点对点通信_radio.c

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1、/******************************************************************************Filename:    radio.cTarget:      cc2430Revised:     16/12-2005Revision:    1.0******************************************************************************/#include"cul.h

2、"externvolatileBYTEsppRxStatus;externvolatileBYTEsppTxStatus;__no_initSPP_RX_STRUCTrxData@"PM0_XDATA"; //rxData__no_initSPP_TX_STRUCTtxData@"PM0_XDATA"; //txData/*typedefstruct{   BYTEpayloadLength;   BYTEdestAddress;   BYTEflags;   BYTE*payload;}SPP

3、_TX_STRUCT;typedefstruct{   BYTEpayloadLength;   BYTEdestAddress;   BYTEsrcAddress;   BYTEflags;   BYTEpayload[SPP_MAX_PAYLOAD_LENGTH+SPP_FOOTER_LENGTH];}SPP_RX_STRUCT;*///-----------------------------------------------------------------------------/

4、/Seecul.hforadescriptionofthisfunction./*ThisfunctioninitializestheradiobycallingsppInit.Thefrequencyofoperationissetandthisnodesaddressisstored.Theradioissetupforhandlingnon-IEEE802.15.4packets.这个函数初始化radio(运行SPP模式时)：设置频率及节点地址。*///------------------

5、-----------------------------------------------------------voidradioInit(UINT32frequency,BYTElocalAddress){  sppInit(frequency,localAddress);  return;}//-----------------------------------------------------------------------------//Seecul.hforadescri

6、ptionofthisfunction./*Thisfunctionsendsdataofagivenlengtheithertoaspecifiedrecipient(maybebroadcast)usingtheradio.IfthenumberofbytestobetransferredislargerthanthesizeoftheTXFIFO,thedataissplitoveranadequatenumberofpackets.ThefunctionusestheSPPlibrary

7、.Iftheradioisbusy,orthepacketissentbutnotACK'ed,thetransmissionisretried.Iftheretiresfails,thefunctionreturnsFALSE.IfthepacketisACK'edcorrectlybythereceiver,thefunctionreturnsTRUE.transmitData：指向将被传送的数据。dataLenght：被传送数据的长度。remoteAddress：接收数据包的节点地址。do

8、Ack：设置是否需要应答。*///-----------------------------------------------------------------------------/*contionuousMode()调用的radioSend()：res=radioSend(sendBuffer,sizeof(sendBuffer),remoteAddr,DO_NOT_ACK);其中sendBuffer[]="Hello";即为所要发送的数据，transmitData指向sendBuff