Re: Software triggering a PCDig

[Will Lockhart <will@mvhi.com>]

M.Stein writes:
 > Will, I have misunderstood you! The external trigger acquistion of the
 > board is a completely different thing to what we do. We trigger the
 > EXSYNC subsystem of the board.
 > You want to let the camera run free and want to take one of these images
 > to a defined point of time (per software trigger or hardware trigger).
 > 
 > So set the EXSYNC_MODE to free run and the camera makes it's images
 > continuous. Then start the test_itifg WITH the -t option and start
 > swtrig_itifg -k (the swtrig_itifg program does both - it can trigger
 > the board and the exsync subsystem).
 > 
 > Unfortunately there is no config file option or ioctl to change the
 > trigger source yet, so you have to edit itifgIoctl.c line 1101:
 > 
 > hardware: (pcd_set_stmode, PCD_TMODE_HWT0_SET) (default)
 > software: (pcd_set_stmode, PCD_TMODE_SWT0)

OK, I tried this. When I run swtrig_itifg I get the following error:
GIOC_CR_SET_SOFTTRIG: Invalid argument

 > Please remark - The board trigger mode is NOT supported in 0.7.0!

Why not? Presumably one can do everything that the board trigger mode
can using the EXSYNC stuff?

 > 						matthias

Will