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StatusLED-BlinkCodes/index.html
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@@ -149,8 +149,6 @@
<ul class="current">
<li class="toctree-l1 current"><a class="reference internal current" href="./">StatusLED BlinkCodes</a>
<ul class="current">
<li class="toctree-l2"><a class="reference internal" href="#0x00000001-psram-bad">0x00000001 PSRAM bad</a>
</li>
</ul>
</li>
</ul>
@@ -181,7 +179,189 @@
<p>This page lists possible blink codes of the red LED located on the ESP32-CAM board, their meaning and possible solutions.</p>
<p>The effective error codes can be found <a href="https://github.com/jomjol/AI-on-the-edge-device/blob/rolling/code/components/jomjol_helper/statusled.h">here</a>.</p>
<p>TODO!!!</p>
<h1 id="general-design-approach">General design approach:</h1>
<ul>
<li>250ms blink code to identify source</li>
<li>500ms defined LED off</li>
<li>250ms blink code to identify error / status code</li>
<li>1,5s LED off to signal repetition</li>
<li>e.g. 3x blinks | 500ms LED off | 2x blinks --&gt; error: SD card not found</li>
</ul>
<table>
<thead>
<tr>
<th><strong>source</strong></th>
<th>source blink count</th>
<th>error / status</th>
<th>status blink count</th>
<th>repeat infinite</th>
</tr>
</thead>
<tbody>
<tr>
<td>FLASHLIGHT</td>
<td>N/A</td>
<td>LED on when flashlight is on (lowest prio)</td>
<td>solid, no blinking</td>
<td></td>
</tr>
<tr>
<td>WLAN_CONN</td>
<td>1</td>
<td>Disconnected (No Access Point)</td>
<td>1</td>
<td></td>
</tr>
<tr>
<td>WLAN_CONN</td>
<td>1</td>
<td>Disconnected (Authentication failure)</td>
<td>2</td>
<td></td>
</tr>
<tr>
<td>WLAN_CONN</td>
<td>1</td>
<td>Disconnected (Timeout)</td>
<td>3</td>
<td></td>
</tr>
<tr>
<td>WLAN_CONN</td>
<td>1</td>
<td>Disconnected (Error code, misc error)</td>
<td>4</td>
<td></td>
</tr>
<tr>
<td>WLAN_INIT</td>
<td>2</td>
<td>WLAN.ini empty or not readable</td>
<td>1</td>
<td>X</td>
</tr>
<tr>
<td>WLAN_INIT</td>
<td>2</td>
<td>SSID or password empty</td>
<td>2</td>
<td>X</td>
</tr>
<tr>
<td>WLAN_INIT</td>
<td>2</td>
<td>WIFI init error (details console)</td>
<td>3</td>
<td>X</td>
</tr>
<tr>
<td>SDCARD_INIT</td>
<td>3</td>
<td>SD card filesystem mount failed</td>
<td>1</td>
<td>X</td>
</tr>
<tr>
<td>SDCARD_INIT</td>
<td>3</td>
<td>SD card not found (0x107)</td>
<td>2</td>
<td>X</td>
</tr>
<tr>
<td>SDCARD_INIT</td>
<td>3</td>
<td>SD card init failed (details console)</td>
<td>3</td>
<td>X</td>
</tr>
<tr>
<td>SDCARD_CHECK</td>
<td>4</td>
<td>Basic check: file creation/write error</td>
<td>1</td>
<td>X</td>
</tr>
<tr>
<td>SDCARD_CHECK</td>
<td>4</td>
<td>Basic check: file read/CRC error</td>
<td>2</td>
<td>X</td>
</tr>
<tr>
<td>SDCARD_CHECK</td>
<td>4</td>
<td>Basic check: file delete error</td>
<td>3</td>
<td>X</td>
</tr>
<tr>
<td>SDCARD_CHECK</td>
<td>4</td>
<td>Basic check: folder/file presence</td>
<td>4</td>
<td>X</td>
</tr>
<tr>
<td>CAM_INIT</td>
<td>5</td>
<td>Camera init failed (details console)</td>
<td>1</td>
<td>X</td>
</tr>
<tr>
<td>CAM_INIT</td>
<td>5</td>
<td>Camera framebuffer check failed</td>
<td>2</td>
<td></td>
</tr>
<tr>
<td>PSRAM_INIT</td>
<td>6</td>
<td>PSRAM init failed: Not found/defective</td>
<td>1</td>
<td>X</td>
</tr>
<tr>
<td>PSRAM_INIT</td>
<td>6</td>
<td>External PSRAM &lt; 4MB</td>
<td>2</td>
<td>X</td>
</tr>
<tr>
<td>PSRAM_INIT</td>
<td>6</td>
<td>Total heap &lt; 4MB</td>
<td>3</td>
<td>X</td>
</tr>
<tr>
<td>TIME_CHECK</td>
<td>7</td>
<td>Missing time sync (check every round)</td>
<td>1</td>
<td></td>
</tr>
<tr>
<td>OTA_OR_AP</td>
<td>8</td>
<td>OTA process ongoing</td>
<td>1</td>
<td>X</td>
</tr>
<tr>
<td>OTA_OR_AP</td>
<td>8</td>
<td>Soft AP started</td>
<td>2</td>
<td>X</td>
</tr>
</tbody>
</table>
<p>From here --&gt;TODO!!!</p>
<h1 id="error">Error</h1>
<p>Those errors make the normal operation of the device impossible.
Most likely they are caused by a hardware issue!</p>

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