移植——linux下使用3G拨号上网
日期:2013.6.10作者:杨正版本:1.0 (初版)QQ:1209758756 开发环境的叙述内容3G拨号上网SIM卡中国移动嵌入式开发板FL2440
| 日期: | 2013.6.10 |
| 作者: | 杨正 |
| 版本: | 1.0 (初版) |
| QQ: | 1209758756<yz2012ww@gmail.com> |
开发环境的叙述
| 内容 | 3G拨号上网 |
| SIM卡 | 中国移动 |
| 嵌入式开发板 | FL2440 |
| 核心CPU | S3C2440 |
| 嵌入式linux内核版本 | Linux-3.0 |
| 主机开发环境 | Linux操作系统 |
主要步骤:
| 1 | 向linux内核中添加3G模块的驱动（USB转串口的驱动）和ppp协议的支持，重新编译下载内核。 |
| 2 | 对ppp-2.4.4源代码进行交叉编译。 将拨号上网所需的两个应用程序pppd和chat拷贝到开发板/usr/sbin文件夹下，将改好的脚本文件wcdma、wcdma-chat-connect、wcdma-chat-disconnect存放在/etc/ppp/peers目录下。将含有域名解析服务器地址的文件resolv.conf拷贝到/etc目录下。 |
| 3 | 移植usb_modeswitch。 下载源代码包，并解压缩。对其进行修改，然后编译生成usb_modeswitch和usb_modeswitch.d，然后将usb_modeswitch下载到usr/sbin目录下，将usb_modeswitch.d下载到etc/目录下。 |
| 4 | 执行“pppd call wcdma”命令进行拨号，进行网络测试。 |
一、 usb_modeswitch移植
usb_modeswitch工具用到libusb提供的API，所以在移植usb_modeswitch之前先编译libusb。
下载源码：
[lingyun@localhost yangzheng]$ mkdir usbmode
[lingyun@localhostyangzheng]$ cd usbmode/
[lingyun@localhost usbmode]$wget
http://ncu.dl.sourceforge.net/project/libusb/libusb-1.0/libusb-1.0.0/libusb-1.0.0.tar.bz2
[lingyun@localhostusbmode]$ wget
http://ncu.dl.sourceforge.net/project/libusb/libusb-compat-0.1/libusb-compat-0.1.4/libusb-compat-0.1.4.tar.bz2
[lingyun@localhostusbmode]$ wget
http://www.draisberghof.de/usb_modeswitch/usb-modeswitch-1.2.4.tar.bz2
[lingyun@localhostusbmode]$ tar libusb-1.0.0.tar.bz2
usb-modeswitch-data-20130607.tar.bz2下载地址：
http://www.draisberghof.de/usb_modeswitch/#download
解压：
[lingyun@localhostusbmode]$ tar -jxf libusb-1.0.0.tar.bz2
[lingyun@localhostusbmode]$ tar -jxf usb-modeswitch-1.2.6.tar.bz2
[lingyun@localhostusbmode]$ tar -jxf usb-modeswitch-data-20130607.tar.bz2
编译libusb：
[lingyun@localhostusbmode]$ cd libusb-1.0.0
[lingyun@localhostlibusb-1.0.0]$ mkdir ../install //在上层目录建install目录
[lingyun@localhost libusb-1.0.0]$
./configure --prefix=/home/lingyun/yangzheng/usbmode/install/ --build=i686 --host=arm-linux--disable-shared --enable-static
--prefix=/home/lingyun/yangzheng/usbmode/install(install的绝对路径)
[lingyun@localhostlibusb-1.0.0]$ ls
aclocal.m4 config.guess config.status COPYING INSTALL libusb-1.0.pc Makefile.am PORTING TODO
AUTHORS config.h config.sub depcomp install-sh libusb-1.0.pc.in Makefile.in README
ChangeLog config.h.in configure doc libtool ltmain.sh missing stamp-h1
compile config.log configure.ac examples libusb Makefile NEWS THANKS
[lingyun@localhost libusb-1.0.0]$make
[lingyun@localhost libusb-1.0.0]$make install
[lingyun@localhost usbmode]$export
PKG_CONFIG_PATH=/home/lingyun/yangzheng/usbmode/install/lib/pkgconfig:$PKG_CONFIG_PATH
[lingyun@localhostlibusb-compat-0.1.5]$ ./configure--prefix=/home/lingyun/yangzheng/usbmode/install/ --build=i686 --host=arm-linux--disable-shared --enable-static
[lingyun@localhost libusb-compat-0.1.5]$make
[lingyun@localhostlibusb-compat-0.1.5]$ make install
libusb-1.0.0.tar.bz2 libusb-compat-0.1.5 usb-modeswitch-1.2.6 usb-modeswitch-data-20130607.tar.bz2
[lingyun@localhost usbmode]$cd install/
[lingyun@localhost install]$ls
bin include lib
编译usb_modeswitch：
