Weather dashboard for M5Stack Core basic 2.7 that loads from weather.org

weather-dashboard-m5stack-core-basic.py

from m5stack import *
from m5ui import *
from uiflow import *
import urequests
import wifiCfg
import ujson
import gc
import time

# ================== CONFIG ==================
WARMUP_URL  = "https://api.weather.gov/gridpoints/ILX/95,71/forecast"
WEATHER_URL = "https://api.weather.gov/gridpoints/FWD/89,110/forecast"
REFRESH_INTERVAL = 900
# ============================================

SCREEN_W = 320

# ---------- COLORS ----------
TEXT_COLOR   = 0xFFFFFF
STATUS_COLOR = 0xAAAAAA
NORMAL_DK    = 0x222222

def bg_for_temp(temp_f):
    if temp_f <= 32:
        return 0x001133
    elif temp_f <= 42:
        return 0x002255
    elif temp_f <= 52:
        return 0x003377
    elif temp_f <= 62:
        return 0x004455
    elif temp_f <= 72:
        return 0x003300
    elif temp_f <= 82:
        return 0x552200
    else:
        return 0x660000

# ---------- DRAW HELPERS ----------
def set_bg(color):
    setScreenColor(color)

def clear_rect(x, y, w, h, color):
    lcd.fillRect(x, y, w, h, color)

def print_centered(text, y, font, color, bg):
    lcd.font(font)
    w = lcd.textWidth(text)
    x = (SCREEN_W - w) // 2
    if x < 0:
        x = 0
    lcd.setTextColor(color, bg)
    lcd.print(text, x, y)

def clear_main(bg):
    clear_rect(0, 0, SCREEN_W, 200, bg)

def clear_status(bg):
    clear_rect(0, 200, SCREEN_W, 40, bg)

# ---------- WIFI ----------
set_bg(NORMAL_DK)
clear_status(NORMAL_DK)
print_centered("Connecting WiFi...", 210, lcd.FONT_Default, STATUS_COLOR, NORMAL_DK)

wifiCfg.autoConnect(lcdShow=True)

clear_status(NORMAL_DK)
print_centered("WiFi connected", 210, lcd.FONT_Default, STATUS_COLOR, NORMAL_DK)

# ---------- NETWORK WARMUP ----------
def warmup_request():
    try:
        headers = {
            "User-Agent": "M5Stack-Core2 Weather Dashboard",
            "Accept": "application/geo+json",
            "Connection": "close"
        }
        r = urequests.get(WARMUP_URL, headers=headers)
        r.close()
        del r
        gc.collect()
        wait_ms(200)
    except Exception as e:
        print("Warmup ignored:", e)

# ---------- WEATHER ----------
def update_weather():
    clear_status(NORMAL_DK)
    print_centered("Updating...", 210, lcd.FONT_Default, STATUS_COLOR, NORMAL_DK)

    try:
        headers = {
            "User-Agent": "M5Stack-Core2 Weather Dashboard",
            "Accept": "application/geo+json",
            "Connection": "close"
        }

        warmup_request()

        r = urequests.get(WEATHER_URL, headers=headers)
        data = ujson.loads(r.text)
        r.close()
        del r

        period = data["properties"]["periods"][0]

        temp     = period["temperature"]
        unit     = period["temperatureUnit"]
        short_fc = period["shortForecast"]
        name     = period["name"]

        print("Forecast:", name, period["startTime"])

        bg = bg_for_temp(temp)
        set_bg(bg)

        clear_main(bg)
        clear_status(bg)

        print_centered(str(temp) + "°" + unit, 45,
                       lcd.FONT_DejaVu56, TEXT_COLOR, bg)

        print_centered(short_fc, 125,
                       lcd.FONT_DejaVu24, TEXT_COLOR, bg)

        print_centered(name, 210,
                       lcd.FONT_Default, STATUS_COLOR, bg)

        gc.collect()

    except Exception as e:
        clear_status(NORMAL_DK)
        print_centered("Update failed", 210,
                       lcd.FONT_Default, STATUS_COLOR, NORMAL_DK)
        print("ERROR:", e)
        gc.collect()

# ---------- MAIN LOOP ----------
update_weather()
last_update = time.time()

while True:
    if time.time() - last_update > REFRESH_INTERVAL:
        update_weather()
        last_update = time.time()
    wait_ms(500)