{"action":"created","issue":{"url":"https://api.github.com/repos/mavlink/mavros/issues/400","labels_url":"https://api.github.com/repos/mavlink/mavros/issues/400/labels{/name}","comments_url":"https://api.github.com/repos/mavlink/mavros/issues/400/comments","events_url":"https://api.github.com/repos/mavlink/mavros/issues/400/events","html_url":"https://github.com/mavlink/mavros/issues/400","id":111316850,"number":400,"title":"how to hold the MAV altitude by mavros","user":{"login":"suimo","id":13583453,"avatar_url":"https://avatars.githubusercontent.com/u/13583453?v=3","gravatar_id":"","url":"https://api.github.com/users/suimo","html_url":"https://github.com/suimo","followers_url":"https://api.github.com/users/suimo/followers","following_url":"https://api.github.com/users/suimo/following{/other_user}","gists_url":"https://api.github.com/users/suimo/gists{/gist_id}","starred_url":"https://api.github.com/users/suimo/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/suimo/subscriptions","organizations_url":"https://api.github.com/users/suimo/orgs","repos_url":"https://api.github.com/users/suimo/repos","events_url":"https://api.github.com/users/suimo/events{/privacy}","received_events_url":"https://api.github.com/users/suimo/received_events","type":"User","site_admin":false},"labels":[{"url":"https://api.github.com/repos/mavlink/mavros/labels/question","name":"question","color":"cc317c"}],"state":"closed","locked":false,"assignee":null,"milestone":null,"comments":5,"created_at":"2015-10-14T03:38:02Z","updated_at":"2015-10-27T05:46:46Z","closed_at":"2015-10-27T05:46:46Z","body":"now I use odroid xu3 to control pixhawk by mavros,I can arm the MAV and make it takeoff by giving the setpoint of throttle.but I can't hold the altitude ,when I change the flight mode from offboard to ALTCTL ,the failsafe mode is on,and the flight mode change to auto-land not altctl mode .I don't know why.\r\nplease who can help me with this issue? thanks a lot!"},"comment":{"url":"https://api.github.com/repos/mavlink/mavros/issues/comments/151382148","html_url":"https://github.com/mavlink/mavros/issues/400#issuecomment-151382148","issue_url":"https://api.github.com/repos/mavlink/mavros/issues/400","id":151382148,"user":{"login":"mhkabir","id":5557676,"avatar_url":"https://avatars.githubusercontent.com/u/5557676?v=3","gravatar_id":"","url":"https://api.github.com/users/mhkabir","html_url":"https://github.com/mhkabir","followers_url":"https://api.github.com/users/mhkabir/followers","following_url":"https://api.github.com/users/mhkabir/following{/other_user}","gists_url":"https://api.github.com/users/mhkabir/gists{/gist_id}","starred_url":"https://api.github.com/users/mhkabir/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/mhkabir/subscriptions","organizations_url":"https://api.github.com/users/mhkabir/orgs","repos_url":"https://api.github.com/users/mhkabir/repos","events_url":"https://api.github.com/users/mhkabir/events{/privacy}","received_events_url":"https://api.github.com/users/mhkabir/received_events","type":"User","site_admin":false},"created_at":"2015-10-27T05:46:46Z","updated_at":"2015-10-27T05:46:46Z","body":"@suimo Please refer to the PX4 wiki/mailing list for more help. See README."}}