From a3ec83fe5dc9148a3ac68151653435cd73e86772 Mon Sep 17 00:00:00 2001
From: boblark <bob@janbob.com>
Date: Mon, 16 Jan 2023 11:24:08 -0800
Subject: [PATCH] Fixed Convolutional filter to compile under T3.x

---
 AudioFilterConvolution_F32.h | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/AudioFilterConvolution_F32.h b/AudioFilterConvolution_F32.h
index cf8f6c0..7eb58c8 100644
--- a/AudioFilterConvolution_F32.h
+++ b/AudioFilterConvolution_F32.h
@@ -96,6 +96,7 @@
    * use of this class.
    *
    * Removed #defines that were not needed. Thanks K7MDL. Bob 6 Mar 2022
+   * Added needed part of arm_const_structs.h. Thanks Paul  Bob  16 Jan 2023
    *
    * ************************************************************ */
 
@@ -104,7 +105,10 @@
 
 #include <AudioStream_F32.h>
 #include <arm_math.h>
-#include <arm_const_structs.h>
+#include "arm_common_tables.h"
+
+// #include <arm_const_structs.h> not available for teensy3, so here is needed line
+extern const arm_cfft_instance_f32 arm_cfft_sR_f32_len1024;
 
 #define MAX_NUMCOEF 513