Thread minimal end device operating mode added

Author: Kari Severinkangas

features/nanostack/FEATURE_NANOSTACK/mbed-mesh-api/README.md

@@ -40,8 +40,8 @@ An example of the configuration file:
 | Parameter name  | Value         | Description |
 | --------------- | ------------- | ----------- |
 | thread-pskd     | string [6-255 chars] | Human-scaled commissioning credentials. |
-| thread-device-type | enum from mesh_device_type_t | Set device operating mode. |
 | thread-use-static-link-config | boolean | True: Use the below link config, False: Use commissioning, ignore the below link config. |
+| thread-device-type | enum from mesh_device_type_t | Supported device operating modes: MESH_DEVICE_TYPE_THREAD_ROUTER, MESH_DEVICE_TYPE_THREAD_SLEEPY_END_DEVICE, MESH_DEVICE_TYPE_THREAD_MINIMAL_END_DEVICE |
 | thread-config-channel-mask | number [0-0x07fff800] | Channel mask, 0x07fff800 scans all channels. |
 | thread-config-channel-page | number [0, 2]| Channel page, 0 for 2,4 GHz and 2 for sub-GHz radios. |
 | thread-config-channel      | number [0-27] | RF channel to use. |

features/nanostack/FEATURE_NANOSTACK/mbed-mesh-api/mbed-mesh-api/mesh_interface_types.h

@@ -55,7 +55,8 @@ typedef enum {
  */
 typedef enum {
     MESH_DEVICE_TYPE_THREAD_ROUTER = 0,         /*<! Thread router */
-    MESH_DEVICE_TYPE_THREAD_SLEEPY_END_DEVICE  /*<! Thread Sleepy end device */
+    MESH_DEVICE_TYPE_THREAD_SLEEPY_END_DEVICE,  /*<! Thread Sleepy end device */
+    MESH_DEVICE_TYPE_THREAD_MINIMAL_END_DEVICE  /*<! Thread minimal end device */
 } mesh_device_type_t;
 
 #ifdef __cplusplus

features/nanostack/FEATURE_NANOSTACK/mbed-mesh-api/source/thread_tasklet.c

@@ -255,7 +255,11 @@ void thread_tasklet_configure_and_connect_to_network(void)
     int8_t status;
     link_configuration_s* temp_link_config=NULL;
 
-    if (MBED_CONF_MBED_MESH_API_THREAD_DEVICE_TYPE == MESH_DEVICE_TYPE_THREAD_SLEEPY_END_DEVICE) {
+
+    if (MBED_CONF_MBED_MESH_API_THREAD_DEVICE_TYPE == MESH_DEVICE_TYPE_THREAD_MINIMAL_END_DEVICE) {
+            thread_tasklet_data_ptr->operating_mode = NET_6LOWPAN_HOST;
+    }
+    else if (MBED_CONF_MBED_MESH_API_THREAD_DEVICE_TYPE == MESH_DEVICE_TYPE_THREAD_SLEEPY_END_DEVICE) {
         thread_tasklet_data_ptr->operating_mode = NET_6LOWPAN_SLEEPY_HOST;
     } else {
         thread_tasklet_data_ptr->operating_mode = NET_6LOWPAN_ROUTER;