[lingyun@localhost usbmode]$cd usb-modeswitch-1.2.6
[lingyun@localhostusb-modeswitch-1.2.6]$ vim Makefile
CC =/opt/buildroot-2012.08/arm920t/usr/bin/arm-linux-gcc #add by yangzheng
CFLAGS += -Wall -I../install/include-static #add by yangzheng
LIBS = -L../install/lib/ -l usb -l usb-1.0-l pthread #add by yangzheng
[lingyun@localhostusb-modeswitch-1.2.6]$ make
[lingyun@localhostusb-modeswitch-1.2.6]$ cp usb_modeswitch../install/bin/
[lingyun@localhostusb-modeswitch-1.2.6]$ cp usb_modeswitch /tftp/
把usb-modeswitch-data-20130607下的usb_modeswitch.d中的所以文件都拷贝到开发板的etc/usb_modeswitch.d/目录：
[lingyun@localhost usbmode]$cd usb-modeswitch-data-20130607
[lingyun@localhostusb-modeswitch-data-20130607]$ ls
40-usb_modeswitch.rules ChangeLog COPYING gen-rules.tcl Makefile README usb_modeswitch.d
[lingyun@localhostusb-modeswitch-data-20130607]$ tar -jcf usb_modeswitch.d.tar.bz2usb_modeswitch.d
[lingyun@localhostusb-modeswitch-data-20130607]$ ls
40-usb_modeswitch.rules ChangeLog COPYING gen-rules.tcl Makefile README usb_modeswitch.d usb_modeswitch.d.tar.bz2
[lingyun@localhostusb-modeswitch-data-20130607]$ cp usb_modeswitch.d.tar.bz2 /tftp/
把usb_modeswitch下载到/usr/sbin目录下，把usb_modeswitch.d下载到/etc/目录下：
>: cdusr/sbin/
>: tftp-gr usb_modeswitch 192.168.1.3
>: cd etc/
>: tftp-gr usb_modeswitch.d.tar.bz2 192.168.1.3
>: tar-jxf usb_modeswitch.d.tar.bz2
到这里usb_modeswitch移植完成。
二、 PPP移植
各项工作具体说明
向linux内核添加3G模块的驱动(USB转串口驱动)和PPP协议的支持，然后编译内核并下载到开发板。当然如果之前已经移植好内核,那么只需要增加几个选项就可以,然后在编译内核就可以了,这个文档默认内核已经移植过,所以只讲与USB转串口驱动和PPP协议支持的几个选项。
[lingyun@localhost yangzheng]$ cd linux-3.0
[lingyun@localhost linux-3.0]$ ls
arch crypto fs Kbuild MAINTAINERS modules.order REPORTING-BUGS sound usr
block Documentation include Kconfig Makefile Module.symvers samples System.map virt
COPYING drivers init kernel mm net scripts tools vmlinux
CREDITS firmware ipc lib modules.builtin README security uImage-s3c2440.gz vmlinux.o
[lingyun@localhost linux-3.0]$ vt100
[lingyun@localhost linux-3.0]$ make menuconfig
USB的驱动要选这几个：
DeviceDrivers---→
USBsupport---→
<*>USB SerialConverter support--→
[*]USBGeneric Serial Driver
<*>USBdriver for GSM and CDMA modems
下面是详细步骤：
按“Enter”进入“Device Drivers”目录
按“Enter”进入“USB support”目录
按“Enter”进入“USB SerialConverter support”目录
按“Y”将“USBGeneric Serial Driver”编译进内核
按“Y”将“USB driver for GSM and CDMA modems”编译进内核
到此3G模块驱动添加完成，下面进行ppp协议支持的添加（下面所示的几个选项必选）：
DeviceDrivers--→
Network devicesupport---→
<*> PPP (point-to-point protocol) support
[*] PPP multilink support (EXPERIMENTAL)
<*> PPP support for async serial ports
<*> PPP support for sync tty ports
<*> PPP Deflate compression
<*> PPP BSD-Compress compression
下面是详细步骤：
按“Enter”进入“Device Drivers”目录
按“Enter”进入“Network device support”目录
选择ppp协议支持（之前所提的必选，这里全部选上）编译进内核
完成了这些步骤以后就可以退出make menuconfig进行make编译内核了。然后再把生成的镜像文件下载到板子上重启开发板即可。然后就会发现在/dev/目录下生成ppp设备节点：
>: ls-l dev/ppp
crw-rw---- 1 root root 108, 0 Feb 21 21:13 dev/ppp
交叉编译好工作源代码ppp-2.4.4，得到pppd和chat，解压源代码包,进入目录,进行交叉编译：
[lingyun@localhost yangzheng]$ mkdir ppp
[lingyun@localhost yangzheng]$ cd ppp
