Add a hack to use `iw` instead of VintageNet for now

farmbot_os/mix.exs

@@ -97,6 +97,7 @@ defmodule FarmbotOS.MixProject do
       {:nerves_firmware_ssh, "~> 0.4", targets: @all_targets},
       {:circuits_gpio, "~> 0.4", targets: @all_targets},
       {:toolshed, "~> 0.2", targets: @all_targets},
+      {:iw, "~> 0.2", targets: @all_targets},
       # {:vintage_net, "~> 0.3.1", targets: @all_targets},
       {:vintage_net,
        github: "nerves-networking/vintage_net", tag: "master", targets: @all_targets},

farmbot_os/mix.lock

@@ -30,6 +30,7 @@
   "goldrush": {:hex, :goldrush, "0.1.9", "f06e5d5f1277da5c413e84d5a2924174182fb108dabb39d5ec548b27424cd106", [:rebar3], [], "hexpm"},
   "hackney": {:hex, :hackney, "1.15.1", "9f8f471c844b8ce395f7b6d8398139e26ddca9ebc171a8b91342ee15a19963f4", [:rebar3], [{:certifi, "2.5.1", [hex: :certifi, repo: "hexpm", optional: false]}, {:idna, "6.0.0", [hex: :idna, repo: "hexpm", optional: false]}, {:metrics, "1.0.1", [hex: :metrics, repo: "hexpm", optional: false]}, {:mimerl, "~>1.1", [hex: :mimerl, repo: "hexpm", optional: false]}, {:ssl_verify_fun, "1.1.4", [hex: :ssl_verify_fun, repo: "hexpm", optional: false]}], "hexpm"},
   "idna": {:hex, :idna, "6.0.0", "689c46cbcdf3524c44d5f3dde8001f364cd7608a99556d8fbd8239a5798d4c10", [:rebar3], [{:unicode_util_compat, "0.4.1", [hex: :unicode_util_compat, repo: "hexpm", optional: false]}], "hexpm"},
+  "iw": {:hex, :iw, "0.2.0", "f9f9890e1e050b0a7017def96e94efa0933fb472bf3095c111ef6c8bf9bf8532", [:make, :mix], [{:elixir_make, "~> 0.5", [hex: :elixir_make, repo: "hexpm", optional: false]}], "hexpm"},
   "jason": {:hex, :jason, "1.1.2", "b03dedea67a99223a2eaf9f1264ce37154564de899fd3d8b9a21b1a6fd64afe7", [:mix], [{:decimal, "~> 1.0", [hex: :decimal, repo: "hexpm", optional: true]}], "hexpm"},
   "jsx": {:hex, :jsx, "2.9.0", "d2f6e5f069c00266cad52fb15d87c428579ea4d7d73a33669e12679e203329dd", [:mix, :rebar3], [], "hexpm"},
   "lager": {:hex, :lager, "3.6.5", "831910109f3fcb503debf658ca0538836b348c58bfbf349a6d48228096ce9040", [:rebar3], [{:goldrush, "0.1.9", [hex: :goldrush, repo: "hexpm", optional: false]}], "hexpm"},

farmbot_os/platform/target/configurator/vintage_network_layer.ex

@@ -15,9 +15,7 @@ defmodule FarmbotOS.Platform.Target.Configurator.VintageNetworkLayer do
 
   @impl FarmbotOS.Configurator.NetworkLayer
   def scan(ifname) do
-    VintageNet.get_by_prefix(["interface", ifname, "wifi", "access_points"])
-    |> Enum.at(0)
-    |> elem(1)
+    Iw.ap_scan(ifname)
     |> Enum.map(fn {_bssid, %{bssid: bssid, ssid: ssid, signal_percent: signal, flags: flags}} ->
       %{
         ssid: ssid,
@@ -26,6 +24,7 @@ defmodule FarmbotOS.Platform.Target.Configurator.VintageNetworkLayer do
         security: flags_to_security(flags)
       }
     end)
+    |> Enum.uniq_by(fn %{ssid: ssid} -> ssid end)
     |> Enum.sort(fn
       %{level: level1}, %{level: level2} -> level1 >= level2
     end)

farmbot_os/platform/target/network.ex

@@ -14,12 +14,9 @@ defmodule FarmbotOS.Platform.Target.Network do
     %{
       type: CaptivePortal,
       wifi: %{
-        mode: :host,
         ssid: build_hostap_ssid(),
-        key_mgmt: :none,
-        scan_ssid: 1,
-        ap_scan: 1,
-        bgscan: :simple
+        mode: :host,
+        key_mgmt: :none
       },
       ipv4: %{
         method: :static,