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/***************************************************************************/
/* Copyright (c) 2024 Microsoft Corporation */
/* Copyright (c) 2026 Eclipse ThreadX contributors */
/* */
/* This program and the accompanying materials are made available under */
/* the terms of the MIT License which is available at */
/* https://opensource.org/licenses/MIT. */
/* */
/* SPDX-License-Identifier: MIT */
/***************************************************************************/
/* This tests the case where the host sets the device's alternate setting to
zero. */
#include "usbx_ux_test_cdc_ecm.h"
#include "ux_host_stack.h"
static UCHAR host_ready_for_basic_test;
/* Define what the initial system looks like. */
#ifdef CTEST
void test_application_define(void *first_unused_memory)
#else
void usbx_cdc_ecm_alternate_setting_change_to_zero_test_application_define(void *first_unused_memory)
#endif
{
/* Inform user. */
printf("Running CDC ECM Alternate Setting Change To Zero Test............... ");
stepinfo("\n");
ux_test_cdc_ecm_initialize(first_unused_memory);
}
static void post_init_host()
{
/* Change the data interface alternate setting to zero. */
_ux_host_stack_interface_set(cdc_ecm_host->ux_host_class_cdc_ecm_interface_data);
/* Wait for the host to change settings, which means the device has too. */
UX_TEST_CHECK_SUCCESS(ux_test_wait_for_value_ulong(&cdc_ecm_host->ux_host_class_cdc_ecm_link_state, 0));
/* Change the data interface alternate setting back to one. */
_ux_host_stack_interface_set(cdc_ecm_host->ux_host_class_cdc_ecm_interface_data->ux_interface_next_interface);
/* Wait for the host to change settings, which means the device has too. */
UX_TEST_CHECK_SUCCESS(ux_test_wait_for_value_ulong(&cdc_ecm_host->ux_host_class_cdc_ecm_link_state, 1));
/* Try a basic test. */
host_ready_for_basic_test = 1;
cdc_ecm_basic_test(BASIC_TEST_HOST, BASIC_TEST_TCP);
/* Huzzah! */
/* Change the data interface alternate setting to zero again - this time, with no deactivate callback. */
cdc_ecm_device->ux_slave_class_cdc_ecm_parameter.ux_slave_class_cdc_ecm_instance_deactivate = UX_NULL;
_ux_host_stack_interface_set(cdc_ecm_host->ux_host_class_cdc_ecm_interface_data);
/* Wait for the host to change settings, which means the device has too. */
UX_TEST_CHECK_SUCCESS(ux_test_wait_for_value_ulong(&cdc_ecm_host->ux_host_class_cdc_ecm_link_state, 0));
/* Huzzah! Again! */
}
static void post_init_device()
{
/* Wait for basic test. */
UX_TEST_CHECK_SUCCESS(ux_test_wait_for_value_uchar(&host_ready_for_basic_test, 1));
cdc_ecm_basic_test(BASIC_TEST_DEVICE, BASIC_TEST_TCP);
}
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