NEW: release DJI Payload-SDK version 3.8.0
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DJI-Martin
218
samples/sample_c/module_sample/utils/util_link_list.c
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218
samples/sample_c/module_sample/utils/util_link_list.c
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/**
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********************************************************************
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* @file util_link_list.c
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* @brief
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*
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* @copyright (c) 2021 DJI. All rights reserved.
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*
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* All information contained herein is, and remains, the property of DJI.
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* The intellectual and technical concepts contained herein are proprietary
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* to DJI and may be covered by U.S. and foreign patents, patents in process,
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* and protected by trade secret or copyright law. Dissemination of this
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* information, including but not limited to data and other proprietary
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* material(s) incorporated within the information, in any form, is strictly
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* prohibited without the express written consent of DJI.
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*
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* If you receive this source code without DJI’s authorization, you may not
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* further disseminate the information, and you must immediately remove the
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* source code and notify DJI of its removal. DJI reserves the right to pursue
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* legal actions against you for any loss(es) or damage(s) caused by your
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* failure to do so.
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*
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*********************************************************************
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*/
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#define UTIL_LINK_LIST_C
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#ifdef __cplusplus
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extern "C" {
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#endif
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/* Includes ------------------------------------------------------------------*/
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#include "util_link_list.h"
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/* Private constants ---------------------------------------------------------*/
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/* Private types -------------------------------------------------------------*/
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/* Private functions declaration ---------------------------------------------*/
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/* Private values ------------------------------------------------------------*/
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/* Exported functions definition ---------------------------------------------*/
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void DjiUserUtil_ListNodeDeleteDataOnly( T_UtilListNode *node )
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{
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if ( NULL == node) {
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UTIL_REPORT_ERROR( "null pointer" );
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return;
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}
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if ( NULL != node->data ) {
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UTIL_OSAL_MEMRY_FREE( node->data );
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node->data = NULL;
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}
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return;
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}
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void DjiUserUtil_ListNodeDeleteNodeSelf( T_UtilListNode *node )
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{
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if ( NULL == node) {
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UTIL_REPORT_ERROR( "null pointer" );
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return;
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}
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UTIL_OSAL_MEMRY_FREE( node );
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return;
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}
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void DjiUserUtil_InitListNode( T_UtilListNode *node, void *data )
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{
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if ( NULL == node ) {
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UTIL_REPORT_ERROR( "null pointer" );
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return;
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}
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node->prev = NULL;
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node->next = NULL;
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node->data = data;
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return;
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}
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T_UtilListNode *DjiUserUtil_NewListNode( void *data )
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{
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T_UtilListNode *node = NULL;
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node = (T_UtilListNode *)UTIL_OSAL_MEMRY_ALLOC( sizeof(T_UtilListNode) );
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if ( NULL == node ) {
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UTIL_REPORT_ERROR( "null pointer" );
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return NULL;
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}
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DjiUserUtil_InitListNode( node, data );
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return node;
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}
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void DjiUserUtil_LinkListDestory( T_UtilLinkList *linkList )
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{
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T_UtilListNode *node = NULL;
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T_UtilListNode *next = NULL;
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if ( NULL == linkList ) {
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UTIL_REPORT_ERROR( "null pointer" );
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return;
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}
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for ( node = linkList->first; NULL != node ; node = next ) {
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next = node->next;
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DjiUserUtil_ListNodeDeleteDataOnly( node );
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DjiUserUtil_ListNodeDeleteNodeSelf( node );
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}
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}
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void DjiUserUtil_LinkListAddNodeFirst( T_UtilLinkList *linkList, T_UtilListNode *node )
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{
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if ( ( NULL == linkList ) || ( NULL == node ) ) {
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UTIL_REPORT_ERROR( "null pointer" );
