reset du buffer DAQ

[Jérémy]

Bonjour,

J'aimerai savoir comment faire pour remettre à 0 mon buffer car il me dit d'augmenter la taille de celui-ci mais le problème c'est que je fais l'acquisition de signaux numériques en continue et je ne connais pas le temps que cela dure car il est variable. En fait, je charge mes données et je les enregistre dans un fichier binaire. Donc voila j'aimerai comment faire car il me met l'erreur 200279 au bout d'un certain temps. Est ce qu'il y a un moyen de lui dire qu'il peut réécrire dessus un fois que l'on à sauvegardé nos données?

Merci par avance.

[Hillman]

Hi Jeremy,

Good afternoon and I hope your well today.

Thanks for the post.

The best method to perform continous acuqistion of data and save it to a file would be to use the produce/consumer design pattern. This method uses two parallel loops, one to acquire data at a constant rate, and another to save the data to the file - without affecting the acuqisition - which causes the errors your seeing. Please see this knowledebase article for more reference.

Error -200279 or other Buffer Errors During a Continuous, Buffered Acquisition

http://digital.ni.com/public.nsf/allkb/7AD4854943BF344186256D6500807935?OpenDocument

It is also important to make sure you open the file at the correct time.

Have you looked at any examples from the NI Examples Finder? Also could you post your code?

[Coq_Rouge]

just to inform you Hillman. This is a non picture document.

[Hillman]

Hi All,

Coq Rouge/t06afre

Thanks for the information. I will update this document. Keep up the great work - please let me know of any others.  

Jeremy

How did the above information find you? Are you still having any problems with your applications?