I'm using Asyn 4-21 and StreamDevice 2-6, working with a device that uses
serial I/O to send a periodic, unsolicited string which does not have a
terminating character.
The string contains 3 data fields, so I have 3 records using the same INP,
all set to I/O Event scanning.
It works for a few minutes after starting the IOC, but eventually it gets
stuck. The records stop updating and "Characters read" from asynReport
stops increasing. Packet inspection with Wireshark shows that the device
is still sending data.
After this happens, the "synchronousLock" field in asynReport is always
"Yes".
istCooling> asynReport 2 HX86PA
HX86PA multiDevice:No canBlock:Yes autoConnect:Yes
enabled:Yes connected:Yes numberConnects 1
nDevices 0 nQueued 0 blocked:No
asynManagerLock:No synchronousLock:Yes
exceptionActive:No exceptionUsers 0 exceptionNotifys 0
interposeInterfaceList
asynOctet pinterface 0x8198120 drvPvt 0x82d2608
interfaceList
asynCommon pinterface 0x8192e10 drvPvt 0x82d3ad0
asynOctet pinterface 0x82d3b20 drvPvt 0x82d3ad0
Port 172.18.0.13:2000 TCP: Connected
fd: 8
Characters written: 0
Characters read: 3366
Is there a document that shows how to use asynTrace effectively ? The
asynDriver and asynRecord docs don't explain very much about it.
----
Brian McAllister Senior Software Engineer
[email protected] Bates Lab
(617) 253-9537 Middleton, MA
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