LVIFA_Base ... errori durante la compilazione

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premetto che ho molta esperienza con labview ma non ho alcuna esperienza con l' ide di arduino.
ho installato tramite il vi package manager la libreria labview interface arduino senza incontrare errori.

sto ora  tentando di interfacciare il labview con arduino uno r3 ma durante la compilazione dello sketch lvifa_base ottengo una serie di errori di compilazione e non ne vengo fuori.
non capisco dove sbaglio.
questi sono gli errori che appaiono:

in file included lvifa_base.cpp:133:
labviewinterface.h:34: error: redefinition of 'unsigned char currentcommand [15]'
labviewinterface.h:34: error: 'unsigned char currentcommand [15]' declared here
labviewinterface.h:36: error: redefinition of 'unsigned char acqmode'
labviewinterface.h:36: error: 'unsigned char acqmode' declared here
labviewinterface.h:37: error: redefinition of 'unsigned char contacqpin'
labviewinterface.h:37: error: 'unsigned char contacqpin' declared here
labviewinterface.h:38: error: redefinition of 'float contacqspeed'
labviewinterface.h:38: error: 'float contacqspeed' declared here
labviewinterface.h:39: error: redefinition of 'float acquisitionperiod'
labviewinterface.h:39: error: 'float acquisitionperiod' declared here
labviewinterface.h:40: error: redefinition of 'float iterationsflt'
labviewinterface.h:40: error: 'float iterationsflt' declared here
labviewinterface.h:41: error: redefinition of 'int iterations'
labviewinterface.h:41: error: 'int iterations' declared here
labviewinterface.h:42: error: redefinition of 'float delaytime'
labviewinterface.h:42: error: 'float delaytime' declared here
lvifa_base.cpp: in function 'void setup()':
lvifa_base:117: error: redefinition of 'void setup()'
lvifa_base:35: error: 'void setup()' defined here
lvifa_base.cpp: in function 'void loop()':
lvifa_base:136: error: redefinition of 'void loop()'
lvifa_base:54: error: 'void loop()' defined here

qualcuno mi può aiutare ?
ps: uso il mac os x lion 10.7.3 ma penso che questo non c'entri nulla con gli errori di compilazione.
ho già usato l'ide di arduino eseguendo gli esempi del sito www.arduino.cc e con essi tutto funziona bene.
i problemi li ho con il lvifa_base.
grazie in anticipo

sei nella categoria sbagliata.
devi scrivere nella parte italiana.

ogni sketch ha una sua cartella. se ci metti un secondo sketch nella stessa cartella il ide quando compila mette prima sketch insieme e poi tenta di compilare. per questo si ritrova delle funzioni e variabili doppie.
ciao uwe


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