micro2440使用3G上网卡实现拨号上网（下）

（接 micro2440使用3G上网卡实现拨号上网（上））

上面的设备我甜的ttyUSB1。因为at命令发送超时，所以应该是at命令口不通，所以改成ttyUSB2，真的就ok了。

下面是内核打印的信息：

[root@FriendlyARM peers]# pppd file cdma2000 &
abort on (NO CARRIER)
abort on (ERROR)
abort on (NO DIALTONE)
abort on (BUSY)
abort on (NO ANSWER)
send (AT^M)
expect (OK)
AT^M^M
OK
 -- got it


send (ATZ^M)
expect (OK)
^M
ATZ^M^M
OK
 -- got it


send (AT+CFUN=1^M)
expect (OK)
^M
AT+CFUN=1^M^M
OK
 -- got it


send (ATDT#777^M)
expect (CONNECT)
^M
ATDT#777^M^M
^RSSILVL: 20^M
^M
^HRSSILVL:40^M
^M
^MODE: 4^M^M
^M^M
^RSSILVL:0^M^M
^M^M
^HRSSILVL:60^M
^M
^HRSSILVL:60^M
^M
CONNECT
 -- got it


send (^M)
Serial connection established.
Using interface ppp0
Connect: ppp0 <--> /dev/ttyUSB2
CHAP authentication succeeded: Welcome to HBTELECOM.
CHAP authentication succeeded
local  IP address ***.***.***.***
remote IP address ***.***.***.***
primary   DNS address ***.***.***.***
secondary DNS address ***.***.***.***

行了，你的IP就是上面的local  IP address 

现在来测试一下看你成功没：

[root@FriendlyARM peers]# ifconfig
eth0      Link encap:Ethernet  HWaddr 08:90:90:90:90:90  
          inet addr: ***.***.***.***  Bcast: ***.***.***.***  Mask:255.255.255.0
          UP BROADCAST MULTICAST  MTU:1500  Metric:1
          RX packets:0 errors:0 dropped:0 overruns:0 frame:0
          TX packets:0 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:1000 
          RX bytes:0 (0.0 B)  TX bytes:0 (0.0 B)
          Interrupt:51 Base address:0x2300 


lo        Link encap:Local Loopback  
          inet addr:127.0.0.1  Mask:255.0.0.0
          UP LOOPBACK RUNNING  MTU:16436  Metric:1
          RX packets:7 errors:0 dropped:0 overruns:0 frame:0
          TX packets:7 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:0 
          RX bytes:668 (668.0 B)  TX bytes:668 (668.0 B)


ppp0      Link encap:Point-to-Point Protocol  
          inet addr: ***.***.***.***  P-t-P: ***.***.***.***  Mask:255.255.255.255
          UP POINTOPOINT RUNNING NOARP MULTICAST  MTU:1380  Metric:1
          RX packets:76 errors:8 dropped:0 overruns:0 frame:0
          TX packets:73 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:3 
          RX bytes:5277 (5.1 KiB)  TX bytes:5570 (5.4 KiB)

[root@FriendlyARM peers]# ping www.baidu.com -I ppp0
PING www.baidu.com (119.75.217.56): 56 data bytes
64 bytes from 119.75.217.56: seq=0 ttl=57 time=297.113 ms
64 bytes from 119.75.217.56: seq=1 ttl=57 time=310.277 ms
64 bytes from 119.75.217.56: seq=2 ttl=57 time=325.303 ms
64 bytes from 119.75.217.56: seq=3 ttl=57 time=320.266 ms
64 bytes from 119.75.217.56: seq=4 ttl=57 time=315.289 ms
64 bytes from 119.75.217.56: seq=5 ttl=57 time=310.330 ms
64 bytes from 119.75.217.56: seq=6 ttl=57 time=325.301 ms
64 bytes from 119.75.217.56: seq=7 ttl=57 time=340.301 ms
64 bytes from 119.75.217.56: seq=8 ttl=57 time=315.292 ms
64 bytes from 119.75.217.56: seq=9 ttl=57 time=310.295 ms
64 bytes from 119.75.217.56: seq=10 ttl=57 time=325.328 ms
64 bytes from 119.75.217.56: seq=11 ttl=57 time=320.301 ms
64 bytes from 119.75.217.56: seq=12 ttl=57 time=315.300 ms
^C
--- www.baidu.com ping statistics ---
13 packets transmitted, 13 packets received, 0% packet loss
round-trip min/avg/max = 297.113/317.745/340.301 ms

OK，成功了！！！！！！！！！