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@@ -9,7 +9,7 @@
<link href="../Error-Debugging/" rel="prev"/>
<link href="../Demo-Mode/" rel="next"/>
<link href="../img/favicon.ico" rel="icon"/>
<meta content="mkdocs-1.6.0, mkdocs-material-9.5.32" name="generator"/>
<meta content="mkdocs-1.6.0, mkdocs-material-9.5.33" name="generator"/>
<title>Basic hardware/config issues - AI on the Edge Device</title>
<link href="../assets/stylesheets/main.3cba04c6.min.css" rel="stylesheet"/>
<link href="../assets/stylesheets/palette.06af60db.min.css" rel="stylesheet"/>
@@ -621,6 +621,13 @@
</span>
</a>
</li>
<li class="md-nav__item">
<a class="md-nav__link" href="../Webhook/">
<span class="md-ellipsis">
Webhook
</span>
</a>
</li>
</ul>
</nav>
</li>
@@ -870,10 +877,10 @@
<h5 id="system-instabilities"><span class="enumerate-headings-plugin enumerate-heading-plugin">1.0.1.0.1</span> System instabilities</h5>
<p>If your system is sometimes running smoothly over several runs and sometimes reboots obviously randomly, you have an partially unstable device. </p>
<p>You can check this in the standard log file on the SD card:</p>
<pre><code>2021-12-26T06:34:09: task_autodoFlow - round done
2021-12-26T06:34:09: CPU Temperature: 56.1
2021-12-26T06:38:00: task_autodoFlow - next round - Round #23
</code></pre>
<div class="language-text highlight"><pre><span></span><code><span id="__span-0-1"><a href="#__codelineno-0-1" id="__codelineno-0-1" name="__codelineno-0-1"></a>2021-12-26T06:34:09: task_autodoFlow - round done
</span><span id="__span-0-2"><a href="#__codelineno-0-2" id="__codelineno-0-2" name="__codelineno-0-2"></a>2021-12-26T06:34:09: CPU Temperature: 56.1
</span><span id="__span-0-3"><a href="#__codelineno-0-3" id="__codelineno-0-3" name="__codelineno-0-3"></a>2021-12-26T06:38:00: task_autodoFlow - next round - Round #23
</span></code></pre></div>
<p>Here you see, that the round #23 is starting, so obviously there were no reboots in the last 22 rounds. There is hardware (ESP32CAM), where only 2-3 stable rounds are possible and others, where way more than 100 rounds without any reboots is possible.
There is noting you can do about it, beside testing different hardware.</p>
<h4 id="overload-during-html-access"><span class="enumerate-headings-plugin enumerate-heading-plugin">1.0.1.1</span> Overload during HTML access</h4>
@@ -947,24 +954,24 @@ Unfortunately, there is hardware around, where no PSRAM or only 2MB of PSRAM is
<li><code>/config/XXXXX.tflite</code> (XXXXX is the file name, that is written in the <code>config.ini</code>)</li>
</ul>
<p>If the files which are configured in <code>config.ini</code> are not present or corrupt, the process is going to be interrupted (or at worst case a device crash occurs). Please check logs files to have an indicator for the root cause.</p>
<p>This a logfile extract (DEBUB log level) where digit CNN model file is not present. The system is initializing the system and trying to load the model files:</p>
<pre><code>[0d00h05m11s] 2023-03-27T12:25:14 [TFLITE] CTfLiteClass::LoadModel
[0d00h05m11s] 2023-03-27T12:25:14 [TFLITE] CTfLiteClass::ReadFileToModel: /sdcard
[0d00h05m11s] 2023-03-27T12:25:14 [PSRAM] Failed to allocate 0 bytes in PSRAM for 'TFLITE-&gt;modelfile'!
[0d00h05m11s] 2023-03-27T12:25:14 [TFLITE] CTfLiteClass::ReadFileToModel: Can't allocate enough memory: 0
[0d00h05m12s] 2023-03-27T12:25:14 [HEAP] CTfLiteClass::ReadFileToModel Heap Total: 2266214 | SPI Free: 2205939 | SPI Large Block: 2162688 | SPI Min Free: 2205423 | Int Free: 60275 | Int Large Block: 55296 | Int Min Free: 46451
[0d00h05m12s] 2023-03-27T12:25:14 [CNN] Can't load tflite model -&gt; Init aborted!
[0d00h05m12s] 2023-03-27T12:25:14 [HEAP] getNetworkParameter-LoadModel Heap Total: 2266214 | SPI Free: 2205939 | SPI Large Block: 2162688 | SPI Min Free: 2205423 | Int Free: 60275 | Int Large Block: 55296 | Int Min Free: 46451
[0d00h05m12s] 2023-03-27T12:25:14 [PSRAM] Freeing memory in PSRAM used for 'TFLITE-&gt;modelfile'...
[0d00h05m12s] 2023-03-27T12:25:14 [PSRAM] Freeing memory in PSRAM used for 'TFLITE-&gt;tensor_arena'...
[0d00h05m12s] 2023-03-27T12:25:14 [PSRAM] Allocated 819200 bytes in PSRAM for 'TFLITE-&gt;tensor_arena'
[0d00h05m12s] 2023-03-27T12:25:14 [TFLITE] CTfLiteClass::LoadModel
[0d00h05m12s] 2023-03-27T12:25:14 [TFLITE] CTfLiteClass::ReadFileToModel: /sdcard/config/ana-cont_1105_s2_q.tflite
[0d00h05m12s] 2023-03-27T12:25:15 [PSRAM] Allocated 53328 bytes in PSRAM for 'TFLITE-&gt;modelfile'
[0d00h05m12s] 2023-03-27T12:25:15 [TFLITE] CTfLiteClass::MakeAllocate
[0d00h05m12s] 2023-03-27T12:25:15 [PSRAM] Freeing memory in PSRAM used for 'TFLITE-&gt;modelfile'...
