arduino多點(diǎn)網(wǎng)絡(luò)溫度采集項(xiàng)目

EtｈeｒnetShiｅldoｎA(yù)rduino－ａｗebsｅrverexampleＰrojecｔnoｔe—ＡｒduinoＥtｈerｎetＳhieｌdＶ1.０１.SｃｈeｍaticThｅAｒduinｏEtｈernetShiｅldV1.0isdｅdｉcatedforｔheArduinobｏardｓ.ItuseｓtheＭicrochip’sENC28J60ＳＰＩbasedstand-aloｎｅEthernetｃonｔroller（HＹPERLINKdｏwnloａｄdatasｈeetｈerｅ)ａndaｃｏｍｐａｔibｌeＲJ45sockｅtｗithmagnetｉcs.SiｎcｅthｅENC28J60isａ３Ｖ3devicethatonlydrivｅ3V３logiclevelouｔputbutｃapaｂleｏfaｃceptinｇ5Vｌｏgiｃinｐｕt，a5ＶCMOS／ＴTLquaｄpositiｖeANDｇａt(yī)eｓ74HCT０8Disuseｄtocｏnvｅrｔthe3．3logiclｅveloutputto5Vloｇｉｃleveｌ．Ｆig1.ArduinｏEｔhernetShieldschematｉc2．SoｆtwaｒeＳtrｕctureTheＥtｈernetShｉeｌdsoftwaｒｅisinthefｏrｍatoｆArduinolibrａrｙ,whiｃhyoucandowｎlｏaｄfromＨYPEＲＬＩNKhere．TheｌibraｒyｉsimplｅmｅntedbaseｄonHYPＥRLINKtuｘ’sｏpen－souｒceTCＰ/IPstackfoｒAｔmｅga88aｎdENC2８Ｊ60.Ｔhｅmａｉnfilｅsiｎthelibraryare–etherShield.cpp—ａｗｒapｐercｐpfiｌe,ａｓanＡrｄｕｉｎｏliｂrarｙintｅｒfacewithtuxgｒaｐhic’ｓcoｄeip_arｐ_udp_tcｐ．c—simplｉｆiedTCP/IPstackimpｌemｅntationenc28ｊ6０.c—ENＣ28J60SPIroｕtiｎeｓｎｅｔ．h—netwｏrkprotｏcｏldefiｎiｔｉons３．TＣP/IＰimplemｅｎtaｔionＴhestandaｒdＴCPiｓａｐrotoclｔoestabｌｉｓｈacｏnneｃtiｏn.Ｔoｄｏthｉｓ,anｕmberofpaｃkｅｔsneeｄstobeｅxcｈagedbｅtweentwosideｓfirｓttｏeｓtａbｌishthｅcｏｎnecｔion；thenｄａt(yī)ａpackeｔscanｂeeｘcｈaｇeｄ.Usuaｌlyaｃomplicａt(yī)eｄstate-machineisｎeedｅdtoimplｅmｅnttheＴCPproｔocｏl.ForAuduｉno’ｓATMEGA1６８,a8-ｂitAVＲｍicrocoｎｔｒolｌｅrwｉth1KＳRＡＭ,iｔisimposｓibletoimｐleｍentｔｈｅfulｌTＣPｓｔａcｋ．Ａlsｏthｅｗｅｂpagefoｒ８-biｔｍicrocontrolｌerthａｔnorｍａllyisusedtocontｒolａrelaｙｏrreadatemperａt(yī)uｒesensoｒetｃ.,ｉsｖerysiｍple．Therｅfore,inｓteadofｉmｐlｅmenｔingfｕlｌTCPprｏtocｌ,asｉｎｇlｅdatapａcketTCPpｒｏtoｃｏliｓｕsed．Ｙouweｂpagecontents,incluｄinｇallhtｍlｔａgs,muｓtbeinonｅpacket．ＴhelｅnｇｔhofpackｅtisｌimｉtedbｙtｈｅSRAMsiｚe,currｅnｔlyｈalfoｆtheＲAMspａce(500bytes）ｉｓｕseｄfornｅtworkPaｃｋeｔbuffｅr.Itisｓufficientforsimpleｗebpagesａｓｓhowｎbｅlow.4．Ｅｔhershｅildｌiｂｒarｙｉnｓtallation＆modificatioｎＦirｓtdownloａdｔｈeeｔherｓhieｌｄliｂraryHＹPERLINKherｅ,thencoｐy&ｕnziｐthelｉｂｒaｒyｉnyourArｄuiｎoIDEｌibrarｙｄｉreｃtory(foｒexａmｐlearduiｎｏ-001０/ｈardｗaｒe/librａｒｉes／).Therｅarethrｅｅe(cuò)ｘaｍpｌesinthｅe(cuò)thｅrshiｅｌdlｉｂrａrｙ,ｙouｍｉghtneｅdtochanｇetheｉpａddrｅssintheexamplesketｃh(.pdｅ)ｆｉｌeｓ.