ML-166: First working implementation
This commit is contained in:
Claudio Ortolina
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# Presto Music Library - Records On This Day
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A MicroPython application for the [Pimoroni Presto](https://shop.pimoroni.com/products/presto?variant=54894104019323) (RP2350B, 720×720 touch display, WiFi) that connects to the Music Library API and lets you browse your record collection by release date.
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## Features
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- **Month calendar** — 7×6 grid with day-of-week headers, today highlight
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- **Tap a day** — see records released on that date with cover art, titles, and artist names
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- **Month navigation** — arrow buttons to browse previous/future months
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- **WiFi auto-connect** — connects on boot with retry logic
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- **NTP time sync** — calendar always shows the correct date
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- **Error handling** — graceful messages when the server is unreachable or images fail to load
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## Requirements
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- Pimoroni Presto running stock firmware (MicroPython + PicoGraphics + touch driver)
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- WiFi network with internet access
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- A valid API token for the Music Library API
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## Setup
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### 1. Create secrets.py
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```bash
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cp config.example.py secrets.py
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```
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Edit `secrets.py` and fill in your credentials:
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```python
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WIFI_SSID = "your-wifi-ssid"
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WIFI_PASSWORD = "your-wifi-password"
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API_TOKEN = "your-api-token"
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```
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> `secrets.py` is git-ignored and never committed.
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### 2. Deploy to your Presto
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Copy the files to the root of your Presto's flash storage. You can use Thonny, `mpremote`, or any MicroPython file transfer tool.
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**Using `mpremote`:**
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```bash
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# Install mpremote if you don't have it
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pip install mpremote
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# Copy files to the Presto
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mpremote fs cp main.py :main.py
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mpremote fs cp secrets.py :secrets.py
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# Reset the device to start the app
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mpremote reset
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```
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**Using Thonny:**
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1. Open Thonny and select "MicroPython (Raspberry Pi Pico)" as the interpreter
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2. Open `main.py` and `secrets.py` in Thonny
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3. Use File → Save Copy → Raspberry Pi Pico to save each file to the device
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4. Press the reset button on the Presto, or use Run → Send EOF / Soft Reboot
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### 3. The app starts automatically
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The Presto runs `main.py` on boot. The app will:
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1. Show a startup screen
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2. Connect to WiFi (showing progress)
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3. Sync time via NTP
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4. Display the current month calendar
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## Usage
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### Month view
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- **Today's date** is highlighted in blue
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- Tap **← →** arrows to navigate months
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- Tap any **day cell** to see records released on that date
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### Day view
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- Shows up to 4 records per screen with **cover art**, **title**, and **artists**
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- Tap **< Back** to return to the month view
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- If there are more than 4 records, use **^ v** arrows to scroll
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### Error states
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- **"Could not reach server"** — the API is unreachable. Tap anywhere on the day view to retry, or tap Back to return to the month view.
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- **"WiFi connection failed"** — WiFi credentials are wrong or the network is down. The app retries every 10 seconds.
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- **Grey placeholder** in place of cover art — the image could not be loaded (network issue or invalid URL). The rest of the record info is still shown.
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## Files
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```
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presto/
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main.py # Application entry point (auto-runs on boot)
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config.example.py # Template for secrets.py
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secrets.py # Your credentials (git-ignored, create from example)
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README.md # This file
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```
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## Troubleshooting
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| Symptom | Likely cause | Fix |
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|---------|-------------|-----|
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| Stuck on "secrets.py not found" | `secrets.py` not on the device | Copy `config.example.py` to `secrets.py` and deploy it |
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| Stuck on "WiFi connection failed" | Wrong SSID/password, or network down | Check `secrets.py` credentials; verify network is up |
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| "Could not reach server" on day tap | API token invalid, or server down | Check `API_TOKEN` in `secrets.py`; verify the server is running |
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| Images show as grey rectangles | JPEG decoder not available, or image URLs unreachable | Check firmware version; ensure Presto has internet access |
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| Touch not responding | Firmware touch API mismatch | Try updating Presto firmware to the latest version |
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## API Endpoint
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The app talks to:
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```
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GET https://music-library.claudio-ortolina.org/api/v1/collection/on_this_day?date=YYYY-MM-DD
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Authorization: Bearer <API_TOKEN>
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```
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Response format:
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```json
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{
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"records": [
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{
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"id": "...",
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"title": "Album Title",
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"artists": ["Artist Name"],
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"thumb_url": "https://.../api/v1/assets/thumb.jpg?width=480",
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"release_date": "1973-03-01",
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"genres": ["Rock"],
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"format": "Vinyl"
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}
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]
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}
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```
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## License
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This application is part of the Music Library project.
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@@ -0,0 +1,20 @@
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# config.example.py — Template for secrets.py
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# ==============================================
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# Copy this file to secrets.py and fill in your values.
