Hello Flynn,
On Saturday, 10. July 2010 17:06:35 Flynn Marquardt wrote:
> I tried to read the chipid in python:
>
> import ftdi
> ftdic = ftdi.ftdi_context()
> ret = ftdi.ftdi_usb_open(ftdic, 0x0403, 0x6001)
> chipid = 0
> ftdi.ftdi_read_chipid(ftdic, chipid)
>
> results in a TypeError:
>
> TypeError: in method 'ftdi_read_chipid', argument 2 of type 'unsigned
> int *'
>
> Without help from Swig it is not possible to create the correct object.
>
> Inserting in bindings/ftdi.i the line
>
> %pointer_functions(unsigned int, uintp);
>
> after %include "cpointer.i" helps (pointer_class could also be used).
>
> With a little modification in python:
>
> import ftdi
> ftdic = ftdi.ftdi_context()
> ret = ftdi.ftdi_usb_open(ftdic, 0x0403, 0x6001)
> chipid = ftdi.new_uintp()
> ftdi.ftdi_read_chipid(ftdic, chipid)
> hex(ftdi.uintp_value(chipid))
>
> the correct chipid is printed.
>
> It seems (I'm not an expert in swig), that the *OUTPUT directives are
> not correct for
> ftdi_read_chipid, otherwise this patch woud not be needed.
Thanks for the info. Care to send a proper patch
as I'm not too familiar with swig?
Cheers,
Thomas
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