[0d00h05m12s] 2023-03-27T12:25:15 [PSRAM] Freeing memory in PSRAM used for 'TFLITE-&gt;tensor_arena'...
</code></pre>
<p>This a logfile extract (DEBUB log level) where digit CNN model file is not present. The system is initializing the system and trying to load the model files:
<div class="language-text highlight"><pre><span></span><code><span id="__span-1-1"><a href="#__codelineno-1-1" id="__codelineno-1-1" name="__codelineno-1-1"></a>[0d00h05m11s] 2023-03-27T12:25:14 [TFLITE] CTfLiteClass::LoadModel
</span><span id="__span-1-2"><a href="#__codelineno-1-2" id="__codelineno-1-2" name="__codelineno-1-2"></a>[0d00h05m11s] 2023-03-27T12:25:14 [TFLITE] CTfLiteClass::ReadFileToModel: /sdcard
</span><span id="__span-1-3"><a href="#__codelineno-1-3" id="__codelineno-1-3" name="__codelineno-1-3"></a>[0d00h05m11s] 2023-03-27T12:25:14 [PSRAM] Failed to allocate 0 bytes in PSRAM for 'TFLITE-&gt;modelfile'!
</span><span id="__span-1-4"><a href="#__codelineno-1-4" id="__codelineno-1-4" name="__codelineno-1-4"></a>[0d00h05m11s] 2023-03-27T12:25:14 [TFLITE] CTfLiteClass::ReadFileToModel: Can't allocate enough memory: 0
</span><span id="__span-1-5"><a href="#__codelineno-1-5" id="__codelineno-1-5" name="__codelineno-1-5"></a>[0d00h05m12s] 2023-03-27T12:25:14 [HEAP] CTfLiteClass::ReadFileToModel Heap Total: 2266214 | SPI Free: 2205939 | SPI Large Block: 2162688 | SPI Min Free: 2205423 | Int Free: 60275 | Int Large Block: 55296 | Int Min Free: 46451
</span><span id="__span-1-6"><a href="#__codelineno-1-6" id="__codelineno-1-6" name="__codelineno-1-6"></a>[0d00h05m12s] 2023-03-27T12:25:14 [CNN] Can't load tflite model -&gt; Init aborted!
</span><span id="__span-1-7"><a href="#__codelineno-1-7" id="__codelineno-1-7" name="__codelineno-1-7"></a>[0d00h05m12s] 2023-03-27T12:25:14 [HEAP] getNetworkParameter-LoadModel Heap Total: 2266214 | SPI Free: 2205939 | SPI Large Block: 2162688 | SPI Min Free: 2205423 | Int Free: 60275 | Int Large Block: 55296 | Int Min Free: 46451
</span><span id="__span-1-8"><a href="#__codelineno-1-8" id="__codelineno-1-8" name="__codelineno-1-8"></a>[0d00h05m12s] 2023-03-27T12:25:14 [PSRAM] Freeing memory in PSRAM used for 'TFLITE-&gt;modelfile'...
</span><span id="__span-1-9"><a href="#__codelineno-1-9" id="__codelineno-1-9" name="__codelineno-1-9"></a>[0d00h05m12s] 2023-03-27T12:25:14 [PSRAM] Freeing memory in PSRAM used for 'TFLITE-&gt;tensor_arena'...
</span><span id="__span-1-10"><a href="#__codelineno-1-10" id="__codelineno-1-10" name="__codelineno-1-10"></a>[0d00h05m12s] 2023-03-27T12:25:14 [PSRAM] Allocated 819200 bytes in PSRAM for 'TFLITE-&gt;tensor_arena'
</span><span id="__span-1-11"><a href="#__codelineno-1-11" id="__codelineno-1-11" name="__codelineno-1-11"></a>[0d00h05m12s] 2023-03-27T12:25:14 [TFLITE] CTfLiteClass::LoadModel
</span><span id="__span-1-12"><a href="#__codelineno-1-12" id="__codelineno-1-12" name="__codelineno-1-12"></a>[0d00h05m12s] 2023-03-27T12:25:14 [TFLITE] CTfLiteClass::ReadFileToModel: /sdcard/config/ana-cont_1105_s2_q.tflite
</span><span id="__span-1-13"><a href="#__codelineno-1-13" id="__codelineno-1-13" name="__codelineno-1-13"></a>[0d00h05m12s] 2023-03-27T12:25:15 [PSRAM] Allocated 53328 bytes in PSRAM for 'TFLITE-&gt;modelfile'
</span><span id="__span-1-14"><a href="#__codelineno-1-14" id="__codelineno-1-14" name="__codelineno-1-14"></a>[0d00h05m12s] 2023-03-27T12:25:15 [TFLITE] CTfLiteClass::MakeAllocate
</span><span id="__span-1-15"><a href="#__codelineno-1-15" id="__codelineno-1-15" name="__codelineno-1-15"></a>[0d00h05m12s] 2023-03-27T12:25:15 [PSRAM] Freeing memory in PSRAM used for 'TFLITE-&gt;modelfile'...
</span><span id="__span-1-16"><a href="#__codelineno-1-16" id="__codelineno-1-16" name="__codelineno-1-16"></a>[0d00h05m12s] 2023-03-27T12:25:15 [PSRAM] Freeing memory in PSRAM used for 'TFLITE-&gt;tensor_arena'...
</span></code></pre></div></p>
<ul>
<li>Bad config example:</li>
<li>
@@ -1001,6 +1008,6 @@ Unfortunately, there is hardware around, where no PSRAM or only 2MB of PSRAM is
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