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return;
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}
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if ( UTIL_LINKLIST_IS_EMPTY( *linkList ) ) {
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node->prev = NULL;
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node->next = NULL;
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linkList->first = node;
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linkList->last = node;
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} else {
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node->prev = NULL;
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node->next = linkList->first;
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linkList->first = node;
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node->next->prev = node;
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}
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linkList->count ++;
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return;
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}
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void DjiUserUtil_LinkListAddNodeLast( T_UtilLinkList *linkList, T_UtilListNode *node )
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{
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if ( ( NULL == linkList ) || ( NULL == node ) ) {
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UTIL_REPORT_ERROR( "null pointer" );
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return;
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}
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if ( UTIL_LINKLIST_IS_EMPTY( *linkList ) ) {
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node->prev = NULL;
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node->next = NULL;
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linkList->first = node;
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linkList->last = node;
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} else {
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node->next = NULL;
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node->prev = linkList->last;
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linkList->last = node;
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node->prev->next = node;
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}
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linkList->count ++;
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return;
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}
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void DjiUserUtil_InitLinkList( T_UtilLinkList *linkList )
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{
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if ( NULL == linkList ) {
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UTIL_REPORT_ERROR( "null pointer" );
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return;
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}
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linkList->first = NULL;
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linkList->last = NULL;
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linkList->count = 0;
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return;
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}
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T_UtilLinkList *DjiUserUtil_NewLinkList( void )
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{
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T_UtilLinkList *linkList = NULL;
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linkList = (T_UtilLinkList *)UTIL_OSAL_MEMRY_ALLOC( sizeof( T_UtilLinkList ) );
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if ( NULL == linkList ) {
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UTIL_REPORT_ERROR( "null pointer" );
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return NULL;
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}
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DjiUserUtil_InitLinkList( linkList );
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return linkList;
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}
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void DjiUserUtil_LinkListRemoveNodeOnly( T_UtilLinkList *linkList, T_UtilListNode *node )
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{
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if ( ( NULL == linkList ) || ( NULL == node ) ) {
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UTIL_REPORT_ERROR( "null pointer" );
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return;
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}
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if ( node == linkList->first ) {
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linkList->first = linkList->first->next;
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}
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if ( node == linkList->last ) {
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linkList->last = linkList->last->prev;
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}
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if ( NULL != node->next ) {
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node->next->prev = node->prev;
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}
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if ( NULL != node->prev ) {
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node->prev->next = node->next;
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}
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if ( 0 != linkList->count ) {
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linkList->count --;
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}
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DjiUserUtil_ListNodeDeleteNodeSelf( node );
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return;
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}
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/* Private functions definition-----------------------------------------------*/
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#ifdef __cplusplus
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}
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#endif
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/****************** (C) COPYRIGHT DJI Innovations *****END OF FILE****/
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94
samples/sample_c/module_sample/utils/util_link_list.h
Normal file
94
samples/sample_c/module_sample/utils/util_link_list.h
Normal file
@ -0,0 +1,94 @@
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/**
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********************************************************************
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* @file link_list.h
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* @brief This is the header file for "link_list.c", defining the structure and
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* (exported) function prototypes.
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*
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* @copyright (c) 2021 DJI. All rights reserved.
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*
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* All information contained herein is, and remains, the property of DJI.
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* The intellectual and technical concepts contained herein are proprietary
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* to DJI and may be covered by U.S. and foreign patents, patents in process,
|
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* and protected by trade secret or copyright law. Dissemination of this
|
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* information, including but not limited to data and other proprietary
|
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* material(s) incorporated within the information, in any form, is strictly
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* prohibited without the express written consent of DJI.
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*
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* If you receive this source code without DJI’s authorization, you may not
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* further disseminate the information, and you must immediately remove the
|
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* source code and notify DJI of its removal. DJI reserves the right to pursue
|
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* legal actions against you for any loss(es) or damage(s) caused by your
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* failure to do so.
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*
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*********************************************************************
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*/
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/* Define to prevent recursive inclusion -------------------------------------*/
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#ifndef UTIL_LINK_LIST_H
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#define UTIL_LINK_LIST_H
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/* Includes ------------------------------------------------------------------*/
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#include "dji_platform.h"
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#ifdef UTIL_LINK_LIST_C
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#define UTIL_LINK_LIST_EXT
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#else
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#define UTIL_LINK_LIST_EXT extern
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#endif
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#ifdef __cplusplus
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extern "C" {
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#endif
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/* Exported constants --------------------------------------------------------*/
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#define UTIL_REPORT_ERROR( exp... )
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#define UTIL_OSAL_MEMRY_ALLOC(size) ( { T_DjiOsalHandler *osalHandler = DjiPlatform_GetOsalHandler(); osalHandler->Malloc( size ); } )
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#define UTIL_OSAL_MEMRY_FREE(ptr) ( { T_DjiOsalHandler *osalHandler = DjiPlatform_GetOsalHandler(); osalHandler->Free( ptr ); } )
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#define UTIL_OSAL_SEM_FREE_MAY_RETURN(sem) ( { T_DjiOsalHandler *osalHandler = DjiPlatform_GetOsalHandler(); if( DJI_ERROR_SYSTEM_MODULE_CODE_SUCCESS != osalHandler->SemaphoreDestroy( sem ) ) { return DJI_ERROR_SYSTEM_MODULE_CODE_INVALID_PARAMETER; } } )
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#define UTIL_OSAL_SEM_INIT_MAY_RETURN(sem) ( { T_DjiOsalHandler *osalHandler = DjiPlatform_GetOsalHandler(); if( DJI_ERROR_SYSTEM_MODULE_CODE_SUCCESS != osalHandler->SemaphoreCreate( 0, sem ) ) { return DJI_ERROR_SYSTEM_MODULE_CODE_INVALID_PARAMETER; } } )
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#define UTIL_OSAL_SEM_POST_MAY_RETURN(sem) ( { T_DjiOsalHandler *osalHandler = DjiPlatform_GetOsalHandler(); if( DJI_ERROR_SYSTEM_MODULE_CODE_SUCCESS != osalHandler->SemaphorePost( sem ) ) { return DJI_ERROR_SYSTEM_MODULE_CODE_INVALID_PARAMETER; } } )
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#define UTIL_OSAL_SEM_WAIT_MAY_RETURN(sem) ( { T_DjiOsalHandler *osalHandler = DjiPlatform_GetOsalHandler(); if( DJI_ERROR_SYSTEM_MODULE_CODE_SUCCESS != osalHandler->SemaphoreWait( sem ) ) { return DJI_ERROR_SYSTEM_MODULE_CODE_INVALID_PARAMETER; } } )
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#define UTIL_OSAL_SEM_WAIT_FOR(sem,ms) ( { T_DjiOsalHandler *osalHandler = DjiPlatform_GetOsalHandler(); if( DJI_ERROR_SYSTEM_MODULE_CODE_SUCCESS != osalHandler->SemaphoreTimedWait( sem, ms ) ) { return DJI_ERROR_SYSTEM_MODULE_CODE_INVALID_PARAMETER; } } )
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#define UTIL_OSAL_MUTEX_FREE_MAY_RETURN(mutex) ( { T_DjiOsalHandler *osalHandler = DjiPlatform_GetOsalHandler(); if( DJI_ERROR_SYSTEM_MODULE_CODE_SUCCESS != osalHandler->MutexDestroy( mutex ) ) { return DJI_ERROR_SYSTEM_MODULE_CODE_INVALID_PARAMETER; } } )
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#define UTIL_OSAL_MUTEX_INIT_MAY_RETURN(mutex) ( { T_DjiOsalHandler *osalHandler = DjiPlatform_GetOsalHandler(); if( DJI_ERROR_SYSTEM_MODULE_CODE_SUCCESS != osalHandler->MutexCreate( mutex ) ) { return DJI_ERROR_SYSTEM_MODULE_CODE_INVALID_PARAMETER; } } )
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#define UTIL_OSAL_MUTEX_LOCK_MAY_RETURN(mutex) ( { T_DjiOsalHandler *osalHandler = DjiPlatform_GetOsalHandler(); if( DJI_ERROR_SYSTEM_MODULE_CODE_SUCCESS != osalHandler->MutexLock( mutex ) ) { return DJI_ERROR_SYSTEM_MODULE_CODE_INVALID_PARAMETER; } } )
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#define UTIL_OSAL_MUTEX_UNLOCK_MAY_RETURN(mutex) ( { T_DjiOsalHandler *osalHandler = DjiPlatform_GetOsalHandler(); if( DJI_ERROR_SYSTEM_MODULE_CODE_SUCCESS != osalHandler->MutexUnlock( mutex ) ) { return DJI_ERROR_SYSTEM_MODULE_CODE_INVALID_PARAMETER; } } )
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#define UTIL_LINKLIST_IS_EMPTY(l) ( ((l).first == NULL) ? true : false )
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/* Exported types ------------------------------------------------------------*/
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typedef struct tagT_UtilListNode {
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struct tagT_UtilListNode *next;
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struct tagT_UtilListNode *prev;
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void *data;
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} T_UtilListNode;
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typedef struct tagT_UtilLinkList {
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T_UtilListNode *first;
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T_UtilListNode *last;
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uint32_t count;
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} T_UtilLinkList;
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/* Exported functions --------------------------------------------------------*/
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UTIL_LINK_LIST_EXT void DjiUserUtil_ListNodeDeleteDataOnly( T_UtilListNode *node );
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UTIL_LINK_LIST_EXT void DjiUserUtil_ListNodeDeleteNodeSelf( T_UtilListNode *node );
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UTIL_LINK_LIST_EXT void DjiUserUtil_InitListNode( T_UtilListNode *node, void *data );
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UTIL_LINK_LIST_EXT T_UtilListNode *DjiUserUtil_NewListNode( void *data );
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UTIL_LINK_LIST_EXT void DjiUserUtil_LinkListDestory( T_UtilLinkList *linkList );
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UTIL_LINK_LIST_EXT void DjiUserUtil_LinkListAddNodeFirst( T_UtilLinkList *linkList, T_UtilListNode *node );
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UTIL_LINK_LIST_EXT void DjiUserUtil_LinkListAddNodeLast( T_UtilLinkList *linkList, T_UtilListNode *node );
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UTIL_LINK_LIST_EXT void DjiUserUtil_InitLinkList( T_UtilLinkList *linkList );
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UTIL_LINK_LIST_EXT T_UtilLinkList *DjiUserUtil_NewLinkList( void );
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UTIL_LINK_LIST_EXT void DjiUserUtil_LinkListRemoveNodeOnly( T_UtilLinkList *linkList, T_UtilListNode *node );
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#ifdef __cplusplus
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}
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#endif
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#endif // UTIL_LINK_LIST_H
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/************************ (C) COPYRIGHT DJI Innovations *******END OF FILE******/
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