rp2_neopixel: Optimize NeoPixel.fill

2024-05-31 19:02:54 +02:00
parent 1f310432b0
commit 89a8dd0a68
1 changed files with 4 additions and 3 deletions
--- a/software/src/rp2_neopixel.py
+++ b/software/src/rp2_neopixel.py
@@ -69,9 +69,10 @@ class NeoPixel:
        return tuple((self.buf[i] >> (self.ORDER[b] * 8)) & 0xff for b in range(self.bpp))

    def fill(self, v):
-        # todo: optimize?
-        for i in range(self.n):
-            self[i] = v
+        val = 0
+        for b in range(self.bpp):
+            val |= v[b] << (self.ORDER[b] * 8)
+        self.buf = array('I', [val]*self.n)

    def write(self):
        self.statemachine.put(self.buf)