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硬件：A83T
--- a/lichee/linux-3.4/drivers/usb/serial/option.c+++ b/lichee/linux-3.4/drivers/usb/serial/option.c@@ -948,6 +948,7 @@ static const struct usb_device_id option_ids[] = { { USB_DEVICE(QUALCOMM_VENDOR_ID, 0x6613)}, /* Onda H600/ZTE MF330 */ { USB_DEVICE(QUALCOMM_VENDOR_ID, 0x9000)}, /* SIMCom SIM5218 */ { USB_DEVICE(QUALCOMM_VENDOR_ID, 0x3197)},+ { USB_DEVICE(0x1c9e, 0x9b3c)}, Device Drivers ---> -*-Network device support ---> {*}ppp(point-to-point protocol) support [*] ppp support for async serial ports [*] ppp support for sync tty ports 配置USB MODEMDevice Drivers ---> [*]USB support ---> [*]USB Serial Conerter support ---> [*]USB Generic Serial Driver …… [*]USB driver for GSM and CDMA modems 重新编译内核。设备正常加载后，输入命令“ls /dev/ttyUSB*”后会看到有ttyUSB(0,1,2,-,-)映射出来。root@octopus-f1:/system/vendor/modules # ls /dev/ttyUSB* -l crwxrwxrwx system system 188, 0 1970-01-01 09:00 ttyUSB0crwxrwxrwx system system 188, 1 1970-01-01 09:00 ttyUSB1crwxrwxrwx system system 188, 2 1970-01-01 09:00 ttyUSB2crwxrwxrwx system system 188, 3 1970-01-01 09:00 ttyUSB3crw------- root root 188, 4 1970-01-01 09:00 ttyUSB4 先确保插入SIM卡和天线1)查询版本信息echo AT+LCTSW > /dev/ttyUSB2AT+LCTSW SoftwareVersion: QB30001.1.0_MX10 InnerVersion: QB30001_0016_1.0.6_L0919_EFS1.6 AP: QB30001_0016_1.0.6_L0919_MX102)查询信号,将会得到信号强度和误码率信息echo AT+CSQ > /dev/ttyUSB2AT+CSQ +CSQ: 25,633)注册状态echo AT+CREG? > /dev/ttyUSB2AT+CREG? +CREG: 0,1 OK4)网络运营商信息echo AT+COPS? > /dev/ttyUSB2AT+COPS? +COPS: 0,0,"CHINA MOBILE",7 OK联通+COPS: 0,0,"CHN-UNICOM",7+COPS: 0,1,"UNICOM",7+COPS: 0,2,"46001",7
确保信号强度CSQ返回的第一个参数在13以上1)建立拨号配置文件/etc/ppp/gprs-connect-chatgprs-connect-char它是在ppp层会话时给chat进程的参数,每行是一个"期望/发送" 的组合序列TIMEOUT 15 ;超时控制ABORT "DELAYED" ;如果收到字符串"DELAYED" "BUSY" "ERROR"...就退出执行 ABORT "BUSY"ABORT "ERROR"ABORT "NO DIALTONE"ABORT "NO CARRIER"TIMEOUT 40"" \rAT ;modem不管收到会么字符串,先发送AT指令OK ATS0=0 ;期望收到OK,然后发送ATS0=0OK ATE0V1 ;期望收到OK,然后发送ATE0V1OK AT+CGDCONT=1,"IP","CMNET" ;最后一个参数为中国移动的apnOK ATDT*99***1# ;*99***1#为中国移动的拨号号码CONNECT "" ;如果收到CONNECT,就不再发送,认为数据链路已建立中国联通(WCDMA) APN: 3GNET 拨号号码:*99#中国电信(CDMA200/EVDO) APN: 无 拨号号码:#777 帐号:ctnet@mycdma.cn 密码:vnet.mobi中国移动(TD-SCDMA) APN: CMNET 拨号号码:*98*1# 中国移动(GPRS/EGDE) APN: CMNET 拨号号码:*99***1#2)建立拨号配置文件 /etc/ppp/peers/gprs#Usage: root > pppd call gprs/dev/ttyUSB19600crtsctsmodem#noauthdebugnodetach#hide-passwordusepeerdnsnoipdefaultdefaultroute0.0.0.0:0.0.0.0ipcp-accept-localipcp-accept-remote#lcp-echo-failure 12#icp-echo-interval 3#noccp#novj#novjccomp#persistconnect '/system/bin/chat -s -v -f /etc/ppp/gprs-connect-chat'pppd 调用chat会话进程接入对端isp,启动对端的pppd,然后本地pppd与对端pppd一起进行协商网络参数和chap/pap认证,成功后,再进行ip的分配3)测试# pppd call gprs & 出现ppp0节点ppp0 Link encap:Point-to-Point Protocol inet addr:10.32.54.229 P-t-P:10.64.64.64 Mask:255.255.255.255 UP POINTOPOINT RUNNING NOARP MULTICAST MTU:1500 Metric:1 RX packets:5 errors:0 dropped:0 overruns:0 frame:0 TX packets:7 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:3 RX bytes:62 (62.0 B) TX bytes:129 (129.0 B)# busybox ping 119.75.217.56 //百度IP PING 119.75.217.56 (119.75.217.56): 56 data bytes64 bytes from 119.75.217.56: seq=0 ttl=54 time=181.708 ms64 bytes from 119.75.217.56: seq=1 ttl=54 time=69.901 ms
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