imx6 yocto 3g模块移植

来源：互联网发布：手机车牌识别软件编辑：程序博客网时间：2024/04/30 17:20

1.配置内核：

[*] Network device support --->

<*> PPP (point-to-point protocol) support

<*> PPP BSD-Compress compression

<*> PPP Deflate compression

[*] PPP filtering

<*> PPP MPPE compression (encryption)

[*] PPP multilink support

<*> PPP over Ethernet

<*> PPP support for async serial ports

<*> PPP support for sync tty ports

[*] USB support --->

<*> USB Modem (CDC ACM) support

[*] USB support --->

<*> USB Serial Converter support --->

<*> USB driver for GSM and CDMA modems

2.修改配置文件

vi <build-directory>/conf/local.conf

添加：

IMAGE_INSTALL_append += "ppp"

3.编译，烧写。

4.在/etc/新建文件ppp-on-dialer

写入内容：

TIMEOUT 5 '' AT OK AT+CGDCONT=1,"IP","CMNET" OK AT OK ATE0V1 OK AT OK
ATS0=0 OK AT OK ATE0V1 OK AT OK ATDT*99***1# CONNECT ''

5.创建sh脚本 3g.sh#!/bin/sh
#Closed other network
ifconfig eth0 down
ifconfig wlan0 down
pppd /dev/ttyUSB2 connect "chat -v -f /etc/ppp-on-dialer"
time=0
echo "Connected to 3G network"
dev=`ifconfig |grep "ppp0" |busybox cut -d: -f0 |busybox cut -d" " -f1`
while [ "$dev" != "ppp0" ] && [ $time -lt 10 ]
do
sleep 1
time=`expr $time + 1`
dev=`ifconfig |grep "ppp0" |busybox cut -d: -f0 |busybox cut -d" " -f1`
done

if [ "$dev" == "ppp0" ]
then echo "Connection successful"
route add default gw 10.64.64.64 dev ppp0
ifconfig ppp0
else
echo "Connection failed,Please try again"
fi

6.插入3g模块

7.执行3g.sh脚本

8.修改dns，配置文件位置：/etc/resolv.conf,写入内容

nameserver 202.106.0.20

9,测试网络，ping www.baidu.com

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