Page 1 of 1
regarding act_screen.vi
Posted: Thu May 28, 2009 7:24 am
by srikrishna
Hi all,
Can any body tell me whats the act_screen.vi will do? and please explain it implementation?
Posted: Fri May 29, 2009 5:54 pm
by Coen
Act_Screen.vi calculates the amount of data ("Display Blocksize") to be read from the ringbuffer for the next iteration of the program.
Best regards, Coen (BioSemi)
Regarding ACT_Screen.vi
Posted: Fri Jun 12, 2009 9:35 am
by srikrishna
1)In the actiview program,what is the necessity to use a ring buffer?we had queue vis already,why it is not used in the program?
Posted: Fri Jun 12, 2009 12:27 pm
by Coen
The ringbuffer allows direct memory access (DMA), please share your "queue vi" that achieves the same functionality with us.
Best regards, Coen (BioSemi)
Regarding Ring buffer...
Posted: Fri Jun 12, 2009 12:36 pm
by srikrishna
Hello coen,
How you are achieving DMA programmatically in this ring buffer?
Posted: Fri Jun 12, 2009 12:48 pm
by Coen
Writing data from the ActiveTwo system into the ringbuffer is handled by the USB driver (also see
viewtopic.php?t=76), ActiView just reads the data from the ringbuffer.
Best regards, Coen (BioSemi)