diff options
Diffstat (limited to 'os/hal/include/io_block.h')
| -rw-r--r-- | os/hal/include/io_block.h | 31 |
1 files changed, 28 insertions, 3 deletions
diff --git a/os/hal/include/io_block.h b/os/hal/include/io_block.h index 2e47eb10a..acd20ebca 100644 --- a/os/hal/include/io_block.h +++ b/os/hal/include/io_block.h @@ -39,6 +39,20 @@ #define _IO_BLOCK_H_
/**
+ * @brief Driver state machine possible states.
+ */
+typedef enum {
+ BLK_UNINIT = 0, /**< Not initialized. */
+ BLK_STOP = 1, /**< Stopped. */
+ BLK_ACTIVE = 2, /**< Interface active. */
+ BLK_CONNECTING = 3, /**< Connection in progress. */
+ BLK_DISCONNECTING = 4, /**< Disconnection in progress. */
+ BLK_READY = 5, /**< Device ready. */
+ BLK_READING = 6, /**< Read operation in progress. */
+ BLK_WRITING = 7, /**< Write operation in progress. */
+} blkstate_t;
+
+/**
* @brief Block device info.
*/
typedef struct {
@@ -71,10 +85,10 @@ typedef struct { /**
* @brief @p BaseBlockDevice specific data.
- * @note It is empty because @p BaseBlockDevice is only an interface
- * without implementation.
*/
-#define _base_block_device_data
+#define _base_block_device_data \
+ /* Driver state.*/ \
+ blkstate_t state;
/**
* @brief @p BaseBlockDevice virtual methods table.
@@ -98,6 +112,17 @@ typedef struct { * @{
*/
/**
+ * @brief Returns the driver state.
+ *
+ * @param[in] ip pointer to a @p BaseBlockDevice or derived class
+ *
+ * @return The driver state.
+ *
+ * @api
+ */
+#define blkGetDriverState(ip) ((ip)->state)
+
+/**
* @brief Returns the media insertion status.
*
* @param[in] ip pointer to a @p BaseBlockDevice or derived class
|