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Subject: "Connection refused" when running Ethernet/RS232 application
From: 张德敏 <zhangdemin99@163.com>
To: tech-talk <tech-talk@aps.anl.gov>
Date: Wed, 12 Dec 2012 15:31:06 +0800 (CST)
Hello everyone,
I'm using an Ethernet/232 converter which communicates between IOC and the RS232 device , and specify the Internet host and port numper like :
drvAsynIPPortConfigure("L0","192.168.0.21:1",0,0,0). Then running the application, it occurs:
  [fel@fel iocPSM6003]$ ../../bin/linux-x86/PSM6003 st.cmd
#!../../bin/linux-x86/PSM6003
## You may have to change PSM6003 to something else
## everywhere it appears in this file
##< envPaths
##cd ${TOP}
## Register all support components
dbLoadDatabase("../../dbd/PSM6003.dbd",0,0)
PSM6003_registerRecordDeviceDriver(pdbbase)
## Load record instances
dbLoadRecords("../../db/psm6003.db","user=felHost")
##dbLoadRecords("../../db/psm6003.db","P=PSM6003:,R=,L=0,A=0")
##drvAsynIPPortConfigure("L0","127.0! .0.1",0,0,0)
drvAsynIPPortConfigure("L0","192.168.0.21:1",0,0,0)
##drvAsynSerialPortConfigure("L0","/dev/ttyS0",0,0,0)
##asynSetOption("L0",-1,"baud","9600")
##asynSetOption("L0",-1,"bits","8")
##asynSetOption("L0",-1,"parity","none")
##asynSetOption("L0",-1,"stop","1")
##asynSetOption("L0",-1,"clocal","Y")
##asynSetOption("L0",-1,"crtscts","N")
##asynOctetSetInputEos("L0",-1,"\n")
##asynOctetSetOutputEos("L0",-1,"\n")
##cd ${TOP}/iocBoot/${IOC}
iocInit()
Starting iocInit
############################################################################
## EPICS R3.14.9- $R3-14-9-pre1$ $2006/11/20 21:09:36$
## EPICS Base built Nov 20 2012
############################################################################
2012/12/12 11:08:38.678 asynManager::asynConnectCallback, port L0 error calling asynCommon! ->connect Can't connect to 192.168.0.21:1: Connection refused
2012/12/12 11:08:38.679 asynManager::asynConnectCallback, port L0 error calling asynCommon->connect Can't connect to 192.168.0.21:1: Connection refused
2012/12/12 11:08:38.680 Can't connect to 192.168.0.21:1: Connection refused L0 - 1 autoConnect could not connect
2012/12/12 11:08:38.681 asynManager::asynConnectCallback, port L0 error calling asynCommon->connect Can't connect to 192.168.0.21:1: Connection refused
2012/12/12 11:08:38.780 asynManager::asynConnectCallback, port L0 error calling asynCommon->connect Can't connect to 192.168.0.21:1: Connection refused
2012/12/12 11:08:38.781 asynManager::asynConnectCallback, port L0 error calling asynCommon->connect Can't connect to 192.168.0.21:1: Connection refused
2012/12/12 11:08:38.781 asynManager::asynConnectCallback, port L0 error calling asynCommon->connect Can't connect to 192.168.0.2 1:1: Connection refused
2012/12/12 11:08:38.784 asynManager:! :asynConnectCallback, port L0 error calling asynCommon->connect Can't connect to 192.168.0.21:1: Connection refused
2012/12/12 11:08:38.785 asynManager::asynConnectCallback, port L0 error calling asynCommon->connect Can't connect to 192.168.0.21:1: Connection refused
2012/12/12 11:08:38.786 asynManager::asynConnectCallback, port L0 error calling asynCommon->connect Can't connect to 192.168.0.21:1: Connection refused
iocInit: All initialization complete
## Start any sequence programs
#seq sncxxx,"user=felHost"
epics>
[fel@fel iocPSM6003]$
So, what probably has caused my problem?
Thanks,
Demin zhang





Replies:
Re: "Connection refused" when running Ethernet/RS232 application Nicholas P. DiMonte

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