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MMALPortParams.__setitem__() do conversions to int#549

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samtygier:mmal_int
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MMALPortParams.__setitem__() do conversions to int#549
samtygier wants to merge 1 commit intowaveform80:masterfrom
samtygier:mmal_int

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If the datatype is MMAL_PARAMETER_UINT32_T, do a conversion to int. This prevents a ctypes.ArgumentError if for example a float is passed in, e.g.

camera.shutter_speed = 200 * 1e3 # 200 ms

Fixes #548

If the datatype is MMAL_PARAMETER_UINT32_T, do a conversion to int. This prevents a ctypes.ArgumentError if for example a float is passed in, e.g.

  camera.shutter_speed = 200 * 1e3 # 200 ms
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