moved variables to global config
parent
a5dbf46e29
commit
020e879810
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# this is just python syntax.
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# Edit this file and enter the network name for your Wifi in SSID
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# Enter the password for your Wifi network in the PSK
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# Set the COUNTRY to the country code of your local country (yes, this matters!)
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SSID = "Example_Network"
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PSK = "Example_Password"
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COUNTRY = "US" # Change to your local two-letter ISO 3166-1 country code
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# URL that has the image
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IMG_URL = "http://home.example.com:8123/local/image.png"
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# Length of time between updates in minutes.
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# Frequent updates will reduce battery life!
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UPDATE_INTERVAL = 60
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# Filename on the SD card for the image. Probably doesn't need changing.
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FILENAME = "/sd/frame.png"
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# tz_offset is hours from GMT. E.g., US PST is -7 (UTC-07:00) and CEST (Paris) is 1 (UTC+01:00)
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TZ_OFFSET = -5
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# this is just python syntax.
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# Edit this file and enter the network name for your Wifi in SSID
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# Enter the password for your Wifi network in the PSK
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# Set the COUNTRY to the country code of your local country (yes, this matters!)
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SSID = "Example_Network"
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PSK = "Example_Password"
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COUNTRY = "US" # Change to your local two-letter ISO 3166-1 country code
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# inky-lovelace.py: Fetch a lovelace dashboard and display it on an inky-frame.
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# Copyright (C) 2023 Paco Hope <github@filter.paco.to>
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#
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# This program is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# See LICENSE.md for details.
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"""
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Copy a PNG into the root of the pico from a known URL
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Display it.
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Sleep
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"""
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from picographics import PicoGraphics, DISPLAY_INKY_FRAME as DISPLAY # 5.7"
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from urllib import urequest
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from machine import Pin, SPI
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from network_manager import NetworkManager
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import time
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import inky_frame
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import pngdec
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import gc
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import sdcard
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import os
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import CONFIG
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import inky_frame
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import uasyncio
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global graphics
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def display_image(j, CONFIG.FILENAME):
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# Open the PNG file
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j.open_file(CONFIG.FILENAME)
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# Decode the PNG
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j.decode()
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# write the date/time at the top
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year, month, day, hour, minute, second, dow, _ = time.localtime(time.time())
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graphics.set_pen(0)
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graphics.set_font('sans')
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# display.text(text, x, y, wordwrap, scale, angle, spacing)
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graphics.text(f"{hour:02}:{minute:02} {year}-{month}-{day}", 230, 10, scale=0.5)
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gc.collect()
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def show_error(text,y):
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WIDTH = 600
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HEIGHT = 0 + 20 * y
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graphics.set_pen(4)
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graphics.rectangle(0, HEIGHT, WIDTH, 35)
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graphics.set_pen(1)
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graphics.text(text, 5, 16 + HEIGHT, 400, 2)
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gc.collect()
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def fetch(url):
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""" Fetch the image, store it onboard.
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Returns False at first error.
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Returns True only if everything succeeds.
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"""
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inky_frame.button_b.led_on()
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network_manager = NetworkManager(CONFIG.COUNTRY, status_handler=status_handler, client_timeout=60)
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try:
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uasyncio.get_event_loop().run_until_complete(network_manager.client(CONFIG.SSID, CONFIG.PSK))
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except RuntimeError:
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pass
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except Exception as e:
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print("join network failed")
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print(e)
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inky_frame.button_b.led_off()
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return False
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inky_frame.button_b.led_off()
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year, month, day, hour, minute, second, dow, _ = time.localtime(time.time())
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print(f"{hour:02}:{minute:02} {year}-{month}-{day}")
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if year < 2023:
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# blink b when we are setting the time
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inky_frame.button_b.led_on()
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inky_frame.set_time() # set time from network
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inky_frame.button_b.led_off()
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tz_seconds = (CONFIG.TZ_OFFSET * 3600)
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year, month, day, hour, minute, second, dow, _ = time.localtime(time.time() + tz_seconds)
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# don't bother updating before 06:00 or after 23:00
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if hour < 5 or hour > 22:
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print("no need to fetch")
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return False
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del year, month, day, hour, minute, second, tz_seconds
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print( "fetching " + url )
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inky_frame.button_c.led_on()
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try:
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# Grab the image
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socket = urequest.urlopen(url)
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gc.collect()
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except OSError as e:
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print("Unable open URL. OSErr: ")
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print(e)
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except Exception as e:
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print("other exception")
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print(e)
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return False
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os.remove(CONFIG.FILENAME)
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inky_frame.button_c.led_off()
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inky_frame.button_d.led_on()
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try:
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data = bytearray(1024)
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with open(CONFIG.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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else:
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print(".", end="" )
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f.write(data)
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socket.close()
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del data
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except Exception as e:
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print("Unable to write file")
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print(e)
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return False
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del socket
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inky_frame.button_d.led_off()
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gc.collect()
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return True
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def status_handler(mode, status, ip):
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print(mode, status, ip)
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def mount_sd():
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# set up the SD card
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try:
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sd_spi = SPI(0, sck=Pin(18, Pin.OUT), mosi=Pin(19, Pin.OUT), miso=Pin(16, Pin.OUT))
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sd = sdcard.SDCard(sd_spi, Pin(22))
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os.mount(sd, "/sd")
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except Exception as e:
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print("mounting SD card")
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print(e)
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files = os.listdir("/sd")
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if len(files) == 0:
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show_error("SD didn't mount?", 5)
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del files
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while True:
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graphics = None
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gc.collect()
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inky_frame.led_busy.off()
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inky_frame.button_a.led_off()
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inky_frame.button_b.led_off()
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inky_frame.button_c.led_off()
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inky_frame.button_d.led_off()
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inky_frame.button_e.led_off()
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inky_frame.led_busy.on()
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inky_frame.button_a.led_on()
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mount_sd()
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gc.collect()
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inky_frame.button_a.led_off()
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if fetch(CONFIG.IMG_URL):
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gc.collect()
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inky_frame.button_e.led_on()
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# set up the display
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graphics = PicoGraphics(DISPLAY)
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# Create a new PNG decoder for our PicoGraphics
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j = pngdec.PNG(graphics)
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display_image(j, CONFIG.FILENAME)
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# Display the result
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graphics.update()
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inky_frame.button_e.led_off()
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inky_frame.led_busy.off()
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# Go to sleep if on battery power
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inky_frame.button_a.led_off()
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inky_frame.button_b.led_off()
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inky_frame.button_c.led_off()
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inky_frame.button_d.led_off()
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inky_frame.button_e.led_off()
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inky_frame.sleep_for(CONFIG.UPDATE_INTERVAL)
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