From 9e6dfc7d0edcb07df703a77d797b2c6a6718263f Mon Sep 17 00:00:00 2001
From: Eduard Dlabal <eduard.dlabal@edcs.cz>
Date: Sun, 18 May 2025 14:51:10 +0200
Subject: [PATCH] Update CSV data, refactor UART packet handling, and adjust
 TUI layout: modify person entries in CSV, change UART packet synchronization
 bytes, and update max_rows calculation in person listing.

---
 TestList.csv           |  8 +++-----
 include/rfid_handler.h |  2 +-
 src/rfid_handler.c     | 32 +++++++++++++++++++++++++++++---
 src/tui.c              |  2 +-
 4 files changed, 34 insertions(+), 10 deletions(-)

diff --git a/TestList.csv b/TestList.csv
index f40b5cf..598e60c 100644
--- a/TestList.csv
+++ b/TestList.csv
@@ -26,9 +26,7 @@
 28,Alena,Matouskova,3037,1,0,0
 29,Josef,Suchy,3038,1,0,0
 30,Marketa,Rezacova,3039,1,0,0
-31,Libor,Hanak,3040,1,0,0
+31,Libor,Hanak,3040,1747561377,0,1
 32,Libor,Hanak,3040,1,0,0
-17267,Kamil,Novacek,2502,0,0,0
-17747,Kamil,Franta,2502,0,0,0
-17767,Kamil,Filip,2502,0,0,0
-9158,Jindrich,Sidlo,2440,0,0,0
+17767,Grzegorz,Brzeczyszczykiewicz,2502,0,0,0
+9158,Zima,Tomas,2440,1747561372,0,1
diff --git a/include/rfid_handler.h b/include/rfid_handler.h
index 1e413b3..d8ecc4f 100644
--- a/include/rfid_handler.h
+++ b/include/rfid_handler.h
@@ -24,6 +24,6 @@ void *uartListener(void *arg);
 
 uint16_t parseIncommingPacket(BYTE *_packet);
 
-void sendPacketToDevice(BYTE *_packet);
+void sendPacketToDevice(int _uart, node_t *_person);
 
 #endif
diff --git a/src/rfid_handler.c b/src/rfid_handler.c
index c85796e..f0b3920 100644
--- a/src/rfid_handler.c
+++ b/src/rfid_handler.c
@@ -96,7 +96,7 @@ void *uartListener(void *arg)
         switch (state)
         {
         case SYNC0:
-            if (byte == 0x55)
+            if (byte == 0xFF)
             {
                 packet[0] = byte;
                 packet_index = 1;
@@ -105,7 +105,7 @@ void *uartListener(void *arg)
             break;
 
         case SYNC1:
-            if (byte == 0xFF)
+            if (byte == 0x55)
             {
                 packet[1] = byte;
                 packet_index = 2;
@@ -130,7 +130,9 @@ void *uartListener(void *arg)
                 if (crc == packet[5])
                 {
                     uint16_t r_uuid = parseIncommingPacket(packet);
-                    addTimeEvent(searchPersonByUUID(person_list, r_uuid), person_list);
+                    node_t *selected = searchPersonByUUID(person_list, r_uuid);
+                    addTimeEvent(selected, person_list);
+                    //sendPacketToDevice(uart, selected);
                 }
                 else
                 {
@@ -154,4 +156,28 @@ uint16_t parseIncommingPacket(BYTE *_packet)
     memcpy(&r_event_type, &_packet[4], 1);
 
     return r_id;
+}
+
+void sendPacketToDevice(int _uart, node_t *_person)
+{
+    BYTE packet[72];
+    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;
+    time_t current_time = time(NULL);
+    memcpy(packet + offset, &current_time, sizeof(time_t));
+    offset += time(NULL);
+    BYTE crc = 0;
+    for (int i = 0; i < offset; i++)
+    {
+        crc ^= packet[i];
+    }
+    packet[offset] = crc;
+    offset += 1;
+    write(_uart, packet, 72);
 }
\ No newline at end of file
diff --git a/src/tui.c b/src/tui.c
index 277e05f..8118068 100644
--- a/src/tui.c
+++ b/src/tui.c
@@ -260,7 +260,7 @@ void personListing(list_t *person_list, int terminal_x, int terminal_y)
 
     WINDOW *personlisting = newwin(win_height, win_width, start_y, start_x);
 
-    int max_rows = win_height - 2;
+    int max_rows = win_height - 3;
     int total_count = 0;
     node_t *current = person_list->head;
     while (current)