1-14 实验11 获取网络拓扑
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获取网络拓扑
1、实验内容：PC端串口调试助手向协调器发送命名“topology”,协调器接受到命令后，将网络拓扑信息发送到PC机串口调试助手上。
2、知识点：在1-11 实验9 网络管理实验1 获取自身和父节点的网络地址、MAC地址 中，我们知道每个节点都获取自身和父节点的网络地址，然后发送到协调器节点，然后再通过串口写到串口的调试助手上。这样就可以获得整个网络的拓扑结构啦。
3、程序设计
协调器程序设计
//NewCoordinator.h文件中添加如下结构体。
typedef struct rftx{ uint8 type[3]; uint8 myNWK[4]; uint8 pNWK[4]; }RFTX;NewCoordinator.c文件如下：#include "OSAL.h"#include "AF.h"#include "ZDApp.h"#include "ZDObject.h"#include "ZDProfile.h"#include "NewCoordinator.h"//#include "GenericApp.h"#include "DebugTrace.h"#if !defined( WIN32 ) #include "OnBoard.h"#endif/* HAL */#include "hal_lcd.h"#include "hal_led.h"#include "hal_key.h"#include "hal_uart.h"/********************************************************************* * MACROS *//********************************************************************* * CONSTANTS *//********************************************************************* * TYPEDEFS *//********************************************************************* * GLOBAL VARIABLES */// This list should be filled with Application specific Cluster IDs.const cId_t GenericApp_ClusterList[GENERICAPP_MAX_CLUSTERS] ={ GENERICAPP_CLUSTERID};const SimpleDescriptionFormat_t GenericApp_SimpleDesc ={ GENERICAPP_ENDPOINT, // int Endpoint; GENERICAPP_PROFID, // uint16 AppProfId[2]; GENERICAPP_DEVICEID, // uint16 AppDeviceId[2]; GENERICAPP_DEVICE_VERSION, // int AppDevVer:4; GENERICAPP_FLAGS, // int AppFlags:4; //下面的初始化 二选一！！！！！！！！ GENERICAPP_MAX_CLUSTERS, // byte AppNumInClusters; (cId_t *)GenericApp_ClusterList, // byte *pAppInClusterList; // GENERICAPP_MAX_CLUSTERS, // byte AppNumInClusters; // (cId_t *)GenericApp_ClusterList // byte *pAppInClusterList; 0, (cId_t *)NULL};// This is the Endpoint/Interface description. It is defined here, but// filled-in in GenericApp_Init(). Another way to go would be to fill// in the structure here and make it a "const" (in code space). The// way it's defined in this sample app it is define in RAM.endPointDesc_t GenericApp_epDesc;/********************************************************************* * EXTERNAL VARIABLES *//********************************************************************* * EXTERNAL FUNCTIONS *//********************************************************************* * LOCAL VARIABLES */byte GenericApp_TaskID; // Task ID for internal task/event processing // This variable will be received when // GenericApp_Init() is called.devStates_t GenericApp_NwkState;byte GenericApp_TransID; // This is the unique message ID (counter)//afAddrType_t GenericApp_DstAddr;/********************************************************************* * LOCAL FUNCTIONS *///void GenericApp_ProcessZDOMsgs( zdoIncomingMsg_t *inMsg );//void GenericApp_HandleKeys( byte shift, byte keys );void GenericApp_MessageMSGCB( afIncomingMSGPacket_t *pckt );//处理事件//void GenericApp_SendTheMessage( void );//发送数据static void rxCB(uint8 port,uint8 envent);/********************************************************************* * NETWORK LAYER CALLBACKS *//********************************************************************* * PUBLIC FUNCTIONS *//********************************************************************* * @fn GenericApp_Init * * @brief Initialization function for the Generic App Task. * This is called during initialization and should contain * any application specific initialization (ie. hardware * initialization/setup, table initialization, power up * notificaiton ... ). * * @param task_id - the ID assigned by OSAL. This ID should be * used to send messages and set timers. * * @return none */void GenericApp_Init( byte task_id ){ GenericApp_TaskID = task_id; // GenericApp_NwkState = DEV_INIT; GenericApp_TransID = 0; // Device hardware initialization can be added here or in