/* This file tests _ux_device_class_hid_control_request(). Note that the 4 requests we're testing (GET_IDLE, SET_IDLE, GET_PROTOCOL, and SET_PROTOCOL) have yet to be implemented on the device; Therefore, right now, not much is done in the way of checking output. */ #include "usbx_test_common_hid.h" #include "ux_host_class_hid_keyboard.h" #include "ux_device_class_hid.h" #define DUMMY_USBX_MEMORY_SIZE (64*1024) static UCHAR dummy_usbx_memory[DUMMY_USBX_MEMORY_SIZE]; static UX_SLAVE_CLASS_HID * hid_device; static UCHAR event_buffer[8]; static UCHAR dummy_report[7]; static UCHAR buffer[64]; static UINT set_report_test_started; static UCHAR error_is_expected = UX_FALSE; 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); 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) { /* Failed test. */ if (!error_is_expected) { /* Ignore protocol errors. */ if (error_code == UX_TRANSFER_STALLED) return; printf("Error on line %d, system_level: %d, system_context: %d, error code: 0x%x\n", __LINE__, system_level, system_context, error_code); test_control_return(1); } } static VOID demo_hid_instance_activate(VOID *inst) { hid_device = (UX_SLAVE_CLASS_HID *)inst; } static VOID demo_hid_instance_deactivate(VOID *inst) { if ((VOID *)hid_device == inst) hid_device = UX_NULL; } /* Define what the initial system looks like. */ #ifdef CTEST void test_application_define(void *first_unused_memory) #else void usbx_ux_device_class_hid_control_request_test_application_define(void *first_unused_memory) #endif { UINT status; CHAR * stack_pointer; CHAR * memory_pointer; /* Inform user. */ printf("Running ux_device_hid_control_request 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; hid_parameter.ux_slave_class_hid_instance_activate = demo_hid_instance_activate; hid_parameter.ux_slave_class_hid_instance_deactivate = demo_hid_instance_deactivate; /* 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); } #if defined(UX_DEVICE_STANDALONE) /* Create the main device simulation thread. */ status = tx_thread_create(&tx_demo_thread_device_simulation, "tx demo device simulation", tx_demo_thread_device_simulation_entry, 0, stack_pointer + UX_DEMO_STACK_SIZE, UX_DEMO_STACK_SIZE, 20, 20, 1, TX_AUTO_START); /* Check for error. */ if (status != TX_SUCCESS) { printf("ERROR #%d, code 0x%x\n", __LINE__, status); test_control_return(1); } #endif } #if defined(UX_DEVICE_STANDALONE) static void tx_demo_thread_device_simulation_entry(ULONG arg) { while(1) { ux_system_tasks_run(); tx_thread_relinquish(); } } #endif static UINT demo_thread_hid_callback(UX_SLAVE_CLASS_HID *class, UX_SLAVE_CLASS_HID_EVENT *event) { UINT status; if (set_report_test_started == 1) { status = ux_utility_memory_compare(event -> ux_device_class_hid_event_buffer, dummy_report, sizeof(dummy_report)); if (status != UX_SUCCESS) { printf("Error on line %d, error code: 0x%x\n", __LINE__, status); test_control_return(1); } } return(UX_SUCCESS); } static void tx_demo_thread_host_simulation_entry(ULONG arg) { UINT status; UX_ENDPOINT *control_endpoint; UX_TRANSFER *transfer_request; UX_HOST_CLASS_HID_KEYBOARD *keyboard; UX_SLAVE_CLASS *slave_class; ULONG idle_time; ULONG report_id; UX_SLAVE_CLASS_HID_EVENT hid_event; UX_SLAVE_CLASS_HID *slave_hid; UINT max_get_report_attempts = 5; /* 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); /* Get the keyboard instance */ keyboard = (UX_HOST_CLASS_HID_KEYBOARD *)hid_client -> ux_host_class_hid_client_local_instance; /* Set idle time and report id. */ idle_time = 0; report_id = 0; /* Get the slave hid class and hid instance. */ slave_class = _ux_system_slave -> ux_system_slave_device.ux_slave_device_first_interface -> ux_slave_interface_class; slave_hid = _ux_system_slave -> ux_system_slave_device.ux_slave_device_first_interface -> ux_slave_interface_class_instance; /* Get the endpoint and transfer request. */ control_endpoint = &hid -> ux_host_class_hid_device -> ux_device_control_endpoint; transfer_request = &control_endpoint -> ux_endpoint_transfer_request; #if !defined(UX_DEVICE_STANDALONE) /* Suspend the device interrupt thread so it doesn't get take reports, thus preventing us from using a control transfer to get them. */ status = ux_utility_thread_suspend(&slave_class -> ux_slave_class_thread); if (status != UX_SUCCESS) { printf("Error on line %d, error code: 0x%x\n", __LINE__, status); test_control_return(1); } #else /* Set HID state to EXIT, no IDLE/Event processing. */ slave_hid -> ux_device_class_hid_event_state = UX_STATE_EXIT; tx_thread_sleep(1); #endif /* Set event buffer. */ event_buffer[0] = 0x01; event_buffer[1] = 0x02; event_buffer[2] = 0x03; event_buffer[3] = 0x04; event_buffer[4] = 0x05; event_buffer[5] = 0x06; event_buffer[6] = 0x07; event_buffer[7] = 0x08; /**************************************************/ /** Test case: 'case UX_DEVICE_CLASS_HID_COMMAND_GET_REPORT:' **/ /**************************************************/ /* Set the hid event. */ hid_event.ux_device_class_hid_event_length = sizeof(event_buffer); ux_utility_memory_copy(hid_event.ux_device_class_hid_event_buffer, event_buffer, hid_event.ux_device_class_hid_event_length); /* Add the event. */ status = ux_device_class_hid_event_set(slave_hid, &hid_event); if (status != UX_SUCCESS) { printf("Error on line %d, error code: 0x%x\n", __LINE__, status); test_control_return(1); } /* Create a transfer request for the GET_REPORT request. */ transfer_request -> ux_transfer_request_data_pointer = buffer; transfer_request -> ux_transfer_request_requested_length = hid_event.ux_device_class_hid_event_length; transfer_request -> ux_transfer_request_function = UX_HOST_CLASS_HID_GET_REPORT; transfer_request -> ux_transfer_request_type = UX_REQUEST_IN | UX_REQUEST_TYPE_CLASS | UX_REQUEST_TARGET_INTERFACE; transfer_request -> ux_transfer_request_value = (UINT)((UX_HOST_CLASS_HID_REPORT_TYPE_INPUT << 8) | report_id); transfer_request -> ux_transfer_request_index = hid -> ux_host_class_hid_interface -> ux_interface_descriptor.bInterfaceNumber; /* Send request to HCD layer. */ status = ux_host_stack_transfer_request(transfer_request); if (status != UX_SUCCESS) { printf("Error on line %d, error code: 0x%x\n", __LINE__, status); test_control_return(1); } status = ux_utility_memory_compare(buffer, event_buffer, hid_event.ux_device_class_hid_event_length); if (status != UX_SUCCESS) { printf("Error on line %d, error code: 0x%x\n", __LINE__, status); test_control_return(1); } /**************************************************/ /** Test case: 'case UX_DEVICE_CLASS_HID_COMMAND_SET_REPORT:' **/ /**************************************************/ /* Create a transfer request for the SET_REPORT request. */ /* NOTE: Right now, the size of the dummy report must not be 8 bytes. This is due to a bug in sim_transaction_schedule(). Refer to bug file. */ transfer_request -> ux_transfer_request_data_pointer = dummy_report; transfer_request -> ux_transfer_request_requested_length = sizeof(dummy_report); transfer_request -> ux_transfer_request_function = UX_HOST_CLASS_HID_SET_REPORT; transfer_request -> ux_transfer_request_type = UX_REQUEST_OUT | UX_REQUEST_TYPE_CLASS | UX_REQUEST_TARGET_INTERFACE; transfer_request -> ux_transfer_request_value = (UINT)((UX_HOST_CLASS_HID_REPORT_TYPE_OUTPUT << 8) | report_id); transfer_request -> ux_transfer_request_index = hid -> ux_host_class_hid_interface -> ux_interface_descriptor.bInterfaceNumber; set_report_test_started = 1; /* Send request to HCD layer. */ status = ux_host_stack_transfer_request(transfer_request); if (status != UX_SUCCESS) { printf("Error on line %d, error code: 0x%x\n", __LINE__, status); test_control_return(1); } /**************************************************/ /** Test case: 'case UX_DEVICE_CLASS_HID_COMMAND_GET_IDLE:' **/ /**************************************************/ /* Create a transfer request for the GET_IDLE request. */ transfer_request -> ux_transfer_request_data_pointer = UX_NULL; transfer_request -> ux_transfer_request_requested_length = 0; transfer_request -> ux_transfer_request_function = UX_HOST_CLASS_HID_GET_IDLE; transfer_request -> ux_transfer_request_type = UX_REQUEST_IN | UX_REQUEST_TYPE_CLASS | UX_REQUEST_TARGET_INTERFACE; transfer_request -> ux_transfer_request_value = (UINT)((idle_time << 8) | report_id); transfer_request -> ux_transfer_request_index = hid -> ux_host_class_hid_interface -> ux_interface_descriptor.bInterfaceNumber; /* Send request to HCD layer. */ status = ux_host_stack_transfer_request(transfer_request); if (status != UX_SUCCESS) { printf("Error on line %d, error code: 0x%x\n", __LINE__, status); test_control_return(1); } /**************************************************/ /** Test case: 'case UX_DEVICE_CLASS_HID_COMMAND_SET_IDLE:' **/ /**************************************************/ /* Create a transfer request for the SET_IDLE request. */ transfer_request -> ux_transfer_request_data_pointer = UX_NULL; transfer_request -> ux_transfer_request_requested_length = 0; transfer_request -> ux_transfer_request_function = UX_HOST_CLASS_HID_SET_IDLE; transfer_request -> ux_transfer_request_type = UX_REQUEST_OUT | UX_REQUEST_TYPE_CLASS | UX_REQUEST_TARGET_INTERFACE; transfer_request -> ux_transfer_request_value = (UINT)((idle_time << 8) | report_id); transfer_request -> ux_transfer_request_index = hid -> ux_host_class_hid_interface -> ux_interface_descriptor.bInterfaceNumber; /* Send request to HCD layer. */ status = ux_host_stack_transfer_request(transfer_request); if (status != UX_SUCCESS) { printf("Error on line %d, error code: 0x%x\n", __LINE__, status); test_control_return(1); } /**************************************************/ /** Test case: 'case UX_DEVICE_CLASS_HID_COMMAND_GET_PROTOCOL:' **/ /**************************************************/ /* Default protocol should be report protocol. */ if (ux_device_class_hid_protocol_get(hid_device) != 1) { printf("Error on line %d, error code: 0x%x\n", __LINE__, status); test_control_return(1); } /* Create a transfer request for the GET_PROTOCOL request. */ transfer_request -> ux_transfer_request_data_pointer = dummy_report; transfer_request -> ux_transfer_request_requested_length = 1; transfer_request -> ux_transfer_request_function = UX_HOST_CLASS_HID_GET_PROTOCOL; transfer_request -> ux_transfer_request_type = UX_REQUEST_IN | UX_REQUEST_TYPE_CLASS | UX_REQUEST_TARGET_INTERFACE; transfer_request -> ux_transfer_request_value = 0; transfer_request -> ux_transfer_request_index = hid -> ux_host_class_hid_interface -> ux_interface_descriptor.bInterfaceNumber; /* Send request to HCD layer. */ dummy_report[0] = 0xFF; status = ux_host_stack_transfer_request(transfer_request); if (status != UX_SUCCESS && status != UX_TRANSFER_STALLED) { printf("Error on line %d, error