Hi,
Maybee I call the function wrong.
Anyone with an example - the python examples do not include a read...
If I do:
new_data =3D ftdi.read_data(ftdic, wrote)
I get a seg fault....
best regards,
Lazarus
-------- Original-Nachricht --------
> Datum: Wed, 18 Jan 2012 14:05:36 +0100
> Von: "Lazarus Longitudis" <Lazarus-Long@xxxxxx>
> An: libftdi@xxxxxxxxxxxxxxxxxxxxxxx
> Betreff: python ftdi.read_data
>
> Hi,
>
> I am working with the current git code.
> Was trying to use the python wrapper, it works mostly but the
> ftdi.read_data call seems to be messed up.
>
> Python says the function requires only two arguments, the context and an
> integer, obviously the target buffer pointer is missing.
>
> I have compared the swig generated ftdi_wrap.c against 0.19 and it is
> clear to see that the parameter parsing is broken here.
>
> any ideas?
>
> 0.19:
> if (!PyArg_ParseTuple(args,(char
> *)"OOO:ftdi_read_data",&obj0,&obj1,&obj2)) SWIG_fail;
> res1 = SWIG_ConvertPtr(obj0, &argp1,SWIGTYPE_p_ftdi_context, 0 | 0 );
> if (!SWIG_IsOK(res1)) {
> SWIG_exception_fail(SWIG_ArgError(res1), "in method '"
> "ftdi_read_data" "', argument " "1"" of type '" "struct ftdi_context *""'");
> }
> arg1 = (struct ftdi_context *)(argp1);
> res2 = SWIG_AsCharPtrAndSize(obj1, &buf2, NULL, &alloc2);
> if (!SWIG_IsOK(res2)) {
> SWIG_exception_fail(SWIG_ArgError(res2), "in method '"
> "ftdi_read_data" "', argument " "2"" of type '" "unsigned char *""'");
> }
> arg2 = (unsigned char *)(buf2);
> ecode3 = SWIG_AsVal_int(obj2, &val3);
> if (!SWIG_IsOK(ecode3)) {
> SWIG_exception_fail(SWIG_ArgError(ecode3), "in method '"
> "ftdi_read_data" "', argument " "3"" of type '" "int""'");
> }
> arg3 = (int)(val3);
> result = (int)ftdi_read_data(arg1,arg2,arg3);
> resultobj = SWIG_From_int((int)(result));
> return resultobj;
>
> git:
> arg2 = &temp2;
> if (!PyArg_ParseTuple(args,(char *)"OO:read_data",&obj0,&obj1))
> SWIG_fail;
> res1 = SWIG_ConvertPtr(obj0, &argp1,SWIGTYPE_p_ftdi_context, 0 | 0 );
> if (!SWIG_IsOK(res1)) {
> SWIG_exception_fail(SWIG_ArgError(res1), "in method '" "read_data"
> "', argument " "1"" of type '" "struct ftdi_context *""'");
> }
> arg1 = (struct ftdi_context *)(argp1);
> ecode3 = SWIG_AsVal_int(obj1, &val3);
> if (!SWIG_IsOK(ecode3)) {
> SWIG_exception_fail(SWIG_ArgError(ecode3), "in method '" "read_data"
> "', argument " "3"" of type '" "int""'");
> }
> arg3 = (int)(val3);
> result = (int)ftdi_read_data(arg1,arg2,arg3);
> resultobj = SWIG_From_int((int)(result));
> if (SWIG_IsTmpObj(res2)) {
> resultobj = SWIG_Python_AppendOutput(resultobj,
> SWIG_From_char((*arg2)));
> } else {
> int new_flags = SWIG_IsNewObj(res2) ? (SWIG_POINTER_OWN | 0 ) : 0 ;
> resultobj = SWIG_Python_AppendOutput(resultobj,
> SWIG_NewPointerObj((void*)(arg2), SWIGTYPE_p_unsigned_char, new_flags));
> }
> return resultobj;
> fail:
>
> --
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>
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