feat(test_ext_port): Added test cases for the external port driver testing

Author: roma-jam

components/usb/test_apps/common/hcd_common.c

@@ -313,6 +313,10 @@ uint8_t test_hcd_enum_device(hcd_pipe_handle_t default_pipe)
     // Update address of default pipe
     TEST_ASSERT_EQUAL(ESP_OK, hcd_pipe_update_dev_addr(default_pipe, ENUM_ADDR));
 
+    // Some high-speed Hubs need some time before being able to process SetConfiguration request
+    // Full-speed devices doesn't require that time
+    vTaskDelay(pdMS_TO_TICKS(10));
+
     // Send a set configuration request
     USB_SETUP_PACKET_INIT_SET_CONFIG(setup_pkt, ENUM_CONFIG);
     urb->transfer.num_bytes = sizeof(usb_setup_packet_t);

components/usb/test_apps/ext_port/CMakeLists.txt

@@ -0,0 +1,11 @@
+# This is the project CMakeLists.txt file for the test subproject
+cmake_minimum_required(VERSION 3.16)
+
+include($ENV{IDF_PATH}/tools/cmake/project.cmake)
+
+set(EXTRA_COMPONENT_DIRS "../common")
+
+# "Trim" the build. Include the minimal set of components, main, and anything it depends on.
+idf_build_set_property(MINIMAL_BUILD ON)
+
+project(test_app_hub)

components/usb/test_apps/ext_port/README.md

@@ -0,0 +1,12 @@
+| Supported Targets | ESP32-P4 | ESP32-S2 | ESP32-S3 |
+| ----------------- | -------- | -------- | -------- |
+
+# USB: External Port test application
+
+Testing the External Port Driver logic.
+
+## Requirements
+
+USB external Hub should be attached to the root port (USB OTG peripheral).
+
+Ports could be configured via menuconfig.

components/usb/test_apps/ext_port/main/CMakeLists.txt

@@ -0,0 +1,16 @@
+# In order for the cases defined by `TEST_CASE` to be linked into the final elf,
+# the component can be registered as WHOLE_ARCHIVE
+set(srcs)
+
+list(APPEND srcs "test_app_main.c"
+                 "test_ext_port.c"
+                 # Internal common test files
+                 "hub_common.c"
+                 "ext_port_common.c"
+)
+
+idf_component_register(SRCS ${srcs}
+                       INCLUDE_DIRS "."
+                       PRIV_INCLUDE_DIRS "."
+                       REQUIRES usb unity common
+                       WHOLE_ARCHIVE)

components/usb/test_apps/ext_port/main/Kconfig.projbuild

@@ -0,0 +1,23 @@
+source "$IDF_PATH/components/usb/test_apps/common/Kconfig.common"
+
+menu "USB Host External Port test"
+
+    config USB_HOST_TEST_HUB_PORT_NUM_DEVICE_FSHS
+        int "Port number with Full-/High-speed device"
+        default 1
+        help
+            Configure the number of the port, with a Full-/High-speed USB device.
+
+    config USB_HOST_TEST_HUB_PORT_NUM_DEVICE_LS
+        int "Port number with Low-speed device"
+        default 2
+        help
+            Configure the number of the port, with a Low-speed USB device.
+
+    config USB_HOST_TEST_HUB_PORT_NUM_EMPTY
+        int "Empty Port number"
+        default 3
+        help
+            Configure the number of the port, without device.
+
+endmenu