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1.下载源码

2.解包 3. 进入目录 4. make linux 5. 生成wermit的可执行文件 6. sudo mkdir /usr/local/man 7. sudo vi /usr/local/bin/kermit.ini

set line /dev/ttyUSB0

set speed 115200 set carrier-watch off set handshake none set flow-control none robust set file type bin set file name lit set rec pack 1000 set send pack 1000 set window 5 c

8.sudo make install

C-Kermit version 9.0.302 installed!

最后安装后的可执行文件是/usr/local/bin/kermit

1. 使用

ctrl + \

退出串口状态，回到kermit>提示符下 connect 进入串口状态

自动执行脚本进行软件加载方法，用take commandfile方法：

(/current/dir) C-Kermit> take commandfile

其中 commandfile要以下面一行打头：

#!/usr/local/bin/kermit +

示例：

#!/usr/local/bin/kermit +

LINEOUT “reboot”

INPUT 60 “autoboot: 4”

IF FAIL EXIT 1 “timeout “

LINEOUT “^B”

input 10 “ar7240>”

IF FAIL EXIT 1 “timeout “

LINEOUT “setenv bootargs kgdboc=ttyS0,115200 console=ttyS0,115200 root=31:02 rootfstype=squashfs init=/sbin/init mtdparts=ath-nor0:256k(u-boot),256k(u-boot-env),6m(rootfs0),1m(uImage0),6m(rootfs1),1m(uImage1),320k(config),1m(reserved),64k(log),64k(manu),64k(ART)”

INPUT 10 “ar7240>”

LINEOUT “set bootcmd bootm 0x9f680000”

INPUT 10 “ar7240>”

LINEOUT “set ipaddr 10.0.2.151”

INPUT 10 “ar7240>”

LINEOUT “set serverip 10.0.2.153”

INPUT 10 “ar7240>”

LINEOUT “save”

INPUT 10 “ar7240>”

if ( ( not def \%1 ) || ( ( def \%1 ) & ( eq “\%1” 1 ) ) ) {

echo “****************** load kernel **********************” lineout “tftp 0x80060000 vmlinux.lzma.uImage && erase 0x9f680000 +0x100000 && cp.b 0x80060000 0x9f680000 ${filesize}” input 60 “ar7240>” IF FAIL EXIT 1 “60 seconds timeout for waiting ar7240 prompt when burn linux kernel” }

if ( ( not def \%1 ) || ( ( def \%2 ) & ( eq “\%2” 1 ) ) ) {

echo “****************** load rootfs **********************” lineout “tftp 0x80060000 db12x-squashfs && erase 0x9f080000 +0x600000 && cp.b 0x80060000 0x9f080000 ${filesize}” input 160 “ar7240>” IF FAIL EXIT 1 “160 seconds timeout for waiting ar7240 prompt when burn db12x-squashfs” }

if ( ( not def \%1 ) || ( ( def \%3 ) & ( eq “\%3” 1 ) ) ) {

echo “****************** load config-db12x **********************” lineout “tftp 0x80060000 config-db12x && erase 0x9fe80000 +0x050000 && cp.b 0x80060000 0x9fe80000 ${filesize}” input 160 “ar7240>” }

if ( ( not def \%1 ) || ( ( def \%4 ) & ( eq “\%4” 1 ) ) ) {

echo “****************** load config-portal **********************” lineout “tftp 0x80060000 config-portal && erase 0x9fed0000 +0x100000 && cp.b 0x80060000 0x9fed0000 $filesize” input 160 “ar7240>” }

lineout “boot”

input 600 “login:” #wait for 100 seconds for prompt “login:”

lineout “root”

input 30 “Password:”

lineout “5up”

connect

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