?????TCP/IP??????

ZLMCU??

??: ?????????????????????TCP/IP???????????е??????????????TCP/IP????????????????????????TCP/IP??????????????TCP/IP???????????????????????????????????TCP/IP?????????????????????????塣

?????: ???????TCP/IP???????壻???壻???????????

1 ?? ??

?????TCP/IP??????????????????TCP/IP???壩???????????????TCP/IPЭ???????????????????????????TCP/IP????????????????塣

????????????????????????????????????????????豸????????????????????ò???TCP/IPЭ??????????????????豸?????????TCP/IPЭ????????????????CPU??????????Linux??????????????TCP/IPЭ???????????????????51???????AVR???????PIC??????????TCP/IPЭ??????????????TCP/IPЭ?????CPU ????????????????????

???????????????TCP/IPЭ???????????????????????????????μ???????????????????????????????????????????????????????TCP/IP?????塣?????????51????????TCP/IPЭ????????

2 ?????TCP/IP??????????

?????????????????????????????????У???????????????????????У????????????????????????????TCP/IP?????????????????TCP/IP???????????????????????TCP/IP????????????????μ??????

1??              ?????TCP/IPЭ???????????????Э??????????????????TCP????????????????????????????????????????????????????????Э??????????BSD socket????

2??              ?????·?弰?????????????????????????????TCP/IP??黷????

3??              ???????????????????????????????????????·???С?

4??              ??????????????????TCP/IP??黷???б??????PC???????????????????????????

3 ?????????TCP/IP??????

3. 1 ????????

???????TCP/IP?????????16λ??32λ????????LWIP??????8λ???????uIP??????51???????ZLIP?????51????????TCP/IPЭ?????uIP??ZLIP???????uIP?????汾?V1.0??ZLIP?????汾?ZLIP?????V1.0??

???????????????????????????TCP/IP???????????????????????????51?????TCP/IP??????????????????51?????TCP/IP?????????

3. 2 ??????????

????????????????????????????????????????????°????????????????????????????

1??             ??????TCP/IP?????????????????????TCP/IPЭ??????????????????????ú??????????????????????????????????TCP/IPЭ???????????·??濼???

a)         ?????????????TCP/IPЭ?????????????????????????PING??????2??????????????????????????????10M????????????κ????????????????????Э???????????????????????????????????????鷳??

b)        ???????????????TCP/IP??????????????????????TCP/IP????ò??????????????????????????????????????????????????塢??????????????

c)        ???????????Щ????????e?????????壬????????????????????????????????????????????????Э???????????????????

2??             ????????????????????????????????????????????????????????????????????á?

4 ???TCP/IP??????

?????????????TCP/IP?????????????????????

4. 1 ?????????

???????????TCP/IP???????????????????????????????У???У???????塣?????????????USB???????????????????????????????

????TCP/IPЭ??????????????????????????USB??????????PC??USB?????硣?????????PC??????????????????PC??????????

4. 2 ?????巋??

       ????????屾??????????????????????CPU??RAM???????顢??????顣????????к???????????RTL8019AS???????????????????????????????????????????????????????PC????????

4. 3 ????????????

      ?????????TCP/IP????????????????????????

1??  ????????????????????PC??????????????????????磬????????????????PC???????????С?

2??  ????????????????????????????????51????????????? KeilC51???????????????IP???????????????PC????????崦?????????Σ??????????PC????IP??????????????IP????????????ε?IP????????????????????????IP???????

3??  ??????????????????PING????????ping 192.168.0.2 ?Ct????????????PC????????????????????

4. 3 ???????????????3???

       ?????????????????????????????????????????????TCP/IP?????????3?????????????????TCP/IPЭ???????????????ò??Э?顣????TCP???IP??????????????????????????е????л????TCP/IPЭ???????????????μ????

1??  ?????Э????????Э????????????????Init(), Release()?????????

2??  ??????BSD socket??socket, sendto, recvfro, connect, bind, listen, accept, send, recv, closesocket, shutdown, getpeername, getsockname, htonl, htons, ntohl, ntohs, inet_addr,inet_ntoa,ioctlsocket,setsockopt, getsockopt,select??API?????????????????????з????????????????????????????????????????????????

3??  ????????????????????????????????????????????λ????????????TCP/IPЭ???????????????????????????????????????????????????

a)         ????????????????BSD??recv()?????????????????

b)        ????????????????MFC??OnReceive()?????????????????????????????????????????OnReceive()??????

????????????????????????????????????????????????????

???????????????????LED??????????????????á?????PC?????TCP/IP???????????SocketDlgTest??????????????1?????????壨??????????IP??????????????????OnReceive?????з???????????1????????????P1???????????????????????0?????????

?????????????????????????????綨????????????????PC?????SocketDlgTest??????????????????????????????????????????????send()??????????????PC????????PC????IP??????????????PC???????????????????????

4. 3 ??????????????????

????????????????????3?????????????????????????????????????????????????????TCP/IP?????????????????????????????????????P1???п???????????????ɡ?