[lingyun@localhost ppp]$ wget ftp://ftp.samba.org/pub/ppp/ppp-2.4.4.tar.gz
[lingyun@localhost ppp]$ tar -zxf ppp-2.4.4.tar.gz
[lingyun@localhost ppp]$ cd ppp-2.4.4
[lingyun@localhost ppp-2.4.4]$ls
Changes-2.3 configure FAQ pppstats README.eap-srp README.MSCHAP80 README.pwfd SETUP
chat contrib include modules pppd README README.linux README.MSCHAP81 README.sol2 solaris
common etc.ppp linux PLUGINS pppdump README.cbcp README.MPPE README.pppoe scripts
[lingyun@localhost ppp-2.4.4]$./configure //生成Makefile
[lingyun@localhost ppp-2.4.4]$ls
Changes-2.3 configure FAQ Makefile pppstats README.eap-srp README.MSCHAP80 README.pwfd SETUP
chat contrib include modules pppd README README.linux README.MSCHAP81 README.sol2 solaris
common etc.ppp linux PLUGINS pppdump README.cbcp README.MPPE README.pppoe scripts
[lingyun@localhost ppp-2.4.4]$cd chat/ //对chat目录下的文件进行修改
[lingyun@localhost chat]$ ls
chat.8 chat.c chat.o Makefile Makefile.linux Makefile.sol2
[lingyun@localhost chat]$ vim chat.c
1167
1168 if (timeout_next) {
1169 timeout_next = 0;
1170 s = clean(s, 0);/* add by yangzheng*/
1171 timeout = atoi(s);
1172 free(s); /* add byyangzheng */
[lingyun@localhost chat]$ vim Makefile
INSTALL= install
CC =/opt/buildroot-2012.08/arm920t/usr/bin/arm-linux-gcc #addby yangzheng
all: chat
chat: chat.o
#$(CC) -o chat chat.o
$(CC) -static -o chat chat.o #add by yangzheng
[lingyun@localhost ppp-2.4.4]$cd pppd //修改pppd目录下的文件
[lingyun@localhost pppd]$ ls
auth.c chap-md5.o eap.c fsm.h ipxcp.o Makefile multilink.c pppcrypt.o spinlock.h tdb.o
auth.o chap_ms.c eap.h fsm.o lcp.c Makefile.linux multilink.o spinlock.o tty.c
cbcp.c chap_ms.h eap.o ipcp.c lcp.h Makefile.sol2 options.c pppd.8 srp-entry.8 tty.o
cbcp.h chap_ms.o ecp.c ipcp.h lcp.o md4.c options.o pppd.h srp-entry.c upap.c
ccp.c chap-new.c ecp.h ipcp.o magic.c md4.h patchlevel.h ppp.pam sys-linux.c upap.h
ccp.h chap-new.h ecp.o ipv6cp.c magic.h md4.o pathnames.h sha1.c sys-linux.o upap.o
ccp.o chap-new.o eui64.c ipv6cp.h magic.o md5.c plugins sha1.h sys-solaris.c utils.c
chap-md5.c demand.c eui64.h ipxcp.c main.c md5.h pppcrypt.c sha1.o tdb.c utils.o
chap-md5.h demand.o fsm.c ipxcp.h main.o md5.o pppcrypt.h spinlock.c tdb.h
[lingyun@localhost pppd]$ vim auth.c
1316 ao->neg_upap = !refuse_pap /*&& (passwd[0] != 0 ||get_pap_passwd(NULL))*/;
[lingyun@localhost pppd]$ vim Makefile
35 CC = /opt/buildroot-2012.08/arm920t/usr/bin/arm-linux-gcc
47 #MPPE=y
52 #FILTER=y
69 #PLUGIN=y
[lingyun@localhost ppp-2.4.4]$make
[lingyun@localhost ppp-2.4.4]$cd chat/
[lingyun@localhost chat]$ ls
chat chat.8 chat.c chat.o Makefile Makefile.linux Makefile.sol2
[lingyun@localhost chat]$ file chat
chat: ELF 32-bit LSB executable, ARM, version 1 (SYSV), statically linked, notstripped
[lingyun@localhost ppp-2.4.4]$cd pppd
[lingyun@localhost pppd]$ ls
auth.c chap-md5.o eap.c fsm.h ipxcp.o Makefile multilink.c pppcrypt.o spinlock.h tdb.o
auth.o chap_ms.c eap.h fsm.o lcp.c Makefile.linux multilink.o pppd spinlock.o tty.c
cbcp.c chap_ms.h eap.o ipcp.c lcp.h Makefile.sol2 options.c pppd.8 srp-entry.8 tty.o
