From b947256af6dc333cd0e078650bdcf181c3775dab Mon Sep 17 00:00:00 2001
From: zeefaad <zefad83@gmail.com>
Date: Thu, 11 Jun 2026 15:35:34 +0200
Subject: [PATCH] fir init

---
 src/fir.rs | 19 +++++++------------
 1 file changed, 7 insertions(+), 12 deletions(-)

diff --git a/src/fir.rs b/src/fir.rs
index a82faa6..79ee66a 100644
--- a/src/fir.rs
+++ b/src/fir.rs
@@ -1,10 +1,10 @@
 // Finite Impulse response + Decimation
-use num_complex::Complex32;
 use crate::utils::ring_buffer::RingBuffer;
+use num_complex::Complex32;
 
-pub struct Fir {
+pub struct Fir<const N: usize> {
     // Filter coefs
-    pub taps: Vec<f32>,
+    pub taps: [f32; N],
 
     // Ring Buffer of samples
     pub history: RingBuffer<Complex32>,
@@ -15,18 +15,13 @@ pub struct Fir {
     decimator_counter: usize,
 }
 
-impl Fir {
-    fn new(decimation_factor: usize) -> Self {
+impl<const N: usize> Fir<N> {
+    fn new(taps: [f32; N], decimation_factor: usize) -> Self {
         Self {
-            // TODO: precalulate filter coefs + ring buffer
-            taps: vec![],
-            history: 
+            taps,
+            history: RingBuffer::new(N),
             decimation_factor,
             decimator_counter: 0,
         }
     }
-
-    fn () {
-        
-    }
 }