netxduo
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Outline
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#define NX_SOURCE_CODE
#include "nx_api.h"
#include "nx_packet.h"
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_nxe_packet_data_retrieve(NX_PACKET *, void *, ULONG *)
Files
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SourceVuSTM32 Libraries and Samplesnetxduocommon/src/nxe_packet_data_retrieve.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. */ /* */... /**************************************************************************/ ... /**************************************************************************/ /**************************************************************************/ /** */ /** NetX Component */ /** */ /** Packet Pool Management (Packet) */ /** */... /**************************************************************************/ /**************************************************************************/ #define NX_SOURCE_CODE /* Include necessary system files. */ #include "nx_api.h" #include "nx_packet.h" ... /**************************************************************************/ /* */ /* FUNCTION RELEASE */ /* */ /* _nxe_packet_data_retrieve PORTABLE C */ /* 6.1 */ /* AUTHOR */ /* */ /* Yuxin Zhou, Microsoft Corporation */ /* */ /* DESCRIPTION */ /* */ /* This function checks for errors in the packet data retrieve */ /* function call. */ /* */ /* INPUT */ /* */ /* packet_ptr Packet to retrieve from */ /* buffer_start Pointer to start of the buffer*/ /* bytes_copied Number of bytes copied */ /* */ /* OUTPUT */ /* */ /* status Completion status */ /* */ /* CALLS */ /* */ /* _nx_packet_data_retrieve Actual packet data retrieve */ /* function */ /* */ /* CALLED BY */ /* */ /* Application Code */ /* */ /* RELEASE HISTORY */ /* */ /* DATE NAME DESCRIPTION */ /* */ /* 05-19-2020 Yuxin Zhou Initial Version 6.0 */ /* 09-30-2020 Yuxin Zhou Modified comment(s), */ /* resulting in version 6.1 */ /* */... /**************************************************************************/ UINT _nxe_packet_data_retrieve(NX_PACKET *packet_ptr, VOID *buffer_start, ULONG *bytes_copied) { UINT status; /* Check for invalid input pointers. */ if ((packet_ptr == NX_NULL) || (buffer_start == NX_NULL) || (bytes_copied == NX_NULL)) { return(NX_PTR_ERROR); }if ((packet_ptr == NX_NULL) || (buffer_start == NX_NULL) || (bytes_copied == NX_NULL)) { ... } /* Call actual packet data retrieve function. */ status = _nx_packet_data_retrieve(packet_ptr, buffer_start, bytes_copied); /* Return completion status. */ return(status); }{ ... }
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