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Ìì°Ñ¿ª·¢°åµÄbootloaderɾÁË,û°ì·¨,Ö»µÃÔÚPCÉϵ÷GPRS²¦ºÅÁË.ÏÈÔÚwindowsϲ¦ºÅ³É¹¦,È»ºóÓù¤¾ß¿´²¦ºÅʱ¾ßÌåʹÓÃÁËÄÄЩATÃü
Áî,ÔÙʹÓÃÕâЩÃüÁîµ½linuxÏÂʹÓÃpppdÀ´²¦ºÅ,×îºóÖÕÓڳɹ¦ÁË,֮ǰ¿ª·¢°åÉϲ»Äܳɹ¦²¦ºÅ¼«ÓпɾÍÊÇATÖ¸ÁîÓÐÎÊÌâ,ÏÖÔÚÖ»Óеȿª·¢°å»ØÀ´ºóÔÙµ½
ARM7Éϵ÷ÁË.
   ÏÂÃæÌùһϲ¦ºÅʹÓõö½Å±¾,GPRSÄ£¿éÊÇʹÓõĻªÎªµÄGTM900-B:
1,  /etc/ppp/peers/gprs:
¸´ÖÆÄÚÈݵ½¼ôÌù°å
´úÂë:
#/etc/ppp/peers/gprs
# This is pppd script for China Mobile, used Huawei GTM900-B GPRS Module
# Usage:   root>pppd call gprs
/dev/ttyS0
19200
crtscts
modem
#noauth
debug
nodetach
#hide-password
usepeerdns
noipdefault
defaultroute
user "cmnet"
0.0.0.0:0.0.0.0
#ipcp-accept-local
#ipcp-accept-remote
#lcp-echo-failure  12
#lcp-echo-interval 3
#noccp
#novj
#novjccomp
#persist
connect '/usr/sbin/chat -s -v -f /etc/ppp/gprs-connect-chat'
#connect '/bin/chat -v -s -f /etc/ppp/gprs-connect-chat'
#disconnect '/bin/chat -v -f /etc/ppp/gprs-disconnect-chat'
2,  gprs-connect-chat:
¸´ÖÆÄÚÈݵ½¼ôÌù°å
´úÂë:
#/etc/ppp/gprs-connect-chat
# chat script for China Mobile, used HuaWei GTM900-B GPRS module.
TIMEOUT         15
ABORT           "DELAYED"
ABORT           "BUSY"
ABORT           "ERROR"
ABORT           "NO DIALTONE"
ABORT           "NO CARRIER"
TIMEOUT         40
''              \rAT
OK                ATS0=0
OK              ATE0V1
OK         &n


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