added set owner details functionality

i added some code to the Qt application so that it can send the owner name and surname to set on the microcontroller

project/Core/Inc/UDP_broadcast.h

@@ -31,8 +31,9 @@
 #define F_REPLY "format_reply"
 
 // Defines used by UDP callback
-#define MAX_DATA_SIZE 30                      // Define the maximum expected data size
+#define MAX_DATA_SIZE 50                     // Define the maximum expected data size
 #define UDP_QUESTION1 "Where are you?v1.0"    // Expected request from UDP client
+#define UDP_QUESTION2 "Change details to:"    // Expected request from UDP client
 
 /**
  * @struct owner_details_t

project/Core/Src/UDP_broadcast.c

@@ -198,9 +198,60 @@ char* udp_broadcast_get_owner_details_surname(){
  */
 
 char* udp_broadcast_get_owner_details_reply(){
-	return udp_owner.reply;
+    return udp_owner.reply;
 }
 
+/**
+ * @fn void udp_broadcast_check_function(const char[])
+ * @brief
+ *
+ * @param data
+ */
+
+static void udp_broadcast_check_function(const char data[MAX_DATA_SIZE]){
+    char func[7];
+    char buffer[20];
+    uint8_t enders[4];
+    uint8_t counter = 0;
+    memset(func, 0, sizeof(func));
+    memset(buffer, 0, sizeof(buffer));
+
+    for (uint8_t i = 0; i<6;i++){
+        func[i] = data[i];
+    }
+    if (strcmp(func,"func1:")==0){
+        for (uint8_t i = 0; i < strlen(data); i++){
+            if (data[i] == ',' || data[i] == ':'){
+                enders[counter] = i;
+                counter++;
+            }
+        }
+        if(enders[2] - enders[1] < 20 && strlen(data) - enders[3] < 20 && strncmp(data+enders[0],":name",5) == 0 && strncmp(data+enders[2],", surname",9) == 0 ){
+            counter = 0;
+            for (uint8_t i = enders[1]+2; i< enders[2];i++){
+                buffer[counter] = data[i];
+                counter++;
+            }
+            if (strcmp(buffer,"") == 0){
+                strncpy(buffer,"name",sizeof(buffer));
+            }
+            LOG_INFO(TAG,"new owner name:%s",buffer);
+            udp_broadcast_set_owner_details_name(buffer);
+            memset(buffer, 0, sizeof(buffer));
+            counter = 0;
+            for (uint8_t i = enders[3]+2; i< strlen(data);i++){
+                buffer[counter] = data[i];
+                counter++;
+            }
+            if (strcmp(buffer,"") == 0){
+                strncpy(buffer,"default",sizeof(buffer));
+            }
+            LOG_INFO(TAG,"new owner surname:%s",buffer);
+            udp_broadcast_set_owner_details_surname(buffer);
+            udp_broadcast_format_reply();
+        }
+    }
+}
 
 /**
  * @fn void udp_receive_callback(void*, struct udp_pcb*, struct pbuf*, const ip_addr_t*, u16_t)
@@ -233,23 +284,33 @@ static void udp_receive_callback(void* arg, struct udp_pcb* connection, struct p
 		if (p_data == NULL){
 			LOG_WARN(TAG,"udp_receive_callback: unable to allocate data buffer for reply");
 		}else if (len <= MAX_DATA_SIZE){
-			for (size_t i = 0; i < len; i++) {
+		    for (size_t i = 0; i < len; i++) {
-				data[i] = pc[i];
+		        data[i] = pc[i];
-			}
+		    }
 
-			LOG_INFO(TAG,"udp_receive_callback: received data from %s at port: %d: %s",source_ip_str,port,data);
+		    LOG_INFO(TAG,"udp_receive_callback: received data from %s at port: %d: %s",source_ip_str,port,data);
-			if (strcmp(data,UDP_QUESTION1) == 0){
+		    if (strcmp(data,UDP_QUESTION1) == 0){
-				p_data->payload = udp_owner.reply;
+		        p_data->payload = udp_owner.reply;
-				p_data->len = strlen(udp_owner.reply);
+		        p_data->len = strlen(udp_owner.reply);
-				p_data->tot_len = strlen(udp_owner.reply);
+		        p_data->tot_len = strlen(udp_owner.reply);
-				udp_sendto(connection, p_data, addr, 64000);    /* Was using the sending port of the pc,
+		        udp_sendto(connection, p_data, addr, 64000);    /* Was using the sending port of the pc,
-				* this is not the port that Qt is listening to
+		         * this is not the port that Qt is listening to
-				*/
+		         */
-				LOG_INFO(TAG,"tried to reply to %s at port: %d: %s",source_ip_str,port,udp_owner.reply);
+		        LOG_INFO(TAG,"tried to reply to %s at port: %d: %s",source_ip_str,port,udp_owner.reply);
-			}
+		    }else{
+		        LOG_INFO(TAG,"other function called");
+		        udp_broadcast_check_function(data);
+		        p_data->payload = udp_owner.reply;
+		        p_data->len = strlen(udp_owner.reply);
+		        p_data->tot_len = strlen(udp_owner.reply);
+		        udp_sendto(connection, p_data, addr, 64000);    /* Was using the sending port of the pc,
+		         * this is not the port that Qt is listening to
+		         */
+		        LOG_INFO(TAG,"tried to reply to %s at port: %d: %s",source_ip_str,port,udp_owner.reply);
+		    }
 
 		}else{
-			LOG_WARN(TAG,"udp_receive_callback: input buffer was bigger than max size %d",MAX_DATA_SIZE);
+		    LOG_WARN(TAG,"udp_receive_callback: input buffer was bigger than max size %d",MAX_DATA_SIZE);
 		}
 
 	}else{