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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 */
/***************************************************************************/
/* Include necessary system files. */
#include "ux_api.h"
#include "ux_system.h"
#include "ux_utility.h"
#include "ux_network_driver.h"
#include "ux_host_class_cdc_ecm.h"
#include "ux_device_class_cdc_ecm.h"
#include "ux_test_dcd_sim_slave.h"
#include "ux_test_hcd_sim_host.h"
#include "ux_test_utility_sim.h"
#include "ux_test.h"
#define DEMO_IP_THREAD_STACK_SIZE (8*1024)
#define HOST_IP_ADDRESS IP_ADDRESS(192,168,1,176)
#define HOST_SOCKET_PORT_UDP 45054
#define DEVICE_IP_ADDRESS IP_ADDRESS(192,168,1,175)
#define DEVICE_SOCKET_PORT_UDP 45055
#define PACKET_PAYLOAD 1400
#define PACKET_POOL_SIZE (PACKET_PAYLOAD*20)
#define ARP_MEMORY_SIZE 1024
/* Define local constants. */
#define UX_DEMO_STACK_SIZE (4*1024)
#define UX_USBX_MEMORY_SIZE (128*1024)
/* Host */
static CHAR global_buffer_write_host[128];
static CHAR global_buffer_read_host[128];
static ULONG global_basic_test_num_writes_host;
static ULONG global_basic_test_num_reads_host;
static UX_HOST_CLASS *class_driver_host;
static UX_HOST_CLASS_CDC_ECM *cdc_ecm_host;
static TX_THREAD thread_host;
static UCHAR thread_stack_host[UX_DEMO_STACK_SIZE];
static NX_IP nx_ip_host;
/* Device */
static CHAR global_buffer_write_device[128];
static CHAR global_buffer_read_device[128];
static ULONG global_basic_test_num_writes_device;
static ULONG global_basic_test_num_reads_device;
static TX_THREAD thread_device;
static UX_HOST_CLASS *class_driver_device;
static UX_SLAVE_CLASS_CDC_ECM *cdc_ecm_device;
static UX_SLAVE_CLASS_CDC_ECM_PARAMETER cdc_ecm_parameter;
static UCHAR thread_stack_device[UX_DEMO_STACK_SIZE];
static NX_IP nx_ip_device;
/* Define local prototypes and definitions. */
static void thread_entry_host(ULONG arg);
static void thread_entry_device(ULONG arg);
static UCHAR usbx_memory[UX_USBX_MEMORY_SIZE];
static unsigned char device_framework_high_speed[] = {
/* Device Descriptor */
0x12, /* bLength */
0x01, /* bDescriptorType */
0x10, 0x01, /* bcdUSB */
0xef, /* bDeviceClass - Depends on bDeviceSubClass */
0x02, /* bDeviceSubClass - Depends on bDeviceProtocol */
0x01, /* bDeviceProtocol - There's an IAD */
0x40, /* bMaxPacketSize0 */
0x70, 0x07, /* idVendor */
0x42, 0x10, /* idProduct */
0x00, 0x01, /* bcdDevice */
0x01, /* iManufacturer */
0x02, /* iProduct */
0x03, /* iSerialNumber */
0x01, /* bNumConfigurations */
/* Configuration Descriptor */
0x09, /* bLength */
0x02, /* bDescriptorType */
0x58, 0x00, /* wTotalLength */
0x02, /* bNumInterfaces */
0x01, /* bConfigurationValue */
0x00, /* iConfiguration */
0xc0, /* bmAttributes - Self-powered */
0x00, /* bMaxPower */
/* Interface Association Descriptor */
0x08, /* bLength */
0x0b, /* bDescriptorType */
0x00, /* bFirstInterface */
0x02, /* bInterfaceCount */
0x02, /* bFunctionClass - CDC - Communication */
0x06, /* bFunctionSubClass - ECM */
0x00, /* bFunctionProtocol - No class specific protocol required */
0x00, /* iFunction */
/* Interface Descriptor */
0x09, /* bLength */
0x04, /* bDescriptorType */
