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Josuah Demangeon
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tests: usb: host: test basic API functionality
Add tests making sure the USB Host class APIs introduced build and run as expected. Signed-off-by: Josuah Demangeon <[email protected]>
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‎tests/subsys/usb/host/class_api/CMakeLists.txt‎

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# Copyright (c) 2025 Nordic Semiconductor ASA
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# SPDX-License-Identifier: Apache-2.0
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cmake_minimum_required(VERSION 3.20.0)
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find_package(Zephyr REQUIRED HINTS $ENV{ZEPHYR_BASE})
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project(test_usb_host)
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target_include_directories(app PRIVATE ${ZEPHYR_BASE}/subsys/usb/host)
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target_include_directories(app PRIVATE ${ZEPHYR_BASE}/tests/subsys/usb/host/common/include)
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target_sources(app PRIVATE src/main.c)

‎tests/subsys/usb/host/class_api/boards/native_sim.conf‎

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CONFIG_SYS_CLOCK_TICKS_PER_SEC=1000000

‎tests/subsys/usb/host/class_api/boards/native_sim.overlay‎

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/*
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* Copyright (c) 2023 Nordic Semiconductor ASA
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*
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* SPDX-License-Identifier: Apache-2.0
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*/
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/delete-node/ &zephyr_udc0;
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/ {
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zephyr_uhc0: uhc_vrt0 {
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compatible = "zephyr,uhc-virtual";
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zephyr_udc0: udc_vrt0 {
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compatible = "zephyr,udc-virtual";
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num-bidir-endpoints = <8>;
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maximum-speed = "high-speed";
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};
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};
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};

‎tests/subsys/usb/host/class_api/boards/native_sim_64.conf‎

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CONFIG_SYS_CLOCK_TICKS_PER_SEC=1000000

‎tests/subsys/usb/host/class_api/boards/native_sim_64.overlay‎

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/*
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* Copyright (c) 2025 Nordic Semiconductor ASA
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*
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* SPDX-License-Identifier: Apache-2.0
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*/
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#include "native_sim.overlay"

‎tests/subsys/usb/host/class_api/boards/qemu_cortex_m3.overlay‎

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/*
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* Copyright (c) 2023 Nordic Semiconductor ASA
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*
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* SPDX-License-Identifier: Apache-2.0
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*/
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/ {
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zephyr_uhc0: uhc_vrt0 {
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compatible = "zephyr,uhc-virtual";
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zephyr_udc0: udc_vrt0 {
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compatible = "zephyr,udc-virtual";
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num-bidir-endpoints = <8>;
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maximum-speed = "high-speed";
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};
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};
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};

‎tests/subsys/usb/host/class_api/include/test_descriptor.h‎

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/*
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* Copyright (c) 2025 Nordic Semiconductor ASA
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*
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* SPDX-License-Identifier: Apache-2.0
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*/
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#ifndef ZEPHYR_TEST_USB_HOST_SAMPLE_DESC_H_
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#define ZEPHYR_TEST_USB_HOST_SAMPLE_DESC_H_
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#include <stddef.h>
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#include <stdint.h>
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#define _LE16(n) ((n) & 0xff), ((n) >> 8)
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/*
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* Obtained with lsusb then verified against the
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* USB 2.0 standard's sample HUB descriptor
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*/
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#define TEST_HUB_DEVICE_DESCRIPTOR \
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18, /* bLength */ \
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1, /* bDescriptorType */ \
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_LE16(0x0200), /* bcdUSB */ \
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0x09, /* bDeviceClass */ \
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0x00, /* bDeviceSubClass */ \
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0x02, /* bDeviceProtocol */ \
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64, /* bMaxPacketSize0 */ \
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_LE16(0x0bda), /* idVendor */ \
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_LE16(0x5411), /* idProduct */ \
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_LE16(0x0001), /* bcdDevice */ \
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0, /* iManufacturer */ \
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0, /* iProduct */ \
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0, /* iSerial */ \
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1, /* bNumConfigurations */
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#define TEST_HUB_CONFIG_DESCRIPTOR \
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9, /* bLength */ \
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2, /* bDescriptorType */ \
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_LE16(0x0029), /* wTotalLength */ \
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1, /* bNumInterfaces */ \
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1, /* bConfigurationValue */ \
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0, /* iConfiguration */ \
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0xe0, /* bmAttributes */ \
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0, /* MaxPower */
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#define TEST_HUB_INTERFACE_ALT0_DESCRIPTOR \
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9, /* bLength */ \
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4, /* bDescriptorType */ \
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0, /* bInterfaceNumber */ \
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0, /* bAlternateSetting */ \
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1, /* bNumEndpoints */ \
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9, /* bInterfaceClass */ \
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0, /* bInterfaceSubClass */ \
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1, /* bInterfaceProtocol */ \
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0, /* iInterface */
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#define TEST_HUB_INTERFACE_ALT1_DESCRIPTOR \
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9, /* bLength */ \
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4, /* bDescriptorType */ \
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0, /* bInterfaceNumber */ \
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1, /* bAlternateSetting */ \
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1, /* bNumEndpoints */ \
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9, /* bInterfaceClass */ \
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0, /* bInterfaceSubClass */ \
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2, /* bInterfaceProtocol */ \
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0, /* iInterface */
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#define TEST_HUB_ENDPOINT_DESCRIPTOR \
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7, /* bLength */ \
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5, /* bDescriptorType */ \
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0x81, /* bEndpointAddress */ \
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0x03, /* bmAttributes */ \
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_LE16(1), /* wMaxPacketSize */ \
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12, /* bInterval */
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#define TEST_HUB_DESCRIPTOR \
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TEST_HUB_DEVICE_DESCRIPTOR \
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TEST_HUB_CONFIG_DESCRIPTOR \
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TEST_HUB_INTERFACE_ALT0_DESCRIPTOR \
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TEST_HUB_ENDPOINT_DESCRIPTOR \
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TEST_HUB_INTERFACE_ALT1_DESCRIPTOR \
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TEST_HUB_ENDPOINT_DESCRIPTOR
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#endif /* ZEPHYR_TEST_USB_HOST_SAMPLE_DESC_H_ */

‎tests/subsys/usb/host/class_api/prj.conf‎

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# Copyright (c) 2025 Nordic Semiconductor ASA
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# SPDX-License-Identifier: Apache-2.0
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CONFIG_LOG=y
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CONFIG_ZTEST=y
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CONFIG_USB_HOST_STACK=y
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CONFIG_UHC_DRIVER=y

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