1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32

# SPDX-FileCopyrightText: Copyright (c) 2026 Liz Clark for Adafruit Industries
#
# SPDX-License-Identifier: MIT

"""
Xteink X4 Helper Demo

Uses button inputs and battery monitor
"""

from adafruit_xteink_x4 import BatteryMonitor, InputManager

battery = BatteryMonitor()
buttons = InputManager()

print(f"Battery: {battery.percentage}% ({battery.volts:.2f}V)")
print()

while True:
    buttons.update()

    if buttons.any_pressed:
        for i in range(7):
            if buttons.was_pressed(i):
                print(f"Pressed:  {buttons.button_name(i)}")

    if buttons.any_released:
        for i in range(7):
            if buttons.was_released(i):
                held = buttons.held_time
                print(f"Released: {buttons.button_name(i)} (held {held:.2f}s)")
                print(f"Battery: {battery.percentage}% ({battery.volts:.2f}V)")

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51

# SPDX-FileCopyrightText: 2026 Liz Clark for Adafruit Industries
# SPDX-License-Identifier: MIT

"""
Xteink X4 bitmap test
"""
import os
import board
import displayio
from adafruit_xteink_x4 import InputManager

display = board.DISPLAY

groups = []
images = []
for filename in os.listdir('/'):
    if filename.lower().endswith('.bmp') and not filename.startswith('.'):
        images.append("/"+filename)
print(images)

for i in range(len(images)):
    splash = displayio.Group()
    bitmap = displayio.OnDiskBitmap(images[i])
    tile_grid = displayio.TileGrid(bitmap, pixel_shader=bitmap.pixel_shader)
    splash.append(tile_grid)
    groups.append(splash)

index = 0

display.root_group = groups[index]
display.refresh()

buttons = InputManager()

while True:
    buttons.update()

    if buttons.any_pressed:
        for i in range(7):
            if buttons.was_pressed(i):
                index = i

    if buttons.any_released:
        for i in range(7):
            if buttons.was_released(i):
                held = buttons.held_time
                print(f"Released: {buttons.button_name(i)} (held {held:.2f}s)")
                print("updating display..")
                display.root_group = groups[index]
                display.refresh()
                print(f"showing {images[index]}")

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228

# SPDX-FileCopyrightText: 2026 Liz Clark for Adafruit Industries
#
# SPDX-License-Identifier: MIT
# pylint: disable=redefined-outer-name, eval-used, wrong-import-order, unsubscriptable-object

"""
Xteink X4 Weather Display Demo
Based on MagTag Weather by Carter Nelson
"""

import time
import os
import board
import alarm
import displayio
import adafruit_imageload
import ssl
import wifi
import socketpool
import adafruit_requests
from adafruit_bitmap_font import bitmap_font
from adafruit_display_text import label
import gc

gc.collect()

display = board.DISPLAY
display.rotation = 270
DISPLAY_WIDTH = display.width

try:
    wifi.radio.connect(os.getenv('CIRCUITPY_WIFI_SSID'), os.getenv('CIRCUITPY_WIFI_PASSWORD'))
except TypeError:
    print("Could not find WiFi info. Check your settings.toml file!")
    raise

# --| USER CONFIG |--------------------------
LAT = 40.7128  # latitude
LON = -74.0060  # longitude
TMZ = "America/New_York"  # https://en.wikipedia.org/wiki/List_of_tz_database_time_zones
METRIC = False  # set to True for metric units
CITY = "New York, NY"  # optional
# -------------------------------------------

pool = socketpool.SocketPool(wifi.radio)
requests = adafruit_requests.Session(pool, ssl.create_default_context())
URL = f"https://api.open-meteo.com/v1/forecast?latitude={LAT}&longitude={LON}&"
URL += "daily=weather_code,temperature_2m_max,temperature_2m_min"
URL += ",sunrise,sunset"
URL += "&timeformat=unixtime"
URL += f"&timezone={TMZ}"
gc.collect()
resp_data = requests.get(URL)
#resp_data = get_forecast()
print("got url")
forecast_data = resp_data.json()

# ----------------------------
# Define various assets
# ----------------------------
gc.collect()
font_file = "/fonts/Arial-Bold-24.bdf"
font = bitmap_font.load_font(font_file)
BACKGROUND_BMP = "/bmps/weather_bg_vert.bmp"
ICONS_LARGE_FILE = "/bmps/weather-icons.bmp"
DAYS = ("Monday", "Tuesday", "Wednesday", "Thursday", "Friday", "Saturday", "Sunday")
MONTHS = (
    "January",
    "February",
    "March",
    "April",
    "May",
    "June",
    "July",
    "August",
    "September",
    "October",
    "November",
    "December",
)

# Weather Code Information from https://open-meteo.com/en/docs
# Code 	Description
# 0 	Clear sky
# 1, 2, 3 	Mainly clear, partly cloudy, and overcast
# 45, 48 	Fog and depositing rime fog
# 51, 53, 55 	Drizzle: Light, moderate, and dense intensity
# 56, 57 	Freezing Drizzle: Light and dense intensity
# 61, 63, 65 	Rain: Slight, moderate and heavy intensity
# 66, 67 	Freezing Rain: Light and heavy intensity
# 71, 73, 75 	Snow fall: Slight, moderate, and heavy intensity
# 77 	Snow grains
# 80, 81, 82 	Rain showers: Slight, moderate, and violent
# 85, 86 	Snow showers slight and heavy
# 95 * 	Thunderstorm: Slight or moderate
# 96, 99 * 	Thunderstorm with slight and heavy hail