cbcp.h chap_ms.o ecp.c ipcp.h lcp.o md4.c options.o pppd.h srp-entry.c upap.c
ccp.c chap-new.c ecp.h ipcp.o magic.c md4.h patchlevel.h ppp.pam sys-linux.c upap.h
ccp.h chap-new.h ecp.o ipv6cp.c magic.h md4.o pathnames.h sha1.c sys-linux.o upap.o
ccp.o chap-new.o eui64.c ipv6cp.h magic.o md5.c plugins sha1.h sys-solaris.c utils.c
chap-md5.c demand.c eui64.h ipxcp.c main.c md5.h pppcrypt.c sha1.o tdb.c utils.o
chap-md5.h demand.o fsm.c ipxcp.h main.o md5.o pppcrypt.h spinlock.c tdb.h
[lingyun@localhost pppd]$ file pppd
pppd: ELF 32-bit LSB executable, ARM, version 1 (SYSV), dynamically linked (usesshared libs), not stripped
拨号所用到的程序就是ppp-2.4.4/pppd下的pppd和ppp-2.4.4/chat下的chat可执行程序,将交叉编译出来的这两个应用程序拷贝到开发板 /usr/sbin目录下，更改其属性为可执行文件。
[lingyun@localhost pppd]$ cp pppd /tftp/
[lingyun@localhost chat]$ cp chat /tftp/
在开发板上进行如下操作：
>: cd usr/sbin/
>: tftp -gr chat 192.168.1.3 //下载
>: tftp -gr pppd 192.168.1.3
>: chmod a+x chat //设置为执行权限
>: chmod a+x pppd
配置拨号的脚文件
拨号上网需要的配置文件有3个：
wcdma,wcdma-chat-connect,wcdma-chat-disconnect（存放位置是开发板的/etc/ppp/peers）。
>: mkdir ppp
>: mkdir peers
>: cd peers
wcdma配置文件内容
>: vi wcdma
#/etc/ppp/peers/cdma
# This is pppd script for China liantong
# Usage: root>pppd call cdma
hide-password
noauth
connect '/usr/sbin/chat -s -v -f/etc/ppp/peers/wcdma-chat-connect'
disconnect '/usr/sbin/chat -s -v -f/etc/ppp/peers/wcdma-chat-disconnect'
debug
/dev/ttyUSB2
115200
defaultroute
noipdefault
novj
novjccomp
noccp
ipcp-accept-local
ipcp-accept-remote
local
lock
dump
nodetach
user "card"
password "card"
crtscts
remotename 3gppp
ipparam 3gppp
usepeerdns
wcdma-chat-connect配置文件内容
>: vi wcdma-chat-connect
ABORT "BUSY"
ABORT "NO CARRIER"
ABORT "NO DIALTONE"
ABORT "ERROR"
ABORT "NO ANSWER"
TIMEOUT 120
"" AT
OK \rATZ
OK\rAT+CGDCONT=1,"IP","cmnet",,0,0
OK ATDT*99#
CONNECT \d\c
wcdma-chat-disconnect配置文件内容
>: vi wcdma-chat-disconnect
ABORT "ERROR"
ABORT "NO DIALTONE"
SAY "\NSending break to the modem\n"
""\k"
""+++ATH"
SAY "\nGood bay\n"
还要添加一个域名解析的文件：
>:cd etc/
>:vi resolv.conf
nameserver4.2.2.2
nameserver8.8.8.8
~
到这里PPP 移植就完成了。
到了这里大部分工作已经完成了，但是我们的开发板依然不能拨号，还需进一步修改和添加配置文件。
当我们的MF626插件中兴WCDMA USB调制解调器,Linux内核识别作为一个cd – rom。
scsi0 :usb-storage 1-1.4:1.0
scsi 0:0:0:0: CD-ROM ZTE USB SCSI CD-ROM 2.31 PQ: 0 ANSI: 2
现在我们需要使用usb_modeswitch切换3 g USB调制解调器来调制解调器(USB转换为seiral)，对于usb_modeswitch使用libusb,libusb依赖于USB文件系统。所以我们在使用usb_modeswitch之前必须挂在usbfs，否则它不能检测USB设备。
添加中兴WCDMA现代usb_modeswitchMF626配置文件：
>: cd apps/
>: vi zte_mf626.conf
# ZTE devices
DefaultVendor= 0x19d2
DefaultProduct= 0x2000
TargetVendor= 0x19d2
TargetProductList="0001,0002,0015,0016,0017,0031,0037,0052,0055,0063,0064,0066,0091,0108,0117,0128,0157,2002,2003"
MessageContent="5553424312345678000000000000061e000000000000000000000000000000"
MessageContent2="5553424312345679000000000000061b000000020000000000000000000000"
MessageContent3="55534243123456702000000080000c85010101180101010101000000000000"
NeedResponse=1
>: usb_modeswitch -c /apps/zte_mf626.conf
Looking for target devices ...
