Re: BLE control volume + button on iOS.
Re: BLE control volume + button on iOS.
- Subject: Re: BLE control volume + button on iOS.
- From: Matthias Ringwald <email@hidden>
- Date: Tue, 15 Apr 2014 11:45:32 +0200
Hi Aaron
0x80 is the Keyboard Vol Up. It might be that you have to use F11 or F12 for the volume control.
best
matthias
---
Dr. sc. Matthias Ringwald
BlueKitchen GmbH, Zürich
On 14 Apr 2014, at 16:30, Aaron Xu <email@hidden> wrote:
> Hi,
>
> I send "0x80" to iPhone(iOS 7.1) and expect volume up, but nothing happened.
> Other words can be display on the editer, like "hello".
>
> Which Usage ID is the volume up for iOS device?
>
> BR
> Aaron
>
>
>
> 2014-04-07 20:17 GMT+08:00 Aaron Xu <email@hidden>:
> Hi,
>
> Yes, that is it!
>
> Thanks:)
>
> BR,
> Aaron
>
>
> 2014-04-07 19:32 GMT+08:00 Matthias Ringwald <email@hidden>:
>
>
> the HID key “codes" are defined in the HID Usage Tables e.g. http://www.usb.org/developers/devclass_docs/Hut1_12v2.pdf
>
> On 07 Apr 2014, at 13:26, Aaron Xu <email@hidden> wrote:
>
> > Hi Matthias,
> >
> > Thanks a lot!
> > This is very smart, and I am bright ：）
> >
> > In addition, where is the key number which is keyboard's code.
> > I saw some key number in a example code, for example 0x08 means "e", 0x0b means "h", 0x28 means "return".
> > But I can't find "volume up" in that BLE keyboard example.
> >
> > Where can I get the HID key number for iOS?
> >
> > Regards,
> > Aaron
> >
> >
> > 2014-04-07 17:00 GMT+08:00 Matthias Ringwald <email@hidden>:
> > Hi Aaron
> >
> > just a shot in the dark. iOS HID driver accepts volume up events and also supports HID over LE as far as I know. So, if you implement an LE HID Keyboard and send the volume up, you should be fine.
> >
> > best
> > matthias
> >
> > On 07 Apr 2014, at 01:29, Aaron Xu <email@hidden> wrote:
> >
> > > Hi,
> > >
> > > Is there any function to control iPhone's volume + button through my BLE device?
> > >
> > > I want to develop a gadget, which control iPhone to take photo.
> > > I think it will work if I open the Camera APP on iPhone and "press" the volume + button
> > > by my BLE device.
> > >
> > > Any solution for this? Please let me know.
> > >
> > > BR,
> > > Aaron
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