Add Badger display of calendar

Calendar/BadgerDisplay/calendar.py

@@ -0,0 +1,133 @@
+import badger2040
+import machine
+import urequests
+import ntptime
+import datetime
+import math
+from machine import Pin, ADC
+
+LOOP = True
+
+WIDTH = 296
+HEIGHT = 128
+
+COUNTRY = "US"
+STATE = "MA"
+TIMEZONE = "America/New_York"
+
+BASE_URL = f"http://172.23.10.3:8081/api/calendar/events/next?country={COUNTRY}&state={STATE}&timezone={TIMEZONE}"
+
+badger = badger2040.Badger2040()
+
+def get_battery_level():
+    global battery_level
+    
+    Pin(25, Pin.OUT, value=1)       # Deselect Wi-Fi module
+    Pin(29, Pin.IN, pull=None)      # Set VSYS ADC pin floating
+
+    # VSYS measurement
+    vsys_adc = ADC(29)
+    vsys = (vsys_adc.read_u16() / 65535) * 3 * 3.3
+
+    battery_level = vsys    
+
+def get_data(url):
+    global name, type, date, days_until, hours_until, minutes_until, is_today
+        
+    print(f"Requesting URL: {url}")
+    response = urequests.get(url)
+
+    json = response.json()
+    print("Data obtained!")
+    print(json)
+
+    name = json["name"]
+    type = json["type"]
+    date = json["date"]
+    is_today = json["isToday"]
+    
+    if json["durationUntil"] is None:
+        days_until = 0
+        hours_until = 0
+        minutes_until = 0
+    else:
+        days_until = json["durationUntil"]["days"]
+        hours_until = json["durationUntil"]["hours"]
+        minutes_until = json["durationUntil"]["minutes"]
+
+    response.close()
+
+def update_display():
+    badger.set_pen(15)
+    badger.clear()
+
+    badger.set_pen(0)
+    badger.set_font("bitmap8")
+    
+    text = f"{name}"
+    text_width = badger.measure_text(text, scale=2)
+    badger.text(text, math.floor((WIDTH - text_width) / 2), 25, scale=2)
+    
+    text = "Today" if is_today else f"{days_until} days {hours_until} hours"
+    text_width = badger.measure_text(text, scale=2)    
+    badger.text(text, math.floor((WIDTH - text_width) / 2), 65, scale=2)
+    
+    badger.text(f"Battery: {battery_level:.2f}V", 2, HEIGHT - 10, scale=1)
+    
+    text = f"{last_updated.date()} {last_updated.time()}"
+    text_width = badger.measure_text(text, scale=1)
+    badger.text(text, WIDTH - text_width - 2, HEIGHT - 10, scale=1)
+    
+    badger.update()
+    
+step = 0
+    
+while True:
+    try:
+        step = 0
+        
+        badger.connect(status_handler=None)
+ 
+        step += 1
+        
+        try:
+            if badger.isconnected():
+                ntptime.settime()
+        except Exception as e:
+            print(f"{step} - {repr(e)}")
+            
+        step += 1
+
+        last_updated = datetime.datetime.now(tz=datetime.timezone.utc)            
+        year = datetime.date.today().year
+            
+        step += 1
+
+        get_data(f"{BASE_URL}&year={year}")
+
+        step += 1
+
+        get_battery_level()
+        
+        step += 1
+        
+        update_display()
+        
+        step += 1
+
+        if LOOP:
+            badger2040.sleep_for(30)
+        else:
+            break
+    except Exception as e:
+        badger.set_pen(15)
+        badger.clear()
+
+        badger.set_pen(0)
+        badger.set_font("bitmap8")
+        
+        badger.text(f"{step} - {repr(e)}", 0, 0, WIDTH, scale=1)
+                
+        badger.update()
+        
+        break