[guardian-dev] GilgaMesh (was Re: FireChat moved off iOS proprietary mesh to their own xp mesh protocol?)

Hans-Christoph Steiner hans at guardianproject.info
Fri Oct 3 11:29:44 EDT 2014


My experience with WiFi Direct is the exact opposite.  I spend a day with it
and couldn't get anything working.  So my guess is that the quality of WiFi
Direct support varies widely based on ROM and hardware.

.hc

Nathan of Guardian wrote:
> 
> 
> On Thu, Oct 2, 2014, at 04:07 PM, Chris Ballinger wrote:
> 
> Android supports Wifi Direct in a more open fashion, but it
> will never interoperate with iOS because Apple likes to be
> stubborn.
> 
> 
> 
> I have implemented support for Wifi Direct, using the same
> device renaming hack I used with Bluetooth:
> 
> [1]https://github.com/n8fr8/gilgamesh/commit/8a8848a19c620d6c46
> f105d46a99dd1bb6f98387
> 
> 
> 
> It seems to work, more or less, though I not sure how quickly
> the refresh on the names happens with the wifi discovery/detect
> sequence. I can run it in parallel with the existing bluetooth
> code, so both radios are scanning/broadcasting simultaneously.
> Not sure what that does to reception, but hey, we'll see!
> 
> 
> 
> It seems like Wifi Direct also works up to 100m if you have
> clear line of sight. Regardless, it is definitely stronger than
> Bluetooth. I am mostly just impressed how crazy easy it is to
> implement Wifi Direct, and how powerful it is. It is really a
> hidden feature on Android.
> 
> 
> 
> As for BluetoothLE, it is also quite easy it seems, but you
> can't run Bluetooth Classic and LE at the same time, and at
> least in the context of this app (Gilga), I want to support
> Classic mode still to interop with non-Android devices.
> 
> 
> 
> +n
> 
> References
> 
> 1. https://github.com/n8fr8/gilgamesh/commit/8a8848a19c620d6c46f105d46a99dd1bb6f98387
> 
> 
> 
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