def __call__(self, device, insn):
insn.insn = _comedi.INSN_READ
insn.n = self.n_scan
data = _comedi.lsampl_array(self.n_scan)
data.thisown = False
insn.data = data.cast()
insn.subdev = self._get_subdevice(device)
insn.chanspec = _comedi.cr_pack(self.channel, self.range, self.aref)
return insn
def setup_gtod_insn(device, insn):
insn.insn = _comedi.INSN_GTOD
insn.subdev = 0
insn.n = 2
data = _comedi.lsampl_array(2)
data[0] = 0
data[1] = 0
data.thisown = False
insn.data = data.cast()
insn.chanspec = 0
return insn
def intn_trig(aochAO):
'''
Sets the internal trigger on the NI/comedi device.
Keyword arguments:
subd -- the integer subdevice number
Supplies an internal trigger to the subdevice number
given by the function argument. Returns a 1 if successful
and a -1 if it fails.
'''
insn = c.comedi_insn_struct()
insn.insn = c.INSN_INTTRIG
insn.subdev = aochAO.subdev
insn.n = 1
data = c.lsampl_array(insn.n)
data[0] = 0
insn.data = data.cast()
return c.comedi_do_insn(aochAO.dev, insn)
def intn_trig(aochAO):
'''
Sets the internal trigger on the NI/comedi device.
Keyword arguments:
subd -- the integer subdevice number
Supplies an internal trigger to the subdevice number
given by the function argument. Returns a 1 if successful
and a -1 if it fails.
'''
insn = c.comedi_insn_struct()
insn.insn = c.INSN_INTTRIG
insn.subdev = aochAO.subdev
insn.n = 1
data = c.lsampl_array(insn.n)
data[0] = 0
insn.data = data.cast()
return c.comedi_do_insn(aochAO.dev, insn)