Re: iphone-haptic

2008-03-03 Thread Robin Paulson
On 03/03/2008, Ortwin Regel [EMAIL PROTECTED] wrote:
 I have doubts about the usefulness of vibrator feedback. It can't help
  you find a button or tell you whether you pressed the right one. All
  it does is tell you that you pressed a button at all. That might be a

well, that mimics the feedback i would get from any keyboard. barring
the keys with the tiny raised bumps on them, there is nothing to
indicate a given key has been located. but the 'click' as the key
moves down tells me that i have pressed it hard enough to register,
and the vibration could replace this on the neo

most users will register the click/vibration quicker than the
character appearing on the screen, particularly those who look at the
keyboard rather than the screen (lots of us)

true, it can't help a key be located (whereas i can feel the edge of
real keys) before it's pressed, but it's still a step better than a
smooth kb with no feedback at all

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Re: iphone-haptic

2008-03-03 Thread Andy Green
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Somebody in the thread at some point said:

 I played with the motion sensors just eyeballing the raw data in hex and
 I think they're going to be very responsive and cool.
 
 
 Motion sensors?
 motion sensors are accelerometers...isn't it?
 how can they be useful for this feature?..I though it was a vibrator
 issue only...(and touch screen of course)

Wah I guess I got the wrong end of the stick, I was really responding to
the software shouldn't hold the thing up aspect.

The vibrator does have some amount of PWM (intensity levels) support,
how repeatable that is over different devices I don't know.  Also it
would be fairly do-able to put curves of vibrator intensity over time to
some extent.  But in the end what we have is an electric motor with a
funny shaped bit of metal on the end to work with.

It wasn't clear from the pic on that site what this actuator is, it
could be basically what we have.

- -Andy

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Re: iphone-haptic

2008-03-03 Thread Ortwin Regel
On 3/3/08, Gilbert Hartmann [EMAIL PROTECTED] wrote:
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 Does anyone know how this compares to the feedback on the Wii when using the
 keyboard? It sounds fairly similar (save for the Wii's lack of a
 touchscreen)

 - --Bert

It should be similar but there is a major difference: On the Wii you
get vibration feedback all the time while you are pointing at the
screen. On the Neo you only get vibration feedback when touching the
screen and touching the screen already means that you are pressing a
button. (On a standard touchscreen keyboard at least.)


To make vibration feedback with a tapping-keyboard more useful, the
force of the vibration could indicate whether you hit a key right in
the middle or more to the rim (and thus maybe hit the wrong key). I'm
not sure how much the force of a short vibration can be tuned on the
Neo but this is certainly something worth finding out.

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Re: iphone-haptic

2008-03-03 Thread Marco Trevisan (Treviño)

Andrea Debortoli ha scritto:
It's an hard thing to tell if it could be useful or not...it's a totally 
new feature (I've never seen something similar), and I think we can 
evaluate it with practical test only.


I've an old iFeel Logitech mouse with haptic support (vibrate on 
actions). Under Linux I only got it vibrate, but I was planning to make 
it interact also with the xserver actions, maybe this work should be 
used by Openmoko too...


--
Treviño's World - Life and Linux
http://www.3v1n0.net/


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iphone-haptic

2008-03-02 Thread Andrea Debortoli
what about this??

http://code.google.com/p/iphone-haptics/

it would be very useful to have on FreeRunner too!!!
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Re: iphone-haptic

2008-03-02 Thread Tim Kersten
That looks like it could potentially be extremely useful! However,
adding features to the Freerunner at this stage would presumably delay
it even more. Personally, I'd be willing to wait another month if it
meant that the Freerunner had such features. This would address one of
the biggest problems with touch screens -- the lack of tactile
feedback. :-)

On Sun, Mar 2, 2008 at 11:49 AM, Andrea Debortoli [EMAIL PROTECTED] wrote:
 what about this??

 http://code.google.com/p/iphone-haptics/

 it would be very useful to have on FreeRunner too!!!