0x00, /* bInterfaceNumber */
0x00, /* bAlternateSetting */
0x01, /* bNumEndpoints */
0x02, /* bInterfaceClass - CDC - Communication */
0x06, /* bInterfaceSubClass - ECM */
0x00, /* bInterfaceProtocol - No class specific protocol required */
0x00, /* iInterface */
/* CDC Header Functional Descriptor */
0x05, /* bLength */
0x24, /* bDescriptorType */
0x00, /* bDescriptorSubType */
0x10, 0x01, /* bcdCDC */
/* CDC ECM Functional Descriptor */
0x0d, /* bLength */
0x24, /* bDescriptorType */
0x0f, /* bDescriptorSubType */
0x04, /* iMACAddress */
0x00, 0x00, 0x00, 0x00, /* bmEthernetStatistics */
0xea, 0x05, /* wMaxSegmentSize */
0x00, 0x00, /* wNumberMCFilters */
0x00, /* bNumberPowerFilters */
/* CDC Union Functional Descriptor */
0x05, /* bLength */
0x24, /* bDescriptorType */
0x06, /* bDescriptorSubType */
0x00, /* bmMasterInterface */
0x01, /* bmSlaveInterface0 */
/* Endpoint Descriptor */
0x07, /* bLength */
0x05, /* bDescriptorType */
0x83, /* bEndpointAddress */
0x03, /* bmAttributes - Interrupt */
0x08, 0x00, /* wMaxPacketSize */
0x08, /* bInterval */
/* Interface Descriptor */
0x09, /* bLength */
0x04, /* bDescriptorType */
0x01, /* bInterfaceNumber */
0x00, /* bAlternateSetting */
0x00, /* bNumEndpoints */
0x0a, /* bInterfaceClass - CDC - Data */
0x00, /* bInterfaceSubClass - Should be 0x00 */
0x00, /* bInterfaceProtocol - No class specific protocol required */
0x00, /* iInterface */
/* Interface Descriptor */
0x09, /* bLength */
0x04, /* bDescriptorType */
0x01, /* bInterfaceNumber */
0x01, /* bAlternateSetting */
0x02, /* bNumEndpoints */
0x0a, /* bInterfaceClass - CDC - Data */
0x00, /* bInterfaceSubClass - Should be 0x00 */
0x00, /* bInterfaceProtocol - No class specific protocol required */
0x00, /* iInterface */
/* Endpoint Descriptor */
0x07, /* bLength */
0x05, /* bDescriptorType */
0x02, /* bEndpointAddress */
0x02, /* bmAttributes - Bulk */
0x40, 0x00, /* wMaxPacketSize */
0x00, /* bInterval */
/* Endpoint Descriptor */
0x07, /* bLength */
0x05, /* bDescriptorType */
0x81, /* bEndpointAddress */
0x02, /* bmAttributes - Bulk */
0x40, 0x00, /* wMaxPacketSize */
0x00, /* bInterval */
};
static unsigned char string_framework[] = {
/* Manufacturer string descriptor : Index 1 - "Express Logic" */
0x09, 0x04, 0x01, 0x0c,
0x45, 0x78, 0x70, 0x72, 0x65, 0x73, 0x20, 0x4c,
0x6f, 0x67, 0x69, 0x63,
/* Product string descriptor : Index 2 - "EL CDCECM Device" */
0x09, 0x04, 0x02, 0x10,
0x45, 0x4c, 0x20, 0x43, 0x44, 0x43, 0x45, 0x43,
0x4d, 0x20, 0x44, 0x65, 0x76, 0x69, 0x63, 0x65,
/* Serial Number string descriptor : Index 3 - "0001" */
0x09, 0x04, 0x03, 0x04,
0x30, 0x30, 0x30, 0x31,
/* MAC Address string descriptor : Index 4 - "001E5841B879" */
0x09, 0x04, 0x04, 0x0C,
0x30, 0x30, 0x31, 0x45, 0x35, 0x38,
0x34, 0x31, 0x42, 0x38, 0x37, 0x39,
};
static unsigned char *device_framework_full_speed = device_framework_high_speed;
#define FRAMEWORK_LENGTH sizeof(device_framework_high_speed)
/* 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. */
static unsigned char language_id_framework[] = {
/* English. */
0x09, 0x04
};
/* Define local variables. */
static void class_cdc_ecm_get_host(void)
