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CircuitPython version
Adafruit CircuitPython 9.1.4 on 2024-09-17; Adafruit Matrix Portal M4 with samd51j19Code/REPL
from adafruit_matrixportal.matrix import Matrix
# default pinout:
# R1 - G1
# B1 - GND
# R2 - G2
# B2 - B
# A - D
# C - E
# CLK - LAT
# /OE - E
matrix = Matrix(width=64, height=32)
# alternate pinout:
# R1 - G1
# B1 - GND
# R2 - G2
# B2 - E
# A - B
# C - D
# CLK - LAT
# /OE - GND
addr_pins = [board.MTX_ADDRA, board.MTX_ADDRD, board.MTX_ADDRC, board.MTX_ADDRE, board.MTX_ADDRB]
matrix = Matrix(width=64, height=32, alt_addr_pins=addr_pins)
display = matrix.displayBehavior
The used RGB matrix from WaveShare has a different pinout. Changing the relevant pins using a list for alt_addr_pins results in a hard crash:
Adafruit CircuitPython 9.1.4 on 2024-09-17; Adafruit Matrix Portal M4 with samd51j19
>>>
soft reboot
Auto-reload is off.
Running in safe mode! Not running saved code.
You are in safe mode because:
CircuitPython core code crashed hard. Whoops!
Hard fault: memory access or instruction error.
Please file an issue with your program at github.com/adafruit/circuitpython/issues.
Press reset to exit safe mode.
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