diff --git a/.gitignore b/.gitignore index 9530bd5a795f07c4ce080c72b44d22555953fca1..6d7439dec399e25a313d96f1130d416c79770ccb 100644 --- a/.gitignore +++ b/.gitignore @@ -18,3 +18,4 @@ dist/ TODO.md FIXME.md +resultats_diviseur_tension*.txt diff --git a/LICENSE b/LICENSE index f5db0f90123da31ee44639e0feb27a12fc92de7f..f288702d2fa16d3cdf0035b15a9fcbc552cd88e7 100644 --- a/LICENSE +++ b/LICENSE @@ -1,18 +1,674 @@ -<h2>Fichier de licence du projet</h2> + GNU GENERAL PUBLIC LICENSE + Version 3, 29 June 2007 -<!-- Licence [GNU GPLv3](https://www.gnu.org/licenses/gpl-3.0) - GNU GENERAL PUBLIC LICENSE : Version 3, 29 June 2007 --> + Copyright (C) 2007 Free Software Foundation, Inc. <https://fsf.org/> + Everyone is permitted to copy and distribute verbatim copies + of this license document, but changing it is not allowed. -<h3> -<a href="" title="" target="_blank"> -<table> - <tr> - <td><img src="https://www.gnu.org/graphics/gplv3-127x51.png" alt="CGNU GPLv3" /></td> - <td>Licence <a href="https://www.gnu.org/licenses/gpl-3.0">GNU GPLv3</a> - GNU GENERAL PUBLIC LICENSE : Version 3, 29 June 2007</td> - </tr> -</table> -</a> -</h3> + Preamble -- [Guide rapide de la GPLv3](https://www.gnu.org/licenses/quick-guide-gplv3.fr.html) + The GNU General Public License is a free, copyleft license for +software and other kinds of works. -- [Texte de la GPLv3](https://www.gnu.org/licenses/gpl-3.0#license-text) + The licenses for most software and other practical works are designed +to take away your freedom to share and change the works. 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If not, see <https://www.gnu.org/licenses/>. + +Also add information on how to contact you by electronic and paper mail. + + If the program does terminal interaction, make it output a short +notice like this when it starts in an interactive mode: + + <program> Copyright (C) <year> <name of author> + This program comes with ABSOLUTELY NO WARRANTY; for details type `show w'. + This is free software, and you are welcome to redistribute it + under certain conditions; type `show c' for details. + +The hypothetical commands `show w' and `show c' should show the appropriate +parts of the General Public License. Of course, your program's commands +might be different; for a GUI interface, you would use an "about box". + + You should also get your employer (if you work as a programmer) or school, +if any, to sign a "copyright disclaimer" for the program, if necessary. +For more information on this, and how to apply and follow the GNU GPL, see +<https://www.gnu.org/licenses/>. + + The GNU General Public License does not permit incorporating your program +into proprietary programs. If your program is a subroutine library, you +may consider it more useful to permit linking proprietary applications with +the library. If this is what you want to do, use the GNU Lesser General +Public License instead of this License. But first, please read +<https://www.gnu.org/licenses/why-not-lgpl.html>. diff --git a/README.md b/README.md index fe872dcd31fcaf5021bafd5c0502a74355ebdc9e..12694f0417ec5cd07b9b9c467f364cf9e9c03b1e 100644 --- a/README.md +++ b/README.md @@ -477,10 +477,29 @@ Fonction pour calculer les valeurs de résistance d'un pont diviseur. ## Conception de l'application graphique -Voici un aperçu de la conception d'une application graphique pour le calcul des valeurs de résistances d'un pont diviseur de tension : +L'idée est de créer une interface utilisateur simple et intuitive pour permettre à l'utilisateur de saisir les valeurs d'entrée du pont diviseur (Vin, Vout, série de résistances, etc.) et d'obtenir les valeurs de résistances calculées en sortie. + +Voici un aperçu de l'étude de la conception pour l'application graphique pour le calcul des valeurs de résistances d'un pont diviseur de tension :  +Une première version de l'application graphique pour le calcul des valeurs de résistances d'un pont diviseur de tension : + + + +Pour lancer l'application graphique, vous pouvez exécuter le script `main.py` dans le répertoire `src` : + +```bash +(.env) > python src/main.py +``` + +A comparer avec les scripts du répertoire `examples` : + +```bash +(.env) > python examples/simple_example_resistance_calculation.py # pré rempli avec des valeurs de test +(.env) > python examples/example_resistance_calculation.py # demande à l'utilisateur de saisir les différentes valeurs +``` + --- <br /> @@ -516,3 +535,5 @@ Ce projet est sous licence [GNU GPLv3](https://www.gnu.org/licenses/quick-guide- 🆠_La GNU GPLv3 vous garantit la liberté d'utilisation, de modification et de distribution