led-matrix: Make sure it's sorted properly

Signed-off-by: Daniel Schaefer <[email protected]>

Author: JohnAZoidberg

led-matrix.py

@@ -7,6 +7,7 @@
 # (0x1e, 0), // x:2, y:1, sw:2, cs:1, id:2
 # [...]
 
+import math
 from dataclasses import dataclass
 
 WIDTH = 9
@@ -36,6 +37,12 @@ def led_register(self):
             register = 0x5A + self.cs - 31 + (self.sw-1) * 9
         return (register, page)
 
+    def __lt__(self, other):
+        if self.y == other.y:
+            return self.x < other.x
+        else:
+            return self.y < other.y
+
 
 def get_leds():
     leds = []
@@ -91,6 +98,9 @@ def main():
     # Assumes that the index in the LEDs list is: index = x + y * 9
     leds = get_leds()
 
+    # Needs to be sorted according to x and y
+    leds.sort()
+
     debug = False
 
     for led in leds: