def __init__(self):
# Initialise library
LEDMatrix.init()
# Clear the whole display
LEDMatrix.clear_all()
# Reset brightness
LEDMatrix.brightness(3)
def __init__(self, state, flag):
self.state = state
self.flag = flag
# Initialise library
LEDMatrix.init()
# Clear the whole display
LEDMatrix.clear_all()
# Reset brightness
LEDMatrix.brightness(3)
def display_messages(messages):
LEDMatrix.init()
try:
LEDMatrix.brightness(3)
LEDMatrix.scroll_message_horiz([messages])
LEDMatrix.clear_all()
except KeyboardInterrupt:
LEDMatrix.scroll_message_horiz(["", "Have a good PyDay!", ""], 1, 8)
LEDMatrix.clear_all()
from random import randrange
import serial, string, time
import MySQLdb
# Import library
import multilineMAX7219 as LEDMatrix
# Import fonts
from multilineMAX7219_fonts import CP437_FONT, SINCLAIRS_FONT, LCD_FONT, TINY_FONT
# The following imported variables make it easier to feed parameters to the library functions
from multilineMAX7219 import DIR_L, DIR_R, DIR_U, DIR_D
from multilineMAX7219 import DIR_LU, DIR_RU, DIR_LD, DIR_RD
from multilineMAX7219 import DISSOLVE, GFX_ON, GFX_OFF, GFX_INVERT
# Initialise the library and the MAX7219/8x8LED arrays
LEDMatrix.init()
ser = serial.Serial('/dev/ttyUSB0', 9600, 8, 'N', 1, timeout=1)
db = MySQLdb.connect("localhost", "root", "104403011", "sensorData")
cur = db.cursor()
cur.execute(
"SELECT mq2,mq7,mq131,mq135,mq136,pm1,pm25,pm10 FROM sensorData.systemdata"
)
def warn():
a = 0
b = 1
sad = [[b, b, b, b, b, b, b, b], [b, a, b, b, b, b, b, b],
[b, b, a, b, b, a, b, b], [b, b, a, b, b, b, b, b],
[b, b, a, b, b, b, b, b], [b, b, a, b, b, a, b, b],
[b, a, b, b, b, b, b, b], [b, b, b, b, b, b, b, b]]
DIR_L = Point(-1,0) # Make sure you set these correct in multilineMAX7219.py WIDTH = 8*LEDMatrix.MATRIX_WIDTH-1 HEIGHT = 8*LEDMatrix.MATRIX_HEIGHT-1 tail = [Point(WIDTH//2, HEIGHT//2)] start = randrange(2) direction = Point(start, 1 - start) # init direction target = Point() running = True # loop variable speed = 0.3 # getting faster, the longer the snake is wasDisplayed = True # to allow only one new direction per frame LEDMatrix.init() def display(): # displays all on the LED Matrices LEDMatrix.gfx_set_all(GFX_OFF) for p in tail: LEDMatrix.gfx_set_px(int(p.x), int(p.y), GFX_ON) LEDMatrix.gfx_set_px(int(target.x), int(target.y), GFX_ON) LEDMatrix.gfx_render() global wasDisplayed wasDisplayed = True def setTarget(): # sets a new target, which is not in the tail of the snake global target