No devices in target mode or class found
Looking for default devices ...
No devices in default mode found. Nothing to do. Bye.
这是因为usbfs文件系统没有挂在起来，所以使用usb_modeswitch之前要挂载它：
>: mount -tusbfs usbfs /proc/bus/usb/
>: mount
rootfs on / typerootfs (rw)
ubi0:rootfs on /type ubifs (rw,relatime)
proc on /proc typeproc (rw,relatime)
tmpfs on /tmp typetmpfs (rw,relatime)
tmpfs on /dev typetmpfs (rw,relatime)
sysfs on /sys typesysfs (rw,relatime)
usbfs on/proc/bus/usb type usbfs (rw,relatime)
devpts on /dev/ptstype devpts (rw,relatime,mode=600)
>: lsproc/bus/usb/
001 devices
这样我usbfs就挂载起来了，但是如果重启开发板后，还得重新挂载，为了每次启动系统都能自动挂载，我们进行如下修改：
>: cd etc/
>: vi fstab
# /etc/fstab: static file system information.
# Copyright (C) 2013 yangzheng <yangzheng@gmail.com>
#
#<File system> <mount pt> <type> <options> <dump> <pass>
#devpts /dev/pts devpts defaults 0 0
#/dev/root / ext2 rw,noauto 0 1
proc /proc proc defaults 0 0
tmpfs /tmp tmpfs defaults 0 0
tmpfs /dev tmpfs defaults 0 0
sysfs /sys sysfs defaults 0 0
usbfs /proc/bus/usb usbfs defaults 0 0
现在的话就可以看到如下信息了：
>: usb_modeswitch -c /apps/zte_mf626.conf
Looking for target devices ...
No devices intarget mode or class found
Looking for default devices ...
foundmatching product ID
adding device
Found device indefault mode, class or configuration (1)
Accessing device 007 on bus 001 ...
Getting the current device configuration ...
OK, got currentdevice configuration (1)
Using interface number 0
Using endpoints 0x01 (out) and 0x81 (in)
Inquiring device details; driver will be detached ...
Looking for active driver ...
OK, driverfound; name unknown, limitation of libusb1
OK, driver"unkown" detached
SCSI inquiry data (for identification)
-------------------------
Vendor String:ZTE
Model String:USB SCSI CD-ROM
Revision String: 2.31
-------------------------
USB description data (for identification)
usb 1-1.4: usbfs: process 802 (usb_modeswitch) did notclaim interface 0 before use
-------------------------
Manufacturer: ZTE,Incorporated
Product:ZTE CDMA Technologies MSM
Serial No.:1234567890ABCDEF
-------------------------
Setting up communication with interface 0
Using endpoint 0x01 for message sending ...
Trying to send message 1 to endpoint 0x01 ...
OK, messagesuccessfully sent
Reading the response to message 1 (CSW) ...
OK, responsesuccessfully read (13 bytes).
Trying to send message 2 to endpoint 0x01 ...
OK, messagesuccessfully sent
Reading the response to message 2 (CSW) ...
OK, responsesuccessfully read (13 bytes).
Trying to send message 3 to endpoint 0x01 ...
OK, messagesuccessfully sent
Reading the response to message 3 (CSW) ...
OK, responsesuccessfully read (0 bytes).
Resetting response endpoint 0x81
Resetting message endpoint 0x01
Device is gone,skipping any further commands
-> Run lsusb to note any changes. Bye.
