Merge pull request #8 from adafruit/ci-arm

run CI on arm, since we target arm

.github/workflows/pip.yml

@@ -14,7 +14,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        platform: ["ubuntu-latest"]
+        platform: ["ubuntu-24.04-arm"]
         python-version: ["3.11", "3.12", "3.13"]
 
     runs-on: ${{ matrix.platform }}

.github/workflows/wheels.yml

@@ -15,7 +15,7 @@ concurrency:
 jobs:
   build_sdist:
     name: Build SDist
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-24.04-arm
     steps:
     - uses: actions/checkout@v4
       with:
@@ -42,7 +42,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        os: ["ubuntu-latest"]
+        os: ["ubuntu-24.04-arm"]
         arch_linux: ["aarch64"]
     steps:
     - uses: actions/checkout@v4
@@ -50,11 +50,6 @@ jobs:
         submodules: true
         fetch-depth: 0
 
-    - name: Set up QEMU
-      uses: docker/setup-qemu-action@v3
-      with:
-        platforms: all
-
     - uses: pypa/cibuildwheel@v2.22.0
       env:
         CIBW_ARCHS_LINUX: ${{ matrix.arch_linux }}

examples/single_panel_simpletest.py

@@ -0,0 +1,36 @@
+#!/usr/bin/python3
+# SPDX-FileCopyrightText: 2025 Tim Cocks for Adafruit Industries
+#
+# SPDX-License-Identifier: MIT
+"""
+Display a simple test pattern of 3 shapes on a single 64x32 matrix panel.
+
+Run like this:
+
+$ python simpletest.py
+
+"""
+
+import adafruit_raspberry_pi5_piomatter
+import numpy as np
+from PIL import Image, ImageDraw
+
+width = 64
+height = 32
+
+geometry = adafruit_raspberry_pi5_piomatter.Geometry(width=width, height=height, n_addr_lines=4, rotation=adafruit_raspberry_pi5_piomatter.Orientation.Normal)
+
+canvas = Image.new('RGB', (width, height), (0, 0, 0))
+draw = ImageDraw.Draw(canvas)
+
+framebuffer = np.asarray(canvas) + 0  # Make a mutable copy
+matrix = adafruit_raspberry_pi5_piomatter.AdafruitMatrixBonnetRGB888Packed(framebuffer, geometry)
+
+draw.rectangle((2,2, 10,10), fill=0x008800)
+draw.circle((18,6), 4, fill=0x880000)
+draw.polygon([(28, 2), (32, 10), (24, 10)], fill=0x000088)
+
+framebuffer[:] = np.asarray(canvas)
+matrix.show()
+
+input("Press enter to exit")