From cbc0fb962f378436d5921c2a008c330ae45bfc86 Mon Sep 17 00:00:00 2001
From: francovaro <francovaro@gmail.com>
Date: Wed, 17 Jul 2024 11:31:59 +0200
Subject: [PATCH] SDK release vv1.53.14

---
 EdgeImpulse.EI-SDK.pdsc                          | 12 ++++++------
 EdgeImpulse.pidx                                 |  4 ++--
 .../classifier/ei_classifier_types.h             |  4 ++--
 .../edge-impulse-sdk/dsp/spectral/signal.hpp     | 16 ++++++++++++++--
 4 files changed, 24 insertions(+), 12 deletions(-)

diff --git a/EdgeImpulse.EI-SDK.pdsc b/EdgeImpulse.EI-SDK.pdsc
index 9fd1e9a..bae9bb4 100644
--- a/EdgeImpulse.EI-SDK.pdsc
+++ b/EdgeImpulse.EI-SDK.pdsc
@@ -5,13 +5,16 @@
 	<name>EI-SDK</name>
 	<license>LICENSE-apache-2.0.txt</license>
 	<description>Edge Impulse SDK</description>
-	<url>https://github.com/edgeimpulse/edge-impulse-sdk-pack/releases/download/v1.53.13/</url>
+	<url>https://github.com/edgeimpulse/edge-impulse-sdk-pack/releases/download/v1.53.14/</url>
 	<supportContact>hello@edgeimpulse.com</supportContact>
 	<repository type="git">https://github.com/edgeimpulse/edge-impulse-sdk-pack.git</repository>
 	<releases>
-		<release version="1.53.13" tag="v1.53.13" date="2024-07-12" url="https://github.com/edgeimpulse/edge-impulse-sdk-pack/releases/download/v1.53.13/EdgeImpulse.EI-SDK.1.53.13.pack">
+		<release version="1.53.14" tag="v1.53.14" date="2024-07-17" url="https://github.com/edgeimpulse/edge-impulse-sdk-pack/releases/download/v1.53.14/EdgeImpulse.EI-SDK.1.53.14.pack">
       		EI-SDK
     	</release>	
+		<release version="1.53.13" tag="v1.53.13" date="2024-07-12" url="https://github.com/edgeimpulse/edge-impulse-sdk-pack/releases/download/v1.53.13/EdgeImpulse.EI-SDK.1.53.13.pack">
+      		EI-SDK
+    	</release>
 		<release version="1.53.12" tag="v1.53.12" date="2024-07-10" url="https://github.com/edgeimpulse/edge-impulse-sdk-pack/releases/download/v1.53.12/EdgeImpulse.EI-SDK.1.53.12.pack">
       		EI-SDK
     	</release>
@@ -98,9 +101,6 @@
     	</release>
 		<release version="1.49.5" tag="v1.49.5" date="2024-04-16" url="https://github.com/edgeimpulse/edge-impulse-sdk-pack/releases/download/v1.49.5/EdgeImpulse.EI-SDK.1.49.5.pack">
       		EI-SDK
-    	</release>
-		<release version="1.49.4" tag="v1.49.4" date="2024-04-12" url="https://github.com/edgeimpulse/edge-impulse-sdk-pack/releases/download/v1.49.4/EdgeImpulse.EI-SDK.1.49.4.pack">
-      		EI-SDK
     	</release>
 	</releases>
 	<keywords>
@@ -146,7 +146,7 @@
     </packages>
     </requirements>
 	<components>
-		<component Cclass="EdgeImpulse" Cgroup="SDK" Cversion="1.53.13">
+		<component Cclass="EdgeImpulse" Cgroup="SDK" Cversion="1.53.14">
 			<description>Edge Impulse SDK</description>	
 				<!-- short component description -->
 				<files>
diff --git a/EdgeImpulse.pidx b/EdgeImpulse.pidx
index ee63b75..ff8b39a 100644
--- a/EdgeImpulse.pidx
+++ b/EdgeImpulse.pidx
@@ -2,8 +2,8 @@
 <index schemaVersion="1.0.0" xs:noNamespaceSchemaLocation="PackIndex.xsd" xmlns:xs="http://www.w3.org/2001/XMLSchema-instance">
   <vendor>EdgeImpulse</vendor>
   <url>https://raw.githubusercontent.com/edgeimpulse/edge-impulse-sdk-pack/main/</url>
-  <timestamp>2024-07-12 14:25:35</timestamp>
+  <timestamp>2024-07-17 11:31:00</timestamp>
   <pindex>
-    <pdsc url="https://github.com/edgeimpulse/edge-impulse-sdk-pack/releases/download/v1.53.13/" vendor="EdgeImpulse" name="EI-SDK" version="1.53.13"/>
+    <pdsc url="https://github.com/edgeimpulse/edge-impulse-sdk-pack/releases/download/v1.53.14/" vendor="EdgeImpulse" name="EI-SDK" version="1.53.14"/>
   </pindex>
 </index>
diff --git a/edgeimpulse/edge-impulse-sdk/classifier/ei_classifier_types.h b/edgeimpulse/edge-impulse-sdk/classifier/ei_classifier_types.h
index b61141d..1ea8732 100644
--- a/edgeimpulse/edge-impulse-sdk/classifier/ei_classifier_types.h
+++ b/edgeimpulse/edge-impulse-sdk/classifier/ei_classifier_types.h
@@ -185,12 +185,12 @@ typedef struct {
     int anomaly;
 
     /**
-     * Amount of time (in milliseconds) it took to run the post-processing block
+     * Amount of time (in microseconds) it took to run the post-processing block
      */
     int64_t dsp_us;
 
     /**
-     * Amount of time (in milliseconds) it took to run the inference block
+     * Amount of time (in microseconds) it took to run the inference block
      */
     int64_t classification_us;
 
diff --git a/edgeimpulse/edge-impulse-sdk/dsp/spectral/signal.hpp b/edgeimpulse/edge-impulse-sdk/dsp/spectral/signal.hpp
index 4827181..bf1e5b4 100644
--- a/edgeimpulse/edge-impulse-sdk/dsp/spectral/signal.hpp
+++ b/edgeimpulse/edge-impulse-sdk/dsp/spectral/signal.hpp
@@ -85,9 +85,9 @@ class signal {
     }
 
     struct sosfilt {
-        const float* coeff; // 6 * num_sections coefficients
+        const float* coeff = nullptr; // 6 * num_sections coefficients
         fvec zi_vec; // 2 * num_sections initial conditions
-        size_t num_sections;
+        size_t num_sections = 0;
 
         sosfilt(const float* coeff_, const float* zi_, size_t num_sections_)
             : coeff(coeff_),
@@ -96,8 +96,20 @@ class signal {
         {
         }
 
+        sosfilt()
+        {
+        }
+
         void update(const float* coeff_, const float* zi_)
         {
+            assert(num_sections > 0);
+            coeff = coeff_;
+            zi_vec.assign(zi_, zi_ + (num_sections * 2));
+        }
+
+        void update(const float* coeff_, const float* zi_, size_t num_sections_)
+        {
+            num_sections = num_sections_;
             coeff = coeff_;
             zi_vec.assign(zi_, zi_ + (num_sections * 2));
         }