LED-Matrix ansteuern

from adafruit_max7219 import matrices
import board
import busio
import digitalio
import time

# Maxtrixdisplay initialisieren
cs = digitalio.DigitalInOut(board.A4)
spi = busio.SPI(board.RX, MOSI=board.TX)
matrix = matrices.Matrix8x8(spi, cs)

while True:
    matrix.brightness(3)

    matrix.fill(1)
    matrix.pixel(3, 3)
    matrix.pixel(3, 4)
    matrix.pixel(4, 3)
    matrix.pixel(4, 4)
    matrix.show()
    time.sleep(1.0)
    matrix.scroll(-1, -1)
    matrix.show()
    time.sleep(1.0)

    matrix.clear_all()
    s = 'Hello, World!'
    for c in range(len(s)*8):
        matrix.fill(0)
        matrix.text(s,-c,0)
        matrix.show()
        time.sleep(0.05)

from adafruit_max7219 import matrices
import board
import busio
import digitalio
import time

# Maxtrixdisplay initialisieren
cs = digitalio.DigitalInOut(board.A4)
spi = busio.SPI(board.RX, MOSI=board.TX)
matrix = matrices.Matrix8x8(spi, cs)

# Alle LED-Pixel ausschalten
matrix.fill(0)
matrix.show()

# Pause zwischen den Bildern
frame_delay = 0.5

# Aktuelle Bildnummer
bild_nummer = 0

# Bilder der Animation als Liste von Listen von Listen
animation = [
    # frame 0 - alien #1 frame 1
    [
        [0, 0, 0, 1, 1, 0, 0, 0],
        [0, 0, 1, 1, 1, 1, 0, 0],
        [0, 1, 1, 1, 1, 1, 1, 0],
        [1, 1, 0, 1, 1, 0, 1, 1],
        [1, 1, 1, 1, 1, 1, 1, 1],
        [0, 0, 1, 0, 0, 1, 0, 0],
        [0, 1, 0, 1, 1, 0, 1, 0],
        [1, 0, 1, 0, 0, 1, 0, 1]
    ],
    # frame 1 - alien #1 frame 2
    [
        [0, 0, 0, 1, 1, 0, 0, 0],
        [0, 0, 1, 1, 1, 1, 0, 0],
        [0, 1, 1, 1, 1, 1, 1, 0],
        [1, 1, 0, 1, 1, 0, 1, 1],
        [1, 1, 1, 1, 1, 1, 1, 1],
        [0, 0, 1, 0, 0, 1, 0, 0],
        [0, 1, 0, 1, 1, 0, 1, 0],
        [0, 1, 0, 0, 0, 0, 1, 0]
    ]
]

while True:

    for x in range(8):
        for y in range(8):
            matrix.pixel(x, y, animation[bild_nummer][x][y])
    
    # next animation frame
    bild_nummer = bild_nummer + 1

    # show animation
    matrix.show()

    # pause for effect
    time.sleep(frame_delay)

    if bild_nummer == len(animation):
        bild_nummer = 0

1from adafruit_max7219 import matrices
2import board
3import busio
4import digitalio
5from adafruit_debouncer import Debouncer
6import time
7import random
8
9button1 = digitalio.DigitalInOut(board.D10)
10button2 = digitalio.DigitalInOut(board.D11)
11button3 = digitalio.DigitalInOut(board.D12)
12button4 = digitalio.DigitalInOut(board.D13)
13button1.switch_to_input(pull=digitalio.Pull.DOWN)
14button2.switch_to_input(pull=digitalio.Pull.DOWN)
15button3.switch_to_input(pull=digitalio.Pull.DOWN)
16button4.switch_to_input(pull=digitalio.Pull.DOWN)
17button1_d = Debouncer(button1)
18button2_d = Debouncer(button2)
19button3_d = Debouncer(button3)
20button4_d = Debouncer(button4)
21
22# Maxtrixdisplay initialisieren
23cs = digitalio.DigitalInOut(board.A4)
24spi = busio.SPI(board.RX, MOSI=board.TX)
25matrix = matrices.Matrix8x8(spi, cs)
26
27# Maximale Helligkeit
28matrix.brightness(3)
29# Alle LED-Pixel ausschalten
30matrix.clear_all()
31matrix.show()
32
33# Eine Liste speichert die Koordinaten der Schlangensegmente.
34# Erstes Element ist der Kopf.
35snake = [(3,3),(3,4)]
36direction = (0,-1)
37foods = []
38maxfood = 4
39
40def drawSnake():
41    for segment in snake:
42        matrix.pixel(segment[0],segment[1], 1)
43    matrix.show()
44
45def moveHead(x, y):
46    global direction
47    (oldhead_x, oldhead_y) = snake[0]
48    newhead = ((oldhead_x + x) % 8, (oldhead_y + y) % 8)
49
50    for segment in snake:
51        if segment == newhead: # Game Over
52            gameOver()
53            return
54
55    direction = (x, y)
56    snake.insert(0, newhead)
57    matrix.pixel(newhead[0],newhead[1], 1)
58    matrix.show()
59
60    if not eatFood():
61        removeTail()
62
63
64def removeTail():
65    tail = snake.pop()
66    matrix.pixel(tail[0], tail[1], 0)
67    matrix.show()
68
69def eatFood():
70    for food in foods:
71        if snake[0] == food:
72            foods.remove(food)
73            return True
74    return False
75
76def newFood():
77    x = random.randint(0, 7)
78    y = random.randint(0, 7)
79    for segment in snake:
80        if segment == (x, y):
81            return
82    if len(foods) >= maxfood:
83        return
84    foods.append((x,y))
85    matrix.pixel(x, y, 1)
86    matrix.show()
87
88def gameOver():
89    global snake
90    global direction
91    global food
92
93    matrix.clear_all()
94    s = 'Game Over!'
95    for c in range(len(s)*8):
96        matrix.fill(0)
97        matrix.text(s,-c,0)
98        matrix.show()
99        time.sleep(0.05)
100    matrix.clear_all()
101
102    snake = [(3,3),(3,4)]
103    direction = (0, -1)
104    food = []
105    drawSnake()
106    lastFood = time.monotonic()
107    lastMove = time.monotonic()
108
109
110lastFood = time.monotonic()
111lastMove = time.monotonic()
112drawSnake()
113
114while True:
115    button1_d.update()
116    button2_d.update()
117    button3_d.update()
118    button4_d.update()
119
120    if button1_d.rose:
121        direction = (0, 1)
122
123    if button2_d.rose:
124        direction = (1, 0)
125
126    if button3_d.rose:
127        direction = (-1, 0)
128
129    if button4_d.rose:
130        direction = (0, -1)
131
132    if (time.monotonic() - lastFood) > 5:
133        newFood()
134        lastFood = time.monotonic()
135
136    if (time.monotonic() - lastMove) > 0.3:
137        moveHead(*direction)
138        lastMove = time.monotonic()
139