From 802a6ed2caff69a4f881f109462931de4f4f2d40 Mon Sep 17 00:00:00 2001
From: GuEe-GUI <2991707448@qq.com>
Date: Thu, 30 May 2024 17:30:03 +0800
Subject: [DM] Extended drivers MISC interface

1. RT_FIELD_PREP: prepare a bitfield element.
2. RT_FIELD_GET: extract a bitfield element.
3. rt_offsetof: member offset of a struct
4. rt_upper_32_bits: high 32 bits of value.
5. rt_lower_32_bits: lower 32 bits of value.
6. rt_upper_16_bits: high 16 bits of value.
7. rt_lower_16_bits: lower 16 bits of value.
8. rt_max_t: fix type of max(...).
9. rt_ilog2: integer logarithm base 2.

Signed-off-by: GuEe-GUI <2991707448@qq.com>
---
 include/rtthread.h | 1 +
 1 file changed, 1 insertion(+)

(limited to 'include/rtthread.h')

diff --git a/include/rtthread.h b/include/rtthread.h
index dc33a6c835..f28db560d3 100644
--- a/include/rtthread.h
+++ b/include/rtthread.h
@@ -787,6 +787,7 @@ rt_device_t rt_console_get_device(void);
 #endif /* defined(RT_USING_DEVICE) && defined(RT_USING_CONSOLE) */
 
 int __rt_ffs(int value);
+unsigned long __rt_ffsl(unsigned long value);
 
 void rt_show_version(void);
 
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