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-rw-r--r--os/kernel/include/ch.h10
1 files changed, 10 insertions, 0 deletions
diff --git a/os/kernel/include/ch.h b/os/kernel/include/ch.h
index 65ca431e0..7386b622b 100644
--- a/os/kernel/include/ch.h
+++ b/os/kernel/include/ch.h
@@ -72,6 +72,16 @@
#define TRUE (!FALSE)
#endif
+/*
+ * Human readable boolean error conditions.
+ */
+#ifndef CH_SUCCESS
+#define CH_SUCCESS FALSE
+#endif
+#ifndef CH_FAILED
+#define CH_FAILED TRUE
+#endif
+
#include "chconf.h"
#include "chtypes.h"
#include "chlists.h"