# Map the above WMO codes to index of icon in 3x3 spritesheet
WMO_CODE_TO_ICON = (
    (0,),  # 0 = sunny
    (1,),  # 1 = partly sunny/cloudy
    (2, 3, 45, 48,),  # 2 = cloudy/very cloudy/fog
    (61, 63, 65, 51, 53, 55, 80, 81, 82),  # 4 = rain/showers
    (95, 96, 99),  # 6 = storms
    (56, 57, 66, 67, 71, 73, 75, 77, 85, 86),  # 7 = snow
)

# ----------------------------
# Backgrounnd bitmap
# ----------------------------
gc.collect()
splash = displayio.Group()
bitmap = displayio.OnDiskBitmap(BACKGROUND_BMP)
tile_grid = displayio.TileGrid(bitmap, pixel_shader=bitmap.pixel_shader)
splash.append(tile_grid)
display.root_group = splash
print("got background")

# ----------------------------
# Weather icons sprite sheet
# ----------------------------
gc.collect()
icons_large_bmp, icons_large_pal = adafruit_imageload.load(ICONS_LARGE_FILE)
print("got icon sheet")

# /////////////////////////////////////////////////////////////////////////
#  helper functions

def temperature_text(tempC):
    if METRIC:
        return "{:3.0f}C".format(tempC)
    else:
        return "{:3.0f}F".format(32.0 + 1.8 * tempC)


def update_today(data):
    """Update today weather info."""
    # date text
    s = data["daily"]["time"][0] + data["utc_offset_seconds"]
    t = time.localtime(s)
    today_day.text = "{}".format(
        DAYS[t.tm_wday].upper())
    print(today_day.text)
    today_date.text = "{} {}, {}".format(
        MONTHS[t.tm_mon - 1].upper(), t.tm_mday, t.tm_year
    )
    # weather icon
    w = data["daily"]["weather_code"][0]
    today_icon[0] = next(i for i, t in enumerate(WMO_CODE_TO_ICON) if w in t)
    # temperatures
    today_temp.text = f"H: {temperature_text(data['daily']['temperature_2m_max'][0])} "
    today_temp.text += f"L: {temperature_text(data['daily']['temperature_2m_min'][0])}"
    # sunrise/set
    sr = time.localtime(data["daily"]["sunrise"][0] + data["utc_offset_seconds"])
    ss = time.localtime(data["daily"]["sunset"][0] + data["utc_offset_seconds"])
    today_sunrise.text = "{:2d}:{:02d} AM".format(sr.tm_hour, sr.tm_min)
    today_sunset.text = "{:2d}:{:02d} PM".format(ss.tm_hour - 12, ss.tm_min)

# ===========
# U I
# ===========
print("making ui")
today_day = label.Label(font, text="?" * 30, color=0x000000)
today_day.anchor_point = (0.5, 0)
today_day.anchored_position = (DISPLAY_WIDTH / 2, 106)
today_date = label.Label(font, text="?" * 30, color=0x000000)
today_date.anchor_point = (0.5, 0)
today_date.anchored_position = (DISPLAY_WIDTH / 2, 140)

location_name = label.Label(font, color=0x000000)
if CITY:
    location_name.text = f"{CITY[:16]}"
else:
    location_name.text = f"({LAT},{LON})"
location_name.anchor_point = (0.5, 0)
location_name.anchored_position = (DISPLAY_WIDTH / 2, 210)

today_icon = displayio.TileGrid(
    icons_large_bmp,
    pixel_shader=icons_large_pal,
    x=203,
    y=275,
    width=1,
    height=1,
    tile_width=74,
    tile_height=74,
)
today_icon.x = int(DISPLAY_WIDTH / 2 - today_icon.tile_width / 2)

today_temp = label.Label(font, text="H: +100F", color=0x000000)
today_temp.anchor_point = (0, 0)
today_temp.anchored_position = (163, 415)

today_sunrise = label.Label(font, text="12:12 PM", color=0x000000)
today_sunrise.anchor_point = (0, 0)
today_sunrise.anchored_position = (202, 520)

today_sunset = label.Label(font, text="12:12 PM", color=0x000000)
today_sunset.anchor_point = (0, 0)
today_sunset.anchored_position = (202, 614)
today_banner = displayio.Group()
today_banner.append(today_day)
today_banner.append(today_date)
today_banner.append(location_name)
today_banner.append(today_icon)
today_banner.append(today_temp)
today_banner.append(today_sunrise)
today_banner.append(today_sunset)

display.root_group.append(today_banner)

# ===========
#  M A I N
# ===========
gc.collect()
print("Updating...")
update_today(forecast_data)

print("Refreshing...")
time.sleep(display.time_to_refresh + 1)
display.refresh()
time.sleep(display.time_to_refresh + 1)

print("Sleeping...")
wake_alarm = alarm.wake_alarm
pin_alarm = alarm.pin.PinAlarm(pin=board.BUTTON, value=False, pull=True)
alarm.exit_and_deep_sleep_until_alarms(pin_alarm)
#  entire code will run again