main() (Zmain.c). // If the hardware is application specific - add it here. // If the hardware is other parts of the device add it in main(). // GenericApp_DstAddr.addrMode = (afAddrMode_t)AddrNotPresent; // GenericApp_DstAddr.endPoint = 0; // GenericApp_DstAddr.addr.shortAddr = 0; // Fill out the endpoint description. GenericApp_epDesc.endPoint = GENERICAPP_ENDPOINT; GenericApp_epDesc.task_id = &GenericApp_TaskID; GenericApp_epDesc.simpleDesc = (SimpleDescriptionFormat_t *)&GenericApp_SimpleDesc; GenericApp_epDesc.latencyReq = noLatencyReqs; // Register the endpoint description with the AF afRegister( &GenericApp_epDesc ); //串口的设置，并打开串口 halUARTCfg_t uartConfig; uartConfig.configured =TRUE; uartConfig.baudRate =HAL_UART_BR_115200; uartConfig.flowControl=FALSE; // uartConfig.callBackFunc=NULL;//??????????????????????????????????? uartConfig.callBackFunc=rxCB; HalUARTOpen(0,&uartConfig); //打开串口}/********************************************************************* * @fn GenericApp_ProcessEvent * * @brief Generic Application Task event processor. This function * is called to process all events for the task. Events * include timers, messages and any other user defined events. * * @param task_id - The OSAL assigned task ID. * @param events - events to process. This is a bit map and can * contain more than one event. * * @return none */UINT16 GenericApp_ProcessEvent( byte task_id, UINT16 events ){ afIncomingMSGPacket_t *MSGpkt; HalLedBlink(HAL_LED_1,0,50,500); if ( events & SYS_EVENT_MSG ) { MSGpkt = (afIncomingMSGPacket_t *)osal_msg_receive( GenericApp_TaskID ); while ( MSGpkt ) { switch ( MSGpkt->hdr.event ) { case AF_INCOMING_MSG_CMD: //天线接收到数据 HalLedBlink(HAL_LED_2,0,50,500); GenericApp_MessageMSGCB( MSGpkt ); //接收数据并把数据发送到UART break; default: break; } // Release the memory osal_msg_deallocate( (uint8 *)MSGpkt ); // Next MSGpkt = (afIncomingMSGPacket_t *)osal_msg_receive( GenericApp_TaskID ); } // return unprocessed events return (events ^ SYS_EVENT_MSG); } return 0;}/********************************************************************* * LOCAL FUNCTIONS *//********************************************************************* * @fn GenericApp_MessageMSGCB * * @brief Data message processor callback. This function processes * any incoming data - probably from other devices. So, based * on cluster ID, perform the intended action. * * @param none * * @return none */ RFTX rftx;void GenericApp_MessageMSGCB( afIncomingMSGPacket_t *pkt ){ switch ( pkt->clusterId ) { case GENERICAPP_CLUSTERID: osal_memcpy(&rftx,pkt->cmd.Data,sizeof(rftx)); //不使用rxCB时，放在这里，尽然只输出一行结果 /* uint8 changeline[2]={0x0A,0x0D}; HalUARTWrite(0,"Type: ",osal_strlen("Type:")); HalUARTWrite(0,rftx.type,3); HalUARTWrite(0," NWK:",osal_strlen(" NWK:")); //刚才用了sizeof(" NWK:") HalUARTWrite(0,rftx.myNWK,sizeof(rftx.myNWK)); ////刚才用了sizeof(rftx.myNWk),是不能正确显示的 HalUARTWrite(0," pNWK:",osal_strlen(" pNWK:")); HalUARTWrite(0,rftx.pNWK,sizeof(rftx.pNWK)); HalUARTWrite(0,changeline,2);*/ break; }}static void rxCB(uint8 port,uint8 envent){ uint8 changeline[2]={0x0A,0x0D}; uint8 buf[8]; HalUARTRead(0,buf,8); if(osal_memcmp(buf,"topology",8)) { HalUARTWrite(0,"Type: ",osal_strlen("Type:")); HalUARTWrite(0,rftx.type,3); HalUARTWrite(0," NWK:",osal_strlen(" NWK:")); //刚才用了sizeof(" NWK:") HalUARTWrite(0,rftx.myNWK,sizeof(rftx.myNWK)); ////刚才用了sizeof(rftx.myNWk),是不能正确显示的 HalUARTWrite(0," pNWK:",osal_strlen(" pNWK:")); HalUARTWrite(0,rftx.pNWK,sizeof(rftx.pNWK)); HalUARTWrite(0,changeline,2); }}路由器节点或终端节点(共用的Enddevice.c文件)#include "OSAL.h"#include "AF.h"#include "ZDApp.h"#include "ZDObject.h"#include "ZDProfile.h"#include "NewCoordinator.h"//#include "GenericApp.h"#include "DebugTrace.h"#if !defined( WIN32 ) #include "OnBoard.h"#endif/* HAL */#include "hal_lcd.h"#include "hal_led.h"#include "hal_key.h"#include "hal_uart.h"#define SEND_DATA_EVENT 0x01/********************************************************************* * MACROS *//********************************************************************* * CONSTANTS *//********************************************************************* * TYPEDEFS *//********************************************************************* * GLOBAL VARIABLES */// This list should be filled with Application specific Cluster IDs.const cId_t GenericApp_ClusterList[GENERICAPP_MAX_CLUSTERS] ={ GENERICAPP_CLUSTERID};const SimpleDescriptionFormat_t GenericApp_SimpleDesc ={ GENERICAPP_ENDPOINT, // int Endpoint; GENERICAPP_PROFID, // uint16 AppProfId[2]; GENERICAPP_DEVICEID, // uint16 AppDeviceId[2]; GENERICAPP_DEVICE_VERSION, // int AppDevVer:4; GENERICAPP_FLAGS, // int AppFlags:4; //下面是二选一 0, (cId_t*)0, //GENERICAPP_MAX_CLUSTERS, // byte AppNumInClusters; // (cId_t *)GenericApp_ClusterList, // byte *pAppInClusterList; GENERICAPP_MAX_CLUSTERS, // byte AppNumInClusters; (cId_t *)GenericApp_ClusterList // byte *pAppInClusterList;};// This is the Endpoint/Interface description. It is defined here, but// filled-in in GenericApp_Init(). Another way to go would be to fill// in the structure here and make it a "const" (in code space). The// way it's defined in this sample app it is define in RAM.endPointDesc_t GenericApp_epDesc;/********************************************************************* * EXTERNAL VARIABLES *//********************************************************************* * EXTERNAL FUNCTIONS *//********************************************************************* * LOCAL VARIABLES */byte GenericApp_TaskID; // Task ID for internal task/event processing // This variable will be received when // GenericApp_Init() is called.devStates_t GenericApp_NwkState;byte GenericApp_TransID; // This is the unique message ID (counter)//afAddrType_t GenericApp_DstAddr; //???????????????/********************************************************************* * LOCAL FUNCTIONS *///void GenericApp_ProcessZDOMsgs( zdoIncomingMsg_t *inMsg );//void GenericApp_HandleKeys( byte shift, byte keys );void GenericApp_MessageMSGCB( afIncomingMSGPacket_t *pckt );void GenericApp_SendTheMessage( void );void To_string(uint8 *dest,char* src,uint8 length);//二进制书转化为十六进制数 //static void rxCB(uint8 port,uint8 envent);/********************************************************************* * NETWORK LAYER CALLBACKS *//********************************************************************* * PUBLIC FUNCTIONS *//********************************************************************* * @fn GenericApp_Init * * @brief Initialization function for the Generic App Task. * This is called during initialization and should contain * any application specific initialization (ie. hardware * initialization/setup, table initialization, power up * notificaiton ... ). * * @param task_id - the ID assigned by OSAL. This ID should be * used to send messages and set timers. * * @return none */void GenericApp_Init( byte task_id ){ GenericApp_TaskID = task_id; GenericApp_NwkState = DEV_INIT; GenericApp_TransID = 0; // Fill out the endpoint description. GenericApp_epDesc.endPoint = GENERICAPP_ENDPOINT; GenericApp_epDesc.task_id = &GenericApp_TaskID; GenericApp_epDesc.simpleDesc = (SimpleDescriptionFormat_t *)&GenericApp_SimpleDesc; GenericApp_epDesc.latencyReq = noLatencyReqs; // Register the endpoint description with the AF afRegister( &GenericApp_epDesc ); //串口的设置，并打开串口 halUARTCfg_t uartConfig; uartConfig.configured =TRUE; uartConfig.baudRate =HAL_UART_BR_115200; uartConfig.flowControl=FALSE; uartConfig.callBackFunc=NULL;//???????????????????????????????????// uartConfig.callBackFunc=rxCB; HalUARTOpen(0,&uartConfig); //打开串口 //这里就不用添加事件了！！！