From 6dd262ac09e9ab6444aa9400ab5587b36d4899e3 Mon Sep 17 00:00:00 2001
From: IllusionLee <1115451437@qq.com>
Date: Fri, 4 Oct 2019 16:55:16 +0800
Subject: [PATCH] Fix warning about E53_IA1.c with 'array subscript has type
 char'.

---
 board/TencentOS_tiny_EVB_MX/BSP/Hardware/E53_IA1/E53_IA1.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/board/TencentOS_tiny_EVB_MX/BSP/Hardware/E53_IA1/E53_IA1.c b/board/TencentOS_tiny_EVB_MX/BSP/Hardware/E53_IA1/E53_IA1.c
index 00415d6e..01882a75 100644
--- a/board/TencentOS_tiny_EVB_MX/BSP/Hardware/E53_IA1/E53_IA1.c
+++ b/board/TencentOS_tiny_EVB_MX/BSP/Hardware/E53_IA1/E53_IA1.c
@@ -91,7 +91,7 @@ uint8_t SHT3x_CheckCrc(char data[], char nbrOfBytes, char checksum)
 	
     char crc = 0xFF;
     char bit = 0;
-    char byteCtr ;
+    unsigned char byteCtr;
 	
     //calculates 8-Bit checksum with given polynomial
     for(byteCtr = 0; byteCtr < nbrOfBytes; ++byteCtr)