nothing to see here

android/.idea/jarRepositories.xml

@@ -21,5 +21,10 @@
       <option name="name" value="Google" />
       <option name="url" value="https://dl.google.com/dl/android/maven2/" />
     </remote-repository>
+    <remote-repository>
+      <option name="id" value="maven" />
+      <option name="name" value="maven" />
+      <option name="url" value="https://jitpack.io" />
+    </remote-repository>
   </component>
 </project>

android/app/build.gradle

@@ -6,7 +6,7 @@ android {
 
     defaultConfig {
         applicationId "com.rusefi.app"
-        minSdkVersion 16
+        minSdkVersion 17
         targetSdkVersion 30
         versionCode 1
         versionName "1.0"
@@ -22,6 +22,7 @@ android {
 }
 
 dependencies {
+    implementation 'com.github.mik3y:usb-serial-for-android:v2.2.3'
     implementation fileTree(dir: "libs", include: ["*.jar"])
     implementation 'androidx.appcompat:appcompat:1.1.0'
     implementation 'com.google.android.material:material:1.1.0'

android/app/lib/usb-serial-for-android-v2.2.3.pom

@@ -0,0 +1,40 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd" xmlns="http://maven.apache.org/POM/4.0.0"
+    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
+  <modelVersion>4.0.0</modelVersion>
+  <groupId>com.github.mik3y</groupId>
+  <artifactId>usb-serial-for-android</artifactId>
+  <version>v2.2.3</version>
+  <packaging>aar</packaging>
+  <name>mik3y/usb-serial-for-android</name>
+  <description>Android USB host serial driver library for CDC, FTDI, Arduino and other devices.</description>
+  <url>https://github.com/mik3y/usb-serial-for-android</url>
+  <inceptionYear>2013</inceptionYear>
+  <licenses>
+    <license>
+      <name>GNU Lesser General Public License v2.1</name>
+      <url>https://api.github.com/licenses/lgpl-2.1</url>
+      <distribution>repo</distribution>
+    </license>
+  </licenses>
+  <developers>
+    <developer>
+      <id>mik3y</id>
+      <name>mike w</name>
+      <email></email>
+    </developer>
+  </developers>
+  <scm>
+    <connection>scm:git://github.com/mik3y/usb-serial-for-android.git</connection>
+    <developerConnection>scm:git://github.com/mik3y/usb-serial-for-android.git</developerConnection>
+    <url>git://github.com/mik3y/usb-serial-for-android.git</url>
+  </scm>
+  <dependencies>
+    <dependency>
+      <groupId>junit</groupId>
+      <artifactId>junit</artifactId>
+      <version>4.12</version>
+      <scope>test</scope>
+    </dependency>
+  </dependencies>
+</project>

android/app/src/main/res/xml/device_filter.xml

@@ -1,5 +1,24 @@
 <?xml version="1.0" encoding="utf-8"?>
 <resources>
-    <!-- Accept all device VID/PID combinations -->
-    <usb-device />
+    <!-- 0x0403 FTDI -->
+    <usb-device vendor-id="1027" product-id="24577" /> <!-- 0x6001: FT232R -->
+    <usb-device vendor-id="1027" product-id="24592" /> <!-- 0x6010: FT2232H -->
+    <usb-device vendor-id="1027" product-id="24593" /> <!-- 0x6011: FT4232H -->
+    <usb-device vendor-id="1027" product-id="24596" /> <!-- 0x6014: FT232H -->
+    <usb-device vendor-id="1027" product-id="24597" /> <!-- 0x6015: FT231X -->
+
+    <!-- 0x10C4 / 0xEAxx: Silabs CP210x -->
+    <usb-device vendor-id="4292" product-id="60000" /> <!-- 0xea60: CP2102 -->
+    <usb-device vendor-id="4292" product-id="60016" /> <!-- 0xea70: CP2105 -->
+    <usb-device vendor-id="4292" product-id="60017" /> <!-- 0xea71: CP2108 -->
+    <usb-device vendor-id="4292" product-id="60032" /> <!-- 0xea80: CP2110 -->
+
+    <!-- 0x067B / 0x2303: Prolific PL2303 -->
+    <usb-device vendor-id="1659" product-id="8963" />
+
+    <!-- 0x1a86 / 0x7523: Qinheng CH340 -->
+    <usb-device vendor-id="6790" product-id="29987" />
+
+    <!-- 0x0483 / 0x5740: ST CDC -->
+    <usb-device vendor-id="1155" product-id="22336" />
 </resources>

android/build.gradle

@@ -12,6 +12,7 @@ allprojects {
     repositories {
         google()
         jcenter()
+        maven { url 'https://jitpack.io' }
     }
 }