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# Led Matrix Display Example
#
# Created: 2017-02-24 12:48:43.342375
#
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import streams
# import MAX7219 library to handle 8x8 led matrix
from maxim.max7219 import max7219
# import fonts file where matrix numbers are defined
import fonts
# Create a serial console
streams.serial()
# Setup Led Matrix (8x8 Click on slot A of a Flip n Click device)
display = max7219.MAX7219(SPI0, D17)
# counter variable
num = 0
display.shutdown(False)
intensity = 9
display.set_intensity(intensity)
while True:
for num in range(10):
# increment the intensity
intensity += 1
if intensity > 15:
intensity = 0
display.set_intensity(intensity)
print("Display Number:", num, " with light intensity:", intensity)
# print the maxi number on led matrix
for row in range(8):
for col in range(8):
if fonts.numbers[num][row][col]:
display.set_led(row, col, 1)
else:
display.set_led(row, col, 0)
sleep(2000)
# Test print row and print column
display.clear_display()
print("Reload...")
display.set_row(1,1)
sleep(500)
display.set_column(1,1)
sleep(500)
display.set_row(6,1)
sleep(500)
display.set_column(6,1)
sleep(500)