From a61b80817604f1cba6efe5e5e03d133d800638c2 Mon Sep 17 00:00:00 2001
From: Filipriec <filippriec@gmail.com>
Date: Tue, 25 Nov 2025 15:19:06 +0100
Subject: [PATCH] finalized plantuml

---
 .../software_uart/docs/tx_uml.txt             | 29 +++++++++++++++++++
 1 file changed, 29 insertions(+)
 create mode 100644 semestralka_1_final_crate/software_uart/docs/tx_uml.txt

diff --git a/semestralka_1_final_crate/software_uart/docs/tx_uml.txt b/semestralka_1_final_crate/software_uart/docs/tx_uml.txt
new file mode 100644
index 0000000..5ba7800
--- /dev/null
+++ b/semestralka_1_final_crate/software_uart/docs/tx_uml.txt
@@ -0,0 +1,29 @@
+@startuml
+title TX Path: pipe_rx → DMA → GPIOx_BSRR
+
+start
+
+
+
+repeat
+  :n = pipe_rx.read(rx_buf);
+  
+  if (n > 0?) then (ano)
+    :Enkodovanie rx_buf → frame_buf\n(encode_uart_frames);
+    
+    if (used > 0?) then (ano)
+      :TIM6.SR.UIF = false;
+      :Cakanie na TIM6 tick;
+      :TIM6.SR.UIF = false;
+      
+      :DMA Transfer\nframe_buf → GPIOx_BSRR;
+      :Transfer await;
+    endif
+  endif
+  
+  :yield_now();
+
+repeat while (true)
+
+stop
+@enduml