diff options
Diffstat (limited to 'os/ex/subsystems/mfs/mfs.h')
| -rw-r--r-- | os/ex/subsystems/mfs/mfs.h | 26 |
1 files changed, 23 insertions, 3 deletions
diff --git a/os/ex/subsystems/mfs/mfs.h b/os/ex/subsystems/mfs/mfs.h index 758800315..e8e1d168c 100644 --- a/os/ex/subsystems/mfs/mfs.h +++ b/os/ex/subsystems/mfs/mfs.h @@ -76,6 +76,17 @@ #if !defined(MFS_CFG_STRONG_CHECKING) || defined(__DOXYGEN__)
#define MFS_CFG_STRONG_CHECKING TRUE
#endif
+
+/**
+ * @brief Size of the buffer used for data copying.
+ * @note The buffer size must be a power of two and not smaller than
+ * 16 bytes.
+ * @note Larger buffers improve performance, buffers with size multiple
+ * of the flash program page size work better.
+ */
+#if !defined(MFS_CFG_BUFFER_SIZE) || defined(__DOXYGEN__)
+#define MFS_CFG_BUFFER_SIZE 32
+#endif
/** @} */
/*===========================================================================*/
@@ -94,6 +105,14 @@ #error "invalid MFS_MAX_REPAIR_ATTEMPTS value"
#endif
+#if MFS_CFG_BUFFER_SIZE <= 16
+#error "invalid MFS_CFG_BUFFER_SIZE value"
+#endif
+
+#if (MFS_CFG_BUFFER_SIZE & (MFS_CFG_BUFFER_SIZE - 1)) != 0
+#error "MFS_CFG_BUFFER_SIZE is not a power of two"
+#endif
+
/*===========================================================================*/
/* Driver data structures and types. */
/*===========================================================================*/
@@ -129,8 +148,9 @@ typedef enum { MFS_ERR_NOT_ERASED = -1,
MFS_ERR_NOT_FOUND = -2,
MFS_ERR_CRC = -3,
- MFS_ERR_FLASH_FAILURE = -4,
- MFS_ERR_INTERNAL = -5
+ MFS_ERR_HEADER = -4,
+ MFS_ERR_FLASH_FAILURE = -5,
+ MFS_ERR_INTERNAL = -6
} mfs_error_t;
/**
@@ -307,7 +327,7 @@ typedef struct { union {
mfs_data_header_t dhdr;
mfs_bank_header_t bhdr;
- uint8_t data[32];
+ uint8_t data[MFS_CFG_BUFFER_SIZE];
} buffer;
} MFSDriver;
|