From 8d20bceedba61af44510e8ef58729e3bc45eb877 Mon Sep 17 00:00:00 2001
From: gnssuser <gnssuser@github.com>
Date: Mon, 22 Sep 2025 12:28:46 +0200
Subject: [PATCH] App: USB host feature, detect attached USB device

- added dev filter with supported serial devices/vendors
---
 app/src/main/AndroidManifest.xml       |  5 ++++
 app/src/main/res/xml/device_filter.xml | 38 ++++++++++++++++++++++++++
 2 files changed, 43 insertions(+)
 create mode 100644 app/src/main/res/xml/device_filter.xml

diff --git a/app/src/main/AndroidManifest.xml b/app/src/main/AndroidManifest.xml
index 23f80d2..72f72b3 100644
--- a/app/src/main/AndroidManifest.xml
+++ b/app/src/main/AndroidManifest.xml
@@ -1,6 +1,7 @@
 <?xml version="1.0" encoding="utf-8"?>
 <manifest xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:tools="http://schemas.android.com/tools">
+    <uses-feature android:name="android.hardware.usb.host" />
 
     <application
         android:allowBackup="true"
@@ -20,7 +21,11 @@
                 <action android:name="android.intent.action.MAIN" />
 
                 <category android:name="android.intent.category.LAUNCHER" />
+                <action android:name="android.hardware.usb.action.USB_DEVICE_ATTACHED" />
             </intent-filter>
+            <meta-data
+                android:name="android.hardware.usb.action.USB_DEVICE_ATTACHED"
+                android:resource="@xml/device_filter" />
         </activity>
     </application>
 
diff --git a/app/src/main/res/xml/device_filter.xml b/app/src/main/res/xml/device_filter.xml
new file mode 100644
index 0000000..b2a252c
--- /dev/null
+++ b/app/src/main/res/xml/device_filter.xml
@@ -0,0 +1,38 @@
+<?xml version="1.0" encoding="utf-8"?>
+<resources>
+    <!-- 0x0403 / 0x60??: 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: FT230X, FT231X, FT234XD -->
+
+    <!-- 0x10C4 / 0xEA??: Silabs CP210x -->
+    <usb-device vendor-id="4292" product-id="60000" /> <!-- 0xea60: CP2102 and other CP210x single port devices -->
+    <usb-device vendor-id="4292" product-id="60016" /> <!-- 0xea70: CP2105 -->
+    <usb-device vendor-id="4292" product-id="60017" /> <!-- 0xea71: CP2108 -->
+
+    <!-- 0x067B / 0x23?3: Prolific PL2303x -->
+    <usb-device vendor-id="1659" product-id="8963" /> <!-- 0x2303: PL2303HX, HXD, TA, ... -->
+    <usb-device vendor-id="1659" product-id="9123" /> <!-- 0x23a3: PL2303GC -->
+    <usb-device vendor-id="1659" product-id="9139" /> <!-- 0x23b3: PL2303GB -->
+    <usb-device vendor-id="1659" product-id="9155" /> <!-- 0x23c3: PL2303GT -->
+    <usb-device vendor-id="1659" product-id="9171" /> <!-- 0x23d3: PL2303GL -->
+    <usb-device vendor-id="1659" product-id="9187" /> <!-- 0x23e3: PL2303GE -->
+    <usb-device vendor-id="1659" product-id="9203" /> <!-- 0x23f3: PL2303GS -->
+
+    <!-- 0x1a86 / 0x?523: Qinheng CH34x -->
+    <usb-device vendor-id="6790" product-id="21795" /> <!-- 0x5523: CH341A -->
+    <usb-device vendor-id="6790" product-id="29987" /> <!-- 0x7523: CH340 -->
+
+    <!-- CDC driver -->
+    <usb-device vendor-id="9025" />                   <!-- 0x2341 / ......: Arduino -->
+    <usb-device vendor-id="5824" product-id="1155" /> <!-- 0x16C0 / 0x0483: Teensyduino  -->
+    <usb-device vendor-id="1003" product-id="8260" /> <!-- 0x03EB / 0x2044: Atmel Lufa -->
+    <usb-device vendor-id="7855" product-id="4"    /> <!-- 0x1eaf / 0x0004: Leaflabs Maple -->
+    <usb-device vendor-id="3368" product-id="516"  /> <!-- 0x0d28 / 0x0204: ARM mbed -->
+    <usb-device vendor-id="1155" product-id="22336" /><!-- 0x0483 / 0x5740: ST CDC -->
+    <usb-device vendor-id="11914" product-id="5"   /> <!-- 0x2E8A / 0x0005: Raspberry Pi Pico Micropython -->
+    <usb-device vendor-id="11914" product-id="10"  /> <!-- 0x2E8A / 0x000A: Raspberry Pi Pico SDK -->
+    <usb-device vendor-id="6790" product-id="21972" /><!-- 0x1A86 / 0x55D4: Qinheng CH9102F -->
+</resources>