Enhance UART handling and improve TUI input management

.gitignore

@@ -51,4 +51,6 @@ modules.order
 Module.symvers
 Mkfile.old
 dkms.conf
+output/
+.vscode/
 

src/main.c

@@ -12,7 +12,15 @@
 
 void *uartListener(void *arg)
 {
+    char *uart_address = (char *)arg;
+    int uart = open(uart_address, O_RDWR | O_NOCTTY | O_NDELAY);
+    if (uart == -1)
+    {
+        perror("Failed to open UART");
+        return NULL;
+    }
     
+    close(uart);
     return NULL;
 }
 
@@ -27,12 +35,15 @@ int main(int argc, char const *argv[])
     getmaxyx(stdscr, y_max, x_max);
     if (x_max <= MIN_X_TERMINAL_SIZE || y_max <= MIN_Y_TERMINAL_SIZE)
     {
+        endwin();
+        clear();
         puts("Terminal is too small. Exiting...\n");
         return EXIT_FAILURE;
     }
 
     noecho();
     noraw();
+    cbreak();
     start_color();
     curs_set(0);
 
@@ -42,7 +53,7 @@ int main(int argc, char const *argv[])
 
     uartDialog(uart_address, x_max, y_max);
 
-    pthread_create(&uart_thread, NULL, uartListener, NULL);
+    pthread_create(&uart_thread, NULL, uartListener, uart_address);
 
     //
 

src/tui.c

@@ -29,42 +29,54 @@ void uartDialog(char *uart_adress, int terminal_x, int terminal_y)
     wattroff(uartwin, COLOR_PAIR(1));
     wrefresh(uartwin);
 
-    // menu...
-    int choice;
+    char choice;
     int highlight = 0;
 
-    keypad(uartwin, TRUE);
+    int text_x = (win_width - 52) / 2;
+    int button_x = (win_width - 7) / 2;
+
+    keypad(uartwin, true);
     while (1)
     {
-        int text_x = (win_width - 52) / 2;
+        // Input array
         if (highlight == 0)
-        {
             wattron(uartwin, COLOR_PAIR(2));
-            mvwprintw(uartwin, 5, text_x, "[__________________________________________________]");
-            wattroff(uartwin, COLOR_PAIR(2));
-        }
+        else
+            wattron(uartwin, COLOR_PAIR(1));
+
         mvwprintw(uartwin, 5, text_x, "[%50s]", input);
+        if (!strcmp(input, "\0"))
+            mvwprintw(uartwin, 5, text_x, "[__________________________________________________]");
 
-        int button_x = (win_width - 7) / 2;
-        if (highlight == 1)
-        {
-            wattron(uartwin, COLOR_PAIR(2));
-            mvwprintw(uartwin, 7, button_x, "<Enter>");
+        if (highlight == 0)
             wattroff(uartwin, COLOR_PAIR(2));
-        }
-        mvwprintw(uartwin, 7, button_x, "<Enter>");
+        else
+            wattroff(uartwin, COLOR_PAIR(1));
 
+        // Enter button
+        if (highlight == 1)
+            wattron(uartwin, COLOR_PAIR(2));
+        else
+            wattron(uartwin, COLOR_PAIR(1));
+        mvwprintw(uartwin, 7, button_x - 2, "  %s  ", "<Enter>");
+        if (highlight == 1)
+            wattroff(uartwin, COLOR_PAIR(2));
+        else
+            wattroff(uartwin, COLOR_PAIR(1));
         wrefresh(uartwin);
 
+        flushinp();
         choice = wgetch(uartwin);
+
         if (choice == '\t')
         {
-            highlight=!highlight;
+            highlight = !highlight;
         }
 
+        else if (choice == '\n')
+        {
             if (highlight == 0)
             {
-            wattron(uartwin, COLOR_PAIR(2));
                 mvwprintw(uartwin, 5, (win_width - 52) / 2, "[__________________________________________________]");
                 echo();
                 wmove(uartwin, 5, ((win_width - 52) / 2) + 1);
@@ -72,7 +84,6 @@ void uartDialog(char *uart_adress, int terminal_x, int terminal_y)
                 flushinp();
                 wgetnstr(uartwin, input, 50);
                 curs_set(0);
-            wattroff(uartwin, COLOR_PAIR(2));
                 noecho();
             }
             else if (highlight == 1)
@@ -90,4 +101,5 @@ void uartDialog(char *uart_adress, int terminal_x, int terminal_y)
                 }
             }
         }
+    }
 }