>: usb 1-1.4: USB disconnect, device number 7
usb 1-1.4: new full speed USB device number 8 using s3c2410-ohci
usb 1-1.4: New USB device found, idVendor=19d2,idProduct=0031
usb 1-1.4: New USB device strings: Mfr=2, Product=1,SerialNumber=3
usb 1-1.4: Product: ZTE CDMA Technologies MSM
usb 1-1.4: Manufacturer: ZTE,Incorporated
usb 1-1.4: SerialNumber: 1234567890ABCDEF
option 1-1.4:1.0: GSM modem (1-port) converterdetected
usb 1-1.4: GSM modem (1-port) converter now attachedto ttyUSB0
option 1-1.4:1.1: GSM modem (1-port) converterdetected
usb 1-1.4: GSM modem (1-port) converter now attachedto ttyUSB1
scsi5 : usb-storage 1-1.4:1.2
option 1-1.4:1.3: GSM modem (1-port) converterdetected
usb 1-1.4: GSM modem (1-port) converter now attachedto ttyUSB2
scsi 5:0:0:0: Direct-Access ZTE MMC Storage 2.31 PQ: 0 ANSI:2
sd 5:0:0:0: Attached scsi generic sg0 type 0
sd 5:0:0:0: [sda] Attached SCSI removable disk
发送at命令：
现在就可以进行拨号了:
>:pppd call wcdma
pppdoptions in effect:
debug # (from /etc/ppp/peers/wcdma)
nodetach # (from /etc/ppp/peers/wcdma)
dump # (from /etc/ppp/peers/wcdma)
noauth # (from /etc/ppp/peers/wcdma)
usercard # (from/etc/ppp/peers/wcdma)
password?????? # (from/etc/ppp/peers/wcdma)
remotename3gppp # (from/etc/ppp/peers/wcdma)
/dev/ttyUSB2 # (from /etc/ppp/peers/wcdma)
115200 # (from /etc/ppp/peers/wcdma)
lock # (from /etc/ppp/peers/wcdma)
connect/usr/sbin/chat -s -v -f /etc/ppp/peers/wcdma-chat-connect # (from /etc/ppp/peers/wcdma)
disconnect/usr/sbin/chat -s -v -f /etc/ppp/peers/wcdma-chat-disconnect # (from /etc/ppp/peers/wcdma)
crtscts # (from /etc/ppp/peers/wcdma)
local # (from /etc/ppp/peers/wcdma)
hide-password # (from /etc/ppp/peers/wcdma)
novj # (from /etc/ppp/peers/wcdma)
novjccomp # (from /etc/ppp/peers/wcdma)
ipcp-accept-local # (from /etc/ppp/peers/wcdma)
ipcp-accept-remote # (from /etc/ppp/peers/wcdma)
ipparam3gppp # (from/etc/ppp/peers/wcdma)
noipdefault # (from /etc/ppp/peers/wcdma)
defaultroute # (from /etc/ppp/peers/wcdma)
usepeerdns # (from /etc/ppp/peers/wcdma)
noccp # (from /etc/ppp/peers/wcdma)
abort on(BUSY)
abort on(NO CARRIER)
abort on(NO DIALTONE)
abort on(ERROR)
abort on(NO ANSWER)
timeoutset to 120 seconds
send(AT^M)
expect(OK)
AT^M^M
OK
-- got it
send(^MATZ^M)
expect(OK)
^M
ATZ^M^M
OK
-- got it
send(^MAT+CGDCONT=1,"IP","cmnet",,0,0^M)
expect(OK)
^M
AT+CGDCONT=1,"IP","cmnet",,0,0^M^M
OK
-- got it
send(ATDT*99#^M)
expect(CONNECT)
^M
ATDT*99#^M^M
CONNECT
-- got it
send (\d)
Serialconnection established.
