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This commit is contained in:
David Schleef 2000-09-05 18:47:18 +00:00
parent 68a2f02a79
commit 31a3da0f21
1 changed files with 8 additions and 2 deletions
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10
demo/cmd.c
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@ -118,6 +118,12 @@ static void do_cmd(comedi_t *dev,comedi_cmd *cmd)
}
}
/*
* This part of the demo measures channels 1, 2, 3, 4 at a rate of
* 10 khz, with the inter-sample time at 10 us (100 khz). The number
* of scans measured is 10. This is analogous to the old mode2
* acquisition.
*/
static void do_cmd_1(comedi_t *dev)
{
comedi_cmd cmd;
@ -153,14 +159,14 @@ static void do_cmd_1(comedi_t *dev)
* events occur periodically at a rate of scan_begin_arg
* nanoseconds between scans. */
cmd.scan_begin_src = TRIG_TIMER;
cmd.scan_begin_arg = 1000000; /* in ns */
cmd.scan_begin_arg = 100000; /* in ns */
/* The timing between each sample in a scan is controlled
* by convert. Like above, TRIG_TIMER specifies that
* convert events occur periodically at a rate of convert_arg
* nanoseconds between scans. */
cmd.convert_src = TRIG_TIMER;
cmd.convert_arg = 100000; /* in ns */
cmd.convert_arg = 10000; /* in ns */
/* The end of each scan is almost always specified using
* TRIG_COUNT, with the argument being the same as the