Merge pull request #52 from ARMmbed/replace_button_with_timer

Add a timer for incrementing example value.

Author: esajaa

main.cpp

@@ -37,17 +37,23 @@ static M2MResource* m2m_put_res;
 static M2MResource* m2m_post_res;
 static M2MResource* m2m_deregister_res;
 
+EventQueue queue(32 * EVENTS_EVENT_SIZE);
+Thread t;
+Mutex value_increment_mutex;
+
 void print_client_ids(void)
 {
     printf("Account ID: %s\n", cloud_client->endpoint_info()->account_id.c_str());
     printf("Endpoint name: %s\n", cloud_client->endpoint_info()->internal_endpoint_name.c_str());
     printf("Device ID: %s\n\n", cloud_client->endpoint_info()->endpoint_name.c_str());
 }
 
-void button_press(void)
+void value_increment(void)
 {
+    value_increment_mutex.lock();
     m2m_get_res->set_value(m2m_get_res->get_value_int() + 1);
     printf("Counter %" PRIu64 "\n", m2m_get_res->get_value_int());
+    value_increment_mutex.unlock();
 }
 
 void put_update(const char* /*object_name*/)
@@ -160,7 +166,7 @@ int main(void)
     // PUT resource 3201/0/5853
     m2m_put_res = M2MInterfaceFactory::create_resource(m2m_obj_list, 3201, 0, 5853, M2MResourceInstance::INTEGER, M2MBase::GET_PUT_ALLOWED);
     if (m2m_put_res->set_value(0) != true) {
-        printf("m2m_led_res->set_value() failed\n");
+        printf("m2m_put_res->set_value() failed\n");
         return -1;
     }
     if (m2m_put_res->set_value_updated_function(put_update) != true) {
@@ -197,6 +203,9 @@ int main(void)
     cloud_client->add_objects(m2m_obj_list);
     cloud_client->setup(network); // cloud_client->setup(NULL); -- https://jira.arm.com/browse/IOTCLT-3114
 
+    t.start(callback(&queue, &EventQueue::dispatch_forever));
+    queue.call_every(5000, value_increment);
+
     while(cloud_client_running) {
         int in_char = getchar();
         if (in_char == 'i') {
@@ -208,7 +217,7 @@ int main(void)
             wait(1);
             NVIC_SystemReset();
         } else if (in_char > 0 && in_char != 0x03) { // Ctrl+C is 0x03 in Mbed OS and Linux returns negative number
-            button_press(); // Simulate button press
+            value_increment(); // Simulate button press
             continue;
         }
         deregister_client();