1 files changed, 28 insertions, 11 deletions
diff --git a/os/ex/ST/hts221.h b/os/ex/ST/hts221.h
index 893f9f314..ae52e4b3b 100644
--- a/os/ex/ST/hts221.h
+++ b/os/ex/ST/hts221.h
@@ -185,6 +185,16 @@
 #endif
 
 /**
+ * @brief   HTS221 shared SPI switch.
+ * @details If set to @p TRUE the device acquires SPI bus ownership
+ *          on each transaction.
+ * @note    The default is @p FALSE. Requires SPI_USE_MUTUAL_EXCLUSION
+ */
+#if !defined(HTS221_SHARED_SPI) || defined(__DOXYGEN__)
+#define HTS221_SHARED_SPI                   FALSE
+#endif
+
+/**
  * @brief   HTS221 I2C interface switch.
  * @details If set to @p TRUE the support for I2C is included.
  * @note    The default is @p TRUE.
@@ -194,15 +204,6 @@
 #endif
 
 /**
- * @brief   HTS221 advanced configurations switch.
- * @details If set to @p TRUE more configurations are available.
- * @note    The default is @p FALSE.
- */
-#if !defined(HTS221_USE_ADVANCED) || defined(__DOXYGEN__)
-#define HTS221_USE_ADVANCED                 FALSE
-#endif
-
-/**
  * @brief   HTS221 shared I2C switch.
  * @details If set to @p TRUE the device acquires I2C bus ownership
  *          on each transaction.
@@ -211,6 +212,15 @@
 #if !defined(HTS221_SHARED_I2C) || defined(__DOXYGEN__)
 #define HTS221_SHARED_I2C                   FALSE
 #endif
+
+/**
+ * @brief   HTS221 advanced configurations switch.
+ * @details If set to @p TRUE more configurations are available.
+ * @note    The default is @p FALSE.
+ */
+#if !defined(HTS221_USE_ADVANCED) || defined(__DOXYGEN__)
+#define HTS221_USE_ADVANCED                 FALSE
+#endif
 /** @} */
 
 /*===========================================================================*/
@@ -225,8 +235,8 @@
 #error "HTS221_USE_SPI requires HAL_USE_SPI"
 #endif
 
-#if HTS221_USE_SPI
-#error "HTS221 over SPI still not supported"
+#if HTS221_SHARED_SPI && !SPI_USE_MUTUAL_EXCLUSION
+#error "HTS221_SHARED_SPI requires SPI_USE_MUTUAL_EXCLUSION"
 #endif
 
 #if HTS221_USE_I2C && !HAL_USE_I2C
@@ -237,6 +247,13 @@
 #error "HTS221_SHARED_I2C requires I2C_USE_MUTUAL_EXCLUSION"
 #endif
 
+/**
+ * @todo    Add support for HTS221 over SPI.
+ */
+#if HTS221_USE_SPI
+#error "HTS221 over SPI still not supported."
+#endif
+
 /*===========================================================================*/
 /* Driver data structures and types.                                         */
 /*===========================================================================*/