Skip to content

Revert "Use Timer object to calculate FPS" #1928

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Merged
samfreund merged 1 commit into from
Apr 22, 2025
Merged

Revert "Use Timer object to calculate FPS" #1928

Changes from all commits
Commits
Show all changes
1 commit
Select commit
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
13 changes: 10 additions & 3 deletions photon-core/src/main/java/org/photonvision/vision/pipe/impl/CalculateFPSPipe.java
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -24,12 +24,19 @@
public class CalculateFPSPipe
extends CVPipe<Void, Integer, CalculateFPSPipe.CalculateFPSPipeParams> {
private final LinearFilter fpsFilter = LinearFilter.movingAverage(20);
private final Timer timer = new Timer();

// roll my own Timer, since this is so trivial
double lastTime = -1;

@Override
protected Integer process(Void in) {
var dtSeconds = timer.get();
timer.reset();
if (lastTime < 0) {
lastTime = Timer.getFPGATimestamp();
}

var now = Timer.getFPGATimestamp();
var dtSeconds = now - lastTime;
lastTime = now;

// If < 1 uS between ticks, something is probably wrong
int fps;
Expand Down
Loading