Experimental Physics and
Industrial Control System

Heinz Junkes via Tech-talk <[email protected]> · Thu, 7 Mar 2019 09:12:03 +0100

Dohn,

this does the trick

asynOctetSetInputEos("MOXA_4",0,"\n")
asynOctetSetOutputEos("MOXA_4",0,"\n”)

\n instead of \r as the terminator.

Thank you very much for your driver. I just made myself too stupid to use it correctly ;-)
Danke, Heinz

> On 6. Mar 2019, at 18:54, Arms, Dohn A. <[email protected]> wrote:
> 
> I don't see where you are setting the end of string terminators and, assuming "\r",  I would add:
> 
> asynOctetSetOutputEos("MOXA_4",0,"\r")
> asynOctetSetInputEos("MOXA_4",0,"\r")
> 
> The driver does not set those behind the scenes, as the hardware lets you change them.
> 
> 
> 
> 
> Just as a comparison, the setup I have for a device while using a Moxa is:
> 
> drvAsynIPPortConfigure("ip_ca1","164.54.118.20:4001", 0, 0, 0)
> asynOctetSetInputEos("ip_ca1",0,"\r")
> asynOctetSetOutputEos("ip_ca1",0,"\r")
> 
> drvAsynKeithley648x( "6485", "CA1","ip_ca1",-1);
> dbLoadRecords("$(TOP)/29idbApp/Db/Keithley6485.db","P=29idb:,CA=ca1:,PORT=CA1")
> 
> 
> 
> Dohn
> 
> 
> 
> On 3/6/19 11:38 AM, Heinz Junkes wrote:
>> I'm unsure about creating the different ports. Am I doing something wrong in the startup?
>> 
>> Danke, Heinz
>> 
>> 
>>> On 6. Mar 2019, at 16:59, Arms, Dohn A. via Tech-talk <[email protected]>
>>>  wrote:
>>> 
>>> Hi Heinz,
>>> 
>>> Sorry that my driver didn't communicate for you.
>>> 
>>> I just added to my github repo the boot directory I use for testing the 
>>> 6485
>>> and 6487 devices we have, which I forgot to add before.
>>> 
>>> Dohn
>>> 
>>> 
>>> 
>>> On 3/6/19 9:41 AM, Heinz Junkes via Tech-talk wrote:
>>> 
>>>> Unfortunately, I had to give up here due to lack of time. I couldn't communicate
>>>> with this Keithley IP-asyn-driver.
>>>> 
>>>> I am now on Streamdevice
>>>> 
>>>> (Danke Christoph)
>>>> 
>>>> “
>>>> not sure what driver you are trying to use, but you can also use the
>>>> Streamdevice support from LBNL:
>>>> 
>>>> https://epics.anl.gov/download/modules/index.php
>>>> https://epics.anl.gov/download/modules/Keithley6487-1.1.tar.gz
>>>> 
>>>> 
>>>> the Keithley 6485 is basically a Keithley 6487 with fewer functionality
>>>> (no limit Tests and Voltage source). Most commands are supported by the
>>>> 6485 as well.
>>>> It's used like any other Streamdevice support.
>>>> 
>>>> Best regards,
>>>> Christoph
>>>> “
>>>> 
>>>> Gruss,
>>>> Heinz
>>>> 
>>>> 
>>>> 
>>>> 
>>>>> On 6. Mar 2019, at 14:51, Heinz Junkes via Tech-talk <[email protected]>
>>>>>  wrote:
>>>>> 
>>>>> Looks much better.
>>>>> 
>>>>> Now I get it. The function drvAsynKeithley648x returns a port for communicating. I hadn't understood that.
>>>>> 
>>>>> ...
>>>>> drvAsynIPPortConfigure("MOXA_4", "172.24.192.29:4004", 0, 0, 0)
>>>>> drvAsynKeithley648x("6485", "Keithley6485", "MOXA_4",0)
>>>>> 2019/03/06 14:47:24.055 Keithley6485 writeRead: error 1 wrote "*IDN?"
>>>>> drvAsynKeithley648x::drvAsynKeithley6485 port Keithley6485 failed to acquire identification
>>>>> asynSetTraceIOMask("MOXA_4", 0, 0x2)
