diff options
Diffstat (limited to 'os/hal/platforms/STM32F4xx')
| -rw-r--r-- | os/hal/platforms/STM32F4xx/stm32_dma.h | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/os/hal/platforms/STM32F4xx/stm32_dma.h b/os/hal/platforms/STM32F4xx/stm32_dma.h index 473ce9613..af466b01d 100644 --- a/os/hal/platforms/STM32F4xx/stm32_dma.h +++ b/os/hal/platforms/STM32F4xx/stm32_dma.h @@ -57,6 +57,16 @@ #define STM32_DMA_GETCHANNEL(id, c) (((c) >> (((id) & 7) * 4)) & 7)
/**
+ * @brief Checks if a DMA priority is within the valid range.
+ * @param[in] prio DMA priority
+ *
+ * @retval The check result.
+ * @retval FALSE invalid DMA priority.
+ * @retval TRUE correct DMA priority.
+ */
+#define STM32_DMA_IS_VALID_PRIORITY(prio) (((prio) >= 0) && ((prio) <= 3))
+
+/**
* @brief Returns an unique numeric identifier for a DMA stream.
*
* @param[in] dma the DMA unit number
|