| Ligne 50 : | Ligne 50 : | ||
{{Tuto Step | {{Tuto Step | ||
|Step_Title=A la main ! | |Step_Title=A la main ! | ||
| − | |Step_Content=1 - trouvez la bibliothèque qui vous intéresse. En général, | + | |Step_Content=1 - trouvez la bibliothèque qui vous intéresse. En général, elle est sur le site github. |
| − | 2 - téléchargez-la puis | + | 2 - téléchargez-la puis dézipez la. |
| Ligne 70 : | Ligne 70 : | ||
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}} | }} | ||
{{Notes}} | {{Notes}} | ||
Version actuelle datée du 10 décembre 2020 à 11:35
Le logiciel Arduino permet de faire beaucoup de chose de base. Mais composants nécessite des morceaux de programme additionnels pour fonctionner. Ce sont des "Bibliothèques" (Libraries en anglais, un faux-ami !).
Difficulté
Technique
Durée
30 minute(s)
Disciplines scientifiques
Arduino, Informatique
Introduction
Les bibliothèques sont des programmes, souvent complexes, servant généralement à utiliser un composant (ruban de led, capteur de température, carte de particules, ...). Elles se présentent sous la forme de dossiers comportant plusieurs fichiers dont bien souvent des programmes exemples.
Généralement elle permettent d'utiliser de nouvelles fonctions dans les programmes Arduino.
Il y a deux manières d'installer une bibliothèque :
- à partir du logiciel, automatiquement.
- à la main en déposant les fichiers dans le dossier "libraries" d'Arduino
- Matériel et outils
Logiciel Arduino 
C'est le logiciel libre développé pour accompagner et programmer la carte Arduino
Ordinateur 
Dès sa mise sous tension, un ordinateur exécute, l'une après l'autre, des instructions qui lui font lire, manipuler, puis réécrire un ensemble de données auquel il a accès. Des tests et des sauts conditionnels permettent de changer d'instruction suivante, et donc d'agir différemment en fonction des données ou des nécessités du moment. Les données à manipuler sont obtenues, soit par la lecture de mémoires, soit par la lecture de composants d'interface (périphériques) qui représentent des données physiques extérieures en valeurs binaires (déplacement d'une souris, touche appuyée sur un clavier, température, vitesse, compression...). Une fois utilisées, ou manipulées, les données sont réécrites, soit dans des mémoires, soit dans des composants qui peuvent transformer une valeur binaire en une action physique (écriture sur une imprimante ou sur un moniteur, accélération ou freinage d'un véhicule, changement de température d'un four ...). L'ordinateur peut aussi répondre à des interruptions qui lui permettent d’exécuter des programmes de réponses spécifiques à chacune, puis de reprendre l’exécution séquentielle du programme interrompu. La technique actuelle des ordinateurs date du milieu du xxe siècle. Ils peuvent être classés selon plusieurs critères1 (domaine d'application, taille ou architecture).
Étape 1 - En utilisant le logiciel Arduino
La plupart des bibliothèques classiques sont disponible à partir du logiciel Arduino.
Nous allons voir ici l'exemple de la bibliothèque "Adafruit Néopixels".
Pour cela cliquez sur "Croquis->Inclure une bibliothèque->Gérer les bibliothèques"
Puis, faire une recherche avec "Néopixel".
Clique sur "Installer" la bibliothèque Adafruit Néopixel
et voilà, c'est tout !
Étape 2 - A la main !
1 - trouvez la bibliothèque qui vous intéresse. En général, elle est sur le site github.
2 - téléchargez-la puis dézipez la.
3 - renommez-la, il faut enlever la mention "-master".
4 - il vous faut repérer le dossier "Libraries", c'est la que sont stockées les bibliothèques d'Arduino.
Allez sur "Croquis->afficher le dossier des croquis"
recherchez le dossier qui se nomme "Librairies"
et déposez la bibliothèque que vous souhaitez installer.
Dernière modification 10/12/2020 par user:Antonydbzh.
Published