc3826463f/image.png00:26
robin7gthese are really small pads but I think I can see the original test pin marks. I wonder what happened.00:27
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