usingchannel 1
Usinginterface ppp0
Connect:ppp0 <--> /dev/ttyUSB2
sent [LCPConfReq id=0x1 <asyncmap 0x0> <magic 0xfb2b5aaa> <pcomp><accomp>]
rcvd [LCPConfReq id=0x0 <asyncmap 0x0> <auth chap MD5> <magic0x172b914> <pcomp> <accomp>]
sent [LCPConfAck id=0x0 <asyncmap 0x0> <auth chap MD5> <magic0x172b914> <pcomp> <accomp>]
rcvd [LCPConfAck id=0x1 <asyncmap 0x0> <magic 0xfb2b5aaa> <pcomp><accomp>]
rcvd [LCPDiscReq id=0x1 magic=0x172b914]
rcvd[CHAP Challenge id=0x1 <bcbf3cbe363150861c15cffae8617331>, name ="UMTS_CHAP_SRVR"]
sent[CHAP Response id=0x1 <6fcce180826b52be7803fc7a4b601de5>, name = "card"]
rcvd[CHAP Success id=0x1 ""]
CHAPauthentication succeeded
CHAPauthentication succeeded
sent[IPCP ConfReq id=0x1 <addr 0.0.0.0><ms-dns1 0.0.0.0> <ms-dns3 0.0.0.0>]
rcvd[IPCP ConfNak id=0x1 <ms-dns1 10.11.12.13><ms-dns3 10.11.12.14> <ms-wins 10.11.12.13> <ms-wins10.11.12.14>]
sent[IPCP ConfReq id=0x2 <addr 0.0.0.0><ms-dns1 10.11.12.13> <ms-dns3 10.11.12.14>]
rcvd[IPCP ConfReq id=0x0]
sent[IPCP ConfNak id=0x0 <addr 0.0.0.0>]
rcvd[IPCP ConfNak id=0x2 <addr 10.218.148.212> <ms-dns1 211.137.58.20><ms-dns3 211.136.20.203>]
sent[IPCP ConfReq id=0x3 <addr 10.218.148.212> <ms-dns1 211.137.58.20><ms-dns3 211.136.20.203>]
rcvd[IPCP ConfReq id=0x1]
sent[IPCP ConfAck id=0x1]
rcvd[IPCP ConfAck id=0x3 <addr 10.218.148.212> <ms-dns1 211.137.58.20><ms-dns3 211.136.20.203>]
Could notdetermine remote IP address: defaulting to 10.64.64.64
local IP address 10.218.148.212
remote IPaddress 10.64.64.64
primary DNS address 211.137.58.20
secondaryDNS address 211.136.20.203
这样虽然拨号成功，但是它是在前台运行的，现在我们不能进行其他的任何操作，以前前台被它占领了，所以我们用pppd call wcdma $这个命令让它在后台运行，这样我们就可以在前台进行其他的操作了。
>:pppd call wcdma &
>:pppd options in effect:
debug # (from /etc/ppp/peers/wcdma)
nodetach # (from /etc/ppp/peers/wcdma)
dump # (from /etc/ppp/peers/wcdma)
noauth # (from /etc/ppp/peers/wcdma)
usercard # (from/etc/ppp/peers/wcdma)
password?????? # (from/etc/ppp/peers/wcdma)
remotename3gppp # (from/etc/ppp/peers/wcdma)
/dev/ttyUSB2 # (from /etc/ppp/peers/wcdma)
115200 # (from /etc/ppp/peers/wcdma)
lock # (from /etc/ppp/peers/wcdma)
connect/usr/sbin/chat -s -v -f /etc/ppp/peers/wcdma-chat-connect # (from /etc/ppp/peers/wcdma)
disconnect/usr/sbin/chat -s -v -f /etc/ppp/peers/wcdma-chat-disconnect # (from /etc/ppp/peers/wcdma)
crtscts # (from /etc/ppp/peers/wcdma)
local # (from /etc/ppp/peers/wcdma)
hide-password # (from /etc/ppp/peers/wcdma)
novj # (from /etc/ppp/peers/wcdma)
novjccomp # (from /etc/ppp/peers/wcdma)
ipcp-accept-local # (from /etc/ppp/peers/wcdma)
ipcp-accept-remote # (from /etc/ppp/peers/wcdma)
ipparam3gppp # (from /etc/ppp/peers/wcdma)
noipdefault # (from /etc/ppp/peers/wcdma)
defaultroute # (from /etc/ppp/peers/wcdma)
usepeerdns # (from /etc/ppp/peers/wcdma)
noccp # (from /etc/ppp/peers/wcdma)
abort on(BUSY)
abort on(NO CARRIER)
abort on(NO DIALTONE)
abort on(ERROR)
abort on(NO ANSWER)
timeoutset to 120 seconds
send(AT^M)
expect(OK)
AT^M^M
OK
-- got it
send(^MATZ^M)
expect(OK)
^M
ATZ^M^M
OK
-- got it
send(^MAT+CGDCONT=1,"IP","cmnet",,0,0^M)
expect(OK)
^M
AT+CGDCONT=1,"IP","cmnet",,0,0^M^M
OK
-- got it
send(ATDT*99#^M)
expect(CONNECT)
^M
ATDT*99#^M^M
CONNECT
-- got it
send (\d)
Serialconnection established.
