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pebblewatch's Issues

`get_installed_apps` messes up string offsets

Running following code should show me my installed apps:

require "pebblewatch"
require 'pp'

watch = Pebble::Watch.new("4F92", "/dev/rfcomm0")

watch.connect
pp watch.get_installed_apps
watch.disconnect

prints:

{:banks_count=>8,
 :apps=>
  [{:id=>12,
    :index=>0,
    :name=>"Counter",
    :author=>"Ps0ke",
    :flags=>0,
    :version=>3956},
   {:id=>13,
    :index=>1,
    :name=>"MtG Life Points",
    :author=>"Ps0ke",
    :flags=>0,
    :version=>8392},
   {:id=>14,
    :index=>2,
    :name=>"Dotz",
    :author=>"Zalew",
    :flags=>1,
    :version=>42359},
   {:id=>15,
    :index=>3,
    :name=>"Noms",
    :author=>"Fuzzie",
    :flags=>1,
    :version=>3224},
   {:id=>16,
    :index=>4,
    :name=>"Nyan Watch",
    :author=>"Jeff Pitchell",
    :flags=>1,
    :version=>41153},
   {:id=>0,
    :index=>1347,
    :name=>
     "alendar\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00W",
    :author=>"illiam Heaton",
    :flags=>162,
    :version=>11776},
   {:id=>4608,
    :index=>1607,
    :name=>
     "low\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00d",
    :author=>"otar",
    :flags=>258,
    :version=>21504},
   {:id=>0,
    :index=>478821,
    :name=>
     "olog\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00Ps",
    :author=>"0ke",
    :flags=>nil,
    :version=>1}]}

The first ones work well, but starting at ID 0 The Strings get all messed up. The app with ID 0 has the name Calendar, but the first char got lost somewhere. Instead the first char of the author field got at the end of the name field (William). As a result, the nullbytes did not get stripped. My guess is, that the offsets got wrong as you still read 32 byte.

Just for the record: ID 4608's name should be "Glow", the author "dotar" I guess. ID 0 (two identical IDs? Maybe something went wrong here, too?) should have the name "Neolog", and the author is me, "Ps0ke". We're two bytes off by now.

Mediabuttons do not work

I am getting no feedback on the media key events. Updating media metadata works just fine, but apart from that I was only able to receive the "Bluetooth discoverable" system message. I am using

% ruby -v
ruby 2.0.0p247 (2013-06-27 revision 41674) [x86_64-linux]

on a Gentoo Linux and an rfcomm device.

My Pebble runs Firmware v1.12.1 and is a V2R2 Hardware. Any suggestions?

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