kopia lustrzana https://github.com/pimoroni/pimoroni-pico
85 wiersze
2.1 KiB
Python
85 wiersze
2.1 KiB
Python
import WIFI_CONFIG
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from network_manager import NetworkManager
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import uasyncio
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from urllib import urequest
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from picographics import PicoGraphics, DISPLAY_INKY_PACK
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import jpegdec
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import random
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"""
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Grab a random image from PlaceKitten.com
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and display it on Inky Pack.
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Optionally cache to flash, if you need the RAM
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for something else.
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"""
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graphics = PicoGraphics(DISPLAY_INKY_PACK)
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WIDTH, HEIGHT = graphics.get_bounds()
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FILENAME = "placekitten.jpg"
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ENDPOINT = "http://placekitten.com/{0}/{1}"
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def status_handler(mode, status, ip):
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graphics.set_update_speed(3)
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graphics.set_pen(15)
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graphics.clear()
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graphics.set_pen(0)
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graphics.text("Network: {}".format(WIFI_CONFIG.SSID), 10, 10, scale=2)
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status_text = "Connecting..."
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if status is not None:
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if status:
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status_text = "Connection successful!"
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else:
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status_text = "Connection failed!"
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graphics.text(status_text, 10, 30, scale=2)
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graphics.text("IP: {}".format(ip), 10, 60, scale=2)
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graphics.update()
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graphics.set_font("bitmap8")
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graphics.set_update_speed(1)
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network_manager = NetworkManager(WIFI_CONFIG.COUNTRY, status_handler=status_handler)
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uasyncio.get_event_loop().run_until_complete(network_manager.client(WIFI_CONFIG.SSID, WIFI_CONFIG.PSK))
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url = ENDPOINT.format(WIDTH, HEIGHT + random.randint(0, 10))
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print("Requesting URL: {}".format(url))
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socket = urequest.urlopen(url)
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# Load the image data into RAM (if you have enough!)
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data = bytearray(1024 * 10)
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socket.readinto(data)
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socket.close()
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"""
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# Stream the image data from the socket onto disk in 1024 byte chunks
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# if you're doing something else RAM intensive you might want to use this!
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data = bytearray(1024)
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with open(FILENAME, "wb") as f:
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while True:
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if socket.readinto(data) == 0:
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break
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f.write(data)
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socket.close()
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"""
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jpeg = jpegdec.JPEG(graphics)
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jpeg.open_RAM(data)
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jpeg.decode(0, 0)
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graphics.set_pen(15)
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graphics.rectangle(0, HEIGHT - 14, WIDTH, 14)
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graphics.set_pen(0)
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graphics.text(url, 5, HEIGHT - 9, scale=1)
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graphics.set_update_speed(1)
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graphics.update()
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