From 49ee2d3c8e04964630cb97a861583bb8b3b27795 Mon Sep 17 00:00:00 2001
From: Doug MacEwen <doug@glass-imaging.com>
Date: Tue, 8 Feb 2022 16:08:49 -0800
Subject: [PATCH] Add support for Raspberry Pi Pico

---
 usbSerialExamples/src/main/res/xml/device_filter.xml          | 1 +
 .../com/hoho/android/usbserial/driver/CdcAcmSerialDriver.java | 4 ++++
 .../main/java/com/hoho/android/usbserial/driver/UsbId.java    | 3 +++
 3 files changed, 8 insertions(+)

diff --git a/usbSerialExamples/src/main/res/xml/device_filter.xml b/usbSerialExamples/src/main/res/xml/device_filter.xml
index 6e17f0c..20f78d7 100644
--- a/usbSerialExamples/src/main/res/xml/device_filter.xml
+++ b/usbSerialExamples/src/main/res/xml/device_filter.xml
@@ -32,4 +32,5 @@
     <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: Raspberry Pi Pico -->
 </resources>
diff --git a/usbSerialForAndroid/src/main/java/com/hoho/android/usbserial/driver/CdcAcmSerialDriver.java b/usbSerialForAndroid/src/main/java/com/hoho/android/usbserial/driver/CdcAcmSerialDriver.java
index 47207ef..c7079ce 100644
--- a/usbSerialForAndroid/src/main/java/com/hoho/android/usbserial/driver/CdcAcmSerialDriver.java
+++ b/usbSerialForAndroid/src/main/java/com/hoho/android/usbserial/driver/CdcAcmSerialDriver.java
@@ -321,6 +321,10 @@ public class CdcAcmSerialDriver implements UsbSerialDriver {
                 new int[] {
                         UsbId.ST_CDC,
                 });
+        supportedDevices.put(UsbId.VENDOR_RASPBERRY_PI,
+                new int[] {
+                    UsbId.RASPBERRY_PI_PICO,
+                });
         return supportedDevices;
     }
 
diff --git a/usbSerialForAndroid/src/main/java/com/hoho/android/usbserial/driver/UsbId.java b/usbSerialForAndroid/src/main/java/com/hoho/android/usbserial/driver/UsbId.java
index c67e92a..9ae0944 100644
--- a/usbSerialForAndroid/src/main/java/com/hoho/android/usbserial/driver/UsbId.java
+++ b/usbSerialForAndroid/src/main/java/com/hoho/android/usbserial/driver/UsbId.java
@@ -69,6 +69,9 @@ public final class UsbId {
     public static final int VENDOR_ST = 0x0483;
     public static final int ST_CDC = 0x5740;
 
+    public static final int VENDOR_RASPBERRY_PI = 0x2e8a;
+    public static final int RASPBERRY_PI_PICO = 0x0005;
+
     private UsbId() {
         throw new IllegalAccessError("Non-instantiable class");
     }