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-rw-r--r--os/ports/RVCT/ARMCMx/chtypes.h7
1 files changed, 2 insertions, 5 deletions
diff --git a/os/ports/RVCT/ARMCMx/chtypes.h b/os/ports/RVCT/ARMCMx/chtypes.h
index 8dbda9d82..b3f19f674 100644
--- a/os/ports/RVCT/ARMCMx/chtypes.h
+++ b/os/ports/RVCT/ARMCMx/chtypes.h
@@ -29,14 +29,11 @@
#ifndef _CHTYPES_H_
#define _CHTYPES_H_
-#define __need_NULL
-#define __need_size_t
-#define __need_ptrdiff_t
#include <stddef.h>
-
#include <stdint.h>
+#include <stdbool.h>
-typedef int32_t bool_t; /**< Fast boolean type. */
+typedef bool bool_t; /**< Fast boolean type. */
typedef uint8_t tmode_t; /**< Thread flags. */
typedef uint8_t tstate_t; /**< Thread state. */
typedef uint8_t trefs_t; /**< Thread references counter. */