From 4ff9a7f03de7bb6955e8519460d0ec99e4cb574b Mon Sep 17 00:00:00 2001
From: Eduard Dlabal <eduard.dlabal@edcs.cz>
Date: Sun, 20 Apr 2025 21:02:49 +0200
Subject: [PATCH] Add usage message for UART address in main function

---
 output/main | Bin 22920 -> 22920 bytes
 src/main.c  |  14 +++++++++++---
 2 files changed, 11 insertions(+), 3 deletions(-)

diff --git a/output/main b/output/main
index 0d57115e99cca4542984e868bc3bed421b8e8b1e..ba0bc0ef600acae1d8e5db7ebcb16856b5d67106 100755
GIT binary patch
delta 42
zcmV+_0M-A9vjK>+0kEJ06fiEEBS%kB8jzDNa>q^a2TY^pPP4QF@IC=jv!z1g7GuE?
AZ2$lO

delta 42
zcmV+_0M-A9vjK>+0kEJ06w;LMwdJo>D)Cgml_TY2l%RQ9=CiZ|@IC=@v!z1g7SL1`
Ai~s-t

diff --git a/src/main.c b/src/main.c
index 93995ed..2e778ed 100644
--- a/src/main.c
+++ b/src/main.c
@@ -6,6 +6,7 @@
 #include <fcntl.h>
 #include <errno.h>
 #include <termios.h>
+#include <string.h>
 
 #include "users.h"
 #include "tui.h"
@@ -19,13 +20,19 @@ void *uartListener(void *arg)
         perror("Failed to open UART");
         return NULL;
     }
-    
+
     close(uart);
     return NULL;
 }
 
-int main(int argc, char const *argv[])
+int main(int argc, char const **argv)
 {
+    if (argc != 1)
+    {
+        printf("Usage: %s <Address of RFID reader>\n", argv[0]);
+        return EXIT_FAILURE;
+    }
+
     int y_max, x_max;
     char uart_address[51];
     pthread_t uart_thread;
@@ -51,7 +58,8 @@ int main(int argc, char const *argv[])
     erase();
     refresh();
 
-    uartDialog(uart_address, x_max, y_max);
+    // uartDialog(uart_address, x_max, y_max);
+    strcpy(uart_address, argv[1]);
 
     pthread_create(&uart_thread, NULL, uartListener, uart_address);