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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 test is designed to test the simple dpump host/device class operation. */
#include <stdio.h>
#include "tx_api.h"
#include "ux_api.h"
#include "ux_system.h"
#include "ux_utility.h"
#include "fx_api.h"
#include "ux_device_class_storage.h"
#include "ux_device_stack.h"
#include "ux_host_class_storage.h"
#include "usbx_test_common.h"
/* Define constants. */
#define UX_DEMO_STACK_SIZE 2048
#define UX_DEMO_BUFFER_SIZE 2048
#define UX_DEMO_RECEPTION_BUFFER_SIZE 512
#define UX_DEMO_FILE_BUFFER_SIZE 512
#define UX_DEMO_RECEPTION_BLOCK_SIZE 64
#define UX_DEMO_MEMORY_SIZE (256 * 1024)
#define UX_DEMO_FILE_SIZE (128 * 1024)
#define UX_RAM_DISK_SIZE (200 * 1024)
#define UX_RAM_DISK_LAST_LBA ((UX_RAM_DISK_SIZE / 512) -1)
/* Define local/extern function prototypes. */
static void demo_thread_entry(ULONG);
static TX_THREAD tx_demo_thread_host_simulation;
static TX_THREAD tx_demo_thread_slave_simulation;
static void tx_demo_thread_host_simulation_entry(ULONG);
VOID _fx_ram_driver(FX_MEDIA *media_ptr);
static UINT demo_device_state_change(ULONG event);
static void demo_thread_entry(ULONG);
static UINT default_device_media_read(VOID *storage, ULONG lun, UCHAR * data_pointer, ULONG number_blocks, ULONG lba, ULONG *media_status);
static UINT default_device_media_write(VOID *storage, ULONG lun, UCHAR * data_pointer, ULONG number_blocks, ULONG lba, ULONG *media_status);
static UINT default_device_media_status(VOID *storage, ULONG lun, ULONG media_id, ULONG *media_status);
/* Define global data structures. */
static UCHAR usbx_memory[UX_DEMO_MEMORY_SIZE + (UX_DEMO_STACK_SIZE * 2)];
static ULONG error_counter;
static TX_THREAD demo_thread;
static UX_HOST_CLASS_STORAGE *global_storage;
static UX_HOST_CLASS_STORAGE_MEDIA *global_storage_media;
static FX_MEDIA *global_media;
static UINT status;
static UINT transfer_completed;
static ULONG requested_length;
static FX_FILE my_file;
static TX_SEMAPHORE demo_semaphore;
static CHAR file_name[64];
static UCHAR global_buffer[UX_DEMO_FILE_BUFFER_SIZE];
static UCHAR global_ram_disk_working_buffer[512];
static FX_MEDIA global_ram_disk;
static CHAR global_ram_disk_memory[UX_RAM_DISK_SIZE];
static UX_SLAVE_CLASS_STORAGE_PARAMETER global_storage_parameter;
static TX_SEMAPHORE storage_instance_live_semaphore;
/* Prototype for test control return. */
void test_control_return(UINT status);
/* Prototype for _ux_hcd_sim_host_entry */
UINT _ux_hcd_sim_host_entry(UX_HCD *, UINT, VOID *);
static UINT host_storage_instance_get(void)
{
UINT status;
UX_HOST_CLASS *host_class;
/* Find the main storage container */
status = ux_host_stack_class_get(_ux_system_host_class_storage_name, &host_class);
if (status != UX_SUCCESS)
return(status);
status = ux_utility_semaphore_get(&storage_instance_live_semaphore, 5000);
if (status != UX_SUCCESS)
{
printf("Error on line %d, error code: %d\n", __LINE__, status);
test_control_return(1);
}
status = ux_host_stack_class_instance_get(host_class, 0, (void **) &global_storage);
if (status != UX_SUCCESS)
{
printf("Error on line %d, error code: %d\n", __LINE__, status);
test_control_return(1);
}
if (global_storage -> ux_host_class_storage_state != UX_HOST_CLASS_INSTANCE_LIVE)
{
printf("Error on line %d, error code: %d\n", __LINE__, status);
test_control_return(1);
}
if (host_class -> ux_host_class_media == UX_NULL)
{
printf("Error on line %d, error code: %d\n", __LINE__, status);
test_control_return(1);
}
/* Setup media pointer. */
global_storage_media = (UX_HOST_CLASS_STORAGE_MEDIA *) host_class -> ux_host_class_media;
global_media = &global_storage_media -> ux_host_class_storage_media;
if (global_media == UX_NULL)
{
printf("Error on line %d, error code: %d\n", __LINE__, status);
test_control_return(1);
}
return(UX_SUCCESS);
}
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