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/* V0.1 Initial Release 10/July/2006 RBR */ #include "compiler.h" #include "lrwpan_config.h" //user configurations #include "lrwpan_common_types.h" //types common acrosss most files #include "ieee_lrwpan_defs.h" #include "console.h" #include "hal.h" #include "halstack.h" #include "phy.h" #include "mac.h" #include "sendpack.h" //#include "nwk.h" //#include "neighbor.h" SUB_MAC_FRAME submacCurrentFrame; /* typedef enum _MAC_RXSTATE_ENUM { MAC_RXSTATE_IDLE, MAC_RXSTATE_NWK_HANDOFF, MAC_RXSTATE_CMD_PENDING } MAC_RXSTATE_ENUM;*/ // //static MAC_RXSTATE_ENUM macRxState; MAC_PIB mac_pib; //MAC_SERVICE a_mac_service; //MAC_STATE_ENUM macState; NODE_INFO macInfo; //there can only be one TX in progress at a time, so //a_mac_tx_data contains the arguments for that TX. MAC_TX_DATA a_mac_tx_data; //this is used for parsing of current packet. MAC_RX_DATA a_mac_rx_data; LRWPAN_STATUS_ENUM macTxFSM_status; //locals //static UINT32 mac_utility_timer; //utility timer //local functions //static void macTxData(void); static void macParseHdr(void); static void macRxFSM(void); //does not turn on radio. void macInit(void){ BYTE *p; //macState = MAC_STATE_IDLE; //macRxState = MAC_RXSTATE_IDLE; mac_pib.flags.val = 0; mac_pib.rxTail = 0; mac_pib.rxHead = 0; mac_pib.macPANID = LRWPAN_DEFAULT_PANID; //mac_pib.macMaxAckRetries = aMaxFrameRetries; macInfo.panID.Val=0xffff; macInfo.panID.Val=0xffff; p = (BYTE*) &macInfo.longAddr;// Initialize the MAC address *p++ = (DEFAULTID >>8)&0xFF; //MAC_LONG_ADDR_BYTE1; *p++ = DEFAULTID & 0xFF; //MAC_LONG_ADDR_BYTE0; //ntInitAddressMap(); //init the address map #ifdef LRWPAN_COORDINATOR mac_pib.depth = 0; #else mac_pib.depth = 1; //depth will be at least one #endif mac_pib.bcnDepth = 0xFF; //remembers depth of node that responded to beacon //other capability information mac_pib.macCapInfo = 0; #ifdef LRWPAN_ALT_COORDINATOR //not supported, included for completeness LRWPAN_SET_CAPINFO_ALTPAN(mac_pib.macCapInfo); #endif #ifdef LRWPAN_FFD LRWPAN_SET_CAPINFO_DEVTYPE(mac_pib.macCapInfo); #endif #ifdef LRWPAN_ACMAIN_POWERED LRWPAN_SET_CAPINFO_PWRSRC(mac_pib.macCapInfo); #endif #ifdef LRWPAN_RCVR_ON_WHEN_IDLE LRWPAN_SET_CAPINFO_RONIDLE(mac_pib.macCapInfo); #endif #ifdef LRWPAN_SECURITY_CAPABLE LRWPAN_SET_CAPINFO_SECURITY(mac_pib.macCapInfo); #endif //always allocate a short address LRWPAN_SET_CAPINFO_ALLOCADDR(mac_pib.macCapInfo); } //this assumes that phyInit, macInit has previously been called. //turns on the radio LRWPAN_STATUS_ENUM macInitRadio(void) { phy_pib.phyCurrentFrequency = LRWPAN_DEFAULT_FREQUENCY; phy_pib.phyCurrentChannel = LRWPAN_DEFAULT_START_CHANNEL; if (phy_pib.phyCurrentChannel < 11){ mac_pib.macAckWaitDuration = SYMBOLS_TO_MACTICKS(120); } else { mac_pib.macAckWaitDuration = SYMBOLS_TO_MACTICKS(54); } a_phy_service.args.phy_init_radio_args.radio_flags.bits.listen_mode = 0; #ifdef LRWPAN_COORDINATOR a_phy_service.args.phy_init_radio_args.radio_flags.bits.pan_coordinator = 1; #else a_phy_service.args.phy_init_radio_args.radio_flags.bits.pan_coordinator = 0; #endif halInitRadio(phy_pib.phyCurrentFrequency, phy_pib.phyCurrentChannel, a_phy_service.args.phy_init_radio_args.radio_flags); #ifdef LRWPAN_USE_STATIC_PANID halSetRadioPANID(LRWPAN_DEFAULT_PANID); //listen on this PANID #else halSetRadioPANID(0xFFFF); //broadcast #endif