deploy: dee3e26ac0

companion_protocol/index.html

@@ -531,6 +531,17 @@
     </span>
   </a>
   
+</li>
+        
+          <li class="md-nav__item">
+  <a href="#6-send-channel-data-datagram" class="md-nav__link">
+    <span class="md-ellipsis">
+      
+        6. Send Channel Data Datagram
+      
+    </span>
+  </a>
+  
 </li>
         
           <li class="md-nav__item">
@@ -976,6 +987,33 @@
   
   
   
+    <li class="md-nav__item">
+      <a href="../number_allocations/" class="md-nav__link">
+        
+  
+  
+  <span class="md-ellipsis">
+    
+  
+    Number Allocations
+  
+
+    
+  </span>
+  
+  
+
+      </a>
+    </li>
+  
+
+    
+      
+      
+  
+  
+  
+  
     <li class="md-nav__item">
       <a href="../packet_format/" class="md-nav__link">
         
@@ -1323,6 +1361,17 @@
     </span>
   </a>
   
+</li>
+        
+          <li class="md-nav__item">
+  <a href="#6-send-channel-data-datagram" class="md-nav__link">
+    <span class="md-ellipsis">
+      
+        6. Send Channel Data Datagram
+      
+    </span>
+  </a>
+  
 </li>
         
           <li class="md-nav__item">
@@ -1917,6 +1966,24 @@ Bytes 7+: Message Text (UTF-8, variable length)
 </code></pre>
 <p><strong>Response</strong>: <code>PACKET_MSG_SENT</code> (0x06) on success</p>
 <hr />
+<h3 id="6-send-channel-data-datagram">6. Send Channel Data Datagram</h3>
+<p><strong>Purpose</strong>: Send binary datagram data to a channel.</p>
+<p><strong>Command Format</strong>:</p>
+<pre><code>Byte 0: 0x3E
+Bytes 1-2: Data Type (`data_type`, 16-bit little-endian)
+Byte 3: Channel Index (0-7)
+Bytes 4+: Binary payload bytes (variable length)
+</code></pre>
+<p><strong>Data Type / Transport Mapping</strong>:
+- <code>0x0000</code> is invalid for this command.
+- <code>0xFFFF</code> (<code>DATA_TYPE_DEV</code>) is the developer namespace for experimenting and developing apps.
+- Other non-zero values can be used as assigned application/community namespaces.</p>
+<p><strong>Note</strong>: Applications that need a timestamp should encode it inside the binary payload.</p>
+<p><strong>Limits</strong>:
+- Maximum payload length is <code>163</code> bytes.
+- Larger payloads are rejected with <code>PACKET_ERROR</code>.</p>
+<p><strong>Response</strong>: <code>PACKET_OK</code> (0x00) on success</p>
+<hr />
 <h3 id="6-get-message">6. Get Message</h3>
 <p><strong>Purpose</strong>: Request the next queued message from the device.</p>
 <p><strong>Command Format</strong>:</p>