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| <== Date ==> | <== Thread ==> |
|---|
| Subject: | Purpose of the asynDrvUserMask interface |
| From: | Abdalla Ahmad via Tech-talk <tech-talk at aps.anl.gov> |
| To: | "tech-talk at aps.anl.gov" <tech-talk at aps.anl.gov> |
| Date: | Sun, 25 Apr 2021 08:42:08 +0000 |
|
Hi I am working on a driver based on asynPortDriver interface, the problem is that this statement int function = pasynUser->reason; Will always return 0 no matter which parameter string I pass in the INP field. The solution was to include “asynDrvUserMask” as part of the interface mask in the base class constructor even though I am not using drvUserCreate method (But
I am using pasynOctetSyncIO). This was the call to the base class constructor: asynPortDriver(port_name, 255, asynInt32Mask | asynFloat64Mask | asynDrvUserMask, 0, ASYN_CANBLOCK | ASYN_MULTIDEVICE, 1, 0, 0) So what is the purpose of this interface? Best Regards, Abdalla |