3G模块SIM5360E拨号上网
首先需要添加usb驅(qū)動(dòng)，這就不介紹了，添加usb驅(qū)動(dòng)參考：
https://blog.csdn.net/qq_43260665/article/details/89789136
在Linux內(nèi)核2.6.20之后就有一個(gè)通用的名叫usbserial的驅(qū)動(dòng)能夠支持SIMCom的設(shè)備使用
一、修改內(nèi)核
修改一：添加廠商id和產(chǎn)品id
[wuyujun@wuyujunlocalhost]$ cd fl2440/linux/linux-3.0/drivers/usb/serial/
[wuyujun@wuyujunlocalhost serial]$?vim option.c
在static struct usb_device_id option_ids[]結(jié)構(gòu)體里
/* ?????add for simcom ?*/
?
#define SIMCOM_WCDMAN_VENDOR_ID ????????????????0x05C6
#define SIMCOM_WCDMAN_PRODUCT_ID ???????????????0x9000
/* ?????end for simcom ?*/
static struct usb_device_id option_ids[] = {
????????{ USB_DEVICE(SIMCOM_WCDMAN_VENDOR_ID, SIMCOM_WCDMAN_PRODUCT_ID) },??/* ?add by simcom ??*/
修改二：添加重啟恢復(fù)
static struct usb_driver option_driver = {
????????.name ??????= "option",
????????.probe ?????= usb_serial_probe,
????????.disconnect = usb_serial_disconnect,
#ifdef CONFIG_PM
????????.suspend ???= usb_serial_suspend,
????????.resume ????= usb_serial_resume,
????????.reset_resume = usb_serial_resume,?/* ??add reset_resume ???????*/
修改三：支持低功耗模式
加到static int option_probe(struct usb_serial *serial,const struct usb_device_id *id)函數(shù)最后
????????if (serial->dev->descriptor.idVendor == SIMCOM_WCDMA_VENDOR_ID &&
????????serial->dev->descriptor.idProduct == SIMCOM_WCDMA_PRODUCT_ID)
#ifdef CONFIG_PM
????????????????pm_runtime_set_autosuspend_delay((struct device *)serial->dev, 12*1000) ;/* ????for kernel 2.6.38 and above ????*/
????????????????usb_enable_autosuspend(serial->dev) ;
#endif /* CONFIG_PM */
????????}
修改四：添加短報(bào)文包標(biāo)識(shí)
[wuyujun@wuyujunlocalhost serial]$?vim usb_wwan.c
在static void usb_wwan_setup_urbs(struct usb_serial *serial)函數(shù)里
/* outdat endpoints */
for (j = 0; j < N_OUT_URB; ++j) {
portdata->out_urbs[j] = usb_wwan_setup_urb(serial,
??????????????????????????????????????????????? port->
bulk_out_endpointAddress,
??????????????????????????????????????????????? USB_DIR_OUT,
??????????????????????????????????????????????? port,
portdata->
???????????????????????????????????????????? out_buffer
???????????????????????????????????????? [j],
???????????????????????????????????????????? OUT_BUFLEN,
????????????????????????? ????????????? usb_wwan_outdat_callback);
?
??????????????????????portdata->out_urbs[j]->transfer_flags |= URB_ZERO_PACKET ; //add by simcom
????????????????}
二、配置內(nèi)核
添加USB轉(zhuǎn)串口支持 ??
Device Drivers ?--->
?[*] USB support ?---> ?????
? ? ? ? <*> ??USB Serial Converter support ?---> ?
