Change the grayscale curve to something that seems subjectively better.

2013-08-20 06:54:34 +00:00
parent 99638f81c5
commit 5067125687
1 changed files with 1 additions and 1 deletions
@@ -358,7 +358,7 @@ void LedSign::SetBrightness(uint8_t brightness)
    // set up page counts
    // TODO: make SHADES a function parameter. This would require some refactoring.
    const int max = 255;
-    const float scale = 1.5;
+    const float scale = 2.5;
    const float delta = pow(max, 1.0 / scale) / (SHADES - 1);
    int counts[SHADES]; 
    uint8_t i;