Issue 46 in pylibnidaqmx: Problem with DigitalOutputTask.write() when `grouping=for_all_lines`

[pylibn...@googlecode.com]

Status: New
Owner: ----
Labels: Type-Defect Priority-Medium

New issue 46 by richard.hoechenberger: Problem with
DigitalOutputTask.write() when `grouping=for_all_lines`
https://code.google.com/p/pylibnidaqmx/issues/detail?id=46

What steps will reproduce the problem?

>>> from nidaqmx import DigitalOutputTask
>>> do = DigitalOutputTask()
>>> do.create_channel('Dev1/port0/line0:7', grouping='for_all_lines')
CreateDOChan argument is unicode
True
>>> do.write(1)

What is the expected output? What do you see instead?

The sample(s) should be written and a positive integer returned. Instead, I
get:
Traceback (most recent call last):
File "<ipython-input-5-e7e16794d5a3>", line 1, in <module>
do.write(1)
File "d:\development\pylibnidaqmx\nidaqmx\libnidaqmx.py", line 3645, in
write
data.ctypes.data, ctypes.byref(samples_written), None)
File "d:\development\pylibnidaqmx\nidaqmx\libnidaqmx.py", line 268, in
CALL
r = CHK(r, funcname, *new_args)
File "d:\development\pylibnidaqmx\nidaqmx\libnidaqmx.py", line 246, in CHK
raise NIDAQmxRuntimeError('%s%s:%s' % (funcname,args, text))
NIDAQmxRuntimeError:
DAQmxWriteDigitalLines(DigitalOutputTask('_unnamedTask<0>')
, 1, c_ulong(1L), c_double(10.0), 0, 116675480, <cparam 'P' (06DD4F08)>,
None):
Attempted writing digital data that is not supported. Data: 250 Supported
Values: 0, 1 Task Name: _unnamedTask<0> Status Code: -200562
----------

What version of the product are you using? On what operating system?

Latest trunk.

I don't know if I'm doing something wrong or have found a bug. Any help
would be greatly appreciated.

Richard

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