Ｔheｉpａddressｍｕstｂeafreｅａdｄreｓswｉthyoｕrnetworkrａngｅstaticuiｎt8＿tmymac[6]={0x５4,0x55,0ｘ58,0x10,0x０0，0x２4｝；stａｔicｕｉｎｔ８＿ｔmyｉp[４]=｛１９2，１6８,1,15};sｔaticｃhaｒbaｓeurｌ[］="＂;Alsｏyoumightliketochaｎｇethｅweｂpaｇeｃonｔentsinｔｈeｐrinｔ_weｂｐagｅfuntion.NotethattheweｂｐagecｏnｔｅntｓａreｓｔoredｉｎtheＰＲOGMEM(ｕｓingPSTRdeclaration）tosaｖetｈｅpreciｏusSＲＡＭsｐace.5.ExamplesThreｅe(cuò)ｘamｐlesareinclｕdeｄｉntheetheｒshieldlｉbrary–ｅthershｉeld_ping.ｐdｅ—aPINGexａmpleeｔｈeｒｓhield_wｅbserver.pde—ageｎerａlwebserverexamplｅｅthershieｌd_web＿teｍｐeraturｅ．pde—awebseｒｖｅｒwitｈｔemperatｕreｓｅnsｏr(DS1８B２0)rｅaｄingsｅthershield_web＿swiｔch.pｄe—New—Ｗeｂseｒｖeｒｅxample，swiｔcｈｏｎ/offLEＤ#include＂eｔｈerSｈｉeld.h＂//ｐleaｓemｏｄifyｔhｅfoｌloｗiｎｇtｗｏlines.macaｎｄiｐhａvｅtobｅunique／／inyourlocalａrｅａnetwoｒk.Yoｕcanｎｏthavethesamenｕmbeｒsin／/ｔwｏdevｉcｅｓ：statiｃuint8_tｍymaｃ[６］＝｛0x54，0x５５,0ｘ58,0x10,０x00,0x24｝;statiｃｕint8_ｔmｙｉp［４]＝｛192，168,1,1５｝；staticcｈarbaｓeｕrl[］=＂＂;stａt(yī)icuｉｎt１6＿tmywｗwｐort=80;//liｓtenpｏrtfｏｒtcｐ/www(mａxranｇe1-２５4)#deｆｉｎeBＵＦFER＿SIZＥ500sｔａt(yī)ｉcｕint８_tｂｕｆ[BUFFER_ＳIZE+１];＃defｉnｅＳＴR_BUFFER_ＳIZE22statｉｃcｈarsｔrbuf[ＳTR_BUFＦER＿SIＺE+1];/／定義了兩個(gè)數(shù)組一種是uinｔ8＿tｂuｆ（５01），一種是stｒbuf（23）EｔherShielｄｅs＝EｔｈeｒＳhield();//prｅｐａrethｅｗｅbｐagebywｒiｔingｔhedatａｔｏthetcpsenｄbuｆfer//準(zhǔn)備網(wǎng)頁向tcｐ發(fā)送寄存器寫入數(shù)據(jù)uｉｎt1６_tpriｎt_ｗebｐaｇe(ｕｉｎｔ8_ｔ*buf,ｂyｔｅｏn_off）;int8_tanalｙse_cmd（ｃhａr＊str)；//LEDｃatｈode連接到thｅPｉn4,anodeｔo5Vthrｏuｇh１K電阻#dｅfineLEＤ_ＰIN４voidsｅtup（){/*初始化enc２8j60＊/?es．EＳ_enc2８ｊ6０Init(mymac);ｅs.ES＿enc２8j6０ｃｌkｏut(2)；//變換輸出時(shí)鐘changｅｃlkoutfrｏｍ6.25ＭHzto12．5MHｚｄeｌay(10);?/*Ｍagjacｋledsconfigｕratｉon，參見enc28j６0ｄaｔasheet，paｇe11*/ ／/LEＤA=green綠燈LEＤB＝ｙｅllow黃燈?// //0x8８0代表ＰＨLCＯNLEDB＝ｏｎ,ＬEDA=on燈ＡB都亮 ／/enｃ28ｊ６0ＰhｙWritｅ(PHＬＣON,０b0000１０00１00000０0);?es.ES_enｃ2８ｊ６0PｈyWrｉte(PHＬCＯN,0x880)；?dｅlaｙ(500)； ／/?//0x990代表PHLCONLEDB＝off,LEDA=oｆf燈ＡB都滅?//enc28j60PhｙＷrite(PHLCOＮ，0b0００0100110０１０0００)；?ｅs．ES＿eｎｃ28ｊ60PhｙWrｉte（ＰHLＣOＮ,0x99０)；?delａy(５00); //?／/0ｘ８80isPHＬCONＬEＤB=ｏn,LEDA＝oｎ //enｃ28j60PｈｙWrite(PＨLCON，0ｂ０0０010００１000００00）; es．ES_enc２8j６０PｈｙWｒｉtｅ（PHLCON，０ｘ８8０)；?dｅlay(50０);?/／?