/*************************************************************************** * Copyright (c) 2024 Microsoft Corporation * Copyright (c) 2026-present 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 **************************************************************************/ /**************************************************************************/ /**************************************************************************/ /** */ /** USBX Component */ /** */ /** Device Storage Class */ /** */ /**************************************************************************/ /**************************************************************************/ #define UX_SOURCE_CODE /* Include necessary system files. */ #include "ux_api.h" #include "ux_device_class_storage.h" #include "ux_device_stack.h" /**************************************************************************/ /* */ /* FUNCTION RELEASE */ /* */ /* _ux_device_class_storage_uninitialize PORTABLE C */ /* 6.3.0 */ /* AUTHOR */ /* */ /* Chaoqiong Xiao, Microsoft Corporation */ /* */ /* DESCRIPTION */ /* */ /* This function deinitializes the USB storage device. */ /* */ /* INPUT */ /* */ /* command Pointer to storage command */ /* */ /* OUTPUT */ /* */ /* Completion Status */ /* */ /* CALLS */ /* */ /* _ux_utility_memory_free Free memory */ /* _ux_device_thread_delete Delete thread */ /* */ /* CALLED BY */ /* */ /* Device Storage Class */ /* */ /**************************************************************************/ UINT _ux_device_class_storage_uninitialize(UX_SLAVE_CLASS_COMMAND *command) { UX_SLAVE_CLASS_STORAGE *storage; UX_SLAVE_CLASS *class_ptr; /* Get the class container. */ class_ptr = command -> ux_slave_class_command_class_ptr; /* Get the class instance in the container. */ storage = (UX_SLAVE_CLASS_STORAGE *) class_ptr -> ux_slave_class_instance; /* Sanity check. */ if (storage != UX_NULL) { /* Remove STORAGE thread. */ _ux_device_thread_delete(&class_ptr -> ux_slave_class_thread); #if !(defined(UX_DEVICE_STANDALONE) || defined(UX_STANDALONE)) /* Remove the thread used by STORAGE. */ _ux_utility_memory_free(class_ptr -> ux_slave_class_thread_stack); #endif #if UX_DEVICE_ENDPOINT_BUFFER_OWNER == 1 _ux_utility_memory_free(storage -> ux_device_class_storage_endpoint_buffer); #endif /* Free the resources. */ _ux_utility_memory_free(storage); } /* Return completion status. */ return(UX_SUCCESS); }