diff options
Diffstat (limited to 'os/hal/include')
| -rw-r--r-- | os/hal/include/hal_buffers.h | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/os/hal/include/hal_buffers.h b/os/hal/include/hal_buffers.h index 164ab82bc..9c5ea42d6 100644 --- a/os/hal/include/hal_buffers.h +++ b/os/hal/include/hal_buffers.h @@ -33,10 +33,24 @@ /* Driver pre-compile time settings. */
/*===========================================================================*/
+/**
+ * @brief Maximum size of blocks copied in critical sections.
+ * @note Increasing this value increases performance at expense of
+ * IRQ servicing efficiency.
+ * @note It must be a power of two.
+ */
+#if !defined(BUFFERS_CHUNKS_SIZE) || defined(__DOXYGEN__)
+#define BUFFERS_CHUNKS_SIZE 64
+#endif
+
/*===========================================================================*/
/* Derived constants and error checks. */
/*===========================================================================*/
+#if (BUFFERS_CHUNKS_SIZE & (BUFFERS_CHUNKS_SIZE - 1)) != 0
+#error "BUFFERS_CHUNKS_SIZE must be a power of two"
+#endif
+
/*===========================================================================*/
/* Driver data structures and types. */
/*===========================================================================*/
|