Initial Clock Format

rpi-rgb-led-matrix-master/bindings/python/samples/pulsing-brightness.py

@@ -0,0 +1,36 @@
+#!/usr/bin/env python
+from samplebase import SampleBase
+
+
+class GrayscaleBlock(SampleBase):
+    def __init__(self, *args, **kwargs):
+        super(GrayscaleBlock, self).__init__(*args, **kwargs)
+
+    def run(self):
+        max_brightness = self.matrix.brightness
+        count = 0
+        c = 255
+
+        while (True):
+            if self.matrix.brightness < 1:
+                self.matrix.brightness = max_brightness
+                count += 1
+            else:
+                self.matrix.brightness -= 1
+
+            if count % 4 == 0:
+                self.matrix.Fill(c, 0, 0)
+            elif count % 4 == 1:
+                self.matrix.Fill(0, c, 0)
+            elif count % 4 == 2:
+                self.matrix.Fill(0, 0, c)
+            elif count % 4 == 3:
+                self.matrix.Fill(c, c, c)
+
+            self.usleep(20 * 1000)
+
+# Main function
+if __name__ == "__main__":
+    grayscale_block = GrayscaleBlock()
+    if (not grayscale_block.process()):
+        grayscale_block.print_help()