1 files changed, 26 insertions, 0 deletions
diff --git a/os/hal/include/mmcsd.h b/os/hal/include/mmcsd.h
index c782ab7a2..5ff3082c7 100644
--- a/os/hal/include/mmcsd.h
+++ b/os/hal/include/mmcsd.h
@@ -219,6 +219,32 @@ typedef struct {
 /*===========================================================================*/
 
 /**
+ * @name    R1 response utilities
+ * @{
+ */
+/**
+ * @brief   Evaluates to @p TRUE if the R1 response contains error flags.
+ *
+ * @param[in] r1        the r1 response
+ */
+#define MMCSD_R1_ERROR(r1)              (((r1) & MMCSD_R1_ERROR_MASK) != 0)
+
+/**
+ * @brief   Returns the status field of an R1 response.
+ *
+ * @param[in] r1        the r1 response
+ */
+#define MMCSD_R1_STS(r1)                (((r1) >> 9) & 15)
+
+/**
+ * @brief   Evaluates to @p TRUE if the R1 response indicates a locked card.
+ *
+ * @param[in] r1        the r1 response
+ */
+#define MMCSD_R1_IS_CARD_LOCKED(r1)     (((r1) >> 21) & 1)
+/** @} */
+
+/**
  * @name    Macro Functions
  * @{
  */