/***************************************************************************/ /* 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 */ /***************************************************************************/ #include "usbx_test_common_hid.h" #include "ux_host_class_hid_keyboard.h" #include "tx_thread.h" #define DUMMY_USBX_MEMORY_SIZE (64*1024) static UCHAR dummy_usbx_memory[DUMMY_USBX_MEMORY_SIZE]; static UCHAR hid_report_descriptor[] = { 0x05, 0x01, // USAGE_PAGE (Generic Desktop) 0x09, 0x06, // USAGE (Keyboard) 0xa1, 0x01, // COLLECTION (Application) 0x05, 0x07, // USAGE_PAGE (Keyboard) 0x19, 0xe0, // USAGE_MINIMUM (Keyboard LeftControl) 0x29, 0xe7, // USAGE_MAXIMUM (Keyboard Right GUI) 0x15, 0x00, // LOGICAL_MINIMUM (0) 0x25, 0x01, // LOGICAL_MAXIMUM (1) 0x75, 0x01, // REPORT_SIZE (1) 0x95, 0x08, // REPORT_COUNT (8) 0x81, 0x02, // INPUT (Data,Var,Abs) 0x95, 0x01, // REPORT_COUNT (1) 0x75, 0x08, // REPORT_SIZE (8) 0x81, 0x03, // INPUT (Cnst,Var,Abs) 0x95, 0x05, // REPORT_COUNT (5) 0x75, 0x01, // REPORT_SIZE (1) 0x05, 0x08, // USAGE_PAGE (LEDs) 0x19, 0x01, // USAGE_MINIMUM (Num Lock) 0x29, 0x05, // USAGE_MAXIMUM (Kana) 0x91, 0x02, // OUTPUT (Data,Var,Abs) 0x95, 0x01, // REPORT_COUNT (1) 0x75, 0x03, // REPORT_SIZE (3) 0x91, 0x03, // OUTPUT (Cnst,Var,Abs) 0x95, 0x06, // REPORT_COUNT (6) 0x75, 0x08, // REPORT_SIZE (8) 0x15, 0x00, // LOGICAL_MINIMUM (0) 0x25, 0x65, // LOGICAL_MAXIMUM (101) 0x05, 0x07, // USAGE_PAGE (Keyboard) 0x19, 0x00, // USAGE_MINIMUM (Reserved (no event indicated)) 0x29, 0x65, // USAGE_MAXIMUM (Keyboard Application) 0x81, 0x00, // INPUT (Data,Ary,Abs) 0xc0 // END_COLLECTION }; #define HID_REPORT_LENGTH sizeof(hid_report_descriptor)/sizeof(hid_report_descriptor[0]) #define DEVICE_FRAMEWORK_LENGTH_FULL_SPEED 52 static UCHAR device_framework_full_speed[DEVICE_FRAMEWORK_LENGTH_FULL_SPEED] = { /* Device descriptor */ 0x12, 0x01, 0x10, 0x01, 0x00, 0x00, 0x00, 0x08, 0x81, 0x0A, 0x01, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, /* Configuration descriptor */ 0x09, 0x02, 0x22, 0x00, 0x01, 0x01, 0x00, 0xc0, 0x32, /* Interface descriptor */ 0x09, 0x04, 0x02, 0x00, 0x01, 0x03, 0x00, 0x00, 0x00, /* HID descriptor */ 0x09, 0x21, 0x10, 0x01, 0x21, 0x01, 0x22, LSB(HID_REPORT_LENGTH), MSB(HID_REPORT_LENGTH), /* Endpoint descriptor (Interrupt) */ 0x07, 0x05, 0x82, 0x03, 0x08, 0x00, 0x08 }; #define DEVICE_FRAMEWORK_LENGTH_HIGH_SPEED 62 static UCHAR device_framework_high_speed[DEVICE_FRAMEWORK_LENGTH_HIGH_SPEED] = { /* Device descriptor */ 0x12, 0x01, 0x00, 0x02, 0x00, 0x00, 0x00, 0x40, 0x0a, 0x07, 0x25, 0x40, 0x01, 0x00, 0x01, 0x02, 0x03, 0x01, /* Device qualifier descriptor */ 0x0a, 0x06, 0x00, 0x02, 0x00, 0x00, 0x00, 0x40, 0x01, 0x00, /* Configuration descriptor */ 0x09, 0x02, 0x22, 0x00, 0x01, 0x01, 0x00, 0xc0, 0x32, /* Interface descriptor */ 0x09, 0x04, 0x02, 0x00, 0x01, 0x03, 0x00, 0x00, 0x00, /* HID descriptor */ 0x09, 0x21, 0x10, 0x01, 0x21, 0x01, 0x22, LSB(HID_REPORT_LENGTH), MSB(HID_REPORT_LENGTH), /* Endpoint descriptor (Interrupt) */ 0x07, 0x05, 0x82, 0x03, 0x08, 0x00, 0x08 }; /* String Device Framework : Byte 0 and 1 : Word containing the language ID : 0x0904 for US Byte 2 : Byte containing the index of the descriptor Byte 3 : Byte containing the length of the descriptor string */ #define STRING_FRAMEWORK_LENGTH 40 static UCHAR string_framework[] = { /* Manufacturer string descriptor : Index 1 */ 0x09, 0x04, 0x01, 0x0c, 0x45, 0x78, 0x70, 0x72,0x65, 0x73, 0x20, 0x4c, 0x6f, 0x67, 0x69, 0x63, /* Product string descriptor : Index 2 */ 0x09, 0x04, 0x02, 0x0c, 