>>>>> asynSetTraceMask("MOXA_4", 0, 0x9)
>>>>> dbLoadRecords("db/Keithley6485.db", "P=trARPES:, CA=Sample:, PORT=Keithley6485”)
>>>>> …
>>>>> 
>>>>> 2019/03/06 14:48:46.391 trARPES:Sample:read devAsynFloat64::processCallbackInput process read error
>>>>> 2019/03/06 14:48:46.391 trARPES:Sample:readStatusOverflow devAsynInt32::processCallbackInput process read error
>>>>> 2019/03/06 14:48:46.391 trARPES:Sample:readStatusFilter devAsynInt32::processCallbackInput process read error
>>>>> 2019/03/06 14:48:46.392 trARPES:Sample:readStatusMath devAsynInt32::processCallbackInput process read error
>>>>> 2019/03/06 14:48:46.392 trARPES:Sample:readStatusNull devAsynInt32::processCallbackInput process read error
>>>>> 2019/03/06 14:48:46.392 trARPES:Sample:readStatusLimits devAsynInt32::processCallbackInput process read error
>>>>> 2019/03/06 14:48:46.392 trARPES:Sample:readStatusOvervoltage devAsynInt32::processCallbackInput process read error
>>>>> …
>>>>> 
>>>>> Now I have to check if the device is connected ;-)
>>>>> 
>>>>> Danke,
>>>>> Heinz
>>>>> 
>>>>> 
>>>>>> On 6. Mar 2019, at 14:28, Mark Rivers <[email protected]>
>>>>>>  wrote:
>>>>>> 
>>>>>> OK, so the actual code to create the port is this, it does take 4 arguments:
>>>>>> 
>>>>>> int drvAsynKeithley648x(const char *type, const char *myport,
>>>>>>                       const char *ioport, int ioaddr)
>>>>>> 
>>>>>> 
>>>>>> So your code should call
>>>>>> 
>>>>>> 
>>>>>> drvAsynIPPortConfigure("MOXA_4", "172.24.192.29:4004", 0, 0, 0)
>>>>>> drvAsynKeithley648x("6485", "Keithley6485", "MOXA_4",0)
>>>>>> 
>>>>>> asynSetTraceIOMask("MOXA_4", 0, 0x2)
>>>>>> asynSetTraceMask("MOXA_4", 0, 0x9)
>>>>>> dbLoadRecords("db/Keithley6485.db", "P=trARPES:, CA=Sample:, PORT=Kiethley6485")
>>>>>> 
>>>>>> What do you see if you try that?
>>>>>> 
>>>>>> 
>>>>>> ________________________________
>>>>>> From: Heinz Junkes 
>>>>>> <[email protected]>
>>>>>> 
>>>>>> Sent: Wednesday, March 6, 2019 7:09 AM
>>>>>> To: Mark Rivers
>>>>>> Cc: 
>>>>>> [email protected]
>>>>>> 
>>>>>> Subject: Re: epics-Keithley_648x, drvAsynKeithley648x
>>>>>> 
>>>>>> Hello, Mark,
>>>>>> 
>>>>>> thank you for your answers. Unfortunately it doesn't work that way either:
>>>>>> 
>>>>>> startup
>>>>>> ...
>>>>>> drvAsynIPPortConfigure("MOXA_4", "172.24.192.29:4004", 0, 0, 0)
>>>>>> drvAsynKeithley648x("6485", "MOXA_4",0)
>>>>>> drvAsynKeithley648x::drvAsynKeithley6485 port MOXA_4 can't connect to asynCommon on Octet server 0 address 0.
>>>>>> asynSetTraceIOMask("MOXA_4", 0, 0x2)
>>>>>> asynSetTraceMask("MOXA_4", 0, 0x9)
>>>>>> dbLoadRecords("db/Keithley6485.db", "P=trARPES:, CA=Sample:, PORT=6485")
>>>>>> ...
>>>>>> 
>>>>>> The driver is from 
>>>>>> https://github.com/dohnarms/epics-Keithley_648x
>>>>>> 
>>>>>> 
>>>>>> In the driver there seems to be a mismatch
>>>>>> 
>>>>>> ...
>>>>>> 
>>>>>> /* Public interface forward references */
>>>>>> int drvAsynKeithley648x(const char* myport,const char* ioport, int ioaddr);
>>>>>> ...
>>>>>> 
>>>>>> 
>>>>>> /****************************************************************************
