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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/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_sources(app PRIVATE src/main.c)

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

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CONFIG_SYS_CLOCK_TICKS_PER_SEC=1000000

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

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CONFIG_SYS_CLOCK_TICKS_PER_SEC=1000000

‎tests/subsys/usb/host/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/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/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

‎tests/subsys/usb/host/src/main.c‎

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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 <zephyr/ztest.h>
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#include <zephyr/usb/usbh.h>
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#include <zephyr/usb/usbh.h>
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#include "usbh_ch9.h"
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#include "usbh_host.h"
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#include <zephyr/logging/log.h>
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LOG_MODULE_REGISTER(usb_test, LOG_LEVEL_INF);
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USBH_CONTROLLER_DEFINE(uhs_ctx, DEVICE_DT_GET(DT_NODELABEL(zephyr_uhc0)));
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static void *usb_test_enable(void)
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{
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int ret;
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ret = usbh_init(&uhs_ctx);
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zassert_ok(ret, "Failed to initialize USB host (%d)", ret);
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ret = usbh_enable(&uhs_ctx);
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zassert_ok(ret, "Failed to enable USB host (%d)", ret);
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ret = uhc_bus_reset(uhs_ctx.dev);
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zassert_ok(ret, "Failed to signal bus reset (%d)", ret);
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ret = uhc_bus_resume(uhs_ctx.dev);
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zassert_ok(ret, "Failed to signal bus resume (%d)", ret);
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ret = uhc_sof_enable(uhs_ctx.dev);
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zassert_ok(ret, "Failed to enable SoF generator (%d)", ret);
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LOG_INF("Host controller enabled");
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/* Allow the host time to reset the host. */
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k_msleep(200);
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return NULL;
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}
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static void usb_test_shutdown(void *f)
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{
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int ret;
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ret = usbh_disable(&uhs_ctx);
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zassert_ok(ret, "Failed to enable host support (%d)", ret);
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ret = usbh_shutdown(&uhs_ctx);
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zassert_ok(ret, "Failed to shutdown host support (%d)", ret);
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LOG_INF("Host controller disabled");
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}
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ZTEST_SUITE(host, NULL, usb_test_enable, NULL, NULL, usb_test_shutdown);

‎tests/subsys/usb/host/testcase.yaml‎

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tests:
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usb.host:
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platform_allow:
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- native_sim
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- native_sim/native/64
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- qemu_cortex_m3
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integration_platforms:
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- native_sim
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tags: usb
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usb.host.build_all:
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platform_allow:
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- native_sim
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- native_sim/native/64
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integration_platforms:
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- native_sim
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tags: usb
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build_only: true

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