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--- en:iot-open:practical:hardware:sut:esp32:iot_6 [2024/05/07 12:50] – [Start] pczekalski
+++ en:iot-open:practical:hardware:sut:esp32:iot_6 [2024/06/29 15:52] (current) – [Prerequisites] pczekalski
@@ Line 15: / Line 15: @@
 <code ini>
 lib_deps =
-    hirotakaster/CoAP simple library
+    hirotakaster/CoAP simple library@1.3.28
 </code>
@@ Line 56: / Line 56: @@
 Declare an IP address of the CoAP server endpoint. Adjust ''a, b, c d'' as needed for your context; see node's technical documentation for integration services details:
 <code c>
+#define CoAPport 5683
+#define CoAPpath "<here comes CoAP service path, without header, IP and port>"
 IPAddress coapExtSeviceIP(a,b,c,d);
 </code>
+<note tip>The ''CoAPpath'' is just a path part of the URI, e.g. if your CoAP service URI is:
+<code>
+coap://your_coap_server:9876/path_to_the_service/and_another_path
+</code>
+then your ''CoAPpath'' should be declared as:
+<code c>
+#define CoAPpath "path_to_the_service/and_another_path"
+</code></note>
 === Step 4 ===
 Declate communication objects:
@@ Line 91: / Line 100: @@
 === Step 7 ===
+Make a call (GET) request to the service. Remember to provide the correct URI part.\\
+Mind that the last argument of the function is a "path" part of the URI.
+The laboratory technical documentation provides a list of the services, their URIs (including paths), methods, and IP ports.
+<code c>
+int msgid = coap.get(coapExtSeviceIP,CoAPport,CoAPpath);
+</code>
+=== Step 8 ===
 Process CoAP services in the ''void loop()'':
 <code c>

en/iot-open/practical/hardware/sut/esp32/iot_6.1715086242.txt.gz · Last modified: 2024/05/07 12:50 by pczekalski