{"action":"created","issue":{"url":"https://api.github.com/repos/conorpp/u2f-zero/issues/30","repository_url":"https://api.github.com/repos/conorpp/u2f-zero","labels_url":"https://api.github.com/repos/conorpp/u2f-zero/issues/30/labels{/name}","comments_url":"https://api.github.com/repos/conorpp/u2f-zero/issues/30/comments","events_url":"https://api.github.com/repos/conorpp/u2f-zero/issues/30/events","html_url":"https://github.com/conorpp/u2f-zero/issues/30","id":186298259,"number":30,"title":"Difficulties with HID USB","user":{"login":"saeugetier","id":1408260,"avatar_url":"https://avatars.githubusercontent.com/u/1408260?v=3","gravatar_id":"","url":"https://api.github.com/users/saeugetier","html_url":"https://github.com/saeugetier","followers_url":"https://api.github.com/users/saeugetier/followers","following_url":"https://api.github.com/users/saeugetier/following{/other_user}","gists_url":"https://api.github.com/users/saeugetier/gists{/gist_id}","starred_url":"https://api.github.com/users/saeugetier/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/saeugetier/subscriptions","organizations_url":"https://api.github.com/users/saeugetier/orgs","repos_url":"https://api.github.com/users/saeugetier/repos","events_url":"https://api.github.com/users/saeugetier/events{/privacy}","received_events_url":"https://api.github.com/users/saeugetier/received_events","type":"User","site_admin":false},"labels":[],"state":"open","locked":false,"assignee":null,"assignees":[],"milestone":null,"comments":4,"created_at":"2016-10-31T14:32:29Z","updated_at":"2016-10-31T14:53:22Z","closed_at":null,"body":"I build two U2F by myself. PCBs were ordered from DirtyPCB in beginning of October. I think that the very latest gerbers are used, because I ordered the PCBs via link in the wiki.\r\n\r\nI soldered all parts on the PCB. The soldering joints are checked with a microscope. I found no short circuits. \r\n\r\nAfter flashing SETUP.hex to board the USB connection is very unstable.\r\n\r\nSometimes the device is found, but most of the times the kernel is not able to initialize the USB device. dmesg | tail has following messages:\r\n\r\n[72252.317662] usb 3-2: new low-speed USB device number 87 using xhci_hcd\r\n[72252.318180] usb 3-2: Device not responding to setup address.\r\n[72252.522419] usb 3-2: Device not responding to setup address.\r\n[72252.726103] usb 3-2: device not accepting address 87, error -71\r\n[72252.726177] usb usb3-port2: unable to enumerate USB device\r\n\r\nI tried to compile the setup-firmware by myself. I got the same problem for both boards. \r\n\r\nThe debugger identifies the microcontroller as \"EFM8UB11F16G\"\r\n"},"comment":{"url":"https://api.github.com/repos/conorpp/u2f-zero/issues/comments/257315281","html_url":"https://github.com/conorpp/u2f-zero/issues/30#issuecomment-257315281","issue_url":"https://api.github.com/repos/conorpp/u2f-zero/issues/30","id":257315281,"user":{"login":"saeugetier","id":1408260,"avatar_url":"https://avatars.githubusercontent.com/u/1408260?v=3","gravatar_id":"","url":"https://api.github.com/users/saeugetier","html_url":"https://github.com/saeugetier","followers_url":"https://api.github.com/users/saeugetier/followers","following_url":"https://api.github.com/users/saeugetier/following{/other_user}","gists_url":"https://api.github.com/users/saeugetier/gists{/gist_id}","starred_url":"https://api.github.com/users/saeugetier/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/saeugetier/subscriptions","organizations_url":"https://api.github.com/users/saeugetier/orgs","repos_url":"https://api.github.com/users/saeugetier/repos","events_url":"https://api.github.com/users/saeugetier/events{/privacy}","received_events_url":"https://api.github.com/users/saeugetier/received_events","type":"User","site_admin":false},"created_at":"2016-10-31T14:53:22Z","updated_at":"2016-10-31T14:53:22Z","body":"![img_7353](https://cloud.githubusercontent.com/assets/1408260/19858533/1b605674-9f82-11e6-97c9-a3d1deaa7996.JPG)\r\n"}}
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