倒回去看什么时候要添加事件 ??????? // Register for all key events - This app will handle all key events //RegisterForKeys( GenericApp_TaskID );}/********************************************************************* * @fn GenericApp_ProcessEvent * * @brief Generic Application Task event processor. This function * is called to process all events for the task. Events * include timers, messages and any other user defined events. * * @param task_id - The OSAL assigned task ID. * @param events - events to process. This is a bit map and can * contain more than one event. * * @return none */UINT16 GenericApp_ProcessEvent( byte task_id, UINT16 events ){ afIncomingMSGPacket_t *MSGpkt; if ( events & SYS_EVENT_MSG ) { MSGpkt = (afIncomingMSGPacket_t *)osal_msg_receive( GenericApp_TaskID ); while ( MSGpkt ) { switch ( MSGpkt->hdr.event ) { case ZDO_STATE_CHANGE: GenericApp_NwkState = (devStates_t)(MSGpkt->hdr.status); if ( (GenericApp_NwkState == DEV_ROUTER) || (GenericApp_NwkState == DEV_END_DEVICE) ) { osal_set_event(GenericApp_TaskID,SEND_DATA_EVENT); } break; default: break; } // Release the memory osal_msg_deallocate( (uint8 *)MSGpkt ); // Next MSGpkt = (afIncomingMSGPacket_t *)osal_msg_receive( GenericApp_TaskID ); } // return unprocessed events return (events ^ SYS_EVENT_MSG); } if ( events & SEND_DATA_EVENT ) { //这里添加获取自己和父节点的NWK地址 HalLedBlink(HAL_LED_2,0,50,500); // Send "the" message GenericApp_SendTheMessage(); //AF发送 osal_start_timerEx( GenericApp_TaskID, SEND_DATA_EVENT, //事件 GENERICAPP_SEND_MSG_TIMEOUT );//定时时间 return (events ^ SEND_DATA_EVENT); } // Discard unknown events return 0;}/********************************************************************* * @fn GenericApp_SendTheMessage * * @brief Send "the" message. * * @param none * * @return none */RFTX rftx;void GenericApp_SendTheMessage( void )//AF发送{ uint16 nwk; if (GenericApp_NwkState == DEV_ROUTER) osal_memcpy(rftx.type,"ROU",3); else if(GenericApp_NwkState == DEV_END_DEVICE) osal_memcpy(rftx.type,"DEV",3); nwk=NLME_GetShortAddr(); To_string(rftx.myNWK,(uint8*)&nwk,2); nwk=NLME_GetCoordShortAddr(); To_string(rftx.pNWK,(uint8*)&nwk,2); //下面是串口输出，尽然不管用，不是没有配置串口和打开串口的原因。到底是哪里出了问题呢？？？ uint8 changeline[2]={0x0A,0x0D}; HalUARTWrite(0,"Type: ",osal_strlen("Type:")); HalUARTWrite(0,rftx.type,3); HalUARTWrite(0," NWK:",osal_strlen(" NWK:")); //刚才用了sizeof(" NWK:") HalUARTWrite(0,rftx.myNWK,sizeof(rftx.myNWK)); ////刚才用了sizeof(rftx.myNWk),是不能正确显示的 HalUARTWrite(0," pNWK:",osal_strlen(" pNWK:")); HalUARTWrite(0,rftx.pNWK,sizeof(rftx.pNWK)); HalUARTWrite(0,changeline,2); afAddrType_t my_DstAddr; // my_DstAddr.addrMode=(afAddrMode_t)Addr16Bit; my_DstAddr.endPoint=GENERICAPP_ENDPOINT; my_DstAddr.addr.shortAddr=0x0000; if ( AF_DataRequest(&my_DstAddr, &GenericApp_epDesc, GENERICAPP_CLUSTERID, 11,// sizeof(rftx), (uint8 *)&rftx, &GenericApp_TransID, AF_DISCV_ROUTE, AF_DEFAULT_RADIUS ) == afStatus_SUCCESS ) { HalLedBlink(HAL_LED_1,0,50,500); }}/*static void rxCB(uint8 port,uint8 envent){ uint8 changeline[2]={0x0A,0x0D}; HalUARTWrite(0,"Type: ",osal_strlen("Type:")); HalUARTWrite(0,rftx.type,3); HalUARTWrite(0," NWK:",osal_strlen(" NWK:")); //刚才用了sizeof(" NWK:") HalUARTWrite(0,rftx.myNWK,sizeof(rftx.myNWK)); ////刚才用了sizeof(rftx.myNWk),是不能正确显示的 HalUARTWrite(0," pNWK:",osal_strlen(" pNWK:")); HalUARTWrite(0,rftx.pNWK,sizeof(rftx.pNWK)); HalUARTWrite(0,changeline,2); }*/void To_string(uint8 *dest,char* src,uint8 length)//二进制书转化为十六进制数 { uint8* xad; uint8 i=0; uint8 ch; xad=src+length-1; for(i=0;i<length;i++,xad--) { ch=(*xad>>4)&0x0F; //除以十六 dest[i<<1]=ch+((ch<10)?'0':'7'); ch=*xad&0x0F; dest[(i<<1)+1]=ch+((ch<10)?'0':'7'); } } 4、实验结果（只有两块板子，一个做协调器，另一个只能做路由节点或终端节点，所以看不到拓扑的结果）
5、注意：（因为下面一条语句，又花我一个下午，搞残了哥！！！）
HalUARTWrite(0," NWK:",osal_strlen(" NWK:")); //osal_strlen(" NWK:")用了sizeof(" NWK:")
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