5.點(diǎn)播通訊-無線通訊實(shí)驗(yàn)內(nèi)容：實(shí)驗(yàn)多終端通訊掌握點(diǎn)對(duì)點(diǎn)通訊提示：如果3個(gè)模塊可將其中一個(gè)節(jié)點(diǎn)做路由器，再觀察現(xiàn)象更清楚。將程序分別到協(xié)調(diào)器、終端，連接串口。如果3個(gè)模塊，可將其中一個(gè)做路由器，上電可以看到只有協(xié)調(diào)器在一個(gè)周期內(nèi)收到信息。也就是說路由器和終端均與地址為0x00（協(xié)調(diào)實(shí)驗(yàn)詳解：打開..\EB2530\第5zigbee協(xié)議棧應(yīng)用與組網(wǎng)5.點(diǎn)播通訊-typedef {afAddrNotPresent= = //點(diǎn)播方 = //組播方式 = //廣播方式}typedef{{ //短地址ZLongAddr_t //IEEE地址} //傳送模式byte //端點(diǎn)號(hào)uint16 //usedfortheINTER_PAN}協(xié)調(diào)器的地址規(guī)定為增加發(fā)送函數(shù)，相信現(xiàn)在大家對(duì)下面的函數(shù)應(yīng)該很熟悉了。voidSampleApp_Send_P2P_Message(void{uint8 {}{//Erroroccurredinrequestto}}#define #define #define 搜索SampleApp_ProcessEvent，找到if(events&SAMPLEAPP_SEND_PERIODIC_MSG_EVT修改成如下代碼：if(events&SAMPLEAPP_SEND_PERIODIC_MSG_EVT{//Sendtheperiodic//SampleApp_SendPeriodicMessage();//注釋原來的發(fā)送函數(shù) //增加點(diǎn)播的發(fā)送函數(shù)//Setuptosendmessageagaininnormalperiod(+alittlejitter)osal_start_timerEx(SampleApp_TaskID,SAMPLEAPP_SEND_PERIODIC_MSG_EVT,(SAMPLEAPP_SEND_PERIODIC_MSG_TIMEOUT+(osal_rand()&0x00FF))//returnunprocessedreturn(events^}在接收方面，搜索找到SampleApp_MessageMSGCB，我們進(jìn)行如下修改（增加紅色部分void ingMSGPacket_t*pkt{uint16{case //提示接收到數(shù)據(jù)HalUARTWrite(0,pkt->cmd.Data,pkt->cmd.DataLength);//串口輸出接收到的數(shù)據(jù)HalUARTWrite(0,"\n",1); //回車換行casecaseflashTime=BUILD_UINT16(pkt->cmd.Data[1],pkt->cmd.Data[2]);HalLedBlink(HAL_LED_4,4,50,(flashTime/4));}}協(xié)調(diào)器不需要周期發(fā)數(shù)據(jù)，注釋協(xié)調(diào)器的周期caseif(//(SampleApp_NwkState==DEV_ZB_COORD)||{//Star dingtheperiodicmessageinaregularinte