{"action":"opened","issue":{"url":"https://api.github.com/repos/intel-iot-devkit/upm/issues/453","repository_url":"https://api.github.com/repos/intel-iot-devkit/upm","labels_url":"https://api.github.com/repos/intel-iot-devkit/upm/issues/453/labels{/name}","comments_url":"https://api.github.com/repos/intel-iot-devkit/upm/issues/453/comments","events_url":"https://api.github.com/repos/intel-iot-devkit/upm/issues/453/events","html_url":"https://github.com/intel-iot-devkit/upm/issues/453","id":171384834,"number":453,"title":"grove LCD module still using really bad i2c commands","user":{"login":"arfoll","id":514406,"avatar_url":"https://avatars.githubusercontent.com/u/514406?v=3","gravatar_id":"","url":"https://api.github.com/users/arfoll","html_url":"https://github.com/arfoll","followers_url":"https://api.github.com/users/arfoll/followers","following_url":"https://api.github.com/users/arfoll/following{/other_user}","gists_url":"https://api.github.com/users/arfoll/gists{/gist_id}","starred_url":"https://api.github.com/users/arfoll/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/arfoll/subscriptions","organizations_url":"https://api.github.com/users/arfoll/orgs","repos_url":"https://api.github.com/users/arfoll/repos","events_url":"https://api.github.com/users/arfoll/events{/privacy}","received_events_url":"https://api.github.com/users/arfoll/received_events","type":"User","site_admin":false},"labels":[],"state":"open","locked":false,"assignee":null,"assignees":[],"milestone":null,"comments":0,"created_at":"2016-08-16T11:24:26Z","updated_at":"2016-08-16T11:24:26Z","closed_at":null,"body":"LCD module is not using full i2c commands and instead is relying on usleep and other methods to throw tiny segments of data down the i2c line. This is causing a bunch of reliability issues.\r\n\r\nFor example:\r\nhttps://github.com/intel-iot-devkit/upm/blob/master/src/lcd/lcm1602.cxx#L396\r\nthis calls write4bits() twice in i2c for no good reason. This can be done in much fewer i2c commands resulting in much better reliability and speed."}}
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