de ce projet, à l'exception de distribuer des versions à code source fermé._ Merci de consulter le fichier [LICENCE](LICENSE) pour plus d'informations. + +https://www.gnu.org/licenses/gpl-3.0.txt diff --git a/examples/simple_example_resistance_calculation.py b/examples/simple_example_resistance_calculation.py index 30d8b93f879b63debd6b1f646009b7a72b7a664e..5aec10ddec3586b7f8f752261c1150676436161f 100644 --- a/examples/simple_example_resistance_calculation.py +++ b/examples/simple_example_resistance_calculation.py @@ -72,6 +72,22 @@ if __name__ == "__main__": # et une erreur minimale de 0.6 V qui permettant de valider les valeurs de resistances calculées. # Changer la valeur de l'erreur minimale pour voir l'impact sur les valeurs de resistances calculées. # Les valeurs de resistances calculées seront affichées dans le terminal. + # + # Voici la sortie attendue de cette exemple simple : + # ------------------------------------------------- + # Pour une tension d'alimentation de 5 V et une tension de sortie de 4 V, + # si l'on prend des valeurs de résistances entre 4.0 k à 10.0 k dans la série E6, soit [4700, 6800, 10000] en ohms, + # et que l'on souhaite que la somme maximale de R1 + R2 ne dépasse pas 15 kohms, avec une erreur minimale de 0.6 V, + # alors les valeurs de résistances retournées sont : + # + # R1 = 4700 ohms + # R2 = 10000 ohms + # + # La tension de sortie calculée est de 3.401 V + # L'erreur de calcul est de 0.5986 V + # L'erreur maximale autorisée était de 0.600 V + # + # L'erreur de calcul est inférieure à l'erreur maximale autorisée, les valeurs de résistances sont validées Vin = 5 # Tension d'alimentation Vout = 4 # Tension de sortie @@ -119,7 +135,7 @@ if __name__ == "__main__": # Calcul de la tension de sortie avec les valeurs de résistances trouvées Vout_calc = Vin * R2 / (R1 + R2) print(f"La tension de sortie calculée est de {Vout_calc:.3f} V") - print(f"L'erreur de calcul est de {abs(Vout_calc - Vout):.3f} V") + print(f"L'erreur de calcul est de {abs(Vout_calc - Vout):.4f} V") print(f"L'erreur maximale autorisée était de {erreur_min:.3f} V\n") # Comparaison de l'erreur de calcul avec l'erreur maximale autorisée diff --git a/images/app-tkinter-for-voltage-divider-bridge.png b/images/app-tkinter-for-voltage-divider-bridge.png new file mode 100644 index 0000000000000000000000000000000000000000..d4eedfc0f417a496d00d4b602d3496b72b830c3d Binary files /dev/null and b/images/app-tkinter-for-voltage-divider-bridge.png differ diff --git a/src/calculator/e_series_gererator.py b/src/calculator/e_series_gererator.py index 1bd383ea750ee8b09c80c5a2a2614ae2323a969f..0ac26fcab2a1a1e72802d91353206fe015c0854a 100644 --- a/src/calculator/e_series_gererator.py +++ b/src/calculator/e_series_gererator.py @@ -147,8 +147,8 @@ if __name__ == "__main__": [4020, 4220, 4420, 4640, 4870, 5110, 5360, 5620, 5900, 6190, 6490, 6810, 7150, 7500, 7870, 8250, 8660, 9090, 9530, 10000] ``` """ - r_start = 16000 # Minimum resistance value - r_end = 17000 # Maximum resistance value + r_start = 1000 # Minimum resistance value + r_end = 10000 # Maximum resistance value serie = "E96" # Test the function with E48 series print("\nAvailable E series:", get_available_e_series()) diff --git a/src/main.py b/src/main.py index 3cb652c397cf0afa1e276a78bbe55f085684593b..24b466a4ea1371f67ccabd7190c4c2e486df7262 100644 --- a/src/main.py +++ b/src/main.py @@ -50,7 +50,23 @@ __status__ = "Development" import tkinter as tk from tkinter import ttk, messagebox from PIL import Image, ImageTk # Bibliothèque pour manipuler les images +import PIL import os +import sys + +# Ajoute un chemin au sys.path, pour permettre à Python de trouver et d'importer des modules +# situés dans des répertoires parents : +sys.path.append(os.path.abspath(os.path.join(os.path.dirname(__file__), "../"))) + +from src.calculator.e_series_gererator import ( + generate_e_series_resistor, + get_available_e_series, +) +from src.calculator.voltage_divider import ( + get_resistor_bridge_values, + get_output_voltage_bridge, +) +from src.display.table_formatting import print_list_items_by_line def calculate_resistances(): @@ -58,20 +74,37 @@ def calculate_resistances(): try: vin = float(entry_vin.get()) vout = float(entry_vout.get()) - error = float(entry_error.get()) + erreur_min = float(entry_error.get()) r_min = int(entry_rmin.get()) r_max = int(entry_rmax.get()) + serie_selectionnee = series_combobox.get() + print(f"Valeur série sélectionnée : {serie_selectionnee}") + max_somme = 2 * r_max # Simule un calcul simple - r1 = r_min - r2 = r_max - calculated_vout = vin * (r2 / (r1 + r2)) + # r1 = r_min + # r2 = r_max + # calculated_vout = vin * (r2 / (r1 + r2)) + # error_percent = abs(calculated_vout - vout) / vout * 100 + + resistor_in_serie = generate_e_series_resistor( + r_min, r_max, serie_selectionnee + ) # Generate resistors values from E série + + # Trouver les valeurs résistances du pont diviseur + r1, r2 = get_resistor_bridge_values( + vin, vout, max_somme, resistor_in_serie, erreur_min + ) + + calculated_vout = get_output_voltage_bridge(vin, r1, r2) + error = abs(calculated_vout - vout) # Calcul de l'erreur error_percent = abs(calculated_vout - vout) / vout * 100 label_r1.config(text=f"{r1} Ohms") label_r2.config(text=f"{r2} Ohms") - label_vout.config(text=f"{calculated_vout:.3f} Volts") - label_error.config(text=f"±{error:.3f} Volts, soit ±{error_percent:.2f} %") + label_vout.config(text=f"{calculated_vout:.4f} Volts") + # label_error.config(text=f"±{erreur_min:.3f} Volts, soit ±{error_percent:.2f} %") + label_error.config(text=f"{error:.4f} Volts, soit {error_percent:.2f} %") except ValueError: messagebox.showerror( "Erreur", "Veuillez entrer des valeurs numériques valides." @@ -99,10 +132,53 @@ Erreur : {label_error.cget("text")} messagebox.showerror("Erreur", f"Impossible de sauvegarder : {e}") +def redimensionner_image(img, largeur, hauteur): + """Redimensionne une image en utilisant la méthode appropriée en fonction de la version de Pillow.""" + try: + # Vérifie la version de Pillow + if PIL.__version__ >= "10.0.0": + # Utilise LANCZOS pour les versions >= 10.0.0 + img = img.resize((largeur, hauteur), Image.LANCZOS) + else: + # Utilise ANTIALIAS pour les versions < 10.0.0 + img = img.resize((largeur, hauteur), Image.ANTIALIAS) + except AttributeError: + # Gère les erreurs si Image.LANCZOS n'est pas disponible (versions très anciennes) + img = img.resize((largeur, hauteur), Image.ANTIALIAS) # Méthode de repli + return img + + +def redimensionner_image_proportionnellement(img, largeur_max, hauteur_max): + """Redimensionne une image en conservant les proportions et en respectant les dimensions maximales.""" + largeur_originale, hauteur_originale = img.size + # print(f"Dimensions originales : {largeur_originale}x{hauteur_originale}") # Debug + ratio_original = largeur_originale / hauteur_originale + # print(f"Ratio original : {ratio_original}") # Debug + + if largeur_originale > largeur_max or hauteur_originale > hauteur_max: + if largeur_max / hauteur_max > ratio_original: + nouvelle_hauteur = hauteur_max + nouvelle_largeur = int(nouvelle_hauteur * ratio_original) + else: + nouvelle_largeur = largeur_max + nouvelle_hauteur = int(nouvelle_largeur / ratio_original) + + # img = img.resize((nouvelle_largeur, nouvelle_hauteur), Image.LANCZOS) # ou Image.ANTIALIAS + img = redimensionner_image(img, nouvelle_largeur, nouvelle_hauteur) + return img + + # Création de la fenêtre principale root = tk.Tk() root.title("Calcul des résistances R1 et R2") -root.geometry("600x700") + +# Définir la taille minimale de la fenêtre +root.minsize(340, 480) + +# Définir une taille initiale (facultatif) +root.geometry("400x500") + +# Code pour les widgets et la logique de l'application # Entrées utilisateur frame_inputs = tk.Frame(root) @@ -124,7 +200,8 @@ entry_error.grid(row=2, column=1) tk.Label(frame_inputs, text="Volts").grid(row=2, column=2) tk.Label(frame_inputs, text="Série :").grid(row=3, column=0) -series_combobox = ttk.Combobox(frame_inputs, values=["E12", "E24", "E48", "E96"]) +# series_combobox = ttk.Combobox(frame_inputs, values=["E12", "E24", "E48", "E96"]) +series_combobox = ttk.Combobox(frame_inputs, values=get_available_e_series()) series_combobox.grid(row=3, column=1) series_combobox.set("E48") @@ -166,10 +243,15 @@ frame_image.pack(pady=10) try: image_path = os.path.join("assets", "voltage-divider.png") img = Image.open(image_path) - img = img.resize((400, 200), Image.ANTIALIAS) # Redimensionner l'image - img_tk = ImageTk.PhotoImage(img) - canvas = tk.Canvas(frame_image, width=400, height=200) + # AttributeError: module 'PIL.Image' has no attribute 'ANTIALIAS' + # https://stackoverflow.com/questions76616042/attributeerror-module-pil-image-has-no-attribute-antialias + # img = img.resize((400, 200), Image.ANTIALIAS) # Redimensionner l'image + img_redimensionnee = redimensionner_image_proportionnellement(img, 300, 150) + largeur_img_tk, hauteur_img_tk = img_redimensionnee.size + img_tk = ImageTk.PhotoImage(img_redimensionnee) + + canvas = tk.Canvas(frame_image, width=largeur_img_tk, height=hauteur_img_tk) canvas.create_image(0, 0, anchor="nw", image=img_tk) canvas.pack() except Exception as e: