An example scanner to collect Manufacturer Specific Data.

[angrycandy]

Raspberry Pi Zero W results:

iex(1)> {:ok, pid} = BlueHeronScan.start_link(:uart, %{device: "ttyS0"})
{:ok, #PID<0.10860.0>}
iex(2)> state = :sys.get_state(pid)
%{
  ctx: #BlueHeron.Context<0.10861.0>,
  devices: %{
    4753574963174 => %{
      272 => <<64, 10, 1, 0>>,
      :name => "Bose AE2 SoundLink",
      :time => ~U[2021-09-27 14:48:25.778174Z]
    },
    48660401950223 => %{
      784 => <<64, 16, 2, 48>>,
      :name => "LE-Bose Revolve SoundLink",
      :time => ~U[2021-09-27 14:48:25.658670Z]
    },
    110946934216995 => %{
      117 => <<66, 4, 1, 128, 102, 100, 231, 216, 154, 89, 35, 102, 231, 216,
        154, 89, 34, 1, 62, 0, 0, 0, 0, 0>>,
      :time => ~U[2021-09-27 14:48:25.873323Z]
    },
    181149778439893 => %{
      1 => <<1, 1, 4, 28, 196, 90>>,
      :name => "GVH5102_EED5",
      :time => ~U[2021-09-27 14:48:26.032518Z]
    },
    181149781445015 => %{
      name: "ihoment_H6182_C997",
      time: ~U[2021-09-27 14:48:26.059225Z]
    },
    246390811914386 => %{
      60552 => <<0, 97, 10, 12, 22, 100, 2>>,
      :name => "Govee_H5074_F092",
      :time => ~U[2021-09-27 14:48:24.429195Z]
    }
  },
  ignore_cids: [6, 76],
  working: true
}
iex(3)> BlueHeronScan.ignore_cids(pid, MapSet.new([6, 76, 117, 784]))
{:ok, #MapSet<[6, 76, 117, 784]>}
iex(4)> BlueHeronScan.clear_devices(pid)
:ok
iex(5)> state = :sys.get_state(pid)
%{
  ctx: #BlueHeron.Context<0.10861.0>,
  devices: %{
    4753574963174 => %{
      272 => <<64, 10, 1, 0>>,
      :name => "Bose AE2 SoundLink",
      :time => ~U[2021-09-27 14:48:46.192324Z]
    },
    181149778439893 => %{
      1 => <<1, 1, 4, 28, 196, 90>>,
      :name => "GVH5102_EED5",
      :time => ~U[2021-09-27 14:48:46.287562Z]
    },
    181149781445015 => %{
      name: "ihoment_H6182_C997",
      time: ~U[2021-09-27 14:48:47.139443Z]
    },
    246390811914386 => %{
      60552 => <<0, 94, 10, 11, 22, 100, 2>>,
      :name => "Govee_H5074_F092",
      :time => ~U[2021-09-27 14:48:45.477457Z]
    }
  },
  ignore_cids: #MapSet<[6, 76, 117, 784]>,
  working: true
}
iex(6)> BleAdMfgData.print(state.devices)
[
  ["26.5˚C 56.4% RH 100%🔋", "Govee_H5074_F092"],
  ["27.0˚C 50.8% RH 90%🔋", "GVH5102_EED5"]
]
iex(7)> BlueHeronScan.disable(pid)
:ok
iex(8)> BlueHeronScan.clear_devices(pid)
:ok
iex(9)> state = :sys.get_state(pid)
%{
  ctx: #BlueHeron.Context<0.10861.0>,
  devices: %{},
  ignore_cids: #MapSet<[6, 76, 117, 784]>,
  working: true
}
iex(10)> BlueHeronScan.enable(pid)
:ok
iex(11)> 

[ConnorRigby]

Sorry for the long wait on reviewing this. It looks good to me and i'd love to merge it! Could you make API functions for the server instead of using :sys.get_state/1? after that, i'll merge!

[angrycandy]

Sorry for the long wait on reviewing this. It looks good to me and i'd love to merge it! Could you make API functions for the server instead of using :sys.get_state/1? after that, i'll merge!

Done!