? ? ? ? <*> ??USB driver for GSM and CDMA modems
Device Drivers ?--->
Generic Driver Options ?--->
? ? ? ?[*] Maintain a devtmpfs filesystem to mount at /dev
? ? ? ?[*] ??Automount devtmpfs at /dev, after the kernel mounted the rootfs
添加內(nèi)核對PPP撥號(hào)支持
Device Drivers ?--->
[*] Network device support ?--->
? ? ? ? ?<*> ??PPP (point-to-point protocol) support
? ? ? ? ?[*] ????PPP multilink support (EXPERIMENTAL)
? ? ? ? ?[*] ????PPP filtering
? ? ? ? <*> ????PPP support for async serial ports
? ? ? ? <*> ????PPP support for sync tty ports
? ? ? ? <*> ????PPP Deflate compression
? ? ? ? <*> ????PPP BSD-Compress compression
配置完后重新編譯內(nèi)核并燒錄內(nèi)核
啟動(dòng)好系統(tǒng)之后插上sim5360e模塊會(huì)出現(xiàn)如下信息：
usb 1-1.2: new full speed USB device number 4 using s3c2410-ohci
option 1-1.2:1.0: GSM modem (1-port) converter detected
usb 1-1.2: GSM modem (1-port) converter now attached to ttyUSB0
option 1-1.2:1.1: GSM modem (1-port) converter detected
usb 1-1.2: GSM modem (1-port) converter now attached to ttyUSB1
option 1-1.2:1.2: GSM modem (1-port) converter detected
usb 1-1.2: GSM modem (1-port) converter now attached to ttyUSB2
option 1-1.2:1.3: GSM modem (1-port) converter detected
usb 1-1.2: GSM modem (1-port) converter now attached to ttyUSB3
option 1-1.2:1.4: GSM modem (1-port) converter detected
usb 1-1.2: GSM modem (1-port) converter now attached to ttyUSB4
~ >: ls dev/ttyUSB*
dev/ttyUSB0 ?dev/ttyUSB1 ?dev/ttyUSB2 ?dev/ttyUSB3 ?dev/ttyUSB4
插上SIM5630E如果出現(xiàn)上述現(xiàn)象說明內(nèi)核使能成功
用ls命令可以看到/devttyUSB0，ttyUSB1，ttyUSB2，ttyUSB3，ttyUSB4五個(gè)設(shè)備在/dev目錄下被創(chuàng)建，五個(gè)設(shè)備分別為五個(gè)不同功能模塊，ttyUSB2作為AT命令的接口.
三大運(yùn)營商2G/3G/4G頻率分配和網(wǎng)絡(luò)制式：
所以sim5360最好使用聯(lián)通卡進(jìn)行撥號(hào)上網(wǎng)
三、移植撥號(hào)工具pppd和chat
進(jìn)行撥號(hào)上網(wǎng)還需要用ppp上網(wǎng)需要兩個(gè)程序：pppd和chat 。這兩個(gè)程序有開源代碼，只需要根據(jù)自己的情況修改移植到開發(fā)板就可以了
[wuyujun@wuyujunlocalhost 3rdparty]$?cd ~/fl2440/3rdparty/
[wuyujun@wuyujunlocalhost 3rdparty]$ wget http://samba.org/ftp/ppp/ppp-2.4.5.tar.gz
[wuyujun@wuyujunlocalhost 3rdparty]$?tar zxvf ppp-2.4.5.tar.gz ppp-2.4.5.tar.gz
[wuyujun@wuyujunlocalhost ppp-2.4.5]$ ./configure ?//生成makefile
[wuyujun@wuyujunlocalhost ppp-2.4.5]$?cd chat/
[wuyujun@wuyujunlocalhost chat]$?vim chat.c ??
...
if (timeout_next) {
????????timeout_next = 0;
????????s = clean(s, 0);//add by WuYujun
????????timeout = atoi(s);
????????free(s);//add by Wuyujun
?
[wuyujun@wuyujunlocalhost chat]$ vim Makefile
...
COPTS= ?-O2 -g -pipe
CFLAGS= $(COPTS) $(CDEFS)
?
CC =/opt/xtools/arm920t/bin/arm-linux-gcc?//根據(jù)自己的情況添加交叉編譯器
INSTALL= install
[wuyujun@wuyujunlocalhost chat]$?cd ../pppd????//切換到pppd目錄下
[wuyujun@wuyujunlocalhost pppd]$ vim Makefile
CC =/opt/xtools/arm920t/bin/arm-linux-gcc?//根據(jù)自己的情況添加交叉編譯器
[wuyujun@wuyujunlocalhost pppd]$ vim auth.c
hadchap = -1;
????????/* ?????commented out by WuYujun ???????*/
????/* ?ao->neg_upap = !refuse_pap && (passwd[0] != 0 || get_pap_passwd(NULL)); */
????ao->neg_chap = (!refuse_chap || !refuse_mschap || !refuse_mschap_v2)
[wuyujun@wuyujunlocalhost pppd]$ cd ..
