How are you reading the data, i.e. are you calling the drvAsynIPPort driver from your driver?
If so, how have you called drvAsynIPPortConfigure? What value are you specifying for the timeout?
Is this 1 Gbit Ethernet?
What is the time between when you start the transfer and it breaks after 17640000 bytes?
Mark
-----Original Message-----
From: [email protected] [mailto:[email protected]] On Behalf Of Iain Marcuson
Sent: Thursday, April 20, 2017 2:28 PM
To: [email protected] >> EPICS Tech Talk
Subject: Bandwidth limits in asyn
I've been writing an asyn driver to receive data from a camera, but I seem to be hitting some sort of limit. The total size to transmit is 35280000 bytes, but the connection breaks at around 17640000 bytes. In a mockup test, I was able to transfer all the data by sending 16k with a pause of 0.5 seconds between each packet. The receiving routine just buffers all the incoming data until it reads the predetermined amount. Is there something else I need to be doing to get all the data?
Thank you,
Iain.
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