I am writing a soft ioc for a gpib device using streamdevice with asyn. The device in question can send an unsolicited text message, which I do not know how to handle. I tried defining a record with SCAN "I/O Intr" but cannot make it work, mainly I think, because there are a number of such messages possible and they are all different. Basically, I want to capture the message in a record and display it on an edm screen.
The streamdevice manual hints that a record with SCAN "I/O Intr" approach might work. In the manual there is also a mention of mismatch exception handler. There aren't enough details for me to know how to implement something that works.
Thanks in advance,
Zen
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