[wuyujun@wuyujunlocalhost ppp-2.4.5]$?make
[wuyujun@wuyujunlocalhost ppp-2.4.5]$?cd chat/
[wuyujun@wuyujunlocalhost chat]$?ls
chat??chat.8 ?chat.c ?chat.o ?Makefile ?Makefile.linux ?Makefile.sol2
[wuyujun@wuyujunlocalhost chat]$ file chat ?//可以看到chat文件是ARM可執(zhí)行文件
chat: ELF 32-bit LSB executable, ARM, version 1 (SYSV), dynamically linked (uses shared libs), for GNU/Linux 2.6.16, not stripped
生成的chat是ARM開發(fā)板可執(zhí)行文件，將其傳到開發(fā)板的/bin或者/sbin路徑下
[wuyujun@wuyujunlocalhost chat]$?cd ../pppd
[wuyujun@wuyujunlocalhost pppd]$?file pppd
pppd: ELF 32-bit LSB executable, ARM, version 1 (SYSV), dynamically linked (uses shared libs), for GNU/Linux 2.6.16, not stripped
~ >: tftp -gr pppd 192.168.137.1
pppd ????????????????100% |*******************************| ??788k ?0:00:00 ETA
~ >: tftp -gr chat 192.168.137.1
chat ????????????????100% |*******************************| 51028 ??0:00:00 ETA
~ >:?mv chat pppd /bin/ ???//放到/bin路徑下面
/bin >:?chmod a+x chat
/bin >: chmod a+x pppd
?
~ >:?cd /etc/
/etc >:?mkdir -p ppp/peers ??//在開發(fā)板的/etc目錄新建/ppp/peers目錄并在peers目錄下創(chuàng)建如下配置文件
/etc >:?cd ppp/peers/ ?????????
/etc/ppp/peers >:?vi wcdma ???//編寫配置文件，給pppd進(jìn)程提供配置參數(shù)
#Copyright (c) 2019 WuYujun ?
#set debug ,send message to /var/log/messages
debug
#To keep pppd on the terminal
nodetach
lock ??#
#set seriral
/dev/ttyUSB3
# set baudrate
115200 ??????????#設(shè)置波特率
user "wyj" ???????#如果需要chap或pap認(rèn)證，則輸入該用戶名和密碼 ????????????????????????????????????
password "wuyujun" ?
# set flowrate
crtscts ???????????????
show-password
usepeerdns
noauth ????????????#不設(shè)置認(rèn)證
noipdefault ????????#禁用默認(rèn)IP???
novj ????????????#禁用TCP壓縮
novjccomp
noccp
# Accept the peer's idea of our local IP address
ipcp-accept-local
# ipcp-accept-remote
ipcp-accept-remote
connect '/bin/chat -s -v -f /etc/ppp/peers/wcdma-chat-connect' #/bin/chat根據(jù)你chat放置的位置
disconnect '/bin/chat -s -v -f /etc/ppp/peers/wcdma-chat-disconnect'
/etc/ppp/peers >: vi wcdma-chat-connect
ABORT 'NO CARRIER'
ABORT 'ERROR'
ABORT 'NO DIALTONE'
ABORT 'BUSY'
ABORT 'NO ANSWER'
'' \rAT ??#發(fā)送AT命令
OK \rATZ ??#等待接收OK，接收到OK發(fā)送ATZ命令
OK \rAT+CGDCONT=1,"IP","3gnet",,0,0 ?#接收到OK，發(fā)送AT+CGDCONT=1...命令
#下面一行是聯(lián)通的撥號(hào)設(shè)置,不同的運(yùn)營商撥號(hào)方式有所不同
OK-AT-OK ATDT*99#
CONNECT \d\c
| 運(yùn)營商（ISP） | APN | 撥號(hào)號(hào)碼 | 帳號(hào) | 密碼 |
| 中國聯(lián)通WCDMA （China Unicom） | 3GNET | *99# | 空 | 空 |
| 中國電信CDMA2000 （China Telecom） EVDO網(wǎng)絡(luò) | 空 | #777 | ctnet@mycdma.cn | vnet.mobi |
| 1X網(wǎng)絡(luò) | 空 | #777 | card (CARD) | card（CARD） |
| 中國移動(dòng)?TD-SCDMA （China Mobile） | CMNET | *98*1# | 空 | 空 |
| 中國移動(dòng)?GPRS （China Mobile） | CMNET | *99***1# | 空 | 空 |
?
/etc/ppp/peers >:?vi wcdma-chat-disconnect ??//出錯(cuò)處理wcdma-chat-disconnect 腳本
ABORT "ERROR"
ABORT "NO DIALTONE"
SAY "\nSending break to the modem\n"
'' "\K"
'' "+++ATH"
SAY "\nGoodbay\n"
/etc/ppp/peers >:?pwd
/etc/ppp/peers
/etc/ppp/peers >: ls
wcdma ?????????????????wcdma-chat-connect ????wcdma-chat-disconnect
用microcom,查看我們的卡是否裝好以及是否有信號(hào)(ttyUSB2是AT命令接口)。
~ >:microcom -s 115200 /dev/ttyUSB2
常用AT命令
A???????重復(fù)上次命令
ATE0 ???關(guān)閉回顯
ATE1 ???開啟回顯
AT+CGMM?????可查看模塊名
AT+CGMR?????可查看模塊版本信息
AT+CGMI?????可查看模塊制造商
AT+CSQ??????可查看信號(hào)強(qiáng)度
AT+CPIN？ ???查看SIM卡是否到位
AT+CREG？ ???查看SIM卡是否注冊上，網(wǎng)絡(luò)注冊的情況。（注冊上后才可以撥號(hào)）
AT+COPS？ ???查看SIM卡運(yùn)營商
/etc/ppp/peers >:?pppd call wcdma& ?//撥號(hào)上網(wǎng)，出現(xiàn)如下信息說明撥號(hào)連接成功
/etc/ppp/peers >: abort on (NO CARRIER) abort on (ERROR) abort on (NO DIALTONE) abort on (BUSY) abort on (NO ANSWER) send (^MAT^M) expect (OK) AT^M^M OK-- got itsend (^MATZ^M) expect (OK) ^M ATZ^M^M OK-- got itsend (^MAT+CGDCONT=1,"IP","3gnet",,0,0^M) expect (OK) ^M AT+CGDCONT=1,"IP","3gnet",,0,0^M^M OK-- got itsend (ATDT*99#^M) expect (CONNECT) ^M ATDT*99#^M^M CONNECT-- got itsend (\d) Script /bin/chat -s -v -f /etc/ppp/peers/wcdma-chat-connect finished (pid 1041), status = 0x0 Serial connection established. using channel 2 Using interface ppp0 Connect: ppp0 <--> /dev/ttyUSB3 sent [LCP ConfReq id=0x1 <asyncmap 0x0> <magic 0x6cc2e313> <pcomp> <accomp>] rcvd [LCP ConfReq id=0x2 <asyncmap 0x0> <auth chap MD5> <magic 0x2fb4793> <pcomp> <accomp>] sent [LCP ConfAck id=0x2 <asyncmap 0x0> <auth chap MD5> <magic 0x2fb4793> <pcomp> <accomp>] rcvd [LCP ConfAck id=0x1 <asyncmap 0x0> <magic 0x6cc2e313> <pcomp> <accomp>] rcvd [LCP DiscReq id=0x3 magic=0x2fb4793] rcvd [CHAP Challenge id=0x1 <aca2066a9400a2d92c64d41a7692fc6d>, name = "UMTS_CHAP_SRVR"] sent [CHAP Response id=0x1 <68be2548b69885fd8d514b893d366581>, name = "wyj"] rcvd [CHAP Success id=0x1 ""] CHAP authentication succeeded CHAP authentication succeeded sent [IPCP ConfReq id=0x1 <compress VJ 0f 00> <addr 0.0.0.0> <ms-dns1 0.0.0.0> <ms-dns2 0.0.0.0>] rcvd [proto=0x3] 01 00 04 Unsupported protocol 0x3 received sent [LCP ProtRej id=0x2 00 03 01 00 04] sent [IPCP ConfReq id=0x1 <compress VJ 0f 00> <addr 0.0.0.0> <ms-dns1 0.0.0.0> <ms-dns2 0.0.0.0>] rcvd [IPCP ConfReq id=0x2] sent [IPCP ConfNak