Two years ago I started playing with WebUSB , a web API to connect hardware to the Web. The idea was crazy, especially that there is already an implementation supported by Chrome, but… unfortunately only few experiments worked fine. The same experiments that I saw two years ago.
Due to the lack of documentation, I quickly hit the limitation of the API and reached a dead-end. I posted few questions in stackoverflow, such as the controlTransferOut() limitation , then I find out how to deal with it.
Then I posted more detailed code on how to use WebUSB to connect to a scanner directly ! I was able to connect to my scanner, it was a Canon DR-M160II, but low level transfer code got stack somewhere. The issue seems to be related to webusb chrome implementation itself.
Emscripten wasn’t a solution too, as I quickly hit the limitation of the compiler too ! Sane was working correctly from my Ubuntu, so WebUSB should be working fine too !
Last but not least, WebUSB API lack of documentation until today. Not lots of people are using the API, 27 issues open today on github, 90 closed.
WebUSB is available in Chrome 61 for Android, Chrome OS, Linux, macOS and Windows. If you are able to connect successfully to your USB device from Chrome feel free to drop a message !
Notice that the last WebUSB API unofficial draft have been published on December 3rd 2019, by a team from Google ! The only implementation remain in Chrome… But I still thing that it’s dead, most probably because it was not able to leave Google.
以上所述就是小编给大家介绍的《WebUSB Is Dead》，希望对大家有所帮助，如果大家有任何疑问请给我留言，小编会及时回复大家的。在此也非常感谢大家对 码农网 的支持！
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劫持
玛丽•K. 斯温格尔（Mari K. Swingle） / 邓思渊 / 中信出版集团股份有限公司 / 2018-5-1 / CNY 59.00
《劫持》是一本探讨人与科技的关系的书，基于一位心理学博士20年的临床经验及其作为神经认知科学研究者的脑—电研究成果。在这本面向大众的科普书中，作者以深入浅出的方式，探讨了手机、电脑等便携式数字设备及让人“永不下线”的互联网对现代人尤其是青少年大脑的影响，从神经认知科学和精神分析的角度，有力地证明了数字媒介与大脑和人类行为的关系，探讨了手机等如何对人的大脑进行劫持或操控，并给出了自己作为从业医师的实......一起来看看 《劫持》 这本书的介绍吧!
