From c2993a50590d397fbfb9de19419ce80d905b70b3 Mon Sep 17 00:00:00 2001
From: Alexey Zholtikov <git@zh.com.ru>
Date: Thu, 6 Jun 2024 19:09:15 +0300
Subject: [PATCH] Added some comments

---
 zh_onewire.c | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/zh_onewire.c b/zh_onewire.c
index 38c182f..8ba8259 100644
--- a/zh_onewire.c
+++ b/zh_onewire.c
@@ -15,10 +15,10 @@
 #define TIME_SLOT_DURATION 120          // Time slot.
 #define VALID_DATA_DURATION 15          // Valid data duration.
 
-#define SKIP_ROM 0xCC
-#define MATCH_ROM 0x55
-#define READ_ROM 0x33
-#define SEARCH_ROM 0xF0
+#define SKIP_ROM 0xCC   // Skip ROM command to address all 1-Wire devices.
+#define MATCH_ROM 0x55  // Match ROM command to address a specific 1-Wire device.
+#define READ_ROM 0x33   // Read ROM command for read ROM on only one 1-Wire device.
+#define SEARCH_ROM 0xF0 // Read ROM on all 1-Wire devices.
 
 #define pgm_read_byte(addr) (*(const uint8_t *)(addr))
 /// \endcond