static int dio200_subdev_intr_cmdtest(struct comedi_device *dev,
struct comedi_subdevice *s,
struct comedi_cmd *cmd)
{
int err = 0;
/* Step 1 : check if triggers are trivially valid */
err |= cfc_check_trigger_src(&cmd->start_src, TRIG_NOW | TRIG_INT);
err |= cfc_check_trigger_src(&cmd->scan_begin_src, TRIG_EXT);
err |= cfc_check_trigger_src(&cmd->convert_src, TRIG_NOW);
err |= cfc_check_trigger_src(&cmd->scan_end_src, TRIG_COUNT);
err |= cfc_check_trigger_src(&cmd->stop_src, TRIG_COUNT | TRIG_NONE);
if (err)
return 1;
/* Step 2a : make sure trigger sources are unique */
err |= cfc_check_trigger_is_unique(cmd->start_src);
err |= cfc_check_trigger_is_unique(cmd->stop_src);
/* Step 2b : and mutually compatible */
if (err)
return 2;
/* Step 3: check if arguments are trivially valid */
err |= cfc_check_trigger_arg_is(&cmd->start_arg, 0);
err |= cfc_check_trigger_arg_is(&cmd->scan_begin_arg, 0);
err |= cfc_check_trigger_arg_is(&cmd->convert_arg, 0);
err |= cfc_check_trigger_arg_is(&cmd->scan_end_arg, cmd->chanlist_len);
if (cmd->stop_src == TRIG_COUNT)
err |= cfc_check_trigger_arg_min(&cmd->stop_arg, 1);
else /* TRIG_NONE */
err |= cfc_check_trigger_arg_is(&cmd->stop_arg, 0);
if (err)
return 3;
/* step 4: fix up any arguments */
/* if (err) return 4; */
return 0;
}
static int usbduxsigma_ai_cmdtest(struct comedi_device *dev,
struct comedi_subdevice *s,
struct comedi_cmd *cmd)
{
struct usbduxsigma_private *devpriv = dev->private;
int high_speed = devpriv->high_speed;
int interval = usbduxsigma_chans_to_interval(cmd->chanlist_len);
int err = 0;
/* Step 1 : check if triggers are trivially valid */
err |= cfc_check_trigger_src(&cmd->start_src, TRIG_NOW | TRIG_INT);
err |= cfc_check_trigger_src(&cmd->scan_begin_src, TRIG_TIMER);
err |= cfc_check_trigger_src(&cmd->convert_src, TRIG_NOW);
err |= cfc_check_trigger_src(&cmd->scan_end_src, TRIG_COUNT);
err |= cfc_check_trigger_src(&cmd->stop_src, TRIG_COUNT | TRIG_NONE);
if (err)
return 1;
/* Step 2a : make sure trigger sources are unique */
err |= cfc_check_trigger_is_unique(cmd->start_src);
err |= cfc_check_trigger_is_unique(cmd->stop_src);
/* Step 2b : and mutually compatible */
if (err)
return 2;
/* Step 3: check if arguments are trivially valid */
err |= cfc_check_trigger_arg_is(&cmd->start_arg, 0);
if (cmd->scan_begin_src == TRIG_FOLLOW) /* internal trigger */
err |= cfc_check_trigger_arg_is(&cmd->scan_begin_arg, 0);
if (cmd->scan_begin_src == TRIG_TIMER) {
unsigned int tmp;
if (high_speed) {
/*
* In high speed mode microframes are possible.
* However, during one microframe we can roughly
* sample two channels. Thus, the more channels
* are in the channel list the more time we need.
*/
err |= cfc_check_trigger_arg_min(&cmd->scan_begin_arg,
(1000000 / 8 * interval));
tmp = (cmd->scan_begin_arg / 125000) * 125000;
} else {
/* full speed */
/* 1kHz scans every USB frame */
err |= cfc_check_trigger_arg_min(&cmd->scan_begin_arg,
1000000);
tmp = (cmd->scan_begin_arg / 1000000) * 1000000;
}
err |= cfc_check_trigger_arg_is(&cmd->scan_begin_arg, tmp);
}
err |= cfc_check_trigger_arg_is(&cmd->scan_end_arg, cmd->chanlist_len);
if (cmd->stop_src == TRIG_COUNT)
err |= cfc_check_trigger_arg_min(&cmd->stop_arg, 1);
else /* TRIG_NONE */
err |= cfc_check_trigger_arg_is(&cmd->stop_arg, 0);
if (err)
return 3;
/* Step 4: fix up any arguments */
if (high_speed) {
/*
* every 2 channels get a time window of 125us. Thus, if we
* sample all 16 channels we need 1ms. If we sample only one
* channel we need only 125us
*/
devpriv->ai_interval = interval;
devpriv->ai_timer = cmd->scan_begin_arg / (125000 * interval);
} else {
/* interval always 1ms */
devpriv->ai_interval = 1;
devpriv->ai_timer = cmd->scan_begin_arg / 1000000;
}
if (devpriv->ai_timer < 1)
err |= -EINVAL;
if (cmd->stop_src == TRIG_COUNT) {
/* data arrives as one packet */
devpriv->ai_sample_count = cmd->stop_arg;
} else {
/* continuous acquisition */
devpriv->ai_sample_count = 0;
}
if (err)
return 4;
return 0;
}
static int usbduxsigma_ao_cmdtest(struct comedi_device *dev,
struct comedi_subdevice *s,
struct comedi_cmd *cmd)
