samples: lwm2m_client: Add support for queue mode

Add support for the queue mode in the lwm2m_client sample. Signed-off-by: Robert Lubos <[email protected]>
bseazeng · Mar 10, 2020 · 2e80185 · 2e80185
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diff --git a/samples/net/lwm2m_client/README.rst b/samples/net/lwm2m_client/README.rst
@@ -43,6 +43,9 @@ samples/net/lwm2m_client directory:
 - :file:`overlay-bt.conf`
   This overlay config can be added to enable Bluetooth networking support.
 
+- :file:`overlay-queue.conf`
+  This overlay config can be added to enable LWM2M Queue Mode support.
+
 Build the lwm2m-client sample application like this:
 
 .. zephyr-app-commands::
@@ -135,6 +138,25 @@ commands (requires Bluetooth for networking):
    :goals: build
    :compact:
 
+Queue Mode Support
+==================
+
+To build the lwm2m-client sample with LWM2M Queue Mode support do the following:
+
+.. zephyr-app-commands::
+   :zephyr-app: samples/net/lwm2m_client
+   :host-os: unix
+   :board: <board to use>
+   :conf: "prj.conf overlay-queue.conf"
+   :goals: build
+   :compact:
+
+With Queue Mode enabled, the LWM2M client will register with "UDP with Queue
+Mode" binding. The LWM2M engine will notify the application with
+``LWM2M_RD_CLIENT_EVENT_QUEUE_MODE_RX_OFF`` event when the RX window
+is closed so it can e. g. turn the radio off. The next RX window will be open
+with consecutive ``LWM2M_RD_CLIENT_EVENT_REG_UPDATE_COMPLETE`` event.
+
 WNC-M14A2A LTE-M Modem Support
 ==============================
 

diff --git a/samples/net/lwm2m_client/overlay-queue.conf b/samples/net/lwm2m_client/overlay-queue.conf
@@ -0,0 +1,2 @@
+CONFIG_LWM2M_QUEUE_MODE_ENABLED=y
+CONFIG_LWM2M_ENGINE_DEFAULT_LIFETIME=180
diff --git a/samples/net/lwm2m_client/sample.yaml b/samples/net/lwm2m_client/sample.yaml
@@ -18,6 +18,12 @@ tests:
     extra_args: OVERLAY_CONFIG=overlay-bt.conf
     platform_whitelist: nrf52_pca10040 nrf52840_pca10056 disco_l475_iot1
     tags: net lwm2m
+  sample.net.lwm2m_client.queue_mode:
+    harness: net
+    depends_on: netif
+    extra_args: OVERLAY_CONFIG=overlay-queue.conf
+    platform_whitelist: qemu_x86
+    tags: net lwm2m
   sample.net.lwm2m_client.wnc_m14a2a:
     harness: net
     extra_args: SHIELD=wnc_m14a2a

diff --git a/samples/net/lwm2m_client/src/lwm2m-client.c b/samples/net/lwm2m_client/src/lwm2m-client.c
@@ -414,6 +414,9 @@ static void rd_client_event(struct lwm2m_ctx *client,
 		LOG_DBG("Disconnected");
 		break;
 
+	case LWM2M_RD_CLIENT_EVENT_QUEUE_MODE_RX_OFF:
+		LOG_DBG("Queue mode RX window closed");
+		break;
 	}
 }
Original file line number	Diff line number	Diff line change
		@@ -0,0 +1,2 @@
		CONFIG_LWM2M_QUEUE_MODE_ENABLED=y
		CONFIG_LWM2M_ENGINE_DEFAULT_LIFETIME=180
-Original file line number
+Diff line change
@@ Expand Up / @@ -414,6 +414,9 @@ static void rd_client_event(struct lwm2m_ctx *client, @@
     		LOG_DBG("Disconnected");
     		break;
+    	case LWM2M_RD_CLIENT_EVENT_QUEUE_MODE_RX_OFF:
+    		LOG_DBG("Queue mode RX window closed");
+    		break;
     	}
     }
@@ Expand Down @@