halSetRadioShortAddr(0xFFFE); //non-broadcast, reserved return(a_phy_service.status); } void macSetPANID(UINT16 panid){ mac_pib.macPANID = panid; halSetRadioPANID(mac_pib.macPANID); } void macSetChannel(BYTE channel){ phy_pib.phyCurrentChannel = channel; halSetChannel(channel); } BYTE macGetChannel() { return phy_pib.phyCurrentChannel; } void macSetShortAddr(UINT16 saddr) { halSetRadioShortAddr(saddr); } unsigned char gMacDSN=0; void MACPutHeader(NODE_INFO *dest, BYTE frameCON) { BYTE c; BYTE dstmode, srcmode; //DEBUG_STRING(DBG_TX,"macTxData()-header\n"); a_mac_tx_data.fcflsb = frameCON; a_mac_tx_data.fcfmsb = LRWPAN_FCF_DSTMODE_SADDR|LRWPAN_FCF_SRCMODE_NOADDR; a_mac_tx_data.DestAddr.saddr = LRWPAN_BCAST_PANID; a_mac_tx_data.DestPANID = LRWPAN_BCAST_PANID; a_mac_tx_data.SrcPANID = LRWPAN_BCAST_PANID; dstmode = LRWPAN_GET_DST_ADDR(a_mac_tx_data.fcfmsb); srcmode = LRWPAN_GET_SRC_ADDR(a_mac_tx_data.fcfmsb); if (mac_pib.macPANID == 0xFFFE && srcmode == LRWPAN_ADDRMODE_SADDR) { srcmode = LRWPAN_ADDRMODE_LADDR; a_mac_tx_data.fcfmsb = a_mac_tx_data.fcfmsb & ~LRWPAN_FCF_SRCMODE_MASK; LRWPAN_SET_SRC_ADDR(a_mac_tx_data.fcfmsb,LRWPAN_ADDRMODE_LADDR); } phy_pib.currentTxFrm = tmpTxBuff; phy_pib.currentTxFlen=0; //format LSB Fcontrol //phy_pib.currentTxFrm++; *phy_pib.currentTxFrm = a_mac_tx_data.fcflsb; //format MSB Fcontrol phy_pib.currentTxFrm++; *phy_pib.currentTxFrm = a_mac_tx_data.fcfmsb; //format dsn mac_pib.macDSN = gMacDSN++; phy_pib.currentTxFrm++; *phy_pib.currentTxFrm = mac_pib.macDSN; //set DSN phy_pib.currentTxFlen = phy_pib.currentTxFlen + 3; //DSN, FCFLSB, FCFMSB //format dst PANID, will be present if both dst is nonzero if (dstmode != LRWPAN_ADDRMODE_NOADDR) { phy_pib.currentTxFrm++; *phy_pib.currentTxFrm = (BYTE)a_mac_tx_data.DestPANID; phy_pib.currentTxFrm++; *phy_pib.currentTxFrm = (BYTE) (a_mac_tx_data.DestPANID >> 8); phy_pib.currentTxFlen=phy_pib.currentTxFlen+2; } //format dst Address switch(dstmode) { case LRWPAN_ADDRMODE_NOADDR: break; case LRWPAN_ADDRMODE_SADDR: phy_pib.currentTxFrm++; *phy_pib.currentTxFrm = (BYTE)a_mac_tx_data.DestAddr.saddr; phy_pib.currentTxFrm++; *phy_pib.currentTxFrm = (BYTE)(a_mac_tx_data.DestAddr.saddr >> 8); phy_pib.currentTxFlen=phy_pib.currentTxFlen+2; break; case LRWPAN_ADDRMODE_LADDR: for(c=0;c<8;c++) { phy_pib.currentTxFrm++; *phy_pib.currentTxFrm = a_mac_tx_data.DestAddr.laddr.bytes[c]; } phy_pib.currentTxFlen=phy_pib.currentTxFlen+8; break; default: break; } //format src PANID if ( !LRWPAN_GET_INTRAPAN(a_mac_tx_data.fcflsb) && srcmode != LRWPAN_ADDRMODE_NOADDR ) { phy_pib.currentTxFrm++; *phy_pib.currentTxFrm = (BYTE)a_mac_tx_data.SrcPANID; phy_pib.currentTxFrm++; *phy_pib.currentTxFrm = (BYTE) (a_mac_tx_data.SrcPANID >> 8); phy_pib.currentTxFlen=phy_pib.currentTxFlen+2; } //format src Address switch(srcmode) { case LRWPAN_ADDRMODE_NOADDR: break; case LRWPAN_ADDRMODE_SADDR: phy_pib.currentTxFrm++; *phy_pib.currentTxFrm = (BYTE)a_mac_tx_data.SrcAddr; phy_pib.currentTxFrm++; *phy_pib.currentTxFrm = (BYTE)(a_mac_tx_data.SrcAddr >> 8); phy_pib.currentTxFlen=phy_pib.currentTxFlen+2; break; case LRWPAN_ADDRMODE_LADDR: //this has to be our own long address, get it halGetProcessorIEEEAddress_ASC(phy_pib.currentTxFrm-8); phy_pib.currentTxFlen=phy_pib.currentTxFlen+8; phy_pib.currentTxFrm = phy_pib.currentTxFrm+8; break; default: break; } } void MACPutArray(BYTE *data,BYTE len) //bhj 本函数在数组