{
UX_HOST_CLASS *class;
/* Find the main storage container */
UX_TEST_CHECK_SUCCESS(ux_host_stack_class_get(_ux_system_host_class_cdc_ecm_name, &class));
/* We get the first instance of the storage device */
UX_TEST_CHECK_SUCCESS(ux_test_host_stack_class_instance_get(class, 0, (void **) &cdc_ecm_host));
/* We still need to wait for the cdc-ecm status to be live */
UX_TEST_CHECK_SUCCESS(ux_test_wait_for_value_uint(&cdc_ecm_host -> ux_host_class_cdc_ecm_state, UX_HOST_CLASS_INSTANCE_LIVE));
}
static VOID demo_cdc_ecm_instance_activate(VOID *cdc_ecm_instance)
{
/* Save the CDC instance. */
cdc_ecm_device = (UX_SLAVE_CLASS_CDC_ECM *) cdc_ecm_instance;
}
static VOID demo_cdc_ecm_instance_deactivate(VOID *cdc_ecm_instance)
{
/* Reset the CDC instance. */
cdc_ecm_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_cdc_ecm_uninitialize_test_application_define(void *first_unused_memory)
#endif
{
/* Inform user. */
printf("Running ux_device_class_cdc_ecm_uninitialize Test................... ");
stepinfo("\n");
/* Initialize USBX Memory. */
ux_system_initialize((CHAR *)usbx_memory, UX_USBX_MEMORY_SIZE, UX_NULL, 0);
/* It looks weird if this doesn't have a comment! */
ux_utility_error_callback_register(ux_test_error_callback);
/* Perform the initialization of the network driver. */
UX_TEST_CHECK_SUCCESS(ux_network_driver_init());
nx_system_initialize();
/* Create the slave thread. */
UX_TEST_CHECK_SUCCESS(tx_thread_create(&thread_device, "device thread", thread_entry_device, 0,
thread_stack_device, UX_DEMO_STACK_SIZE,
30, 30, 1, TX_AUTO_START));
}
static void thread_entry_device(ULONG input)
{
ULONG free_memory_pre_init;
ULONG free_memory_post_uninit;
UX_SLAVE_CLASS *class;
UX_SLAVE_CLASS_CDC_ECM *cdc_ecm;
UX_SLAVE_CLASS_COMMAND command;
/* The code below is required for installing the device portion of USBX.
In this demo, DFU is possible and we have a call back for state change. */
UX_TEST_CHECK_SUCCESS(ux_device_stack_initialize(device_framework_high_speed, FRAMEWORK_LENGTH,
device_framework_full_speed, FRAMEWORK_LENGTH,
string_framework, sizeof(string_framework),
language_id_framework, sizeof(language_id_framework),
UX_NULL));
/* Set the parameters for callback when insertion/extraction of a CDC device. Set to NULL.*/
cdc_ecm_parameter.ux_slave_class_cdc_ecm_instance_activate = demo_cdc_ecm_instance_activate;
cdc_ecm_parameter.ux_slave_class_cdc_ecm_instance_deactivate = demo_cdc_ecm_instance_deactivate;
/* Define a NODE ID. */
cdc_ecm_parameter.ux_slave_class_cdc_ecm_parameter_local_node_id[0] = 0x00;
cdc_ecm_parameter.ux_slave_class_cdc_ecm_parameter_local_node_id[1] = 0x1e;
cdc_ecm_parameter.ux_slave_class_cdc_ecm_parameter_local_node_id[2] = 0x58;
cdc_ecm_parameter.ux_slave_class_cdc_ecm_parameter_local_node_id[3] = 0x41;
cdc_ecm_parameter.ux_slave_class_cdc_ecm_parameter_local_node_id[4] = 0xb8;
cdc_ecm_parameter.ux_slave_class_cdc_ecm_parameter_local_node_id[5] = 0x78;
/* Define a remote NODE ID. */
cdc_ecm_parameter.ux_slave_class_cdc_ecm_parameter_remote_node_id[0] = 0x00;
cdc_ecm_parameter.ux_slave_class_cdc_ecm_parameter_remote_node_id[1] = 0x1e;