//０ｘ99０isPHLCＯＮLEDB＝ｏfｆ,LEDA=ofｆ //enｃ２8j６0PhyWｒiｔｅ（PHLCＯN,0b000０10011００10000);?ｅs.ＥS_ｅｎc2８j60ＰhyWriｔe(ＰHＬCOＮ,０ｘ99０）; delay(500）;?／//／0x476isPHLCONLEDA=liｎksstaｔus綠燈表達(dá)已連接，LEDＢ=ｒeceｉvｅ／tｒanｓmiｔ紅燈表達(dá)正在發(fā)送或接受數(shù)據(jù)//enc28ｊ60PhｙWｒite(PHLＣON,0b0000010００1110１10）;ｅs．ES_enc2８j60PｈyWrite(PHLCON，0x476）; delａy(１00);//初始化thｅe(cuò)theｒnｅt/iplayer：es．ES_init＿ip＿ａrp_uｄp_tcp(mｙmac,myip,80); pinMode(LＥD_PＩN,ＯUTPUＴ）;?digitalＷｒｉtｅ（LED_ＰIN,LOW)；//swiｔchonLＥD}vｏｉｄloｏp(){uiｎｔ1６＿tｐlen,daｔ_p;iｎt８_tcmd;byｔeon_off＝1;plｅn=eｓ.EＳ_ｅnc28ｊ60PaｃkｅtＲｅceivｅ（BUFＦEＲ_ＳIＺE,ｂuf);?/*如果收到有效地信息包plen便不等于零＊/iｆ(ｐlen?。?）{ //arpiｓbｒoａdｃasｔｉfunknownbｕtahostmayalsｏvｅｒifytheｍacaｄdreｓｓbysendingittoauｎicastadｄreｓs.ｉf(eｓ．ES_ｅth_tyｐe_is_arp_aｎd_my＿iｐ(ｂuf,plｅｎ）){es.ＥＳ_ｍake_aｒp_ａｎswer_from_requｅst(buｆ)；ｒｅtuｒn;}//cｈecｋifippacｋｅtsarｅfoｒus檢查iｐ信息包是不是發(fā)給我方旳：if(ｅs.ES＿eｔh_ｔyｐe＿iｓ_iｐ＿and_ｍy_ｉｐ(buｆ,plen）==0){ｒetｕrｎ;｝if(buf[ＩＰ_ＰRＯTO_P］＝=IP＿PROTO_ＩCMP_V&&bｕf[ICMP_TYPE_P］=＝ICＭP＿TＹPＥ＿ECHOＲEQUEST_V)｛ｅｓ.EＳ＿maｋe＿ｅcho_ｒeplｙ_from_rｅｑuesｔ(bｕf,plen);ｒeｔurn;｝／／tcpportwｗwsｔaｒｔ,ｃompareｏnlyｔhｅlｏwｅrbyteｉf(buf[IP_PＲOTＯ_P]＝=IP＿PROTO_TCP_V＆&ｂuf［TCＰ_DST_ＰＯRT＿H_P］=＝0＆&buf[TCP_ＤST_PORＴ_Ｌ_P］==ｍywｗwpoｒｔ)｛if（buf[TCP_FLAGS_P]&TＣP＿FＬAGS_SYN_V){ｅs.ES_ｍaｋｅ_ｔcp＿sｙnａｃk_ｆｒｏｍ_syn(ｂuf）;//make_ｔcp_ｓynaｃk＿from_ｓyndoesalreadysendthｅsyｎ,ackｒeturn;}ｉf(ｂｕf［ＴCP_ＦＬAGS_P］&TCP_FＬＡGS_ACK_Ｖ){ｅｓ.EＳ＿init_len_info(buf）;／/ｉnitsoｍedatasｔructurｅsｄat＿p=es．EＳ_get_tcp＿ｄａt(yī)a＿pointer（）;if(dat_p＝=0)｛/／wecanpｏssiｂlyhaｖenｏｄata,justack:if(bｕｆ[TCP_ＦLAGS_P］&TCP＿ＦLAGS＿ＦＩN_Ｖ）{es.EＳ_ｍaｋｅ＿tｃp_ａｃｋ_ｆｒom_aｎy(bｕf);}return;}if(strｎcmｐ("GET＂,(char*）&（bｕf[ｄat_p]),4)!=０){ /／ｈｅad,postaｎｄothermethodｓｆorpｏssibｌeｓtatuｓcodessee://ｐleｎ=es.ES_fiｌl_tcp＿dａt(yī)a＿ｐ(buf,0,ＰSTR(＂HTＴP／1.02０0OK\r＼nConteｎt－Tｙpe:text／ｈｔml\r\n\r\n<h1>200OK＜/ｈ1>")）；gotoＳＥNDTCＰ;}?if（strｎcmp（"/",(ｃhar*)&(buｆ［daｔ_ｐ＋4]),2)==0){ｐlen=print_wｅbｐaｇe（buf,ｏｎ_off);gotoSENＤTCP；}cmd=ａnalyｓe_cｍd（（char*)&(bｕｆ［ｄａt(yī)_p+５]));if(cmd==2){oｎ_off=1；?ｄｉgitalWriｔｅ（LED_PIN,LOW)；//打開ＬEＤ｝elseiｆ(cmd==3){on_off=０; ｄｉgitalWrite（LEＤ_PIN，ＨIGＨ);/／關(guān)上LED}plen＝ｐrｉnt＿weｂpage(ｂuf,on_off);? plｅn=print_wｅbｐage(buf，on＿ｏfｆ);SEＮDＴCP：ｅs．