usingchannel 2
Usinginterface ppp0
Connect:ppp0 <--> /dev/ttyUSB2
sent [LCPConfReq id=0x1 <asyncmap 0x0> <magic 0x7c43b6f1><pcomp> <accomp>]
rcvd [LCPConfReq id=0x2 <asyncmap 0x0> <auth chap MD5> <magic0x1737710> <pcomp> <accomp>]
sent [LCPConfAck id=0x2 <asyncmap 0x0> <auth chap MD5> <magic0x1737710> <pcomp> <accomp>]
rcvd [LCPConfAck id=0x1 <asyncmap 0x0> <magic 0x7c43b6f1><pcomp> <accomp>]
rcvd [LCPDiscReq id=0x3 magic=0x1737710]
rcvd[CHAP Challenge id=0x1 <b4df208e52eb3e10d25ccb92482a3b65>, name = "UMTS_CHAP_SRVR"]
sent[CHAP Response id=0x1 <b1e297cac61ee8ea5e54d436b8fa0f59>, name = "card"]
rcvd[CHAP Success id=0x1 ""]
CHAPauthentication succeeded
CHAPauthentication succeeded
sent[IPCP ConfReq id=0x1 <addr 0.0.0.0><ms-dns1 0.0.0.0> <ms-dns3 0.0.0.0>]
rcvd[IPCP ConfReq id=0x2]
sent[IPCP ConfNak id=0x2 <addr 0.0.0.0>]
rcvd[IPCP ConfNak id=0x1 <addr 10.219.187.159> <ms-dns1 211.137.58.20><ms-dns3 211.136.20.203>]
sent[IPCP ConfReq id=0x2 <addr 10.219.187.159> <ms-dns1 211.137.58.20><ms-dns3 211.136.20.203>]
rcvd[IPCP ConfReq id=0x3]
sent[IPCP ConfAck id=0x3]
rcvd[IPCP ConfAck id=0x2 <addr 10.219.187.159> <ms-dns1 211.137.58.20><ms-dns3 211.136.20.203>]
Could notdetermine remote IP address: defaulting to 10.64.64.64
local IP address 10.219.187.159
remote IPaddress 10.64.64.64
primary DNS address 211.137.58.20
secondaryDNS address 211.136.20.203
三、 现在我们就来测试一下，看看能不能上网
>: ping 4.2.2.2-I ppp0
64 bytes from 4.2.2.2:seq=4 ttl=50 time=338.370 ms
64 bytes from 4.2.2.2:seq=5 ttl=50 time=532.402 ms
64 bytes from 4.2.2.2:seq=6 ttl=50 time=446.398 ms
64 bytes from 4.2.2.2:seq=7 ttl=50 time=322.424 ms
64 bytes from 4.2.2.2:seq=8 ttl=50 time=337.416 ms
64 bytes from 4.2.2.2:seq=9 ttl=50 time=334.444 ms
Ping一下外网：
>: ping -I ppp0 210.32.200.129
PING 210.32.200.129 (210.32.200.129): 56 data bytes
64 bytes from 210.32.200.129: seq=14 ttl=49time=1287.905 ms
64 bytes from 210.32.200.129: seq=19 ttl=49time=263.708 ms
64 bytes from 210.32.200.129: seq=30 ttl=49time=408.844 ms
64 bytes from 210.32.200.129: seq=32 ttl=49time=175.844 ms
>: telnet bbs.newsmth.net
rcvd [LCP ProtRej id=0x4 00 e5 0a db bb 9f 04 02 02 02 b8 d2 00 35 00 27 be 0c 00 0d 01 00 00 01 00 00 00 00 00 00 03 77...]
Protocol-Reject for unsupported protocol0xe5
Entering character mode
Escape character is '^]'.
Ping百度：
>: ping -I ppp0 www.baidu.com
PING www.baidu.com (220.181.112.143): 56 data bytes
64 bytes from 220.181.112.143: seq=0 ttl=49time=155.370 ms
64 bytes from 220.181.112.143: seq=1 ttl=49time=651.665 ms
64 bytes from 220.181.112.143: seq=2 ttl=49time=210.690 ms
64 bytes from 220.181.112.143: seq=3 ttl=49time=243.637 ms
64 bytes from 220.181.112.143: seq=4 ttl=49time=240.710 ms
64 bytes from 220.181.112.143: seq=5 ttl=49time=231.712 ms
--- www.baidu.com ping statistics ---
6 packets transmitted, 6 packets received,0% packet loss
round-trip min/avg/max =155.370/288.964/651.665 ms
这个文档有些地方还需要完善！！
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