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Updated to work with Matrix Portal #18

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Merged
merged 1 commit into from
Sep 18, 2020
Merged

Updated to work with Matrix Portal #18

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56 changes: 51 additions & 5 deletions adafruit_matrixportal/matrix.py
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Original file line number Diff line number Diff line change
Expand Up @@ -14,6 +14,7 @@

**Hardware:**

* `Adafruit Matrix Portal <https://www.adafruit.com/product/4745>`_
* `Adafruit Metro M4 Express AirLift <https://www.adafruit.com/product/4000>`_
* `Adafruit RGB Matrix Shield <https://www.adafruit.com/product/2601>`_
* `64x32 RGB LED Matrix <https://www.adafruit.com/product/2278>`_
Expand Down Expand Up @@ -46,25 +47,70 @@ class Matrix:

"""

# pylint: disable=too-few-public-methods
# pylint: disable=too-few-public-methods,too-many-branches
def __init__(self, *, width=64, height=32, bit_depth=2, alt_addr_pins=None):

if alt_addr_pins is not None:
addr_pins = alt_addr_pins
elif hasattr(board, "MTX_ADDRA"):
if height <= 16:
addr_pins = [board.MTX_ADDRA, board.MTX_ADDRB, board.MTX_ADDRC]
elif height <= 32:
addr_pins = [
board.MTX_ADDRA,
board.MTX_ADDRB,
board.MTX_ADDRC,
board.MTX_ADDRD,
]
else:
addr_pins = [
board.MTX_ADDRA,
board.MTX_ADDRB,
board.MTX_ADDRC,
board.MTX_ADDRD,
board.MTX_ADDRE,
]
else:
addr_pins = [board.A0, board.A1, board.A2, board.A3]

if hasattr(board, "MTX_R1"):
rgb_pins = [
board.MTX_R1,
board.MTX_G1,
board.MTX_B1,
board.MTX_R2,
board.MTX_G2,
board.MTX_B2,
]
else:
rgb_pins = [board.D2, board.D3, board.D4, board.D5, board.D6, board.D7]

if hasattr(board, "MTX_CLK"):
clock_pin = board.MTX_CLK
else:
clock_pin = board.A4

if hasattr(board, "MTX_CLK"):
latch_pin = board.MTX_LAT
else:
latch_pin = board.D10

if hasattr(board, "MTX_OE"):
oe_pin = board.MTX_OE
else:
oe_pin = board.D9

try:
displayio.release_displays()
matrix = rgbmatrix.RGBMatrix(
width=width,
height=height,
bit_depth=bit_depth,
rgb_pins=[board.D2, board.D3, board.D4, board.D5, board.D6, board.D7],
rgb_pins=rgb_pins,
addr_pins=addr_pins,
clock_pin=board.A4,
latch_pin=board.D10,
output_enable_pin=board.D9,
clock_pin=clock_pin,
latch_pin=latch_pin,
output_enable_pin=oe_pin,
)
self.display = framebufferio.FramebufferDisplay(matrix)
except ValueError:
Expand Down
1 change: 1 addition & 0 deletions docs/index.rst
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Expand Up @@ -26,6 +26,7 @@ Table of Contents
.. toctree::
:caption: Related Products

* Adafruit Matrix Portal <https://www.adafruit.com/product/4745>
* Adafruit Metro M4 Express AirLift <https://www.adafruit.com/product/4000>
* Adafruit RGB Matrix Shield <https://www.adafruit.com/product/2601>
* 64x32 RGB LED Matrix <https://www.adafruit.com/product/2278>
Expand Down