From a4829b1c004015cca489679cc335b6089aa9da31 Mon Sep 17 00:00:00 2001
From: Tangyuxin <462747508@qq.com>
Date: Tue, 20 Sep 2022 22:31:11 +0800
Subject: [fix] Fix simulator compilation warnings (#6438)

* [fix] Fix simulator compilation warnings

* Update bsp/simulator/rtconfig_project.h

Co-authored-by: Man, Jianting (Meco) <920369182@qq.com>
---
 components/drivers/include/ipc/ringbuffer.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'components/drivers/include')

diff --git a/components/drivers/include/ipc/ringbuffer.h b/components/drivers/include/ipc/ringbuffer.h
index 117c97e775..97abf37097 100644
--- a/components/drivers/include/ipc/ringbuffer.h
+++ b/components/drivers/include/ipc/ringbuffer.h
@@ -95,7 +95,7 @@ rt_inline rt_uint16_t rt_ringbuffer_get_size(struct rt_ringbuffer *rb)
 }
 
 /** return the size of empty space in rb */
-#define rt_ringbuffer_space_len(rb) ((rb)->buffer_size - rt_ringbuffer_data_len(rb))
+#define rt_ringbuffer_space_len(rb) ((rb)->buffer_size - (rt_int16_t)rt_ringbuffer_data_len(rb))
 
 
 #ifdef __cplusplus
-- 
cgit v1.3.1