Add firmware for SN30 gamepad

releases/NS30_GP/6.11/Makefile

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+# Copyright (C) 2019 Richard Hughes <richard@hughsie.com>
+# Copyright (C) 2019 Mikhail f. Shiryaev <mr.felixoid@gmail.com>
+
+VENDOR=8Bitdo
+PROJECT_NAME=NS30_GP
+VERSION=6.11
+FIRMWARE_FILES=$(wildcard *.dat)
+METAINFO_FILES=ns30gp.metainfo.xml
+
+all: $(VENDOR)-$(PROJECT_NAME)-$(VERSION).cab
+
+clean:
+	rm *.cab
+
+check: $(METAINFO_FILES)
+	appstream-util validate-relax $(METAINFO_FILES)
+
+%.cab: $(FIRMWARE_FILES) $(METAINFO_FILES)
+	gcab --create --nopath $@ "$(FIRMWARE_FILES)" $(METAINFO_FILES)

releases/NS30_GP/6.11/ns30gp.metainfo.xml

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+<?xml version="1.0" encoding="UTF-8"?>
+<!-- Copyright 2016 Richard Hughes <richard@hughsie.com> -->
+<!-- Copyright 2018 Mario Limonciello <mario.limonciello@dell.com> -->
+<component type="firmware">
+  <id>com.8bitdo.ns30-gp.firmware</id>
+  <name>N30 Pro 2</name>
+  <summary>Firmware for the 8Bitdo NS30 GP Game Controller</summary>
+  <description>
+    <p>
+    </p>
+  </description>
+  <provides>
+    <!-- USB\VID_2dC8&PID_5750 -->
+    <firmware type="flashed">b02f1319-c1c4-54f4-b7f2-5bb3552f6a9e</firmware>
+  </provides>
+  <url type="homepage">http://www.8bitdo.com/sn30-gp/</url>
+  <metadata_license>CC0-1.0</metadata_license>
+  <project_license>Proprietary</project_license>
+  <developer_name>8Bitdo</developer_name>
+  <releases>
+    <release urgency="medium" version="6.11" date="2018-12-06">
+      <checksum filename="SN30_Firmware_V6.11.dat" target="content"/>
+      <description>
+        <p>
+          This stable release fixes the following issues:
+        </p>
+        <ul>
+          <li>Fixed input lag issue with playing SUPER SMASH BROS.</li>
+          <li>Fixed the pop-up window error when using amiibo.</li>
+        </ul>
+      </description>
+    </release>
+  </releases>
+  <screenshots>
+    <screenshot type="default">
+      <image type="source">http://support.8bitdo.com/images/support/products/sn30-color.gif</image>
+      <caption>Unplug the controller, hold down L1 + R1 + START until the red LED on top of the controller is flashing and then reconnect the controller.</caption>
+    </screenshot>
+  </screenshots>
+
+  <!-- only newer versions of fwupd know about the new controller -->
+  <requires>
+    <id compare="ge" version="1.0.3">org.freedesktop.fwupd</id>
+  </requires>
+
+  <categories>
+    <category>X-Device</category>
+  </categories>
+  <custom>
+    <value key="LVFS::UpdateProtocol">com.8bitdo</value>
+  </custom>
+</component>

releases/NS30_GP/6.11/readme_en.txt

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+2019-05-18  SN30+SF30_Firmware_V6.11
+
+1. Fixed input lag issue with playing SUPER SMASH BROS.
+2. Fixed the pop-up window error when using amiibo.
+
+-------------------------------------------------------------------------------
+
+Update instruction:
+1. Press and hold L+R+START buttons on the controller to put it on its update mode. LEDs on the top will blink in red.
+2. Connect the controller to your Windows or macOS via the USB cable.
+3. Click on "USB Update" on your device, search for Firmware.dat in the pop-up window and run it.
+4. Un-plug the controller when the upgrade process is done, then restart it before using.