From 24157d68e4fa7bd3a1c9ba31abe4da276e7a7326 Mon Sep 17 00:00:00 2001
From: Giovanni Di Sirio <gdisirio@gmail.com>
Date: Fri, 4 May 2018 12:08:34 +0000
Subject: git-svn-id: svn://svn.code.sf.net/p/chibios/svn/trunk@11997
 110e8d01-0319-4d1e-a829-52ad28d1bb01

---
 os/nil/include/ch.h | 20 ++++++++++++++++++++
 1 file changed, 20 insertions(+)

(limited to 'os/nil/include')

diff --git a/os/nil/include/ch.h b/os/nil/include/ch.h
index dc89bd597..3aa85af6c 100644
--- a/os/nil/include/ch.h
+++ b/os/nil/include/ch.h
@@ -73,6 +73,26 @@
 #define CH_KERNEL_PATCH         0
 /** @} */
 
+/**
+ * @name    Constants for configuration options
+ */
+/**
+ * @brief   Generic 'false' preprocessor boolean constant.
+ * @note    It is meant to be used in configuration files as switch.
+ */
+#if !defined(FALSE) || defined(__DOXYGEN__)
+#define FALSE               0
+#endif
+
+/**
+ * @brief   Generic 'true' preprocessor boolean constant.
+ * @note    It is meant to be used in configuration files as switch.
+ */
+#if !defined(TRUE) || defined(__DOXYGEN__)
+#define TRUE                1
+#endif
+/** @} */
+
 /**
  * @name    Wakeup messages
  * @{
-- 
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