From 71ce6d33bc82ef3da71e96f2cab04b4e292327f0 Mon Sep 17 00:00:00 2001
From: XJ <38142124+xjikka@users.noreply.github.com>
Date: Fri, 28 Mar 2025 23:23:28 +0100
Subject: [PATCH] tuyaMcu_sendCmd without second param bugfix (#1585)

---
 src/driver/drv_tuyaMCU.c | 20 ++++++++++++--------
 1 file changed, 12 insertions(+), 8 deletions(-)

diff --git a/src/driver/drv_tuyaMCU.c b/src/driver/drv_tuyaMCU.c
index bbcd76451..f8d49b481 100644
--- a/src/driver/drv_tuyaMCU.c
+++ b/src/driver/drv_tuyaMCU.c
@@ -2008,15 +2008,19 @@ commandResult_t TuyaMCU_SendUserCmd(const void* context, const char* cmd, const
 	Tokenizer_TokenizeString(args, 0);
 
 	int command = Tokenizer_GetArgInteger(0);
-	const char *s = Tokenizer_GetArg(1);
+	//XJIKKA 20250327 tuyaMcu_sendCmd without second param bug
+	if (Tokenizer_GetArgsCount() >= 2) {
+		const char* s = Tokenizer_GetArg(1);
+		if (s) {
+			while (*s) {
+				byte b;
+				b = CMD_ParseOrExpandHexByte(&s);
 
-	while (*s) {
-		byte b;
-		b = CMD_ParseOrExpandHexByte(&s);
-
-		if (sizeof(packet) > c + 1) {
-			packet[c] = b;
-			c++;
+				if (sizeof(packet) > c + 1) {
+					packet[c] = b;
+					c++;
+				}
+			}
 		}
 	}
 	TuyaMCU_SendCommandWithData(command,packet, c);