>>>>>> * Define public interface methods
>>>>>> ****************************************************************************/
>>>>>> int drvAsynKeithley648x(const char *type, const char *myport,
>>>>>>                       const char *ioport, int ioaddr)
>>>>>> {
>>>>>> int status = asynSuccess;
>>>>>> Port* pport;
>>>>>> //  int i;
>>>>>> asynStandardInterfaces *pInterfaces;
>>>>>> 
>>>>>> char inpBuf[BUFFER_SIZE];
>>>>>> int eomReason;
>>>>>> 
>>>>>> pport = (Port*)callocMustSucceed(1,sizeof(Port),"drvAsynKeithley6485");
>>>>>> 
>>>>>> ...
>>>>>> 
>>>>>> /****************************************************************************
>>>>>> * Register public methods
>>>>>> ****************************************************************************/
>>>>>> 
>>>>>> /* Initialization method definitions */
>>>>>> static const iocshArg arg0 = {"type",iocshArgString};
>>>>>> static const iocshArg arg1 = {"myport",iocshArgString};
>>>>>> static const iocshArg arg2 = {"ioport",iocshArgString};
>>>>>> static const iocshArg arg3 = {"ioaddr",iocshArgInt};
>>>>>> static const iocshArg* args[]= {&arg0,&arg1,&arg2,&arg3};
>>>>>> static const iocshFuncDef drvAsynKeithley648xFuncDef =
>>>>>> {"drvAsynKeithley648x",4,args};
>>>>>> static void drvAsynKeithley648xCallFunc(const iocshArgBuf* args)
>>>>>> {
>>>>>> drvAsynKeithley648x(args[0].sval,args[1].sval,args[2].sval,args[3].ival);
>>>>>> }
>>>>>> 
>>>>>> /* Registration method */
>>>>>> static void drvAsynKeithley648xRegister(void)
>>>>>> {
>>>>>> static int firstTime = 1;
>>>>>> 
>>>>>> if( firstTime )
>>>>>>   {
>>>>>>     firstTime = 0;
>>>>>>     iocshRegister( &drvAsynKeithley648xFuncDef,drvAsynKeithley648xCallFunc );
>>>>>>   }
>>>>>> }
>>>>>> epicsExportRegistrar( drvAsynKeithley648xRegister );
>>>>>> 
>>>>>> 
>>>>>> That is why I have given four arguments in the st.cmd.
>>>>>> 
>>>>>> Danke,
>>>>>> Heinz
>>>>>> 
>>>>>> 
>>>>>> 
>>>>>> 
>>>>>>> On 6. Mar 2019, at 13:51, Mark Rivers <[email protected]>
>>>>>>>  wrote:
>>>>>>> 
>>>>>>> My comments are:
>>>>>>> Your original message says that drvAsynKeithley6845 take 3 arguments.  Your actual commands call drvAsynKeithey648x with 4 arguments.  Why the difference?  Does 648x take an initial argument with the exact model number, or is that the name of the new port?
>>>>>>> 
>>>>>>> I don't see the need for the asynOctetConnect line.
>>>>>>> 
>>>>>>> Maybe this will work:
>>>>>>> 
>>>>>>> drvAsynIPPortConfigure("MOXA_4", "172.24.192.29:4004", 0, 0, 0)
>>>>>>> drvAsynKeithley648x("6485", "MOXA_4",0)
>>>>>>> asynSetTraceIOMask("MOXA_4", 0, 0x2)
>>>>>>> asynSetTraceMask("MOXA_4", 0, 0x9)
>>>>>>> dbLoadRecords("db/Keithley6485.db", "P=trARPES:, CA=Sample:, "6845")
>>>>>>> 
>>>>>>> I deleted the asynOctetConnect, deleted the 3 argument to drvKeithley648x, and changed the port passed in dbLoadRecords.
>>>>>>> 
>>>>>>> Is this driver code on Github or somewhere else we can look at it?
>>>>>>> 
>>>>>>> Mark
>>>>>>> 
> 

Experimental Physics and Industrial Control System

Experimental Physics and
Industrial Control System