{"action":"created","issue":{"url":"https://api.github.com/repos/betaflight/betaflight/issues/481","repository_url":"https://api.github.com/repos/betaflight/betaflight","labels_url":"https://api.github.com/repos/betaflight/betaflight/issues/481/labels{/name}","comments_url":"https://api.github.com/repos/betaflight/betaflight/issues/481/comments","events_url":"https://api.github.com/repos/betaflight/betaflight/issues/481/events","html_url":"https://github.com/betaflight/betaflight/issues/481","id":159808435,"number":481,"title":"F4 ESC passthrough is flaky.","user":{"login":"tannewt","id":52649,"avatar_url":"https://avatars.githubusercontent.com/u/52649?v=3","gravatar_id":"","url":"https://api.github.com/users/tannewt","html_url":"https://github.com/tannewt","followers_url":"https://api.github.com/users/tannewt/followers","following_url":"https://api.github.com/users/tannewt/following{/other_user}","gists_url":"https://api.github.com/users/tannewt/gists{/gist_id}","starred_url":"https://api.github.com/users/tannewt/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/tannewt/subscriptions","organizations_url":"https://api.github.com/users/tannewt/orgs","repos_url":"https://api.github.com/users/tannewt/repos","events_url":"https://api.github.com/users/tannewt/events{/privacy}","received_events_url":"https://api.github.com/users/tannewt/received_events","type":"User","site_admin":false},"labels":[{"url":"https://api.github.com/repos/betaflight/betaflight/labels/Bug","name":"Bug","color":"fc2929"}],"state":"open","locked":false,"assignee":null,"assignees":[],"milestone":{"url":"https://api.github.com/repos/betaflight/betaflight/milestones/2","html_url":"https://github.com/betaflight/betaflight/milestones/Betaflight%20v3.0","labels_url":"https://api.github.com/repos/betaflight/betaflight/milestones/2/labels","id":1827779,"number":2,"title":"Betaflight v3.0","description":"v3.0 release\r\n\r\nIncluding:\r\n- IO changes\r\n- F4 support\r\n- Target specific code moved to target directory","creator":{"login":"blckmn","id":6168871,"avatar_url":"https://avatars.githubusercontent.com/u/6168871?v=3","gravatar_id":"","url":"https://api.github.com/users/blckmn","html_url":"https://github.com/blckmn","followers_url":"https://api.github.com/users/blckmn/followers","following_url":"https://api.github.com/users/blckmn/following{/other_user}","gists_url":"https://api.github.com/users/blckmn/gists{/gist_id}","starred_url":"https://api.github.com/users/blckmn/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/blckmn/subscriptions","organizations_url":"https://api.github.com/users/blckmn/orgs","repos_url":"https://api.github.com/users/blckmn/repos","events_url":"https://api.github.com/users/blckmn/events{/privacy}","received_events_url":"https://api.github.com/users/blckmn/received_events","type":"User","site_admin":false},"open_issues":2,"closed_issues":8,"state":"open","created_at":"2016-06-14T22:39:36Z","updated_at":"2016-06-23T22:38:40Z","due_on":"2016-06-29T14:00:00Z","closed_at":null},"comments":32,"created_at":"2016-06-12T05:09:49Z","updated_at":"2016-06-27T06:10:45Z","closed_at":null,"body":"I'm running a custom build of the development branch on my own F4FC and passthrough is flaky. It reads the ESCs (Aikon SEMF 30A) ok but the flash usually dies midway. Its possible its a hardware issue but I doubt it.\r\n\r\nMy next step is to use a similarly designed F3FC to test passthrough with the same base code (awesome!). Pass through worked on that hardware with older versions of Betaflight."},"comment":{"url":"https://api.github.com/repos/betaflight/betaflight/issues/comments/228661703","html_url":"https://github.com/betaflight/betaflight/issues/481#issuecomment-228661703","issue_url":"https://api.github.com/repos/betaflight/betaflight/issues/481","id":228661703,"user":{"login":"blckmn","id":6168871,"avatar_url":"https://avatars.githubusercontent.com/u/6168871?v=3","gravatar_id":"","url":"https://api.github.com/users/blckmn","html_url":"https://github.com/blckmn","followers_url":"https://api.github.com/users/blckmn/followers","following_url":"https://api.github.com/users/blckmn/following{/other_user}","gists_url":"https://api.github.com/users/blckmn/gists{/gist_id}","starred_url":"https://api.github.com/users/blckmn/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/blckmn/subscriptions","organizations_url":"https://api.github.com/users/blckmn/orgs","repos_url":"https://api.github.com/users/blckmn/repos","events_url":"https://api.github.com/users/blckmn/events{/privacy}","received_events_url":"https://api.github.com/users/blckmn/received_events","type":"User","site_admin":false},"created_at":"2016-06-27T06:10:45Z","updated_at":"2016-06-27T06:10:45Z","body":"Hmmm.... USB packet size is restricted to 64 for USB full speed - 12mb/s (63 usable as one byte is reserved).\r\n\r\nAre you saying the return packet from ESC/FC to HOST is 263 bytes? The VCP4 has a buffer of only 20 bytes, before a flush - this could be easily increased.\r\n\r\nIt doesn't explain why the delay allows it to work."}}
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