From f38e50937f08a7c61ba02b35c179814862ad4315 Mon Sep 17 00:00:00 2001
From: Jan Mrna <mj370@protonmail.com>
Date: Sat, 16 May 2026 18:50:14 +0200
Subject: [PATCH] Comment

---
 fw/Core/Src/main.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/fw/Core/Src/main.c b/fw/Core/Src/main.c
index 9f093f4..2d73141 100644
--- a/fw/Core/Src/main.c
+++ b/fw/Core/Src/main.c
@@ -160,6 +160,8 @@ int main(void)
       state = GPIO_PIN_RESET;
     }
     HAL_GPIO_WritePin(VDD_LEDL_EN_GPIO_Port, VDD_LEDL_EN_Pin, state);
+
+    // Polarity switch (H-bridge control)
     if (HAL_GetTick() > next_polarity_switch_ms)
     {
         next_polarity_switch_ms = HAL_GetTick() + polarity_switch_period_ms;