led.init()
#led.show_message("Heyy!", transition = transitions.left_scroll)
#led.show_message("Heyy!", transition = transitions.up_scroll)
#for x in range(256):
# led.letter(x)
# time.sleep(0.1)
while True:
for x in range(200):
# canvas.set_on( randrange(4),1)
canvas.set_on(x % 8 , 1)
# canvas.set_on(sin((x*100) % 8 , 1)
canvas.scroll(2)
canvas.render()
time.sleep(0.1)
# canvas.clear()
# for x in range(500):
# canvas.set_off(randrange(8), randrange(8))
# canvas.scroll(randrange(16))
# canvas.render()
# time.sleep(0.01)
# for x in range(500):
# canvas.set_on(4, 4)
# canvas.scroll(randrange(8))
# canvas.render()
# time.sleep(0.01)
" " : [ 0, 0, 0] # space
} # create additional letters
def creatematrix(text):
text = str(text)
matrix = []
for i in range(len(text)): # write complete pixelmatrix in a buffer
if text[i].upper() in font5x3: # check if dictionary entry exists
matrix = matrix + font5x3[text[i].upper()] # add letter; upper()
matrix = matrix + [0] # add separator/space
return matrix
def drawmatrix(matrix, up=0, left=0):
for i in range(8): # fill the 8x8 matrix buffer canvas.gfxbuf
if up < 0:
canvas.gfxbuf[i] = matrix[(i + left) % len(matrix)] << abs(up) # move down
else:
canvas.gfxbuf[i] = matrix[(i + left) % len(matrix)] >> abs(up)
led.init()
horz = 0
vert = -2
speed = 15
led.brightness(0) # 0, 3, 7, 15 seems to work
while True:
m = creatematrix(time.strftime("%k:%M ")) # write temporary matrix m
horz = (horz + 1) % len(m) # scroll left
drawmatrix(m, vert, horz) # draw 8x8 frame into gfxbuf
canvas.render() # draw gfxbuf into matrix
time.sleep( 1.0 / speed ) # pause
import max7219.canvas as canvas
import max7219.transitions as transitions
import time
from random import randrange
led.init()
led.show_message("Hello world!", transition=transitions.left_scroll)
for x in range(256):
led.letter(x)
time.sleep(0.1)
while True:
# for x in range(500):
# canvas.set_on(randrange(8), randrange(8))
# canvas.scroll(randrange(16))
# canvas.render()
# time.sleep(0.01)
# for x in range(500):
# canvas.set_off(randrange(8), randrange(8))
# canvas.scroll(randrange(16))
# canvas.render()
# time.sleep(0.01)
for x in range(500):
canvas.set_on(4, 4)
canvas.scroll(randrange(8))
canvas.render()
time.sleep(0.01)
" " : [ 0, 0, 0] # space
} # create additional letters
def creatematrix(text):
text = str(text)
matrix = []
for i in range(len(text)): # write complete pixelmatrix in a buffer
if text[i].upper() in font5x3: # check if dictionary entry exists
matrix = matrix + font5x3[text[i].upper()] # add letter; upper()
matrix = matrix + [0] # add separator/space
return matrix
def drawmatrix(matrix, up=0, left=0):
for i in range(8): # fill the 8x8 matrix buffer canvas.gfxbuf
if up < 0:
canvas.gfxbuf[i] = matrix[(i + left) % len(matrix)] << abs(up) # move down
else:
canvas.gfxbuf[i] = matrix[(i + left) % len(matrix)] >> abs(up)
led.init()
horz = 0
vert = -2
speed = 15
led.brightness(0) # 0, 3, 7, 15 seems to work
while True:
m = creatematrix(time.strftime("%k:%M ")) # write temporary matrix m
horz = (horz + 1) % len(m) # scroll left
drawmatrix(m, vert, horz) # draw 8x8 frame into gfxbuf
canvas.render() # draw gfxbuf into matrix
time.sleep( 1.0 / speed ) # pause
