# import max7219
# from machine import Pin, SPI
# from time import sleep
# # Initialize SPI
# spi = SPI(0, baudrate=10000000, polarity=0, phase=0, sck=Pin(2), mosi=Pin(3))

# # Initialize the MAX7219 display with 1 matrix, using CS on GPIO 5
# display = max7219.Matrix8x8(spi, Pin(5), 4)

# display.brightness(10)

# scrolling_message = "SCROLLING"
# length = len(scrolling_message)
# column = (length * 8)

# display.fill(0)
# display.show()
# sleep(1)

# while True:
#     for x in range(32, -column, -1):     
#         display.fill(0)
#         display.text(scrolling_message ,x,0,1)
#         display.show()
#         sleep(0.1)


import max7219
from machine import Pin, SPI

# Initialize SPI
spi = SPI(0, baudrate=10000000, polarity=0, phase=0, sck=Pin(2), mosi=Pin(3))

# Initialize the MAX7219 display with 1 matrix
display = max7219.Matrix8x8(spi, Pin(5), 16)

# Clear the display
display.fill(0)

# Draw a horizontal line
# for x in range(8):
display.pixel(10, 7, 1)  # Line at y=3

# # Draw a vertical line
# for y in range(8):
#     display.pixel(4, y, 1)  # Line at x=4

display.show()

# import max7219
# from machine import Pin, SPI

# # Initialize SPI interface
# spi = SPI(0, baudrate=10000000, polarity=0, phase=0, sck=Pin(2), mosi=Pin(3))

# # Initialize the MAX7219 with 4 cascaded displays (considered linear in code)
# display = max7219.Matrix8x8(spi, Pin(5), 4)

# # Clear the display before starting
# display.fill(0)

# # Top row (matrix 1 and 2, for numbers 1234)
# display.text('12', 0, 0, 1)   # Top-left (matrix 1)
# display.text('34', 16, 0, 1)  # Top-right (matrix 2)

# # Bottom row (matrix 3 and 4, for numbers 5678)
# display.text('56', 0, 8, 1)   # Bottom-left (matrix 3)
# display.text('78', 16, 8, 1)  # Bottom-right (matrix 4)

# # Update the display with the new content
# display.show()



# # import max7219
# # from machine import Pin, SPI

# # # Initialize SPI with appropriate baudrate and pins
# # spi = SPI(0, baudrate=10000000, polarity=0, phase=0, sck=Pin(2), mosi=Pin(3))

# # # Initialize the MAX7219 display with 16 matrices (4 chains of 4 displays)
# # # Change 'Pin(5)' if you are using a different pin for CS
# # display = max7219.Matrix8x8(spi, Pin(5), 4)

# # # Clear the display initially
# # display.fill(0)

# # # Display text or shapes across the 16 matrices
# # # For example, scrolling text across the full display
# # display.text('HELLO WORLD', 0, 0, 1)
# # display.show()

# # # To scroll the text, you could move it left every frame:
# # import time
# # for i in range(64):  # Loop through each column to shift the text
# #     display.fill(0)
# #     display.text('HELLO WORLD', -i, 0, 1)  # Move text to the left
# #     display.show()
# #     time.sleep(0.1)






















# import max7219
# from machine import Pin, SPI

# # Initialize SPI interface
# spi = SPI(0, baudrate=10000000, polarity=0, phase=0, sck=Pin(2), mosi=Pin(3))

# # Initialize the MAX7219 with 4 cascaded displays (in linear mode, but we'll remap them)
# display = max7219.Matrix8x8(spi, Pin(5), 4)

# # Clear the display before starting
# display.fill(0)

# # Function to write flipped text on inverted displays (mirroring characters)
# def flipped_text(display, text, x, y):
#     # Write text mirrored by reversing it
#     for i in range(len(text)):
#         display.text(text[i], x + 8 * (len(text) - 1 - i), y, 1)

# # Write to individual displays considering snake layout
# # Top row (Display 1 - top-left, Display 2 - top-right)
# display.text('12', 0, 0, 1)         # Top-left (normal orientation)
# flipped_text(display, '34', 16, 0)   # Top-right (inverted, needs flipping)

# # Bottom row (Display 3 - bottom-left, Display 4 - bottom-right)
# display.text('56', 0, 8, 1)         # Bottom-left (normal orientation)
# flipped_text(display, '78', 16, 8)   # Bottom-right (inverted, needs flipping)

# # Update the display
# display.show()