{
struct usbduxsigma_private *devpriv = dev->private;
int err = 0;
int high_speed;
unsigned int flags;
/* high speed conversions are not used yet */
high_speed = 0; /* (devpriv->high_speed) */
/* Step 1 : check if triggers are trivially valid */
err |= cfc_check_trigger_src(&cmd->start_src, TRIG_NOW | TRIG_INT);
if (high_speed) {
/*
* start immediately a new scan
* the sampling rate is set by the coversion rate
*/
flags = TRIG_FOLLOW;
} else {
/* start a new scan (output at once) with a timer */
flags = TRIG_TIMER;
}
err |= cfc_check_trigger_src(&cmd->scan_begin_src, flags);
err |= cfc_check_trigger_src(&cmd->convert_src, TRIG_NOW);
err |= cfc_check_trigger_src(&cmd->scan_end_src, TRIG_COUNT);
err |= cfc_check_trigger_src(&cmd->stop_src, TRIG_COUNT | TRIG_NONE);
if (err) {
up(&devpriv->sem);
return 1;
}
/* Step 2a : make sure trigger sources are unique */
err |= cfc_check_trigger_is_unique(cmd->start_src);
err |= cfc_check_trigger_is_unique(cmd->stop_src);
/* Step 2b : and mutually compatible */
if (err)
return 2;
/* Step 3: check if arguments are trivially valid */
err |= cfc_check_trigger_arg_is(&cmd->start_arg, 0);
if (cmd->scan_begin_src == TRIG_FOLLOW) /* internal trigger */
err |= cfc_check_trigger_arg_is(&cmd->scan_begin_arg, 0);
if (cmd->scan_begin_src == TRIG_TIMER)
err |= cfc_check_trigger_arg_min(&cmd->scan_begin_arg,
1000000);
/* not used now, is for later use */
if (cmd->convert_src == TRIG_TIMER)
err |= cfc_check_trigger_arg_min(&cmd->convert_arg, 125000);
err |= cfc_check_trigger_arg_is(&cmd->scan_end_arg, cmd->chanlist_len);
if (cmd->stop_src == TRIG_COUNT)
err |= cfc_check_trigger_arg_min(&cmd->stop_arg, 1);
else /* TRIG_NONE */
err |= cfc_check_trigger_arg_is(&cmd->stop_arg, 0);
if (err)
return 3;
/* Step 4: fix up any arguments */
/* we count in timer steps */
if (high_speed) {
/* timing of the conversion itself: every 125 us */
devpriv->ao_timer = cmd->convert_arg / 125000;
} else {
/*
* timing of the scan: every 1ms
* we get all channels at once
*/
devpriv->ao_timer = cmd->scan_begin_arg / 1000000;
}
if (devpriv->ao_timer < 1)
err |= -EINVAL;
if (cmd->stop_src == TRIG_COUNT) {
/* not continuous, use counter */
if (high_speed) {
/* high speed also scans everything at once */
devpriv->ao_sample_count = cmd->stop_arg *
cmd->scan_end_arg;
} else {
/*
* There's no scan as the scan has been
* handled inside the FX2. Data arrives as
* one packet.
*/
devpriv->ao_sample_count = cmd->stop_arg;
}
} else {
/* continuous acquisition */
devpriv->ao_sample_count = 0;
}
if (err)
return 4;
return 0;
}
static int atmio16d_ai_cmdtest(struct comedi_device *dev,
struct comedi_subdevice *s,
struct comedi_cmd *cmd)
{
int err = 0;
/* Step 1 : check if triggers are trivially valid */
err |= cfc_check_trigger_src(&cmd->start_src, TRIG_NOW);
err |= cfc_check_trigger_src(&cmd->scan_begin_src,
TRIG_FOLLOW | TRIG_TIMER);
err |= cfc_check_trigger_src(&cmd->convert_src, TRIG_TIMER);
err |= cfc_check_trigger_src(&cmd->scan_end_src, TRIG_COUNT);
err |= cfc_check_trigger_src(&cmd->stop_src, TRIG_COUNT | TRIG_NONE);
if (err)
return 1;
/* Step 2a : make sure trigger sources are unique */
err |= cfc_check_trigger_is_unique(cmd->scan_begin_src);
err |= cfc_check_trigger_is_unique(cmd->stop_src);
/* Step 2b : and mutually compatible */
if (err)
return 2;
/* Step 3: check if arguments are trivially valid */
err |= cfc_check_trigger_arg_is(&cmd->start_arg, 0);
if (cmd->scan_begin_src == TRIG_FOLLOW) {
/* internal trigger */
err |= cfc_check_trigger_arg_is(&cmd->scan_begin_arg, 0);
} else {
#if 0
/* external trigger */
/* should be level/edge, hi/lo specification here */
err |= cfc_check_trigger_arg_is(&cmd->scan_begin_arg, 0);
#endif
}
err |= cfc_check_trigger_arg_min(&cmd->convert_arg, 10000);
#if 0
err |= cfc_check_trigger_arg_max(&cmd->convert_arg, SLOWEST_TIMER);
#endif
err |= cfc_check_trigger_arg_is(&cmd->scan_end_arg, cmd->chanlist_len);
if (cmd->stop_src == TRIG_COUNT) {
/* any count is allowed */
} else { /* TRIG_NONE */
err |= cfc_check_trigger_arg_is(&cmd->stop_arg, 0);
}
if (err)
return 3;
return 0;
}