From d06be0c47fb790b9e7632f038bd8808b13e3cee0 Mon Sep 17 00:00:00 2001
From: rusefillc <rusefillc@gmail.com>
Date: Fri, 7 Mar 2025 15:03:38 -0500
Subject: [PATCH] WOW !! !! !! #302

---
 GDI-4ch/firmware/misc.cpp | 1 +
 1 file changed, 1 insertion(+)

diff --git a/GDI-4ch/firmware/misc.cpp b/GDI-4ch/firmware/misc.cpp
index 93f7961..b7c9c73 100644
--- a/GDI-4ch/firmware/misc.cpp
+++ b/GDI-4ch/firmware/misc.cpp
@@ -15,5 +15,6 @@ void miscInit(void)
  * return 0 or 1
  */
 int boardGetId(void) {
+    // you would not believe it: double-exclamation mark is a feature here to guarantee 0 or 1 value
 	return !!palReadPad(BOARD_ID_PORT, BOARD_ID_PIN);
 }