2018年4月5日 · I have always used the CAN ID and Frame at the application level. CANID like 0x1a1 CAN Frame like ff 22 ff 33 co 33 ee 44 (8 bytes). In the specification, they mentioned that the Frame consists of identifier field. I doubt what is that. Is that the CAN ID like 0x1a1 or CAN ID + some other stuff. No documents mentioned that clearly.

2008年9月16日 · Html ID. The id attribute specifies its element's unique identifier (ID). There are no other restrictions on what form an ID can take; in particular, IDs can consist of just digits, start with a digit, start with an underscore, consist of just punctuation, etc.

2022年10月16日 · The CAN ID is more like a message type which anyone on the bus can pick up. The CAN messages does not include the source/destination addresses of a message. (However If your control everything on the bus, you can encode the source/destnation in the CAN ID if you want to - it's your responsiibility then how to do that)

2017年10月11日 · You can create that name and you can change if you want. The devices usually come with a default Node-ID. You can see it in datasheet of the device. For example, default Node-ID=1. COB-ID(s) contains The Node-ID(s) and there is a standart for COB-ID(s). COB-ID. As you can see the table on the link.

2018年2月20日 · (Though 'id' or other attributes can of course be used by JavaScript to obtain form values, which JavaScript could then use for Ajax submissions and so on.) One oddity regarding previous answers/commenters concern about id's values and name's values being in the same namespace.

2018年1月3日 · In CAN 2.0, a network identifier with 11 bits has a limitation of 2032 identifier values (211 − 24). Why does it have this limit instead of 2048 (211)?

2021年1月29日 · If you're going to use those ids with CSS selectors (e.g, style them with CSS, or locate them with querySelector, querySelectorAll, or a library like jQuery that uses CSS selectors), be aware that it can be a pain and you're probably better off staring the id with a letter, because you can't use an id starting with a digit in a CSS id selector ...

2014年11月18日 · In the general case the CAN-ID (bytes 0-4) contains all the details about what kind of message it is, and devices can inspect particular fields to decide whether they care about the message. For example the transmission controller probably doesn't care about battery status messages, nor the fuel gauge about which doors are locked.

2009年9月9日 · As we can see here, the "id" and "for" elements are interconnected. If you click on the label (Username) then the input field will be highlighted (this is useful for mobile users and is considered good practice). On the other hand, the "name" element is …

2011年4月10日 · Also renders fine in all browsers, however, unlike class tags that can be separated by a space, the id tag allows spaces, so the id of the above element is actually "unique unique-two", and asking the dom for "unique" or "unique-two" in isolation returns null unless otherwise defined elsewhere in the DOM (tested on Chrome, FireFox & IE11).