cdc_ecm_parameter.ux_slave_class_cdc_ecm_parameter_remote_node_id[2] = 0x58;
cdc_ecm_parameter.ux_slave_class_cdc_ecm_parameter_remote_node_id[3] = 0x41;
cdc_ecm_parameter.ux_slave_class_cdc_ecm_parameter_remote_node_id[4] = 0xb8;
cdc_ecm_parameter.ux_slave_class_cdc_ecm_parameter_remote_node_id[5] = 0x79;
/* Test. */
{
/* Save the amount of free memory before initing. */
free_memory_pre_init = _ux_system -> ux_system_memory_byte_pool[UX_MEMORY_BYTE_POOL_REGULAR] -> ux_byte_pool_available;
/* Initialize the device cdc_ecm class. */
UX_TEST_CHECK_SUCCESS(ux_device_stack_class_register(_ux_system_slave_class_cdc_ecm_name, ux_device_class_cdc_ecm_entry, 1, 0, &cdc_ecm_parameter));
/* And deinitialize the class. */
UX_TEST_CHECK_SUCCESS(ux_device_stack_class_unregister(_ux_system_slave_class_cdc_ecm_name, ux_device_class_cdc_ecm_entry));
/* Save the amount of free memory after uniniting. */
free_memory_post_uninit = _ux_system -> ux_system_memory_byte_pool[UX_MEMORY_BYTE_POOL_REGULAR] -> ux_byte_pool_available;
/* Make sure they're the same. */
UX_TEST_ASSERT(free_memory_pre_init == free_memory_post_uninit);
}
/* Test: class instance freed before invoking uninitialize. */
{
/* Save the amount of free memory before initing. */
free_memory_pre_init = _ux_system -> ux_system_memory_byte_pool[UX_MEMORY_BYTE_POOL_REGULAR] -> ux_byte_pool_available;
/* Initialize the device cdc_ecm class. */
UX_TEST_CHECK_SUCCESS(ux_device_stack_class_register(_ux_system_slave_class_cdc_ecm_name, ux_device_class_cdc_ecm_entry, 1, 0, &cdc_ecm_parameter));
/* Obtain class driver. */
class = &_ux_system_slave -> ux_system_slave_class_array[0];
/* Confirm class registered. */
UX_TEST_ASSERT(class -> ux_slave_class_status == UX_USED);
UX_TEST_ASSERT(class -> ux_slave_class_instance != UX_NULL);
/* Modify class instance for test. */
cdc_ecm = (UX_SLAVE_CLASS_CDC_ECM *)class -> ux_slave_class_instance;
class -> ux_slave_class_instance = UX_NULL;
/* And deinitialize the class, unregister is not used since it may change class state. */
command.ux_slave_class_command_request = UX_SLAVE_CLASS_COMMAND_UNINITIALIZE;
command.ux_slave_class_command_class_ptr = class;
UX_TEST_CHECK_SUCCESS(ux_device_class_cdc_ecm_entry(&command));
/* Memory still valid. */
// UX_TEST_ASSERT(cdc_ecm -> ux_slave_class_cdc_ecm_pool_memory != UX_NULL);
/* Restore normal data. */
class -> ux_slave_class_instance = (VOID*)cdc_ecm;
/* And deinitialize the class. */
UX_TEST_CHECK_SUCCESS(ux_device_stack_class_unregister(_ux_system_slave_class_cdc_ecm_name, ux_device_class_cdc_ecm_entry));
/* Save the amount of free memory after uniniting. */
free_memory_post_uninit = _ux_system -> ux_system_memory_byte_pool[UX_MEMORY_BYTE_POOL_REGULAR] -> ux_byte_pool_available;
/* Make sure they're the same. */
UX_TEST_ASSERT(free_memory_pre_init == free_memory_post_uninit);
}
/* Deinitialize the device side of usbx. */
UX_TEST_CHECK_SUCCESS(_ux_device_stack_uninitialize());
/* And finally the usbx system resources. */
_ux_system_uninitialize();
/* Successful test. */
printf("SUCCESS!\n");
test_control_return(0);
}
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