0x55, 0x53, 0x42, 0x20, 0x4b, 0x65, 0x79, 0x62, 0x6f, 0x61, 0x72, 0x64, /* Serial Number string descriptor : Index 3 */ 0x09, 0x04, 0x03, 0x04, 0x30, 0x30, 0x30, 0x31 }; /* Multiple languages are supported on the device, to add a language besides english, the unicode language code must be appended to the language_id_framework array and the length adjusted accordingly. */ #define LANGUAGE_ID_FRAMEWORK_LENGTH 2 static UCHAR language_id_framework[] = { /* English. */ 0x09, 0x04 }; UINT _ux_hcd_sim_host_entry(UX_HCD *hcd, UINT function, VOID *parameter); UINT _ux_host_class_hid_keyboard_activate(UX_HOST_CLASS_HID_CLIENT_COMMAND *); static UINT ux_system_host_change_function(ULONG a, UX_HOST_CLASS *b, VOID *c) { return 0; } static VOID error_callback(UINT system_level, UINT system_context, UINT error_code) { } /* Define what the initial system looks like. */ #ifdef CTEST void test_application_define(void *first_unused_memory) #else void usbx_ux_host_class_hid_keyboard_activate_test_application_define(void *first_unused_memory) #endif { UINT status; CHAR * stack_pointer; CHAR * memory_pointer; /* Inform user. */ printf("Running ux_host_class_hid_keyboard_activate Test.................... "); /* Initialize the free memory pointer */ stack_pointer = (CHAR *) usbx_memory; memory_pointer = stack_pointer + (UX_DEMO_STACK_SIZE * 2); /* Initialize USBX. Memory */ status = ux_system_initialize(memory_pointer, UX_DEMO_MEMORY_SIZE, UX_NULL,0); /* Check for error. */ if (status != UX_SUCCESS) { printf("Error on line %d, error code: 0x%x\n", __LINE__, status); test_control_return(1); } /* Register the error callback. */ _ux_utility_error_callback_register(error_callback); /* The code below is required for installing the host portion of USBX */ status = ux_host_stack_initialize(ux_system_host_change_function); if (status != UX_SUCCESS) { printf("Error on line %d, error code: 0x%x\n", __LINE__, status); test_control_return(1); } status = ux_host_stack_class_register(_ux_system_host_class_hid_name, ux_host_class_hid_entry); if (status != UX_SUCCESS) { printf("Error on line %d, error code: 0x%x\n", __LINE__, status); test_control_return(1); } /* Register the HID client(s). */ status = ux_host_class_hid_client_register(_ux_system_host_class_hid_client_keyboard_name, ux_host_class_hid_keyboard_entry); if (status != UX_SUCCESS) { printf("Error on line %d, error code: 0x%x\n", __LINE__, status); test_control_return(1); } /* The code below is required for installing the device portion of USBX. No call back for device status change in this example. */ status = ux_device_stack_initialize(device_framework_high_speed, DEVICE_FRAMEWORK_LENGTH_HIGH_SPEED, device_framework_full_speed, DEVICE_FRAMEWORK_LENGTH_FULL_SPEED, string_framework, STRING_FRAMEWORK_LENGTH, language_id_framework, LANGUAGE_ID_FRAMEWORK_LENGTH,UX_NULL); if(status!=UX_SUCCESS) { printf("Error on line %d, error code: 0x%x\n", __LINE__, status); test_control_return(1); } /* Initialize the hid class parameters. */ hid_parameter.ux_device_class_hid_parameter_report_address = hid_report_descriptor; hid_parameter.ux_device_class_hid_parameter_report_length = HID_REPORT_LENGTH; hid_parameter.ux_device_class_hid_parameter_callback = demo_thread_hid_callback; /* Initilize the device hid class. The class is connected with interface 2 */ status = ux_device_stack_class_register(_ux_system_slave_class_hid_name, ux_device_class_hid_entry, 1,2, (VOID *)&hid_parameter); if(status!