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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 ensures that when the device stalls the default endpoint upon an invalid request, it is unstalled after sending a valid request. */
#include "usbx_test_common_hid.h"
#include "ux_host_class_hid_keyboard.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);
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)
{
if (error_code != UX_TRANSFER_STALLED)
{
/* Failed test. */
printf("Error on line %d, system_level: %d, system_context: %d, error code: %d\n", __LINE__, system_level, system_context, error_code);
test_control_return(1);
}
}
/* Define what the initial system looks like. */
#ifdef CTEST
void test_application_define(void *first_unused_memory)
#else
void usbx_control_transfer_stall_test(void *first_unused_memory)
#endif
{
UINT status;
CHAR * stack_pointer;
CHAR * memory_pointer;
/* Inform user. */
printf("Running Control Transfer Stall 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: %d\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: %d\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: %d\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: %d\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: %d\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: %d\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: %d\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: %d\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: %d\n", __LINE__, status);
test_control_return(1);
}
}
static void tx_demo_thread_host_simulation_entry(ULONG arg)
{
UINT status;
UX_HOST_CLASS_HID_KEYBOARD *keyboard;
UX_ENDPOINT *endpoint;
UX_TRANSFER *transfer_request;
UCHAR descriptor[1024];
/* Find the HID class */
status = demo_class_hid_get();
if (status != UX_SUCCESS)
{
printf("Error on line %d, error code: %d\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;
/* Get default endpoint. */
endpoint = &hid->ux_host_class_hid_device->ux_device_control_endpoint;
/* Get the transfer request. */
transfer_request = &endpoint->ux_endpoint_transfer_request;
/* Stall the default endpoint by sending it an invalid request. */
/* Create a transfer request for an invalid request. */
transfer_request -> ux_transfer_request_data_pointer = descriptor;
transfer_request -> ux_transfer_request_requested_length = 0x09;
transfer_request -> ux_transfer_request_function = UX_GET_DESCRIPTOR;
transfer_request -> ux_transfer_request_type = UX_REQUEST_IN | UX_REQUEST_TYPE_CLASS | UX_REQUEST_TARGET_DEVICE;
transfer_request -> ux_transfer_request_value = 0xffff << 8;
transfer_request -> ux_transfer_request_index = 0x02;
/* Send request to HCD layer. */
status = ux_host_stack_transfer_request(transfer_request);
if (status != UX_TRANSFER_STALLED)
{
printf("Error on line %d, error code: %d\n", __LINE__, status);
test_control_return(1);
}
/* Now send it a valid request. */
/* Create a transfer request for a valid request. */
transfer_request -> ux_transfer_request_data_pointer = descriptor;
transfer_request -> ux_transfer_request_requested_length = UX_CONFIGURATION_DESCRIPTOR_LENGTH;
transfer_request -> ux_transfer_request_function = UX_GET_DESCRIPTOR;
transfer_request -> ux_transfer_request_type = UX_REQUEST_IN | UX_REQUEST_TYPE_STANDARD | UX_REQUEST_TARGET_DEVICE;
transfer_request -> ux_transfer_request_value = UX_CONFIGURATION_DESCRIPTOR_ITEM << 8;
transfer_request -> ux_transfer_request_index = 0x02;
/* Send request to HCD layer. */
status = ux_host_stack_transfer_request(transfer_request);
if (status != UX_SUCCESS)
{
printf("Error on line %d, error code: %d\n", __LINE__, status);
test_control_return(1);
}
/* 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);
}
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