ES_mａke_tｃp_acｋ_fｒom_anｙ(buf);//ｓeｎdａcｋfoｒｈtｔpｇeteｓ.ＥS_make＿ｔｃp_ack_witｈ_data(bｕf，pｌeｎ）；/／ｓeｎdｄata}}}}//Therｅtｕrnedvalueisstoｒedintheglobalvarsｔrbuｆuinｔ8_tfiｎｄ_key＿vaｌ(ｃhａr＊str,char*ｋey){ｕｉnｔ8_tfoｕnd=0;ｕiｎt8_ｔi＝０；ｃhar*kp;kp=kｅy；whiｌe(＊str&&*ｓｔr?。?'&&fouｎd==0）{if(*stｒ==*kp)｛kp++;ｉf（*kｐ=＝'\0'){str++;kp=key;iｆ（＊str=='='){found=1;}}}ｅｌsｅ{kp=kｅｙ;}ｓｔr+＋;｝if(fouｎd==1){／/cｏpyｔhevalueｔｏaｂuffeｒandterminaｔeiｔwｉth'＼0＇whｉlｅ(*sｔr&&*sｔr!=＇'&&*str!＝'&'＆＆i<STR_BUFFER_SＩZE){strbuf[i]=＊str;ｉ++;str++;}stｒbuｆ［ｉ］='\0＇;}retｕrn（foｕnd）；}iｎt8_ｔanaｌｙse_ｃmd(cｈaｒ*stｒ)｛int8_tr=－1;if(find_keｙ_ｖａｌ（str，"ｃmd"）){if（＊ｓtrbuｆ＜０ｘ３a&＆＊strbuf>０x2f)｛/／isaASCIＩnumber,reｔuｒnitr＝（＊stｒbuｆ-０x３0）;}}rｅtuｒnr；}uｉｎt1６＿tprint＿webpage(uiｎｔ８_t＊ｂuf，byteoｎ_off)｛inti＝０;ｕｉnt16_ｔplen;plen=ｅs.ES_filｌ_tcp＿daｔa_p(buf,0,PSTR（"ＨTＴP/1．0200OK＼r\nContent-Type:tｅxｔ/html\r\ｎ\r\ｎ"）);pｌeｎ=es．ES_filｌ_tｃp_ｄatａ_p(bｕf,plen,PＳTR(＂<ｃeｎter><ｐ><h1>WeｌｃomｅtoArduｉnoEtherｎetＳhｉeldV１.０</ｈ1>＜/p＞"));pleｎ=es.EＳ＿fiｌl_tｃp＿datａ_p（bｕf,pleｎ,ＰSＴR("<hｒ><ｂｒ＞<formMETHOD=getactioｎ＝\""));ｐｌen=es．ES＿fill_tcp_datａ(buｆ,pｌen，baseｕrl)；plen=eｓ．ＥＳ_ｆill＿tcｐ_ｄaｔa_p(buｆ,pｌｅn,PＳTR（"\">")）;ｐlｅn＝es．ＥＳ_fill＿tｃp＿datａ_ｐ(bｕf,pｌen，PＳTR("<h２>REＭＯTELEＤiｓ</ｈ2>"）); ?ｐｌen＝es．ES_fill_tcp_data_p（ｂｕｆ，ｐｌｅn,PＳTR（"<h1><fontｃolor=\"#00FＦ００\＂>"）);if(on_off) pｌen=eｓ．ES_fill_tcp_dａt(yī)a_ｐ(ｂｕf，plen，ＰSTR("ON"）)；ｅlsｅ pｌeｎ=es.ES_ｆｉｌl_tcp_datａ_p（buf，ｐlｅn，PSTR（"OFF"））；pｌen=ｅｓ.ＥＳ_ｆｉll_ｔｃp＿ｄata＿p（buｆ,plen,PSTR("<／foｎｔ></h1><br>"));ｉf(ｏｎ＿ofｆ){?pleｎ=eｓ.ES＿fｉll_tcp_data＿p(buｆ,pｌen，PSTR（"＜inpuｔtype=hidｄennａme=ｃｍｄvａlｕe=3＞"));?plen=es．ES_fiｌl_tcp_ｄａｔａ_ｐ(ｂｕf,ｐlen,PSＴＲ("<inpｕｔtype=ｓｕbmiｔvａlue=\"Switchoff\"＞</fｏrm＞＂)）;}ｅlｓe{?plen=eｓ.ＥS＿fiｌl_ｔcｐ_data_p(bｕf，plｅn，PＳTＲ("<ｉｎpuｔtｙpe=hiddｅnnamｅ=cmdｖalｕe=2>＂)); plen=eｓ.EＳ_fill＿tcｐ＿ｄaｔa_p(bｕｆ，ｐｌeｎ，PSＴR（"＜ｉｎpｕtｔype=subｍｉｔvａlue=\＂Sｗiｔcｈon\＂＞</form>"））;}ｐｌｅｎ＝eｓ．ES_fiｌl_tcｐ_data_p(ｂｕf,plen,PＳＴR("</cｅnter><hｒ>＜p>Ｖ1.０<aｈref=＼"\">．cｏｍ<a>"));return（plen);｝５.Liｎｋs&ＤoｗｎloａdsHYPERＬＩＮKArｄuiｎoEtheｒｎeｔShｉelｄｓchematicV1.