Probleme caractere Echap dans un string

Je n'arrive pas à envoyer ce message sur le forum de la comm. française...
Bonjour à tous,
Je rencontre (encore) un problème et j'aurais besoin d'un peu d'aide svp.
J'utilise un compteur Heidenhain ND287 et n'ayant pas trouvé de driver pour l'utiliser, j'ai du créer mes propres fonctions. Celle permettant de demander la valeur mesurée pose soucis...
Communication USB.
J'envoi correctement la commande et réceptionne bien la réponse. Cependant, cette dernière comporte des "caractères" Echapp (visible comme un carré depuis un indicateur string) que je n'arrive pas à gérer. En effet, il peut y en avoir 2 ou 3 avant la valeur numérique et je dois isoler cette dernière correctement pour pouvoir être lue (sinon je lis 0).
J'ai essayé diverses méthodes mais sans succès...
Quelqu'un aurait-il une idée?
Solved!
Go to Solution.
Attachments:
Untitled 1.vi ‏22 KB

Bonjour,
Merci pour le screenshot. Êtes vous sûr que le carractere renvoyé est bien "echap" avec le code 1B? Peut être regardez le code hexadecimal du string renvoyé et vévifiez que le premier caractère a bien le code 1B
Pour ce faire, utilisez la fonction "string to byte array" de la palette Functions:: Programming::Numeric::Conversion ainsi que la fonction "number to hexadecimal string" de la palette Functions:: Programming:tring:tring/Number Conversion
Si effectivement le "caractère mystère n'a pas pour code hexadecimal 0x1B, il est normal qu'il ne soit pas filtré.
Cordialement
Florian Abry
Application Engineer Group Leader
NI Germany

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