def show(matrix, image, dx=0, dy=0):
''' show(matrix, image, dx=0, dy=0)'''
for y, row in enumerate(image):
bit = 1
for x in range(8):
matrix.pixel(dx + x, dy + y, row & bit)
bit <<= 1
matrix.show()
def play(frames=f, delay=.05, tf=id):
for f in frames:
for y, row in enumerate(f):
for x, mask in enumerate(xMask):
pixel = row & mask == mask
xPx, yPx, pixel = tf(x, y, pixel)
if pixel:
matrix.pixel(xPx, yPx, 1)
else:
matrix.pixel(xPx, yPx, 0)
matrix.show()
time.sleep(delay)
def play(frames=f, delay=.05, rotate=standard):
for frame in frames:
for y, row in enumerate(frame):
for x, mask in enumerate(xMask):
pixel = row & mask == mask
xPix, yPix, pixel = rotate(x, y, pixel)
if pixel:
matrix.pixel(xPix, yPix, 1)
else:
matrix.pixel(xPix, yPix, 0)
matrix.show()
time.sleep(delay)
[0, 0, 0, 1, 1, 0, 0, 0], [1, 0, 1, 1, 1, 1, 0, 1],
[1, 1, 1, 0, 0, 1, 1, 1], [1, 1, 0, 1, 1, 0, 1, 1],
[1, 1, 1, 0, 0, 1, 1, 1], [1, 1, 1, 1, 1, 1, 1, 1]],
]
#
# run until we are out of animation frames
# use Gemma's built-in reset button or switch to restart
#
# populate matrix
while True:
if frame_count < len(animation) and rep_count >= 0:
for x in range(x_pix):
for y in range(y_pix):
matrix.pixel(x, y, animation[frame_count][x][y])
# next animation frame
frame_count += 1
# show animation
matrix.show()
# pause for effect
time.sleep(frame_delay[frame_count])
else:
matrix.fill(0)
matrix.show()
time.sleep(.1)
# Import the HT16K33 LED matrix module. from adafruit_ht16k33 import matrix # Create the I2C interface. i2c = busio.I2C(SCL, SDA) # Create the matrix class. # This creates a 16x8 matrix: matrix = matrix.Matrix16x8(i2c) # Or this creates a 8x8 matrix: #matrix = matrix.Matrix8x8(i2c) # Or this creates a 8x8 bicolor matrix: #matrix = matrix.Matrix8x8x2(i2c) # Finally you can optionally specify a custom I2C address of the HT16k33 like: #matrix = matrix.Matrix16x8(i2c, address=0x70) # Clear the matrix. Always call show after changing pixels to make the display # update visible! matrix.fill(0) matrix.show() # Set a pixel in the origin 0,0 position. matrix.pixel(0, 0, 1) # Set a pixel in the middle 8, 4 position. matrix.pixel(8, 4, 1) # Set a pixel in the opposite 15, 7 position. matrix.pixel(15, 7, 1) matrix.show()
