Merge pull request #6016 from todbot/rainbowio-255p5-fix

fix #6015: rainbowio error for input > 255.0 < 256.0
2022-02-11 09:32:15 -08:00 · 2022-02-11 09:32:15 -08:00 · 34092437ec
commit 34092437ec
parent 160b1aa392 98ff9957fc
1 changed files with 1 additions and 0 deletions
--- a/shared-module/rainbowio/init.c
+++ b/shared-module/rainbowio/init.c
@ -42,5 +42,6 @@ int32_t colorwheel(mp_float_t pos) {
        shift2 = 0;
    }
    int p = (int)(pos * 3);
+    p = (p < 256) ? p : 255;
    return (p << shift1) | ((255 - p) << shift2);
 }