０ＨYＰERＬＩNKＡrduinoeｔhershieｌｄlibrary-newｖersionｗiｔhwebclientｆunｔionｓ＆examplesHＹPERLＩNKMiｃroｃhｉpENC28J60datashｅe(cuò)ｔTａｇs：HYPERLINKArduinｏ,HYＰEＲＬＩNKethernet,HYPERLIＮＫnetｗork，HYPERLINKｐｉng,HＹPＥRLINKｐrojｅct,ＨYPＥRLINＫｗebｓeｒvｅrThｉsenｔrｙwasposteｄonMonday,Aｕｇust2５th,at5:4５pｍandisfilｅduｎderHYＰＥRLINK\o"VｉewallpｏstｓinAｒduiｎoprｏjects"Ardｕｉnoprojectｓ.ＹoucanfollowanyrespoｎｓestothisｅntrｙthrougｈtheHＹPERLIＮKＲSS２.0fｅe(cuò)d．YoucaｎHＹPERＬIＮＫ＼l＂resｐonｄ#ｒeｓｐonｄ"lｅaveaｒｅｓponse,orHYPEＲLINKtrackbaｃkfromｙoｕrownｓｉte．OｎeＲespoｎsｅto“EtheｒｎｅｔShieｌdonAｒｄuino-awebsｅrｖｅreｘａmｐle”PａoｌｏMarｉｎoSayｓ:

HＹPEＲLINK＼l"coｍment-9#comｍent-9"Septeｍｂer22nｄ,ａt(yī)9:27amHi

I’mｉｎｔｅrestedinthｉsｂoarｄｈｏweverIｈaveaqｕestion:TheUDＰpｒoｔoｃolissupporｔedbyＡｒduinoEtｅrnetｏrＩhａveｔodeveｏlpbyｍｙｓeｌf?

Ｔhaｎｋｓｉnadvａnce．Projectnｏte—EｔｈｅｒｎｅtShieldforArｄuino－ａＷebcｌｉｅnｔexａmplｅＴhiｓｐroｊｅcｔsｈoｗshowtｏimplemenｔａdisｔriｂｕtedsensｏrnetｗoｒkｂyuｓｉngthearduinoandtｈeetherneｔshiｅld.1．WebCliｅntconceｐtSincｅIｐuｂｌishedetherneｔShieｌｄｗeｂ-sｅrverpｒojecｔnoteafewmontｈsaｇo[liｎk］,I’ｖegｏtafewemaｉlsａbouｔhｏwtｏuseｔheEtherneｔｓhieldasawｅbclieｎt.Inａsense，awebcｌieｎtａｐpliｃaｔｉonｉsmｏreapｐropｒiaｔeforasmalldevicesｕcｈasｔheEtｈｅrnetshielｄonArduino.BasedｏｎthｅTＣP/IＰprotocｏl,itｉsthｅwebcｌienｔ(suchasａｗebbｒowseｒ)whoｉnitｉａliｚestｈｅＴCPｃonnectｉｏns，requestｓdaｔａfrｏmorｓｅnｄsdaｔatotｈewebservｅr.Therｅｆorｅtｈｅe(cuò)thernetshｉeldruｎnｉnginwｅbcliｅｎtｍoｄｅcａnbeusedａsａdiｓtrｉbutｅdsenｓoｒｎodeinthenetｗork．Itｃaｎｓendperioｄicorinｔerrupｔdrivensｅnsoｒdaｔaｔoawebseｒvｅr.Theｗeｂservｅrcanthｅnrecｏｒd，procesｓanｄｓhoｗｔhesensordatａfromoneormultipleweｂclｉenｔ.Ｉnthisｐroject,ａwebclientappｌicatiｏnisdeｖｌopｅｄfｏｒtｈeetheｒnｅtsｈield,ｗhicｈcａｎsenｄpeｒｉodicdａt(yī)a（sucｈasteｍｐeratuｒerｅａｄing）orspｏntaneouｓdａｔa(suｃhａｓinfraredsｅnｓoｒdａt(yī)aorswiｔchｐress)ｔｏaｗebsｅrveｒ．PHPscriptsthaｔuseｄｔosaｖeandshｏwthｅdaｔarecｅivedonthewebsevｅrarealsodevｅlopeｄ．2.WebClｉentTCＰ/IＰimｐleｍenｔationTｈeＷeｂclientＴＣP／ＩPprｏtocｏlisimplemenｔedｉnthｅclient_ｐrocess()routiｎｅ,whicｈisｃａlleｄintｈemａinＡrｄuｉnosketchloop()ｒoutiｎe.Theclientpｒoｃesｓuｓesastａt(yī)ｅmaｃhineｔｏconｔｒoltheTCP/IPｐｒotocolasshoｗninthｅfollowingcｏｄesｅgmenｔ–voiｄclｉeｎt_prｏcｅｓs(vｏｉd)｛uinｔ16_tplen;?uiｎt８＿ti;if(clｉｅｎt_dａt(yī)a_reａdy＝＝0)reｔurn;//ｎothｉnｇtosend?if(client_statｅ==IDLＥ）{/／iniｔiａliｚeＡRPｅs.ＥS＿mａｋe＿arp_ｒequest（bｕf,deｓｔ_ip）;?cｌient_ｓtate=ARP_SENT;?rｅturn; }?iｆ(clｉent_state==ARP_SENＴ){ｐleｎ=ｅs．ＥS_ｅｎc２8ｊ6０PacｋｅtＲｅceiｖe(BUＦFER_SIＺＥ,buf）；??/／dｅstｉnationipaｄdｒeｓswasfｏunｄonｎetwｏrｋif（plｅｎ?。?){ｉf(eｓ.EＳ_arp_pａckｅｔ_is_myrｅply_aｒp（ｂｕｆ)){ｃlieｎt＿ｓtate=ARP_ＲＥPLY;? syn_aｃk_tｉmeout=０; return;}??} delａｙ（１0);? ｓyn_ａck＿timeｏut++; ?if(syn_ａck_timeｏｕt＝=10０){／/timeout,serveripｎoｔfｏunｄ ??cｌｉent_state=IDLE; ??clienｔ＿data_rｅadｙ=0;???syn_aｃｋ_ｔimｅout=０;? ?reｔuｒn;? }}//ｓendＳYNpacketｔｏinｉtialcoｎｎection?if（clieｎｔ_sｔate==ＡRP＿REPLY)｛ ?//ｓaｖedeｓtｍａｃ? for(i=０;ｉ<６；i++）{? ?deｓt＿mac[ｉ]=buｆ[ETH_SRＣ＿M(jìn)ＡＣ+i]；??｝es.EＳ＿tcp_clienｔ_send＿pacｋeｔ(buf,80,1２００,TCＰ_ＦLAＧ_SYN＿Ｖ,／/flag1，／／（bool)mａｘimuｍsegｍentｓize1,/／(bool）clearsｅquenｃｅacknumber0,//0＝useolｄseq,seqack：1=newseｑ,seqaｃknodaｔa:ｎeｗseq,seqaｃｋｗiｔhdaｔa0,／／tcpdatalenｇth ?dest＿maｃ，??dest_ip); ?clｉent＿sｔate=SYＮC_SENT;?}//ｇｅｔnewpａｃｋetif(cｌient_statｅ＝＝SYNC＿SEＮT）{plen＝es.ES＿eｎc28j60PaｃkeｔReceivｅ（BＵFFEＲ_SＩＺE,buf);//nonewpacｋｅtｉncomｉnｇｉf（pｌen==０)｛rｅturn;}／/checkippａcｋetｓenｄtoavrorｎot?／/acceptippacｋetonlyiｆ(es.EＳ_eｔh＿tｙpｅ＿ｉs_ip_anｄ＿my_ip(buf，plen）＝=0)｛??return；}//checｋSYＮＡCＫflag，aｆteｒAVRｓendＳYＮｓerverresponsebysｅndＳYＮAＣＫtｏAVＲiｆ(buｆ[TCP_FＬAＧＳ_Ｐ]==(TＣP＿FＬAG_SYN＿V|TCP_ＦＬAG＿ACK_V）){//sendＡCKtoanｓwerSYＮＡＣKｅs.ES_tcp_client_ｓｅnd＿paｃket(buf，80,1２00,TCＰ_FＬAG_ACＫ_V，//fｌag0,//(booｌ）maximｕｍsegmｅntsize0，//（bool）cleａrsｅqｕenceacknumbｅr1,／／0=useｏｌdseq,ｓeｑack：1=ｎewsｅq,seqacｋnodａt(yī)a:newseｑ,sｅqａｃkwithdａt(yī)a0，//tcpdatalｅｎgｔｈ??? ??desｔ_maｃ, ??? deｓt_ｉp);//ｓetuｐhttprequｅsｔｔoｓerｖerpｌｅn=gｅn＿clｉeｎt＿ｒeqｕesｔ(buf);／／ｓｅndhttprequｅｓtｐacket//ｓｅndpackｅtwｉthPＳＨACKes.EＳ_tcp＿cliｅｎt_ｓeｎd_pａckeｔ(buf,80,//destinａt(yī)ionport1200,//sourcepｏrtTＣP_FLAＧ_AＣK＿V|TＣＰ_FＬAG_ＰUSＨ_V,//flag0,／/(bｏol）maｘiｍｕmsｅgmｅntｓｉzｅ０,//（bｏｏｌ)cleａrｓequｅnｃｅackｎumbｅr0,／/0=useoldseq,ｓeqacｋ:１=ｎewseq，seqackｎodａｔa：>1ｎewｓeq,sｅqackｗithdaｔａｐｌeｎ,//tcpdａt(yī)ａlengthdest_maｃ,? ?? ? ｄeｓt＿ip? ? ? ? ?);rｅturn;}//ａｆterAVRｓendhttpｒｅquｅsttoserｖｅr,ｓerverrespoｎsebｙseｎｄdataｗitｈPSＨＡＣＫｔoＡVR/／AVＲａnswerｂysｅndＡCＫａndFＩＮＡCＫtoservｅｒiｆ(bｕｆ[TＣP＿FLAGＳ_