examples/wakaama: use light control object when LED0 is present

examples/wakaama/Makefile

@@ -32,6 +32,7 @@ SERVER_URI ?= '"coap://[fd00:dead:beef::1]"'
 
 # NOTE: Add the package for wakaama
 USEPKG += wakaama
+USEMODULE += wakaama_objects_light_control
 # Uncomment to enable Wakaama debug log
 #CFLAGS += -DCONFIG_LWM2M_WITH_LOGS=1
 

examples/wakaama/README.md

@@ -6,10 +6,10 @@ on the node with instances of the following objects:
 - [Security object](http://www.openmobilealliance.org/tech/profiles/LWM2M_Security-v1_0.xml)
 - [Server object](http://www.openmobilealliance.org/tech/profiles/LWM2M_Server-v1_0.xml)
 - [Device object](http://www.openmobilealliance.org/tech/profiles/LWM2M_Device-v1_0_3.xml)
+- [Light control object](https://raw.githubusercontent.com/OpenMobileAlliance/lwm2m-registry/prod/3311.xml)
 
 The application is based on the Eclipse Wakaama
-[example client](https://github.com/eclipse/wakaama/tree/master/examples/client)
-.
+[example client](https://github.com/eclipse/wakaama/tree/master/examples/client).
 
 ## Usage
 
@@ -111,3 +111,7 @@ BOARD=<board> make clean all flash term
 #### Shell commands
 - `lwm2m start`: Starts the LwM2M by configuring the module and registering to
   the server.
+- `lwm2m light <on|off> <dimmer> [color]`: Sets the light state to on or off,
+  with a given dimmer value and optional color.
+- `lwm2m mem`: (Only available if `DEVELHELP` is enabled in your Makefile) Prints the memory
+  usage of the LwM2M module.

examples/wakaama/lwm2m_cli.c

@@ -17,17 +17,41 @@
  * @}
  */
 
-#include "kernel_defines.h"
+#include "board.h"
 #include "lwm2m_client.h"
 #include "lwm2m_client_objects.h"
 #include "lwm2m_platform.h"
+#include "objects/light_control.h"
+#include "objects/common.h"
 
-#define OBJ_COUNT (3)
+#define LED_COLOR "FFFFFF"
+#define LED_APP_TYPE "LED 0"
+# define OBJ_COUNT (4)
 
 uint8_t connected = 0;
 lwm2m_object_t *obj_list[OBJ_COUNT];
 lwm2m_client_data_t client_data;
 
+void _light_cb(lwm2m_object_t *object, uint16_t instance_id, bool status, uint8_t dimmer,
+               const char* color, const char* app_type, void *arg)
+{
+    (void)object;
+    (void)instance_id;
+    (void)arg;
+
+    printf("LED (%s) is now %s, with color %s and intensity %d%%\n", app_type, status? "ON":"OFF",
+           color, dimmer);
+
+#ifdef LED0_ON
+    if (status) {
+        LED0_ON;
+    }
+    else {
+        LED0_OFF;
+    }
+#endif
+}
+
 void lwm2m_cli_init(void)
 {
     /* this call is needed before creating any objects */
@@ -38,11 +62,59 @@ void lwm2m_cli_init(void)
     obj_list[1] = lwm2m_client_get_server_object(&client_data);
     obj_list[2] = lwm2m_client_get_device_object(&client_data);
 
+#ifdef LED0_ON
+    obj_list[3] = lwm2m_object_light_control_get();
+    lwm2m_obj_light_control_args_t args = {
+        .cb = _light_cb,
+        .cb_arg = NULL,
+        .color = LED_COLOR,
+        .color_len = sizeof(LED_COLOR) - 1,
+        .app_type = LED_APP_TYPE,
+        .app_type_len = sizeof(LED_APP_TYPE) - 1
+    };
+
+    int res = lwm2m_object_light_control_instance_create(obj_list[3], 0, &args);
+
+    if (res < 0) {
+        puts("Error instantiating light control");
+    }
+#endif
+
     if (!obj_list[0] || !obj_list[1] || !obj_list[2]) {
         puts("Could not create mandatory objects");
     }
 }
 
+static int _parse_lwm2m_light_cmd(int argc, char **argv)
+{
+    if (argc < 4) {
+        printf("usage: %s light <on|off> <dimmer> [color]\n", argv[0]);
+        return 1;
+    }
+
+    bool status = !strcmp(argv[2], "on");
+    uint8_t dimmer = atoi(argv[3]);
+
+    lwm2m_uri_t uri;
+    uri.flag = LWM2M_URI_FLAG_OBJECT_ID | LWM2M_URI_FLAG_INSTANCE_ID | LWM2M_URI_FLAG_RESOURCE_ID;
+    uri.objectId = LWM2M_LIGHT_CONTROL_OBJECT_ID;
+    uri.instanceId = 0;
+
+    uri.resourceId = LWM2M_LIGHT_CONTROL_ON_OFF_ID;
+    lwm2m_set_bool(&client_data, &uri, status);
+
+    uri.resourceId = LWM2M_LIGHT_CONTROL_DIMMER_ID;
+    lwm2m_set_int(&client_data, &uri, dimmer);
+
+    if (argc > 4) {
+        char* color = argv[4];
+        uri.resourceId = LWM2M_LIGHT_CONTROL_COLOUR_ID;
+        lwm2m_set_string(&client_data, &uri, color, strlen(color));
+    }
+
+    return 0;
+}
+
 int lwm2m_cli_cmd(int argc, char **argv)
 {
     if (argc == 1) {
@@ -57,17 +129,21 @@ int lwm2m_cli_cmd(int argc, char **argv)
         return 0;
     }
 
-    if (IS_ACTIVE(DEVELHELP) && !strcmp(argv[1],"mem")) {
+    if (IS_ACTIVE(DEVELHELP) && !strcmp(argv[1], "mem")) {
         lwm2m_tlsf_status();
         return 0;
     }
 
+    if (!strcmp(argv[1], "light")) {
+        return _parse_lwm2m_light_cmd(argc, argv);
+    }
+
 help_error:
     if (IS_ACTIVE(DEVELHELP)) {
-        printf("usage: %s <start|mem>\n", argv[0]);
+        printf("usage: %s <start|mem|light>\n", argv[0]);
     }
     else {
-        printf("usage: %s <start>\n", argv[0]);
+        printf("usage: %s <start|light>\n", argv[0]);
     }
 
     return 1;