Functions
def	dump_cmd
Variables
tuple	dev = c.comedi_open('/dev/comedi0')
tuple	fd = c.comedi_fileno(dev)
int	BUFSZ = 10000
int	freq = 1000
int	subdevice = 0
int	nscans = 8000
list	chans = [0,1,2,3]
list	gains = [0,0,0,0]
list	aref = [c.AREF_GROUND, c.AREF_GROUND, c.AREF_GROUND, c.AREF_GROUND]
list	cmdtest_messages
tuple	nchans = len(chans)
tuple	mylist = c.chanlist(nchans)
tuple	cmd = c.comedi_cmd_struct()
	ret = c.comedi_get_buffer_size(dev, subdevice) if ret==-1: raise "Error fetching comedi buffer size" else: print "buffer size = ", ret ret = c.comedi_get_max_buffer_size(dev, subdevice) if ret==-1: raise "Error fetching comedi max buff size" else: print "max buff size = ", ret construct a comedi command
tuple	ret = c.comedi_get_cmd_generic_timed(dev,subdevice,cmd,1.0e9/freq)
tuple	datastr = ()
	ret = c.comedi_command(dev,cmd) if ret !=0: raise "comedi_command failed..."
tuple	t0 = time.time()
tuple	data = os.read(fd,BUFSZ)
tuple	n = len(data)
string	format = 'H'
tuple	t1 = time.time()
int	count = 0

Function Documentation

def cmd::dump_cmd ( cmd )

Definition at line 60 of file cmd.py.

Variable Documentation

list cmd::aref = [c.AREF_GROUND, c.AREF_GROUND, c.AREF_GROUND, c.AREF_GROUND]

Definition at line 40 of file cmd.py.

int cmd::BUFSZ = 10000

Definition at line 31 of file cmd.py.

list cmd::chans = [0,1,2,3]

Definition at line 38 of file cmd.py.

tuple cmd::cmd = c.comedi_cmd_struct()

ret = c.comedi_get_buffer_size(dev, subdevice) if ret==-1: raise "Error fetching comedi buffer size" else: print "buffer size = ", ret ret = c.comedi_get_max_buffer_size(dev, subdevice) if ret==-1: raise "Error fetching comedi max buff size" else: print "max buff size = ", ret construct a comedi command

Definition at line 87 of file cmd.py.

list cmd::cmdtest_messages

Initial value:

00001 [
00002         "success",
00003         "invalid source",
00004         "source conflict",
00005         "invalid argument",
00006         "argument conflict",
00007         "invalid chanlist"]