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# secrets.py is git-ignored; never commit it.
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#
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# To deploy to your Presto:
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# 1. Copy this file: cp config.example.py secrets.py
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# 2. Edit secrets.py with your credentials
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# 3. Copy secrets.py to the Presto alongside main.py
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#
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# --- Required variables ---
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# Your WiFi network name (SSID)
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WIFI_SSID = "your-wifi-ssid"
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# Your WiFi password
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WIFI_PASSWORD = "your-wifi-password"
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# Music Library API token (get it from the app admin)
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API_TOKEN = "your-api-token"
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[tools]
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"uv" = "latest"
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"pipx:mpremote" = "latest"
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[tasks.presto]
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run = '''
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mpremote fs cp records_on_the_day.py :main.py
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mpremote reset
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'''
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dir = "{{cwd}}"
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File diff suppressed because it is too large
Load Diff
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# ICON schedule
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# NAME Word Clock
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# DESC No hands!
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import time
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import machine
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import ntptime
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import pngdec
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from presto import Presto
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# Setup for the Presto display
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presto = Presto()
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display = presto.display
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WIDTH, HEIGHT = display.get_bounds()
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BLACK = display.create_pen(0, 0, 0)
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WHITE = display.create_pen(200, 200, 200)
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GRAY = display.create_pen(30, 30, 30)
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# Clear the screen before the network call is made
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display.set_pen(BLACK)
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display.clear()
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presto.update()
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# Length of time between updates in minutes.
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UPDATE_INTERVAL = 15
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rtc = machine.RTC()
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time_string = None
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words = ["it", "d", "is", "m", "about", "lv", "half", "c", "quarter", "b", "to", "past", "n", "one",
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"two", "three", "four", "five", "six", "eleven", "ten", "d", "qdh", "eight", "seven", "rm", "twelve", "nine", "p", "ncsnheypresto", "O'Clock", "agrdsp"]
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def show_message(text):
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display.set_pen(BLACK)
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display.clear()
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display.set_pen(WHITE)
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display.text(f"{text}", 5, 10, WIDTH, 2)
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presto.update()
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show_message("Connecting...")
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try:
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wifi = presto.connect()
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except ValueError as e:
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while True:
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show_message(e)
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except ImportError as e:
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while True:
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show_message(e)
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# Set the correct time using the NTP service.
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try:
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ntptime.settime()
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except OSError:
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while True:
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show_message("Unable to get time.\n\nCheck your network try again.")
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def approx_time(hours, minutes):
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nums = {0: "twelve", 1: "one", 2: "two",
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3: "three", 4: "four", 5: "five", 6: "six",
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7: "seven", 8: "eight", 9: "nine", 10: "ten",
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11: "eleven", 12: "twelve"}
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if hours == 12:
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hours = 0
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if minutes >= 0 and minutes < 8:
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return "it is about " + nums[hours] + " O'Clock"
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if minutes >= 8 and minutes < 23:
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return "it is about quarter past " + nums[hours]
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if minutes >= 23 and minutes < 38:
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return "it is about half past " + nums[hours]
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if minutes >= 38 and minutes < 53:
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return "it is about quarter to " + nums[hours + 1]
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return "it is about " + nums[hours + 1] + " O'Clock"
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def update():
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global time_string
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# grab the current time from the ntp server and update the Pico RTC
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try:
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ntptime.settime()
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except OSError:
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print("Unable to contact NTP server")
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current_t = rtc.datetime()
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time_string = approx_time(current_t[4] - 12 if current_t[4] > 12 else current_t[4], current_t[5])
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# Splits the string into an array of words for displaying later
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time_string = time_string.split()
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print(time_string)
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def draw():
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global time_string
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display.set_font("bitmap8")
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display.set_layer(1)
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# Clear the screen
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display.set_pen(BLACK)
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display.clear()
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default_x = 25
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x = default_x
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y = 35
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line_space = 20
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letter_space = 15
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margin = 25
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scale = 1
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spacing = 1
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for word in words:
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if word in time_string:
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display.set_pen(WHITE)
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else:
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display.set_pen(GRAY)
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for letter in word:
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text_length = display.measure_text(letter, scale, spacing)
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if not x + text_length <= WIDTH - margin:
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y += line_space
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x = default_x
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display.text(letter.upper(), x, y, WIDTH, scale=scale, spacing=spacing)
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x += letter_space
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presto.update()
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# Set the background in layer 0
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# This means we don't need to decode the image every frame
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display.set_layer(0)
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try:
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p = pngdec.PNG(display)
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p.open_file("wordclock_background.png")
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p.decode(0, 0)
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except OSError:
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display.set_pen(BLACK)
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display.clear()
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while True:
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update()
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draw()
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time.sleep(60 * UPDATE_INTERVAL)
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