P]==(TCP＿FLAＧ＿ＡCK＿V|ＴCP＿FLAＧ_PUSH_V）){ｐｌｅn=es.ES_tcp_get_dlｅｎgｔh（(uint８_ｔ＊)&buf);//sendＡCＫｔoansｗerPSHACKfｒｏmseｒｖeres.ES_tcp＿ｃlieｎｔ_sｅnd＿packｅt(buf，80,／/destinatioｎpｏｒt１200,//soｕrceｐortTCP_FLＡG_ACK_Ｖ,//ｆlag0,／/(ｂoｏl)maxｉmumｓegｍentsｉze0,／/（bｏol)clｅａrsequenceacknumｂｅｒplen，／/0=ｕseoｌdsｅｑ,seqaｃk:1＝nｅwsｅq,ｓｅqacｋnodatａ:>1newseq,seqackwitｈdaｔａ0，//tcｐｄaｔaｌｅngth??? ｄest_ｍac,? ?dｅsｔ_ip);;//seｎdｆinacktodiscｏｎnｅｃtfrｏmwebserveres.EＳ_tcp_client_send_paｃket(bｕf,８0,//destｉnationport1200,//sｏｕrｃepｏｒtTCP_ＦLＡG_FIN＿V|TCP_FLAＧ_ACK_V,//flag0,//（ｂool）ｍaｘimumｓｅgmentsｉzｅ0,//(boｏl)ｃｌearｓequeｎcｅackｎumber0,//0=useoldseq,ｓｅqacｋ:1=newseq，ｓｅqacknodata:＞1ｎｅwseq,ｓｅｑackｗｉtｈdａｔａ0, ??? ??dest_mac, ? ?? ? ｄest_ｉp? ? ）;reｔurn;｝//anｓwerFINＡＣＫfrｏｍｗｅｂserveｒbyｓendAＣKtｏｗebservｅriｆ(buf[ＴＣP_FLAGＳ_P]=＝(ＴＣP_FＬAG_AＣＫ_V｜TCP_ＦＬAG_FIＮ_Ｖ)){／/sｅｎdACKwiｔhsｅｑacｋ＝１eｓ.ES＿ｔcp_ｃlienｔ_ｓenｄ_ｐackｅt(buf,80,//destinａt(yī)iｏnｐｏrt1200,//ｓourceporｔＴCＰ＿FＬAG_ＡCＫ＿V,//flａg０,//(boｏl)mａxｉmumｓegmｅnｔsize0,//(bool)cleaｒsequencｅacknumｂer1,//0=uｓeoldsｅq，seqaｃk:1=newseｑ,sｅqacknodａt(yī)a:>1nｅｗｓｅｑ,seｑackwiｔｈdata0， ?? ?? ?dest_mac, ????? ? dest_ｉｐ ???）;? ?client_ｓｔate=IDLE;? //ｒeｔｕrnｔoIＤLEｓｔate?? clieｎt_ｄaｔa_reaｄy＝０; ?//cｌienｔｄatasent??｝}}Thｅcｌｉeｎtｄatａisgenerａt(yī)ｅdｉｎtｈegen＿client＿reqｕeｓｔroutinｅ.Thefｏlｌoｗinｇｅxaｍplｅsｈowsthａｔatemｐerａt(yī)ureｒｅadiｎgisｆｉｌlｅｄｉnｔｏthｅｈttpbuffer.Thekeyｗｏrd“ｐｗd”，“clienｔ”and“sｔatus”ａrｅusｅｄforｔｈeserverｐｈpscripttｏiｄentifyｔｈedaｔathatclｉentｓends.uint１6_tgｅn_cliｅnt_rｅqｕｅｓt(uｉnt8_ｔ*buｆ){?ｕint１6_tplen;?bytｅi;?plen=ｅs.ES_fiｌｌ_tcｐ_data＿p(buf,0，PSＴR（＂ＧＥＴ／eｔｈerｓhield_log/saｖe.php?pｗｄ=secｒet&client="))；for（i=0;client_ｉp[ｉ]!='\０';ｉ＋＋){bｕf［TCP_DAＴＡ_P＋pｌen]=cｌient_iｐ[i];plen++;｝plen＝ｅs.EＳ＿fiｌl_tcp_ｄata_p(buf,ｐｌｅn,PＳＴＲ(＂&ｓtaｔｕs＝tempｅrａt(yī)ure－＂));ｆor(i=0;sｅnsorData[i]!＝'\0'；i+＋)｛bｕf[TＣP_DＡTＡ＿Ｐ+pｌeｎ]=ｓenｓorＤata[i];plen++;} plｅｎ＝ｅｓ．ES＿fiｌl_ｔcｐ_datａ_p(buf,plen,ＰSTR（＂HTTP/1.0\r＼n"）); plen=eｓ.ES_fiｌl_ｔｃp＿dａt(yī)a_p(buf,pｌen,ＰSTＲ("Ｈost:＼ｒ\n")); pｌen=eｓ.EＳ_fill_tcp＿dａｔa_p（buf，pleｎ,PＳTR（"User-Agent:AVＲeｔheｒnｅt\ｒ\n＂）)；ｐleｎ=es．ES_fill＿tｃｐ＿dａt(yī)a＿p(buf,pｌen,PSTR("Acｃept:ｔext/html＼r\n"));?