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common/usbx_device_classes/src/ux_device_class_cdc_ecm_uninitialize.c
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/**************************************************************************/
/* */
/* Copyright (c) Microsoft Corporation. All rights reserved. */
/* */
/* This software is licensed under the Microsoft Software License */
/* Terms for Microsoft Azure RTOS. Full text of the license can be */
/* found in the LICENSE file at https://aka.ms/AzureRTOS_EULA */
/* and in the root directory of this software. */
/* */
/**************************************************************************/
/**************************************************************************/
/**************************************************************************/
/** */
/** USBX Component */
/** */
/** Device CDC-ECM Class */
/** */
/**************************************************************************/
/**************************************************************************/
#define UX_SOURCE_CODE
/* Include necessary system files. */
#include "ux_api.h"
#include "ux_device_class_cdc_ecm.h"
#include "ux_device_stack.h"
/**************************************************************************/
/* */
/* FUNCTION RELEASE */
/* */
/* _ux_device_class_cdc_ecm_uninitialize PORTABLE C */
/* 6.1.10 */
/* AUTHOR */
/* */
/* Chaoqiong Xiao, Microsoft Corporation */
/* */
/* DESCRIPTION */
/* */
/* This function deinitializes the resources for the specified CDC-ECM */
/* instance. */
/* */
/* INPUT */
/* */
/* command Pointer to storage command */
/* */
/* OUTPUT */
/* */
/* Completion Status */
/* */
/* CALLS */
/* */
/* _ux_utility_mutex_delete Delete mutex */
/* _ux_device_thread_delete Delete thread */
/* _ux_utility_memory_free Free memory */
/* _ux_utility_event_flags_delete Delete event flags */
/* _ux_device_semaphore_delete Delete semaphore */
/* */
/* CALLED BY */
/* */
/* Device CDC-ECM Class */
/* */
/* RELEASE HISTORY */
/* */
/* DATE NAME DESCRIPTION */
/* */
/* 05-19-2020 Chaoqiong Xiao Initial Version 6.0 */
/* 09-30-2020 Chaoqiong Xiao Modified comment(s), */
/* resulting in version 6.1 */
/* 01-31-2022 Chaoqiong Xiao Modified comment(s), */
/* refined macros names, */
/* resulting in version 6.1.10 */
/* */
/**************************************************************************/
UINT _ux_device_class_cdc_ecm_uninitialize(UX_SLAVE_CLASS_COMMAND *command)
{
UX_SLAVE_CLASS_CDC_ECM *cdc_ecm;
UX_SLAVE_CLASS *class;
/* Get the class container. */
class = command -> ux_slave_class_command_class_ptr;
/* Get the class instance in the container. */
cdc_ecm = (UX_SLAVE_CLASS_CDC_ECM *) class -> ux_slave_class_instance;
/* Sanity check. */
if (cdc_ecm != UX_NULL)
{
/* Deinitialize resources. We do not check if they have been allocated
because if they weren't, the class register (called by the application)
would have failed. */
/* Delete the xmit queue mutex. */
_ux_utility_mutex_delete(&cdc_ecm -> ux_slave_class_cdc_ecm_mutex);
/* Delete bulk out thread . */
_ux_device_thread_delete(&cdc_ecm -> ux_slave_class_cdc_ecm_bulkout_thread);
/* Free bulk out thread stack. */
_ux_utility_memory_free(cdc_ecm -> ux_slave_class_cdc_ecm_bulkout_thread_stack);
/* Delete interrupt thread. */
_ux_device_thread_delete(&cdc_ecm -> ux_slave_class_cdc_ecm_interrupt_thread);
/* Free interrupt thread stack. */
_ux_utility_memory_free(cdc_ecm -> ux_slave_class_cdc_ecm_interrupt_thread_stack);
/* Delete bulk in thread. */
_ux_device_thread_delete(&cdc_ecm -> ux_slave_class_cdc_ecm_bulkin_thread);
/* Free bulk in thread stack. */
_ux_utility_memory_free(cdc_ecm -> ux_slave_class_cdc_ecm_bulkin_thread_stack);
/* Delete the interrupt thread sync event flags group. */
_ux_utility_event_flags_delete(&cdc_ecm -> ux_slave_class_cdc_ecm_event_flags_group);
/* Delete the reception packet pool. */
nx_packet_pool_delete(&cdc_ecm -> ux_slave_class_cdc_ecm_packet_pool);
/* Free the packet pool memory. */
_ux_utility_memory_free(cdc_ecm -> ux_slave_class_cdc_ecm_pool_memory);
/* Free the resources. */
_ux_utility_memory_free(cdc_ecm);
}
/* Return completion status. */
return(UX_SUCCESS);
}