/**************************************************************************/ /* */ /* 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 HID Class */ /** */ /**************************************************************************/ /**************************************************************************/ #define UX_SOURCE_CODE /* Include necessary system files. */ #include "ux_api.h" #include "ux_device_class_hid.h" #include "ux_device_stack.h" /**************************************************************************/ /* */ /* FUNCTION RELEASE */ /* */ /* _ux_device_class_hid_uninitialize PORTABLE C */ /* 6.1.12 */ /* AUTHOR */ /* */ /* Chaoqiong Xiao, Microsoft Corporation */ /* */ /* DESCRIPTION */ /* */ /* This function uninitializes the USB HID device. */ /* */ /* INPUT */ /* */ /* command Pointer to hid command */ /* */ /* OUTPUT */ /* */ /* Completion Status */ /* */ /* CALLS */ /* */ /* _ux_device_thread_delete Remove storage thread. */ /* _ux_utility_memory_free Free memory used by storage */ /* _ux_utility_event_flags_delete Remove flag event structure */ /* */ /* */ /* CALLED BY */ /* */ /* USBX Source Code */ /* */ /* 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), */ /* added standalone support, */ /* added interrupt OUT support,*/ /* resulting in version 6.1.10 */ /* 04-25-2022 Chaoqiong Xiao Modified comment(s), */ /* resulting in version 6.1.11 */ /* 07-29-2022 Chaoqiong Xiao Modified comment(s), */ /* fixed parameter/variable */ /* names conflict C++ keyword, */ /* resulting in version 6.1.12 */ /* */ /**************************************************************************/ UINT _ux_device_class_hid_uninitialize(UX_SLAVE_CLASS_COMMAND *command) { UX_SLAVE_CLASS_HID *hid; 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. */ hid = (UX_SLAVE_CLASS_HID *) class_ptr -> ux_slave_class_instance; #if !defined(UX_DEVICE_STANDALONE) /* Remove HID thread. */ _ux_device_thread_delete(&class_ptr -> ux_slave_class_thread); /* Remove the thread used by HID. */ _ux_utility_memory_free(class_ptr -> ux_slave_class_thread_stack); /* Delete the event flag group for the hid class. */ _ux_device_event_flags_delete(&hid -> ux_device_class_hid_event_flags_group); #endif /* Free memory for the array. */ _ux_utility_memory_free(hid -> ux_device_class_hid_event_array); #if defined(UX_DEVICE_CLASS_HID_INTERRUPT_OUT_SUPPORT) #if !defined(UX_DEVICE_STANDALONE) /* Free read mutex. */ _ux_device_mutex_delete(&hid -> ux_device_class_hid_read_mutex); #endif /* Uninitialize receiver. */ if (hid -> ux_device_class_hid_receiver) hid -> ux_device_class_hid_receiver -> ux_device_class_hid_receiver_uninitialize(hid -> ux_device_class_hid_receiver); #endif /* Free the resources. */ _ux_utility_memory_free(hid); /* Return completion status. */ return(UX_SUCCESS); }