code: 0x%x\n", __LINE__, status); test_control_return(1); } /* Before protocol change it must be report protocol (1). */ if (status == UX_SUCCESS && dummy_report[0] != 1) { printf("Error on line %d, error code: 0x%x\n", __LINE__, status); test_control_return(1); } /**************************************************/ /** Test case: 'case UX_DEVICE_CLASS_HID_COMMAND_SET_PROTOCOL:' **/ /**************************************************/ /* Create a transfer request for the SET_PROTOCOL request. */ transfer_request -> ux_transfer_request_data_pointer = UX_NULL; transfer_request -> ux_transfer_request_requested_length = 0; transfer_request -> ux_transfer_request_function = UX_HOST_CLASS_HID_SET_PROTOCOL; transfer_request -> ux_transfer_request_type = UX_REQUEST_OUT | UX_REQUEST_TYPE_CLASS | UX_REQUEST_TARGET_INTERFACE; transfer_request -> ux_transfer_request_value = 0; /* boot report */ transfer_request -> ux_transfer_request_index = hid -> ux_host_class_hid_interface -> ux_interface_descriptor.bInterfaceNumber; /* Send request to HCD layer. */ status = ux_host_stack_transfer_request(transfer_request); if (status != UX_SUCCESS && status != UX_TRANSFER_STALLED) { printf("Error on line %d, error code: 0x%x\n", __LINE__, status); test_control_return(1); } /* Protocol should be boot protocol. */ if (status == UX_SUCCESS && ux_device_class_hid_protocol_get(hid_device) != 0) { printf("Error on line %d, error code: 0x%x\n", __LINE__, status); test_control_return(1); } /* Create a transfer request for the GET_PROTOCOL request. */ transfer_request -> ux_transfer_request_data_pointer = dummy_report; transfer_request -> ux_transfer_request_requested_length = 1; transfer_request -> ux_transfer_request_function = UX_HOST_CLASS_HID_GET_PROTOCOL; transfer_request -> ux_transfer_request_type = UX_REQUEST_IN | UX_REQUEST_TYPE_CLASS | UX_REQUEST_TARGET_INTERFACE; transfer_request -> ux_transfer_request_value = 0; transfer_request -> ux_transfer_request_index = hid -> ux_host_class_hid_interface -> ux_interface_descriptor.bInterfaceNumber; /* Send request to HCD layer. */ dummy_report[0] = 0xFF; status = ux_host_stack_transfer_request(transfer_request); if (status != UX_SUCCESS && status != UX_TRANSFER_STALLED) { printf("Error on line %d, error code: 0x%x\n", __LINE__, status); test_control_return(1); } /* After protocol change it must be boot device (0). */ if (status == UX_SUCCESS && dummy_report[0] != 0) { printf("Error on line %d, error code: 0x%x\n", __LINE__, status); test_control_return(1); } /**************************************************/ /** Test case: 'default:' (unknown request) **/ /**************************************************/ /* Create a transfer request for the an unknown request. */ transfer_request -> ux_transfer_request_data_pointer = UX_NULL; transfer_request -> ux_transfer_request_requested_length = 0; transfer_request -> ux_transfer_request_function = 0xdeadbeef; transfer_request -> ux_transfer_request_type = UX_REQUEST_OUT | UX_REQUEST_TYPE_CLASS | UX_REQUEST_TARGET_INTERFACE; transfer_request -> ux_transfer_request_value = 0; transfer_request -> ux_transfer_request_index = hid -> ux_host_class_hid_interface -> ux_interface_descriptor.bInterfaceNumber; /* We expect error here */ error_is_expected = UX_TRUE; /* Send request to HCD layer. */ status = ux_host_stack_transfer_request(transfer_request); if (status == UX_SUCCESS) { printf("Error on line %d, report error expected here\n", __LINE__); test_control_return(1); } error_is_expected = UX_FALSE; /* 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); }