Linux串口軟件c-kermit配置和使用問題？

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Linux串口軟件c-kermit配置和使用問題？

應(yīng)用環(huán)境：PC 虛擬機(jī) redhat Linux(2.6.18-53.el5) gcc(4.1.2) arm-linun-gcc(4.3.2)

安裝：
下載tar包：columbia.edu/kermit          /ftp/archives/cku302.tar.gz
tar zxvf cku302.tar.gz -C kermit
cd kermit
make linux
cp wermit /usr/bin
cp wart /usr/bin


配置
# vi ~/.kermrc
輸入：
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


使用：
[root@localhost /]# wermit
Locked by process 13625
?SET SPEED has no effect without prior SET LINE
Sorry, you must SET LINE or SET HOST first
C-Kermit 9.0.302 OPEN SOURCE:, 20 Aug 2011, for Linux
Copyright (C) 1985, 2011,
  Trustees of Columbia University in the City of New York.
Type ? or HELP for help.
(/) C-Kermit>connect
Sorry, you must SET LINE or SET HOST first
(/) C-Kermit>

這是怎么回事？如何解決？