import gc import os import time import neopixel from machine import Pin, PWM try: import requests except ImportError: import urequests as requests from wifi import connect_wifi ANNEE = 2022 # --- REGLAGES DE VITESSE ET DE TEMPS --- DUREE_PAUSE = 4 # Temps d'arrêt (en secondes) sur chaque mois DUREE_MOUVEMENT = 0.8 # Temps (en secondes) pour tourner doucement d'un mois à l'autre ANGLE_TOTAL = 180 # Angle maximum de votre nouveau servomoteur TRICHE_FRAICHEUR = 7.0 # (AUGMENTE) 7 degrés d'écart forcé pour un effet visuel massif # --------------------------------------- PIN_SERVO = 18 PIN_VILLE = 13 PIN_BOIS = 14 PIN_DIFF = 26 NB_LED = 8 CSV_FICHIER = "arbre.csv" COL_DATE_BOIS = "date" COL_TEMP_BOIS = "Tair_avg" BASE_URL = ( "https://opendata.bordeaux-metropole.fr/api/explore/v2.1/catalog/datasets/" "observation-meteorologique-historiques-bordeaux-metropole-synop/records" ) CHAMP_DATE = "date" CHAMP_TEMP = "tc" CACHE_VILLE = "ville_2022.csv" # --- ECHELLE REDUITE POUR PLUS DE CONTRASTE --- T_MIN = 5 # (Modifié) Plus bas = 5°C T_MAX = 25 # (Modifié) Plus haut = 25°C DIFF_MAX = 7 # Modifié pour correspondre à la triche LUM = 80 servo = PWM(Pin(PIN_SERVO), freq=50) bande_ville = neopixel.NeoPixel(Pin(PIN_VILLE), NB_LED) bande_bois = neopixel.NeoPixel(Pin(PIN_BOIS), NB_LED) bande_diff = neopixel.NeoPixel(Pin(PIN_DIFF), NB_LED) position = [0.0] def angle_servo(a): servo.duty_u16(int(1638 + (a / ANGLE_TOTAL) * (8192 - 1638))) def balayer(cible, duree): depart = position[0] if depart == cible: angle_servo(cible) return pas_ms = 30 n = max(1, int(duree * 1000 / pas_ms)) for i in range(1, n + 1): angle_servo(depart + (cible - depart) * i / n) time.sleep_ms(pas_ms) position[0] = cible def eteindre(bande): for i in range(NB_LED): bande[i] = (0, 0, 0) bande.write() def en_celsius(v): return v - 273.15 if v > 100 else v def url_mois(m): debut = "%d-%02d-01" % (ANNEE, m) fin = "%d-01-01" % (ANNEE + 1) if m == 12 else "%d-%02d-01" % (ANNEE, m + 1) return ( BASE_URL + "?select=avg(" + CHAMP_TEMP + ")%20as%20moy" + "&where=" + CHAMP_DATE + "%3E%3Ddate%27" + debut + "%27%20and%20" + CHAMP_DATE + "%3Cdate%27" + fin + "%27" ) def api_mois(m): gc.collect() url = url_mois(m) r = requests.get(url) try: if r.status_code != 200: print("URL:", url) print("Reponse API:", r.text) raise RuntimeError("API : statut HTTP " + str(r.status_code)) data = r.json() finally: r.close() if "results" not in data or not data["results"]: raise RuntimeError("API : reponse inattendue") v = data["results"][0]["moy"] return None if v is None else en_celsius(v) def charger_ville(): temp = [None] * 13 if CACHE_VILLE in os.listdir(): with open(CACHE_VILLE) as f: for ligne in f: p = ligne.strip().split(",") if len(p) == 2 and p[1] != "": temp[int(p[0])] = float(p[1]) return temp connect_wifi() for m in range(1, 13): temp[m] = api_mois(m) with open(CACHE_VILLE, "w") as f: for m in range(1, 13): f.write("%d,%s\n" % (m, "" if temp[m] is None else temp[m])) return temp def _decouper(ligne): champs = [] courant = "" guillemets = False for c in ligne.rstrip("\r\n"): if c == '"': guillemets = not guillemets elif c == "," and not guillemets: champs.append(courant) courant = "" else: courant += c champs.append(courant) return champs def _convertir(valeur): valeur = valeur.strip() if valeur in ("", "NA", "#NAME?"): return None try: nombre = float(valeur.replace(",", ".")) except ValueError: return valeur if "," not in valeur and "." not in valeur: return int(nombre) return nombre def lire_csv(fichier=CSV_FICHIER): with open(fichier) as f: colonnes = _decouper(f.readline().replace("\ufeff", "")) for ligne in f: if not ligne.strip(): continue valeurs = [_convertir(v) for v in _decouper(ligne)] yield dict(zip(colonnes, valeurs)) def parse_mois(s): if not isinstance(s, str): return None s = s.strip() try: if "/" in s: p = s.split("/") a, m = int(p[2][:4]), int(p[1]) else: a, m = int(s[:4]), int(s[5:7]) except (ValueError, IndexError): return None return m if a == ANNEE and 1 <= m <= 12 else None def charger_bois(): somme = [0.0] * 13 n = [0] * 13 verifie = False for ligne in lire_csv(): if not verifie: verifie = True m = parse_mois(ligne[COL_DATE_BOIS]) t = ligne[COL_TEMP_BOIS] if m is None or not isinstance(t, (int, float)): continue somme[m] += t n[m] += 1 return [None] + [(somme[m] / n[m] if n[m] else None) for m in range(1, 13)] def couleur_temp(t): # NOUVEAU CALCUL DE COULEUR ULTRA-CONTRASTÉ x = max(0.0, min(1.0, (t - T_MIN) / (T_MAX - T_MIN))) rouge = int(LUM * x) bleu = int(LUM * (1 - x)) vert = int((LUM / 2) * (1 - x)) # Ajoute du vert au bleu pour faire un Cyan très visible return (rouge, vert, bleu) def afficher_temp(bande, t): if t is None: eteindre(bande) return c = couleur_temp(t) for i in range(NB_LED): bande[i] = c bande.write() def afficher_jauge(diff): if diff is None: eteindre(bande_diff) return niveau = round(min(abs(diff), DIFF_MAX) / DIFF_MAX * NB_LED) niveau = max(1, niveau) # Bleu Cyan vif si plus frais, Rouge vif si plus chaud c = (0, int(LUM/2), LUM) if diff < 0 else (LUM, 0, 0) for i in range(NB_LED): bande_diff[i] = c if i < niveau else (0, 0, 0) bande_diff.write() NOMS = ["", "Jan", "Fev", "Mar", "Avr", "Mai", "Juin", "Juil", "Aout", "Sep", "Oct", "Nov", "Dec"] def main(): ville = charger_ville() bois = charger_bois() secteur = ANGLE_TOTAL / 11 balayer(0, 2) time.sleep(1) while True: for m in range(1, 13): tv = ville[m] tb = bois[m] # --- TRICHE POUR LA MAQUETTE --- if tb is not None: tb = tb - TRICHE_FRAICHEUR # ------------------------------- diff = None if (tv is None or tb is None) else tb - tv print(NOMS[m], ANNEE, "ville:", tv, "sous-bois:", tb, "diff:", diff) afficher_temp(bande_ville, tv) afficher_temp(bande_bois, tb) afficher_jauge(diff) angle_cible = (m - 1) * secteur balayer(angle_cible, DUREE_MOUVEMENT) time.sleep(DUREE_PAUSE) balayer(0, 3) time.sleep(1) main()