ó m:£Pc@südZddlZddlZeZiZd„ZidGd6dHd6dId 6dJd 6dKd6dLd6Zdddddddddddddddd d!d"d#gZidd$6d d%6d!d&6d"d'6d#d(6Z id)d6d*d6d+d6d,d6d-d6d.d6d/d6d0d6d1d6d2d6d3d6d4d6d4d6d4d6d4d6d4d 6d*d!6d4d"6d4d#6Z d5„Z d6„Z d7„Z d8„Zd9„Zd:„Zd;„Zd<„Zd=„Zd>„Zd?„Zd@„ZdA„ZdB„ZdC„ZdD„ZdE„ZdF„ZdS(Msó ================================================================ Standalone Python TDMS reader, (not using the NI libraries for they were Windows-specific) ================================================================ based on the format description on http://zone.ni.com/devzone/cda/tut/p/id/5696 Floris van Vugt IMMM Hannover http://florisvanvugt.free.fr/ I am greatly indebted for insightful bug-corrections by: ADAM REEVE JUERGEN NEUBAUER, PH.D. Thanks guys! iÿÿÿÿNcCs0djg|D]}dt|ƒ^q ƒjƒS(sR Convert a byte string to it's hex string representation e.g. for output. ts%02X (tjointordtstrip(tbyteStrtx((s,../includes/DAS/0512NIstandard.ONN/pyTDMS.pyt byteToHex1slit kTocMetaDatait kTocRawDataitkTocDAQmxRawDataitkTocInterleavedDatait kTocBigEndianitkTocNewObjListt tdsTypeVoidt tdsTypeI8t tdsTypeI16t tdsTypeI32t tdsTypeI64t tdsTypeU8t tdsTypeU16t tdsTypeU32t tdsTypeU64ttdsTypeSingleFloatttdsTypeDoubleFloatttdsTypeExtendedFloatttdsTypeSingleFloatWithUnitttdsTypeDoubleFloatWithUnitttdsTypeExtendedFloatWithUnitt tdsTypeStringttdsTypeBooleanttdsTypeTimeStampttdsTypeDAQmxRawDataii i!iDIÿÿÿÿRtbthtltqtBtHtLtQtftdt cCs<tjd|ƒd}|tjƒkr0t|St|SdS(s: Find back the data type from raw input data. sR+R,tobject_rawdataR2trangeR5R<(R(R0tlntht objectpatht rawdataindextrawdatat inf_lengthtrawdata_datatypet rawdata_dimtrawdata_valuestnPropt propertiestjtnumbtnameR4tvaluetlengtetnm((s,../includes/DAS/0512NIstandard.ONN/pyTDMS.pyt readObjectsT          cCs/|}x"|jƒD]}||||R+R,RJR[tverboseR.Rltappend( R(R0tnObjectsRit objectordertiR`RLRMRNRT((s,../includes/DAS/0512NIstandard.ONN/pyTDMS.pyt readMetaDataås    cCs|\}}}}|dkS(s” Tell us whether the given object is a channel (in the current segment) and if so, returns the meta information about the raw data. Iÿÿÿÿ((R`t_RM((s,../includes/DAS/0512NIstandard.ONN/pyTDMS.pyt isChannelsc#Cs|\}}}}|d} d} |dr5d} ni} g|D]} t|| ƒrB| ^qB} x€| D]x}||}|\}}}}|\}}}|dkr¿dG|GdGHtƒnt|ƒ}|||}|| |isError! Raw data dimension is s and should have been 1.iÿÿÿÿis-Data size is not a multiple of the chunk sizesReady for readingsbytes (s) intchunkss ==> Interleaveds ==> Not Interleaved( RtR?R5tsumt ValueErrorRmR>R<RnRJ(#R(tleadintsegmentobjectsRptfilesizeRBRDRERFt interleavedR9t channel_sizesR`tchannelstctchannelRWRMRNtvaluesRPRQRRt datapointsizet channel_sizet chunk_sizet total_chunkstn_chunkstdataRUR4R0RXtchunktsize((s,../includes/DAS/0512NIstandard.ONN/pyTDMS.pyt readRawData(sp   )      #             cCsSxL|jƒD]>}||jƒkr=||j||ƒq ||||as  lll€l l@l(t__doc__R+R¥R3RmRIRR@R/R-R6R2R5R7R<RGR[R_RhRlRrRtRŠRŒRR—RœR¢R>(((s,../includes/DAS/0512NIstandard.ONN/pyTDMS.pyts–        &   , p  +  2  •  , / (