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Re: iphone-haptic

2008-03-02 Thread Andrea Debortoli
2008/3/2, Tim Kersten [EMAIL PROTECTED]:

 That looks like it could potentially be extremely useful! However,
 adding features to the Freerunner at this stage would presumably delay
 it even more. Personally, I'd be willing to wait another month if it
 meant that the Freerunner had such features. This would address one of
 the biggest problems with touch screens -- the lack of tactile
 feedback. :-)


That would surely be a software feature...so it could become available after
hardware release of FreeRunner!!
I want it!

On Sun, Mar 2, 2008 at 11:49 AM, Andrea Debortoli [EMAIL PROTECTED]
 wrote:
  what about this??
 
  http://code.google.com/p/iphone-haptics/
 
  it would be very useful to have on FreeRunner too!!!
 

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Re: iphone-haptic

2008-03-02 Thread Andy Green
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Somebody in the thread at some point said:
 
 
 2008/3/2, Tim Kersten [EMAIL PROTECTED] mailto:[EMAIL PROTECTED]:
 
 That looks like it could potentially be extremely useful! However,
 adding features to the Freerunner at this stage would presumably delay

 That would surely be a software feature...so it could become available
 after hardware release of FreeRunner!!
 I want it!

Yes don't stop wanting :-)  We wouldn't delay anything for it but as you
say this is only in the software world and can come at its own speed.
You can get motion sensor data just by reading from /dev/input/event2
and 3 one for each motion sensor.

I played with the motion sensors just eyeballing the raw data in hex and
I think they're going to be very responsive and cool.

- -Andy
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Re: iphone-haptic

2008-03-02 Thread joerg
Am So  2. März 2008 schrieb Andy Green:
 - gpg control packet
 Somebody in the thread at some point said:
 
 
  2008/3/2, Tim Kersten [EMAIL PROTECTED] mailto:[EMAIL PROTECTED]:
 
  That looks like it could potentially be extremely useful! However,
  adding features to the Freerunner at this stage would presumably delay
 
  That would surely be a software feature...so it could become available
  after hardware release of FreeRunner!!
  I want it!
 
 Yes don't stop wanting :-)  We wouldn't delay anything for it but as you
 say this is only in the software world and can come at its own speed.

From a first brief glance at this site, i don't think it's a sw-only feature. 
This actor is driven with sth like ...an approx. 175Hz sine wave with 
increasing intensity during the ramp up time and decreasing intensity during 
the ramp down time..., so to me it seems they really plumbed an actuator 
(Piezo?) directly to the screen. You surely can't do this with the common 
built-in vibrator motor (though you can give it a try).

Mere Vibrator feedback on keypress shouldn't be any issue, even should be 
standard (best practice) for OM input devices.

cheers
jOERG

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Re: iphone-haptic

2008-03-02 Thread Andrea Debortoli
2008/3/2, joerg [EMAIL PROTECTED]:

 Am So  2. März 2008 schrieb Andy Green:
  - gpg control packet

  Somebody in the thread at some point said:
  
  
   2008/3/2, Tim Kersten [EMAIL PROTECTED] mailto:[EMAIL PROTECTED]:
  
   That looks like it could potentially be extremely useful! However,
   adding features to the Freerunner at this stage would presumably
 delay
 
   That would surely be a software feature...so it could become available
   after hardware release of FreeRunner!!
   I want it!
 
  Yes don't stop wanting :-)  We wouldn't delay anything for it but as you
  say this is only in the software world and can come at its own speed.


 From a first brief glance at this site, i don't think it's a sw-only
 feature.
 This actor is driven with sth like ...an approx. 175Hz sine wave with
 increasing intensity during the ramp up time and decreasing intensity
 during
 the ramp down time..., so to me it seems they really plumbed an actuator
 (Piezo?) directly to the screen. You surely can't do this with the common
 built-in vibrator motor (though you can give it a try).


