Lora: All API methods should check if stack has been initialized

features/lorawan/LoRaWANStack.cpp

@@ -127,6 +127,10 @@ lorawan_status_t LoRaWANStack::initialize_mac_layer(EventQueue *queue)
 
 lorawan_status_t LoRaWANStack::set_lora_callbacks(const lorawan_app_callbacks_t *callbacks)
 {
+    if (DEVICE_STATE_NOT_INITIALIZED == _device_current_state) {
+        return LORAWAN_STATUS_NOT_INITIALIZED;
+    }
+
     if (!callbacks || !callbacks->events) {
         return LORAWAN_STATUS_PARAMETER_INVALID;
     }
@@ -148,7 +152,6 @@ lorawan_status_t LoRaWANStack::set_lora_callbacks(const lorawan_app_callbacks_t
 lorawan_status_t LoRaWANStack::connect()
 {
     if (DEVICE_STATE_NOT_INITIALIZED == _device_current_state) {
-        tr_error("Stack not initialized!");
         return LORAWAN_STATUS_NOT_INITIALIZED;
     }
 
@@ -164,7 +167,6 @@ lorawan_status_t LoRaWANStack::connect()
 lorawan_status_t LoRaWANStack::connect(const lorawan_connect_t &connect)
 {
     if (DEVICE_STATE_NOT_INITIALIZED == _device_current_state) {
-        tr_error("Stack not initialized!");
         return LORAWAN_STATUS_NOT_INITIALIZED;
     }
 
@@ -186,7 +188,6 @@ lorawan_status_t LoRaWANStack::connect(const lorawan_connect_t &connect)
 lorawan_status_t LoRaWANStack::add_channels(const lorawan_channelplan_t &channel_plan)
 {
     if (_device_current_state == DEVICE_STATE_NOT_INITIALIZED) {
-        tr_error("Stack not initialized!");
         return LORAWAN_STATUS_NOT_INITIALIZED;
     }
 
@@ -196,7 +197,6 @@ lorawan_status_t LoRaWANStack::add_channels(const lorawan_channelplan_t &channel
 lorawan_status_t LoRaWANStack::remove_a_channel(uint8_t channel_id)
 {
     if (_device_current_state == DEVICE_STATE_NOT_INITIALIZED) {
-        tr_error("Stack not initialized!");
         return LORAWAN_STATUS_NOT_INITIALIZED;
     }
 
@@ -206,7 +206,6 @@ lorawan_status_t LoRaWANStack::remove_a_channel(uint8_t channel_id)
 lorawan_status_t LoRaWANStack::drop_channel_list()
 {
     if (_device_current_state == DEVICE_STATE_NOT_INITIALIZED) {
-        tr_error("Stack not initialized!");
         return LORAWAN_STATUS_NOT_INITIALIZED;
     }
 
@@ -216,7 +215,6 @@ lorawan_status_t LoRaWANStack::drop_channel_list()
 lorawan_status_t LoRaWANStack::get_enabled_channels(lorawan_channelplan_t& channel_plan)
 {
     if (_device_current_state == DEVICE_STATE_NOT_INITIALIZED) {
-        tr_error("Stack not initialized!");
         return LORAWAN_STATUS_NOT_INITIALIZED;
     }
 
@@ -225,6 +223,10 @@ lorawan_status_t LoRaWANStack::get_enabled_channels(lorawan_channelplan_t& chann
 
 lorawan_status_t LoRaWANStack::set_confirmed_msg_retry(uint8_t count)
 {
+    if (_device_current_state == DEVICE_STATE_NOT_INITIALIZED) {
+        return LORAWAN_STATUS_NOT_INITIALIZED;
+    }
+
     if (count >= MAX_CONFIRMED_MSG_RETRIES) {
         return LORAWAN_STATUS_PARAMETER_INVALID;
     }
@@ -236,9 +238,7 @@ lorawan_status_t LoRaWANStack::set_confirmed_msg_retry(uint8_t count)
 
 lorawan_status_t LoRaWANStack::set_channel_data_rate(uint8_t data_rate)
 {
-    if (DEVICE_STATE_NOT_INITIALIZED == _device_current_state)
+    if (DEVICE_STATE_NOT_INITIALIZED == _device_current_state) {
-    {
-        tr_error("Stack not initialized!");
         return LORAWAN_STATUS_NOT_INITIALIZED;
     }
 
@@ -248,11 +248,10 @@ lorawan_status_t LoRaWANStack::set_channel_data_rate(uint8_t data_rate)
 
 lorawan_status_t LoRaWANStack::enable_adaptive_datarate(bool adr_enabled)
 {
-    if (_device_current_state == DEVICE_STATE_NOT_INITIALIZED)
+    if (_device_current_state == DEVICE_STATE_NOT_INITIALIZED) {
-    {
-        tr_error("Stack not initialized!");
         return LORAWAN_STATUS_NOT_INITIALIZED;
     }
+
     _loramac.enable_adaptive_datarate(adr_enabled);
     return LORAWAN_STATUS_OK;
 }
@@ -410,6 +409,10 @@ int16_t LoRaWANStack::handle_rx(uint8_t* data, uint16_t length, uint8_t& port, i
 
 lorawan_status_t LoRaWANStack::set_link_check_request()
 {
+    if (DEVICE_STATE_NOT_INITIALIZED == _device_current_state) {
+        return LORAWAN_STATUS_NOT_INITIALIZED;
+    }
+
     _link_check_requested = true;
     if (!_callbacks.link_check_resp) {
         tr_error("Must assign a callback function for link check request. ");
@@ -427,11 +430,19 @@ void LoRaWANStack::remove_link_check_request()
 
 lorawan_status_t LoRaWANStack::shutdown()
 {
+    if (DEVICE_STATE_NOT_INITIALIZED == _device_current_state) {
+        return LORAWAN_STATUS_NOT_INITIALIZED;
+    }
+
     return state_controller(DEVICE_STATE_SHUTDOWN);
 }
 
 lorawan_status_t LoRaWANStack::set_device_class(const device_class_t& device_class)
 {
+    if (DEVICE_STATE_NOT_INITIALIZED == _device_current_state) {
+        return LORAWAN_STATUS_NOT_INITIALIZED;
+    }
+
     if (device_class == CLASS_B) {
         return LORAWAN_STATUS_UNSUPPORTED;
     }