Refactor UART handling and TUI integration: update UART thread structure and improve dialog management for better user experience.

src/rfid_handler.c

@@ -129,14 +129,16 @@ void *uartListener(void *arg)
 
                 if (crc == packet[5])
                 {
+                    BYTE success;
                     uint16_t r_uuid = parseIncommingPacket(packet);
                     node_t *selected = searchPersonByUUID(person_list, r_uuid);
-                    addTimeEvent(selected, person_list);
-                    //sendPacketToDevice(uart, selected);
+                    success = addTimeEvent(selected, person_list);
+                    sendPacketToDevice(uart, selected, success);
                 }
                 else
                 {
-                    // fprintf(stderr, "Chyba CRC!\n");
+                    //fprintf(stderr, "Chyba CRC!\n");
+                    sendPacketToDevice(uart, NULL, 0);
                 }
                 state = SYNC0;
             }
@@ -158,20 +160,43 @@ uint16_t parseIncommingPacket(BYTE *_packet)
     return r_id;
 }
 
-void sendPacketToDevice(int _uart, node_t *_person)
+void sendPacketToDevice(int _uart, node_t *_person, BYTE state)
 {
-    BYTE packet[72];
+    BYTE packet[76];
     int offset = 0;
     packet[0] = 0xFF;
-    packet[1] = 0X55;
-    offset += 2;
-    memcpy(packet + offset, _person->user.name, 32);
-    offset += 32;
-    memcpy(packet + offset, _person->user.surname, 32);
-    offset += 32;
+    packet[1] = 0x55;
+    packet[2] = state;
+    offset += 3;
+
+    if (_person)
+    {
+
+        memset(packet + offset, 0, 32);
+        if (_person->user.name)
+        {
+            strncpy((char *)(packet + offset), _person->user.name, 31);
+            packet[offset + 31] = '\0';
+        }
+        offset += 32;
+
+        memset(packet + offset, 0, 32);
+        if (_person->user.surname)
+        {
+            strncpy((char *)(packet + offset), _person->user.surname, 31);
+            packet[offset + 31] = '\0';
+        }
+        offset += 32;
+    }
+    else
+    {
+        memset(packet + offset, 0, 64);
+        offset += 64;
+    }
     time_t current_time = time(NULL);
     memcpy(packet + offset, &current_time, sizeof(time_t));
-    offset += time(NULL);
+    offset += sizeof(time_t);
+
     BYTE crc = 0;
     for (int i = 0; i < offset; i++)
     {
@@ -179,5 +204,6 @@ void sendPacketToDevice(int _uart, node_t *_person)
     }
     packet[offset] = crc;
     offset += 1;
-    write(_uart, packet, 72);
+
+    write(_uart, packet, offset);
 }

src/tui.c

@@ -484,6 +484,10 @@ void personSearch(list_t *person_list, int terminal_x, int terminal_y)
 
 void personInfo(list_t *_list, node_t *_person, int terminal_x, int terminal_y)
 {
+    if (_person == NULL || _list == NULL)
+    {
+        return;
+    }
     int win_height = 14;
     int win_width = 60;
     int start_y = (terminal_y - win_height) / 2;

src/users.c

@@ -245,6 +245,7 @@ int addTimeEvent(
     list_t *_list)
 {
     time_t current_time = time(0);
+    BYTE type;
 
     if (_person == NULL)
     {
@@ -261,10 +262,15 @@ int addTimeEvent(
     }
 
     _person->user.available = !_person->user.available;
+    if (_person->user.available == TRUE)
+        type = 1;
+    else
+        type = 2;
+
     _person->user.last_time_event = current_time;
     pthread_mutex_unlock(&_list->lock);
 
-    return 1;
+    return type;
 }
 
 int removePersonFromList(list_t *_list, node_t **_person)