/*************************************************************************** * 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 Printer Class */ /** */ /**************************************************************************/ /**************************************************************************/ #define UX_SOURCE_CODE /* Include necessary system files. */ #include "ux_api.h" #include "ux_device_class_printer.h" #include "ux_device_stack.h" /**************************************************************************/ /* */ /* FUNCTION RELEASE */ /* */ /* _ux_device_class_printer_uninitialize PORTABLE C */ /* 6.3.0 */ /* AUTHOR */ /* */ /* Chaoqiong Xiao, Microsoft Corporation */ /* */ /* DESCRIPTION */ /* */ /* This function uninitialize the printer class. */ /* */ /* INPUT */ /* */ /* command Pointer to a class command */ /* */ /* OUTPUT */ /* */ /* Completion Status */ /* */ /* CALLS */ /* */ /* _ux_device_mutex_delete Delete Mutex */ /* _ux_utility_memory_free Free used local memory */ /* */ /* CALLED BY */ /* */ /* Device Printer Class */ /* */ /**************************************************************************/ UINT _ux_device_class_printer_uninitialize(UX_SLAVE_CLASS_COMMAND *command) { UX_DEVICE_CLASS_PRINTER *printer; 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. */ printer = (UX_DEVICE_CLASS_PRINTER *) class_ptr -> ux_slave_class_instance; /* Sanity check. */ if (printer != UX_NULL) { #if !defined(UX_DEVICE_STANDALONE) /* Delete the IN endpoint mutex. */ _ux_device_mutex_delete(&printer -> ux_device_class_printer_endpoint_in_mutex); /* Out Mutex. */ _ux_device_mutex_delete(&printer -> ux_device_class_printer_endpoint_out_mutex); #endif /* Free the resources. */ #if defined(UX_DEVICE_CLASS_PRINTER_OWN_ENDPOINT_BUFFER) _ux_utility_memory_free(printer -> ux_device_class_printer_endpoint_buffer); #endif _ux_utility_memory_free(printer); } /* Return completion status. */ return(UX_SUCCESS); }