Experimental Physics and Industrial Control System
Subject: |
problem in communicating to the GPIB device with ASYN4-6 |
From: |
zhangdemin99 <[email protected]> |
To: |
tech-talk <[email protected]> |
Date: |
Thu, 2 Aug 2007 18:51:29 +0800 (CST) |
Dear all,
There are something wrong when I run the application, and it says:
#!../../bin/linux-x86/PSM6003
##You may have to change PSM6003 to something else
##everywhere it appears in this file
#<envPaths
##Register all support components
dbLoadDatabase("../../dbd/PSM6003dbd",0,0)
PSM6003_registerRecordDeviceDriver(pdbbase)
##Load record instances
dbLoadRecords("../../db/psm6003.db","P=PSM6003:,R=,L=0,A=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")
asynSetTraceMask("L0",-1,0x9)
asynSetTraceIOMask("L0",-1,0x2)
iocInit()
Starting iocInit
############################################################
##EPICS R3.149-$R3-14-9-prel $2006/11/20 21:09:36$
##EPICS Base built May 13 2007
############################################################
The CA server's beacon address list was empty after initilization?
iocInit:All initilization complete
##start any sequence programs
#seq sncPSM6003,"user=zhm"
epics>2007/08/02 16:18:38.422 /dev/ttyS0 write 15
DISPlay:TEXT?LF
2007/08/02 16:18:48.422 display-query read status ""nin 0
2007/08/02 16:18:48.422 display-query error.
I have declared the command array as follows:
{&DSET_SO,GPIBWRITE,IB_Q_LOW,0,"DISPlay:TEXT \"%S""EOSNL,0,200,0,0,0,0,0,EOSNL},
{&DSET_SI,GPIBREAD,IB_Q_LOW,"DISPlay:TEXT?"EOSNL,0,0,200,readString,0,0,0,0,EOSNL}
static int readString(gpibDpvt *pdpvt,int P1, int P2,char **P3)
{stringinRecord *prec=(stringinRecord*)pdpvt->precord;
strncpy(pre->val,pdpvt->msg,sizeof(prec->val));
prec->val[sizeof(prec->val)-1]=0;
return(0);
}
Who can give me any suggestion?
many thanks in advance.
zhang demin
劲 爆 150 万 同 时 在 线,众 人 追 捧 梦 幻 西 游
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