=UX_SUCCESS) { printf("Error on line %d, error code: 0x%x\n", __LINE__, status); test_control_return(1); } /* Initialize the simulated device controller. */ status = _ux_dcd_sim_slave_initialize(); /* Check for error. */ if (status != UX_SUCCESS) { printf("Error on line %d, error code: 0x%x\n", __LINE__, status); test_control_return(1); } /* Register all the USB host controllers available in this system */ status = ux_host_stack_hcd_register(_ux_system_host_hcd_simulator_name, ux_hcd_sim_host_initialize,0,0); /* Check for error. */ if (status != UX_SUCCESS) { printf("Error on line %d, error code: 0x%x\n", __LINE__, status); test_control_return(1); } /* Create the main host simulation thread. */ status = tx_thread_create(&tx_demo_thread_host_simulation, "tx demo host simulation", tx_demo_thread_host_simulation_entry, 0, stack_pointer, UX_DEMO_STACK_SIZE, 20, 20, 1, TX_AUTO_START); /* Check for error. */ if (status != TX_SUCCESS) { printf("Error on line %d, error code: 0x%x\n", __LINE__, status); test_control_return(1); } } static void tx_demo_thread_host_simulation_entry(ULONG arg) { UINT status; UX_HOST_CLASS_HID_CLIENT_COMMAND client_command; UX_MEMORY_BLOCK *dummy_memory_block_first = (UX_MEMORY_BLOCK *)dummy_usbx_memory; UX_MEMORY_BLOCK *original_memory_block = (UX_MEMORY_BLOCK *)_ux_system -> ux_system_memory_byte_pool[UX_MEMORY_BYTE_POOL_REGULAR] -> ux_byte_pool_start; UX_HOST_CLASS_HID_KEYBOARD *keyboard_instance; TX_SEMAPHORE keyboard_instance_semaphore_copy; ALIGN_TYPE tmp; /* Find the HID class */ status = demo_class_hid_get(); if (status != UX_SUCCESS) { printf("Error on line %d, error code: 0x%x\n", __LINE__, status); test_control_return(1); } /* Get the HID client */ hid_client = hid -> ux_host_class_hid_client; /* Check if the instance of the keyboard is live */ while (hid_client -> ux_host_class_hid_client_local_instance == UX_NULL) tx_thread_sleep(10); /**************************************************/ /** Test case: status = _ux_host_class_hid_report_id_get(hid, &report_id); fails **/ /** NOTE: PAIN IN THE ASS **/ /**************************************************/ #if 0 /* @BUG_FIX_PENDING */ /**************************************************/ /** Test case: status = _ux_utility_thread_create(&keyboard_instance -> ux_host_class_hid_keyboard_thread, "ux_host_stack_keyboard_thread",_ux_host_class_hid_keyboard_thread, (ULONG)keyboard_instance, keyboard_instance -> ux_host_class_hid_keyboard_thread_stack, UX_THREAD_STACK_SIZE, UX_THREAD_PRIORITY_KEYBOARD, UX_THREAD_PRIORITY_KEYBOARD, UX_NO_TIME_SLICE, TX_AUTO_START); fails **/ /**************************************************/ client_command.ux_host_class_hid_client_command_instance = hid; /* Allocate a keyboard instance like keyboard_activate(). */ keyboard_instance = (UX_HOST_CLASS_HID_KEYBOARD *) _ux_utility_memory_allocate(UX_NO_ALIGN, UX_REGULAR_MEMORY, sizeof(UX_HOST_CLASS_HID_KEYBOARD)); if (keyboard_instance == UX_NULL) { printf("Error on line %d\n", __LINE__); test_control_return(1); } keyboard_instance -> ux_host_class_hid_keyboard_thread_stack = keyboard_thread_stack; /* Create the thread like keyboard_activate(). NOTE: in order to prevent ux_host_class_hid_keyboard_thread from running infinitely and not letting us run, we change TX_AUTO_START to TX_DONT_START. */ status = _ux_utility_thread_create(&keyboard_instance -> ux_host_class_hid_keyboard_thread, "ux_host_stack_keyboard_thread",_ux_host_class_hid_keyboard_thread, (ULONG)keyboard_instance, keyboard_instance -> ux_host_class_hid_keyboard_thread_stack, UX_THREAD_STACK_SIZE, UX_THREAD_PRIORITY_KEYBOARD, UX_THREAD_PRIORITY_KEYBOARD, UX_NO_TIME_SLICE, TX_DONT_START); if (status != UX_SUCCESS) { printf("Error on line %d, error code: 0x%x\n", __LINE__, status); test_control_return(1); } /* Make a copy of the thread. */ keyboard_instance_thread_copy = keyboard_instance -> ux_host_class_hid_keyboard_thread; /* Free the memory so keyboard_activate() uses the same memory as us, which will cause threadx to detect a thread duplicate. */ ux_utility_memory_free(keyboard_instance); status = _ux_host_class_hid_keyboard_activate(&client_command); if (status != UX_THREAD_ERROR) { printf("Error on line %d, error code: 0x%x\n", __LINE__, status); test_control_return(1); } /* ux_utility_memory_allocate() zero'd out our keyboard instance semaphore! Good thing we made a copy! */ keyboard_instance -> ux_host_class_hid_keyboard_thread = keyboard_instance_thread_copy; /* Restore state for next test. */ status = ux_utility_thread_delete(&keyboard_instance -> ux_host_class_hid_keyboard_thread); if (status != UX_SUCCESS) { printf("Error on line %d, error code: 0x%x\n", __LINE__, status); test_control_return(1); } #endif /**************************************************/ /** Test case: status = _ux_utility_semaphore_create(&keyboard_instance -> ux_host_class_hid_keyboard_semaphore, "ux_host_class_hid_keyboard_semaphore", 0); fails **/ /**************************************************/ client_command.ux_host_class_hid_client_command_instance = hid; /* Allocate a keyboard instance like keyboard_activate(). */ keyboard_instance = (UX_HOST_CLASS_HID_KEYBOARD *) _ux_utility_memory_allocate(UX_NO_ALIGN, UX_REGULAR_MEMORY, sizeof(UX_HOST_CLASS_HID_KEYBOARD)); if (keyboard_instance == UX_NULL) { printf("Error on line %d\n", __LINE__); test_control_return(1); } /* Create the semaphore like keyboard_activate(). */ status = _ux_utility_semaphore_create(&keyboard_instance -> ux_host_class_hid_keyboard_semaphore, "ux_host_class_hid_keyboard_semaphore", 0); if (status != UX_SUCCESS) { printf("Error on line %d, error code: 0x%x\n", __LINE__, status); test_control_return(1); } /* Make a copy of the semaphore. */ keyboard_instance_semaphore_copy = keyboard_instance -> ux_host_class_hid_keyboard_semaphore; /* Free the memory so keyboard_activate() uses the same memory as us, which will cause threadx to detect a semaphore duplicate. */ ux_utility_memory_free(keyboard_instance); status = _ux_host_class_hid_keyboard_activate(&client_command); if (status != UX_SEMAPHORE_ERROR) { printf("Error on line %d, error code: 0x%x\n", __LINE__, status); test_control_return(1); } /* ux_utility_memory_allocate() zero'd out our keyboard instance semaphore! Good thing we made a copy! */ keyboard_instance -> ux_host_class_hid_keyboard_semaphore = keyboard_instance_semaphore_copy; /* Restore state for next test. */ status = ux_utility_semaphore_delete(&keyboard_instance -> ux_host_class_hid_keyboard_semaphore); if (status != UX_SUCCESS) { printf("Error on line %d, error code: 0x%x\n", __LINE__, status); test_control_return(1); } #if 0 /* Tested by HID basic memory tests. */ /**************************************************/ /** Test case: keyboard_instance = (UX_HOST_CLASS_HID_KEYBOARD *) _ux_utility_memory_allocate(UX_NO_ALIGN, UX_REGULAR_MEMORY, sizeof(UX_HOST_CLASS_HID_KEYBOARD)); fails. **/ /**************************************************/ /* Set up the dummy memory block. */ dummy_memory_block_first -> ux_memory_block_next = UX_NULL; dummy_memory_block_first -> ux_memory_block_previous = UX_NULL; dummy_memory_block_first -> ux_memory_block_status = UX_MEMORY_UNUSED; dummy_memory_block_first -> ux_memory_block_size = 0; _ux_system -> ux_system_regular_memory_pool_start = dummy_memory_block_first; /* Set the command. */ client_command.ux_host_class_hid_client_command_instance = hid; status = _ux_host_class_hid_keyboard_activate(&client_command); if (status != UX_MEMORY_INSUFFICIENT) { printf("Error on line %d, error code: 0x%x\n", __LINE__, status); test_control_return(1); } /* Restore state for next test. */ _ux_system -> ux_system_regular_memory_pool_start = original_memory_block; /**************************************************/ /** Test case: keyboard_instance -> ux_host_class_hid_keyboard_usage_array = (ULONG *) _ux_utility_memory_allocate(UX_NO_ALIGN, UX_REGULAR_MEMORY, UX_HOST_CLASS_HID_KEYBOARD_USAGE_ARRAY_LENGTH*4); fails. **/ /**************************************************/ /* Set up the dummy memory block. */ dummy_memory_block_first -> ux_memory_block_next = UX_NULL; dummy_memory_block_first -> ux_memory_block_previous = UX_NULL; dummy_memory_block_first -> ux_memory_block_status = UX_MEMORY_UNUSED; dummy_memory_block_first -> ux_memory_block_size = 0x132; _ux_system -> ux_system_regular_memory_pool_start = dummy_memory_block_first; /* Set the command. */ client_command.ux_host_class_hid_client_command_instance = hid; status = _ux_host_class_hid_keyboard_activate(&client_command); if (status != UX_MEMORY_INSUFFICIENT) { printf("Error on line %d, error code: 0x%x\n", __LINE__, status); test_control_return(1); } /* Restore state for next test. */ _ux_system -> ux_system_regular_memory_pool_start = original_memory_block; #endif /**************************************************/ /** Test case: _ux_host_class_hid_report_id_get() fails. **/ /** Why direct: This is the first time _ux_host_class_hid_report_id_get() is called, and it only fails normally after being called more than once. **/ /**************************************************/ /* Cause UX_HOST_CLASS_HID_REPORT_TYPE_INPUT in _ux_host_class_hid_report_id_get() to fail. */ tmp = (ALIGN_TYPE)hid -> ux_host_class_hid_parser.ux_host_class_hid_parser_input_report; hid -> ux_host_class_hid_parser.ux_host_class_hid_parser_input_report = UX_NULL; /* Set the command. */ client_command.ux_host_class_hid_client_command_instance = hid; status = _ux_host_class_hid_keyboard_activate(&client_command); if (status != UX_HOST_CLASS_HID_REPORT_ERROR) { printf("Error on line %d, error code: 0x%x\n", __LINE__, status); test_control_return(1); } /* Restore state for next test. */ hid -> ux_host_class_hid_parser.ux_host_class_hid_parser_input_report = (UX_HOST_CLASS_HID_REPORT *)tmp; /* Cause UX_HOST_CLASS_HID_REPORT_TYPE_OUTPUT in _ux_host_class_hid_report_id_get() to fail. */ tmp = (ALIGN_TYPE)hid -> ux_host_class_hid_parser.ux_host_class_hid_parser_output_report; hid -> ux_host_class_hid_parser.ux_host_class_hid_parser_output_report = UX_NULL; /* Set the command. */ client_command.ux_host_class_hid_client_command_instance = hid; status = _ux_host_class_hid_keyboard_activate(&client_command); if (status != UX_HOST_CLASS_HID_REPORT_ERROR) { printf("Error on line %d, error code: 0x%x\n", __LINE__, status); test_control_return(1); } /* Restore state for next test. */ hid -> ux_host_class_hid_parser.ux_host_class_hid_parser_output_report = (UX_HOST_CLASS_HID_REPORT *)tmp; #if 0 /* @BUG_FIX_PENDING: Right now, this test fails due to a bug in _ux_host_class_hid_idle_set.c where the status is lost. */ /**************************************************/ /** Test case: _ux_host_class_hid_idle_set() fails. **/ /**************************************************/ /* Set device state to an unknown state, thus causing the transfer request to fail. */ tmp = hid -> ux_host_class_hid_interrupt_endpoint -> ux_endpoint_device -> ux_device_state; hid -> ux_host_class_hid_interrupt_endpoint -> ux_endpoint_device -> ux_device_state = 0xdeadbeef; /* Set the command. */ client_command.ux_host_class_hid_client_command_instance = hid; status = _ux_host_class_hid_keyboard_activate(&client_command); if (status == UX_SUCCESS) { printf("Error on line %d, error code: 0x%x\n", __LINE__, status); test_control_return(1); } /* Restore state for next test. */ hid -> ux_host_class_hid_interrupt_endpoint -> ux_endpoint_device -> ux_device_state = tmp; #endif /**************************************************/ /** Test case: _ux_host_class_hid_report_callback_register() fails. **/ /** Why direct: one reasonable way _ux_host_class_hid_report_callback_register() can fail is if it can't find the specified report; **/ /** however, _ux_host_class_hid_keyboard_activate() calls it with a known-to-exist report. the other way is that the hid **/ /** parser doesn't have any input reports, which would be a user error since it makes no sense to have no input reports. **/ /**************************************************/ /* Make sure it can't find . */ tmp = (ALIGN_TYPE)hid -> ux_host_class_hid_parser.ux_host_class_hid_parser_input_report; hid -> ux_host_class_hid_parser.ux_host_class_hid_parser_input_report = UX_NULL; /* Set the command. */ client_command.ux_host_class_hid_client_command_instance = hid; status = _ux_host_class_hid_keyboard_activate(&client_command); if (status == UX_SUCCESS) { printf("Error on line %d, error code: 0x%x\n", __LINE__, status); test_control_return(1); } /* Restore state for next test. */ hid -> ux_host_class_hid_parser.ux_host_class_hid_parser_input_report = (UX_HOST_CLASS_HID_REPORT *)tmp; /**************************************************/ /** Test case: insufficient memory for keyboard thread stack. **/ /**************************************************/ /* Set up the dummy memory block. */ dummy_memory_block_first -> ux_memory_block_next = UX_NULL; dummy_memory_block_first -> ux_memory_byte_pool = UX_NULL; // dummy_memory_block_first -> ux_memory_block_previous = UX_NULL; // dummy_memory_block_first -> ux_memory_block_status = UX_MEMORY_UNUSED; // dummy_memory_block_first -> ux_memory_block_size = 0x300; _ux_system -> ux_system_memory_byte_pool[UX_MEMORY_BYTE_POOL_REGULAR] -> ux_byte_pool_start = (CHAR*)dummy_memory_block_first; /* Set the command. */ client_command.ux_host_class_hid_client_command_instance = hid; status = _ux_host_class_hid_keyboard_activate(&client_command); if (status != UX_MEMORY_INSUFFICIENT) { printf("Error on line %d, error code: 0x%x\n", __LINE__, status); test_control_return(1); } /* Restore state for next test. */ _ux_system -> ux_system_memory_byte_pool[UX_MEMORY_BYTE_POOL_REGULAR] -> ux_byte_pool_start = (CHAR*)original_memory_block; /* Now disconnect the device. */ _ux_device_stack_disconnect(); /* And deinitialize the class. */ status = ux_device_stack_class_unregister(_ux_system_slave_class_hid_name, ux_device_class_hid_entry); /* Deinitialize the device side of usbx. */ _ux_device_stack_uninitialize(); /* And finally the usbx system resources. */ _ux_system_uninitialize(); /* Successful test. */ printf("SUCCESS!\n"); test_control_return(0); } static UINT demo_thread_hid_callback(UX_SLAVE_CLASS_HID *class, UX_SLAVE_CLASS_HID_EVENT *event) { return(UX_SUCCESS); }