They are using:
iPhone's built-in vibrotactile actuator

I don't know what sort of actuator iPhone is carrying...but they discovered the
actuator can vibrate at 12 different speeds, so maybe it's possible to
discover it on FreeRunner too:-))


Mere Vibrator feedback on keypress shouldn't be any issue, even should be
 standard (best practice) for OM input devices.

 cheers

 jOERG


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Re: iphone-haptic

2008-03-02 Thread Andrea Debortoli
2008/3/2, Andy Green [EMAIL PROTECTED]:

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 Hash: SHA1

 Somebody in the thread at some point said:
 
 
  2008/3/2, Tim Kersten [EMAIL PROTECTED] mailto:[EMAIL PROTECTED]:

 
  That looks like it could potentially be extremely useful! However,
  adding features to the Freerunner at this stage would presumably
 delay


  That would surely be a software feature...so it could become available
  after hardware release of FreeRunner!!
  I want it!


 Yes don't stop wanting :-)  We wouldn't delay anything for it but as you
 say this is only in the software world and can come at its own speed.
 You can get motion sensor data just by reading from /dev/input/event2
 and 3 one for each motion sensor.

 I played with the motion sensors just eyeballing the raw data in hex and
 I think they're going to be very responsive and cool.


Motion sensors?
motion sensors are accelerometers...isn't it?
how can they be useful for this feature?..I though it was a vibrator issue
only...(and touch screen of course)


- -Andy
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Re: iphone-haptic

2008-03-02 Thread Ortwin Regel
On 3/2/08, Andrea Debortoli [EMAIL PROTECTED] wrote:
 what about this??

 http://code.google.com/p/iphone-haptics/

 it would be very useful to have on FreeRunner too!!!


I have doubts about the usefulness of vibrator feedback. It can't help
you find a button or tell you whether you pressed the right one. All
it does is tell you that you pressed a button at all. That might be a
little better than no feedback at all but it can't replace much of the
visual or audible feedback. To make this more useful, interaction with
the touchscreen would need to include more sliding motions and less
tapping because with a sliding motion you can give constant vibration
feedback.

Ortwin

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Re: iphone-haptic

2008-03-02 Thread Marko Knöbl
2008/3/2, Ortwin Regel [EMAIL PROTECTED]:

 I have doubts about the usefulness of vibrator feedback. It can't help
  you find a button or tell you whether you pressed the right one.


Actually it CAN help you find a button. Please read the section
Fingertip-Over-Edge Event in the article.

I think it's some kind of sliding-keyboard which enters the character
on which you release your finger.

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Re: iphone-haptic

2008-03-02 Thread Andrea Debortoli
It's an hard thing to tell if it could be useful or not...it's a totally new
feature (I've never seen something similar), and I think we can evaluate it
with practical test only.

2008/3/2, Marko Knöbl [EMAIL PROTECTED]:

 2008/3/2, Ortwin Regel [EMAIL PROTECTED]:

 
  I have doubts about the usefulness of vibrator feedback. It can't help
   you find a button or tell you whether you pressed the right one.
 


 Actually it CAN help you find a button. Please read the section
 Fingertip-Over-Edge Event in the article.

 I think it's some kind of sliding-keyboard which enters the character
 on which you release your finger.


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Re: iphone-haptic

2008-03-02 Thread Gilbert Hartmann
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Tim Kersten wrote:
 That looks like it could potentially be extremely useful! However,
 adding features to the Freerunner at this stage would presumably delay
 it even more. Personally, I'd be willing to wait another month if it
 meant that the Freerunner had such features. This would address one of
 the biggest problems with touch screens -- the lack of tactile
 feedback. :-)
 
 On Sun, Mar 2, 2008 at 11:49 AM, Andrea Debortoli [EMAIL PROTECTED] wrote:
 what about this??

 http://code.google.com/p/iphone-haptics/

 it would be very useful to have on FreeRunner too!!!

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Does anyone know how this compares to the feedback on the Wii when using the
keyboard? It sounds fairly similar (save for the Wii's lack of a touchscreen)

- --Bert
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