countFPS()

void CFastLED::countFPS

(

int

nFrames = 25

)

For debugging, this will keep track of time between calls to countFPS().

Every nFrames calls, it will update an internal counter for the current FPS.

Todo

Make this a rolling counter

Parameters

nFrames

how many frames to time for determining FPS

Definition at line 490 of file FastLED.cpp.hpp.

                                   {
    static int br = 0;
    static fl::u32 lastframe = 0; // fl::millis();
 
    if(br++ >= nFrames) {
        fl::u32 now = fl::millis();
        now -= lastframe;
        if(now == 0) {
            now = 1; // prevent division by zero below
        }
        mNFPS = (br * 1000) / now;
        br = 0;
        lastframe = fl::millis();
    }
}

References fl::millis(), and mNFPS.

Referenced by show(), and showColor().

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