fir init

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 () {
-        
-    }
 }