Re: notification when device change in /dev
Re: notification when device change in /dev
- Subject: Re: notification when device change in /dev
- From: Graham Cox <email@hidden>
- Date: Thu, 27 Feb 2014 11:07:49 +1100
On 27 Feb 2014, at 10:19 am, Roland King <email@hidden> wrote:
> Is there an NSNotification or some other kind of notification you can subscribe to when there's a change in /dev? I'm dealing with an old USB-serial device which creates a cu/tty when inserted (and removed when removed) and I'd like to get a notification when that happens so I can update UI.
>
> I've hunted around the docs but clearly haven't found the right one yet. I wish there were a master list of all system notifications somewhere, would be handy to find them, or rule out that they exist.
I don't think there is, but you could use fsevents to watch that directory.
Arduino? I notice that the Arduino IDE notices the addition of cu/tty in /dev when you plug in a board, but then again it only displays that in a menu, so it might just do a scan when it updates its menus.
--Graham
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