id=0x2 <addr 0.0.0.0>] rcvd [IPCP ConfRej id=0x1 <compress VJ 0f 00>] sent [IPCP ConfReq id=0x2 <addr 0.0.0.0> <ms-dns1 0.0.0.0> <ms-dns2 0.0.0.0>] rcvd [IPCP ConfReq id=0x3] sent [IPCP ConfAck id=0x3] rcvd [IPCP ConfNak id=0x2 <addr 10.1.50.212> <ms-dns1 202.102.128.68> <ms-dns2 202.102.134.68>] sent [IPCP ConfReq id=0x3 <addr 10.1.50.212> <ms-dns1 202.102.128.68> <ms-dns2 202.102.134.68>] rcvd [IPCP ConfAck id=0x3 <addr 10.1.50.212> <ms-dns1 202.102.128.68> <ms-dns2 202.102.134.68>] Could not determine remote IP address: defaulting to 10.64.64.64 local IP address 10.1.50.212 remote IP address 10.64.64.64 primary DNS address 202.102.128.68 secondary DNS address 202.102.134.68/etc/ppp/peers >: cd
~ >: ifconfig???//查看網(wǎng)卡可以發(fā)現(xiàn)ppp0的網(wǎng)絡(luò)接口
eth0 ?????Link encap:Ethernet ?HWaddr 0E:9E:AA:E2:43:97 ?
??????????inet addr:192.168.137.9 ?Bcast:192.168.137.255 ?Mask:255.255.255.0
??????????UP BROADCAST RUNNING MULTICAST ?MTU:1500 ?Metric:1
??????????RX packets:121 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:26434 (25.8 KiB) ?TX bytes:0 (0.0 B)
??????????Interrupt:51 Base address:0x6300
?
ppp0 ?????Link encap:Point-to-Point Protocol ?
??????????inet addr:10.1.50.212 ?P-t-P:10.64.64.64??Mask:255.255.255.255
??????????UP POINTOPOINT RUNNING NOARP MULTICAST ?MTU:1500 ?Metric:1
??????????RX packets:6 errors:0 dropped:0 overruns:0 frame:0
??????????TX packets:6 errors:0 dropped:0 overruns:0 carrier:0
??????????collisions:0 txqueuelen:3
??????????RX bytes:65 (65.0 B) ?TX bytes:114 (114.0 B)
ppp0網(wǎng)關(guān)是10.64.64.64
~ >: ping baidu.com
ping: bad address 'baidu.com'
~ >:?vi /etc/resolv.conf????//配置DNS域名解析
nameserver 8.8.8.8
nameserver 114.114.114.114
~ >: mv /etc/resolv.conf /etc/resolv.conf.bak ??
~ >:?ln -s /etc/ppp/resolv.conf /etc/resolv.conf #建立一個(gè)軟鏈接，鏈接到全局DNS
~ >: route add default gw 10.64.64.64 ???//添加默認(rèn)網(wǎng)關(guān)
~ >: ping baidu.com ?
PING baidu.com (123.125.114.144): 56 data bytes
64 bytes from 123.125.114.144: seq=0 ttl=51 time=160.000 ms
64 bytes from 123.125.114.144: seq=1 ttl=51 time=125.000 ms
64 bytes from 123.125.114.144: seq=2 ttl=51 time=200.000 ms
64 bytes from 123.125.114.144: seq=3 ttl=51 time=195.000 ms
?
參考：https://blog.csdn.net/qicheng777/article/details/73554639
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