touchpi Magic Mirror Custom Code

Start up code in /home/pi/mm.sh this shell scrip is run automatically at startup using pm2 (program manager 2) start

cd ~/MagicMirror
DISPLAY=:0 npm start
          

Start up code rpi-rgb-led-matrix in /etc/rc.local

sudo /home/pi/rpi-rgb-led-matrix/bindings/python/samples/text.sh 2>&1 > /home/pi/textlog.log &
          

Start shell /home/pi/rpi-rgb-led-matrix/bindings/python/samples/text.sh

sudo python /home/pi/rpi-rgb-led-matrix/bindings/python/samples/runtext.py --led-rows=16 --led-cols=32 --led-chain=2 --led-slowdown-gpio=2 --led-gpio-mapping=adafruit-hat-pwm --led-pwm-bits=11 --led-scan-mode=1 --led-brightness=75 --led-pixel-mapper=Rotate:180
          

Custom matrix code in /home/pi/rpi-rgb-led-matrix/bindings/python/samples/runtext.py

#!/usr/bin/env python
# Display a runtext with double-buffering.
from samplebase import SampleBase
from rgbmatrix import graphics
import time
import os, random
import feedparser
from random import shuffle


items=[]
feeds=[
    #enter all news feeds you want here
    "http://feeds.reuters.com/reuters/topNews",
    "http://feeds.foxnews.com/foxnews/latest"
    #"http://www.fda.gov/AboutFDA/ContactFDA/StayInformed/RSSFeeds/PressReleases/rss.xml",
    #"http://www.fiercepharma.com/feed",
    #"http://www.fiercebiotech.com/feed",
    ]




class RunText(SampleBase):
    def __init__(self, *args, **kwargs):
        super(RunText, self).__init__(*args, **kwargs)
        self.parser.add_argument("-t", "--text", help="The text to scroll on the RGB LED panel", default="Hello world!")

    def run(self):
        offscreen_canvas = self.matrix.CreateFrameCanvas()
        font = graphics.Font()
        font.LoadFont("/home/pi/rpi-rgb-led-matrix/fonts/9x18B.bdf")
        #font.LoadFont("/home/pi/rpi-rgb-led-matrix/fonts/9x18.bdf")
        textColor = graphics.Color(255, 255, 0)
        pos = offscreen_canvas.width
        #createLinks()
        my_text = self.args.text

        while True:
            try:
                populateItems()
                for idx, item in enumerate(items):
                    #print item["title"]
                    my_text = unicode(item["title"])
                    r,g,b = randCol(idx)
                    textColor =  graphics.Color(r, g, b)
                    len = 0
                    pos = offscreen_canvas.width
                    while pos + len:
                        offscreen_canvas.Clear()
                        len = graphics.DrawText(offscreen_canvas, font, pos, 13, textColor, my_text)
                        #print("pos:", pos, "len:", len)
                        pos -= 1
                        if (pos + len < 0):
                           pos = offscreen_canvas.width

                        time.sleep(0.010)#org 0.05
                        offscreen_canvas = self.matrix.SwapOnVSync(offscreen_canvas)
            except ValueError:
                print("Bummer :( I couldn't make you 'dem links :(")
            finally:
                print("\nNews Feeds updated from:!\n\n")

def colorRed():
    return (255, 0, 0)

def colorGreen():
    return (0, 255, 0)

def colorBlue():
    return (0, 0, 255)

def colorRandom():
    return (random.randint(0,255), random.randint(0,255), random.randint(0,255))

def populateItems():
    #first clear out everything
    del items[:]
    for url in feeds:
        print url
        feed=feedparser.parse(url)
        posts=feed["items"]
        for post in posts:
            items.append(post)
    shuffle(items)

def randCol(index = -1):
    if index % 3 == 0:
        return colorRed()
    elif index % 3 == 1:
        return colorGreen()
    elif index % 3 == 2:
        return colorBlue()
    else:
        return colorRandom()

# Main function
if __name__ == "__main__":
    run_text = RunText()
    if (not run_text.process()):
        run_text.print_help()