From 3904a6c52f9a53b5366fd95cf4d6997da6976d40 Mon Sep 17 00:00:00 2001
From: Valerio De Benedetto <debevv@users.noreply.github.com>
Date: Thu, 12 May 2022 18:59:21 +0200
Subject: [PATCH] Swapped RTU CRC byte order

---
 nanomodbus.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/nanomodbus.c b/nanomodbus.c
index a098c0c..607f8b2 100644
--- a/nanomodbus.c
+++ b/nanomodbus.c
@@ -193,7 +193,7 @@ static uint16_t crc_calc(const uint8_t* data, uint32_t length) {
         }
     }
 
-    return crc;
+    return (uint16_t) (crc << 8) | (uint16_t) (crc >> 8);
 }