feat(host/cdc): Open devices with USB address

host/class/cdc/usb_host_cdc_acm/CHANGELOG.md

@@ -4,6 +4,10 @@ All notable changes to this component will be documented in this file.
 
 The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.1.0/), and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
+## [Unreleased]
+
+- Added the option to open a CDC device with specific address also to legacy `cdc_acm_host_device_config_t`
+
 ## [2.4.0] - 2026-04-14
 
 ### Added

host/class/cdc/usb_host_cdc_acm/cdc_acm_host.c

@@ -597,7 +597,7 @@ esp_err_t cdc_acm_host_open_v1_dispatch(uint16_t vid, uint16_t pid, uint8_t inte
         .vid = vid,
         .pid = pid,
         .interface_idx = interface_idx,
-        .dev_addr = CDC_HOST_ANY_DEV_ADDR,
+        .dev_addr = dev_config->dev_addr,
         .connection_timeout_ms = dev_config->connection_timeout_ms,
         .out_buffer_size = dev_config->out_buffer_size,
         .in_buffer_size = dev_config->in_buffer_size,

host/class/cdc/usb_host_cdc_acm/host_test/device_interaction/main/test_device_interaction.cpp

@@ -198,6 +198,7 @@ SCENARIO("Invalid custom command")
             .event_cb = nullptr,
             .data_cb = nullptr,
             .user_arg = nullptr,
+            .dev_addr = CDC_HOST_ANY_DEV_ADDR,
         };
 
         // Use any device, does not matter for this test
@@ -248,6 +249,7 @@ SCENARIO("Interact with mocked USB devices")
             .event_cb = nullptr,
             .data_cb = nullptr,
             .user_arg = nullptr,
+            .dev_addr = CDC_HOST_ANY_DEV_ADDR,
         };
 
         SECTION("Interact with device: ASIX Electronics Corp. AX88772A Fast Ethernet") {
@@ -437,6 +439,7 @@ SCENARIO("TinyUSB serial")
                 .event_cb = nullptr,
                 .data_cb = nullptr,
                 .user_arg = nullptr,
+                .dev_addr = CDC_HOST_ANY_DEV_ADDR,
             };
 
             usb_host_device_open_Stub(usb_host_device_open_mock_callback);

host/class/cdc/usb_host_cdc_acm/host_test/device_interaction/main/test_opening_device.cpp

@@ -52,6 +52,7 @@ SCENARIO("Test mocked device opening and closing")
             .event_cb = nullptr,
             .data_cb = nullptr,
             .user_arg = nullptr,
+            .dev_addr = CDC_HOST_ANY_DEV_ADDR,
         };
 
         SECTION("Fail to open CDC-ACM Device: dev_config is nullptr") {
@@ -272,6 +273,7 @@ SCENARIO("Test usb_host_transfer_alloc() failures")
             .event_cb = nullptr,
             .data_cb = nullptr,
             .user_arg = nullptr,
+            .dev_addr = CDC_HOST_ANY_DEV_ADDR,
         };
 
         REQUIRE(ESP_OK == usb_host_mock_add_device(5, (const usb_device_desc_t *)ch340_device_desc,

host/class/cdc/usb_host_cdc_acm/include/usb/cdc_host_types.h

@@ -92,6 +92,7 @@ typedef struct {
     cdc_acm_host_dev_callback_t event_cb; /*!< Device event callback. Can be NULL. */
     cdc_acm_data_callback_t data_cb;      /*!< Data RX callback. Can be NULL for write-only devices. */
     void *user_arg;                       /*!< User argument passed to both callbacks. */
+    uint8_t dev_addr;                     /*!< USB device address to select, or CDC_HOST_ANY_DEV_ADDR to match any. */
 } cdc_acm_host_device_config_t;
 
 /**