diff options
Diffstat (limited to 'os/hal/ports/STM32')
| -rw-r--r-- | os/hal/ports/STM32/LLD/DMAv1/stm32_dma.h | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/os/hal/ports/STM32/LLD/DMAv1/stm32_dma.h b/os/hal/ports/STM32/LLD/DMAv1/stm32_dma.h index 6dfd6debf..5034a32ab 100644 --- a/os/hal/ports/STM32/LLD/DMAv1/stm32_dma.h +++ b/os/hal/ports/STM32/LLD/DMAv1/stm32_dma.h @@ -259,6 +259,34 @@ typedef struct { /*===========================================================================*/
/**
+ * @brief Invalidates the data cache lines overlapping a DMA buffer.
+ * @note It does nothing in this driver, it is supplied for compatibility.
+ *
+ * @param[in] saddr start address of the DMA buffer
+ * @param[in] n size of the DMA buffer in bytes
+ *
+ * @api
+ */
+#define dmaBufferInvalidate(addr, size) { \
+ (void)(addr); \
+ (void)(size); \
+}
+
+/**
+ * @brief Flushes the data cache lines overlapping a DMA buffer.
+ * @note It does nothing in this driver, it is supplied for compatibility.
+ *
+ * @param[in] saddr start address of the DMA buffer
+ * @param[in] n size of the DMA buffer in bytes
+ *
+ * @api
+ */
+#define dmaBufferFlush(addr, size) { \
+ (void)(addr); \
+ (void)(size); \
+}
+
+/**
* @name Macro Functions
* @{
*/
|