ｐleｎ＝es.EＳ＿fiｌｌ＿tｃｐ_data_p(buf,ｐleｎ,ＰSTR("Ｋｅe(cuò)p-Aliｖe:30０\r\n"));?pleｎ=es.ＥS_fill_tcp_datａ_ｐ（buf，plen,PSＴR("Coｎnｅction：kｅe(cuò)ｐ-aｌivｅ\ｒ\n\r\ｎ")); returnｐlen;}３.WｅbServeranｄＰHPsｃriｐtsToteｓtthｅwebclieｎｔapｐlication,IｓetupaweｂseｒverｉｎmyhomeLAＮｅnｖiｒonｍeｎｔ.IusedthｅHYPＥＲLINKwamｐseｒverpaｃkage，ｗhｉｃhhasＡｐache,PHPanｄＭYＳQＬ,inｔhewindows.Ｔheｉｎstallaｔionisｓtrａightfｏrward,afterinsｔallationｙounｅｅdｔｏａｌloｗtｈeｃｌｉentipaddresｓtｏaｃcｅssｙｏｕｒａｐａcheｗebserverbｙｍoｄifｙiｎgtｈeｈｔtpd.cｏnfｆiｌｅ.Forme,Ｉjuｓｔｅｎabｌeaｌlmylocalipaｄdｒessｅsas–#＃PｏssiblevalｕesforｔheＯptiｏnsdirectｉｖeare"None","Alｌ",#oranyｃomｂｉnａt(yī)ionoｆ：#IndexｅｓＩnｃludesFｏllowSymLinksＳymＬｉnｋsifOwｎerMatｃhExecCGＩMultiVｉｅws＃#Notethat"MultiViews"ｍustbｅnamed*explｉｃiｔly＊"OptioｎsAll"#ｄoeｓn'tgｉvｅittoyou.＃#TheOpｔｉoｎsdireｃtiｖｅisbothｃomplicatedanｄimportanｔ.Pleaseｓee##formoｒeｉｎｆｏrmation.#ＯpｔｉonsＩndｅxeｓFolｌoｗSymLiｎks#＃ＡｌｌowOverridecoｎｔrolswｈatｄｉrｅctivｅｓmaｙbeｐlaｃeｄｉｎ.htaccessｆiｌｅs.#Ｉｔｃａnbe"Ａlｌ","Ｎone"，oｒanyｃｏmbinatioｎofｔｈekeywords:#ＯptｉonsＦiｌeInfoAｕｔhConfigLimiｔ#AllowOvｅｒrideall##Coｎtrolswhocａnｇｅtｓtufffromthiｓserｖer.＃＃ｏnlｉｎeoffｌinｅtａg-doｎ'tremoveＯrｄｅrDeｎｙ,Allow#DeｎyfrｏmallAllｏwｆroｍ１27.０.０.1192．168.1TwoPＨPscrｉｐtaｒedｅｖelopedforsavingａｎdshowｉngtheｗebclieｎtｄata.Ｔhｅsavｅ．phpisusedtｏｓaveｗebclientdatatoａdatａ.ｔｘtfｉlｅ．Ｉｔlｏｏｋsfｏrthｅkeywｏrｄs“pwd”,“clieｎｔ”ａｎd“status”intheｈtｔpdataｓentbｙtheclienｔ,ａｎｄthenｒecordtheｍwｉtｈtimestamps.<?phpfunctionget＿ｖal($val）{? ｒetuｒn$＿GET［＄ｖal];}＄pａsｓwoｒd＝ｇeｔ_ｖal('ｐwｄ')；if（＄passwｏrd!='sｅcret'){ eｃｈo"<fontcolor=red><b>Acceｓｓdenied！?。。?b＞</ｆｏｎｔ>"；?exit;}$clieｎt=get_ｖａl('ｃlienｔ'）;iｆ($ｃlient==''){?echｏ"<ｆoｎtcoｌｏr=ｒeｄ><b>Wｒonｇｃliｅntｎｕｍbｅｒ!!!</ｂ＞</fｏnt>"; exｉt;}$ｓtatｕs=geｔ_vａl（'sｔatus'）;if($staｔus==''）{ echo"<fonｔｃoｌor＝red＞＜b>Wrongｃｌｉentstatus!!!</b＞</ｆont>＂；?exit;}＄filename＝"./ｄａt(yī)a.txt";$tｉｍe＝datｅ（"Y-ｎ-jH:ｉ:s");$strｉng=$client.'｜'.$tｉme.＇;'.$stａt(yī)ｕｓ．"＼r\n";$a=fopｅn("＄filenａme","a+");fｐｕtｓ（$a,＄ｓtrinｇ);fcｌose（$ａ);?>Theｉnｄｅx.ｐhpsｃｒiptdyｎamicallyｒeadsdatafroｍｔhedａt(yī)a.txtfｉｌeａndshｏwsthｅmｉnａt(yī)ablｅformat.Itcanbeaccessｅｄfoｒaｗeｂbｒowsｅrasshｏｗnbelow.4.SｏｆtwａrestructｕreAｎewversioｎ