isMusicPresent()

bool isMusicPresent

(

)

Examples

hydropack.ino.

Definition at line 144 of file hydropack.ino.

                      {
    const fl::audio::Sample &sample = gAudio->getSample();
    if (!sample.isValid() || sample.zcf() >= kMaximumMusicZcf) {
        return false;
    }
 
    const uint32_t now = millis();
    if (static_cast<int32_t>(now - gMusicActiveUntilMs) < 0) {
        // Each qualifying bass beat extends the short music-present hold.
        gMusicActiveUntilMs = now + kMusicHoldMs;
        return true;
    }
 
    if (gMusicWarmupStartedMs == 0 ||
        now - gLastQualifyingBeatMs > kMaximumMusicBeatGapMs) {
        gMusicWarmupStartedMs = now;
    }
    gLastQualifyingBeatMs = now;
 
    if (now - gMusicWarmupStartedMs < kMusicWarmupMs) {
        return false;
    }
 
    gMusicActiveUntilMs = now + kMusicHoldMs;
    return true;
}

References gAudio, gLastQualifyingBeatMs, gMusicActiveUntilMs, gMusicWarmupStartedMs, kMaximumMusicBeatGapMs, kMaximumMusicZcf, kMusicHoldMs, and kMusicWarmupMs.

Referenced by setup().

Here is the caller graph for this function: