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| author | gdisirio <gdisirio@35acf78f-673a-0410-8e92-d51de3d6d3f4> | 2012-05-24 18:31:34 +0000 |
|---|---|---|
| committer | gdisirio <gdisirio@35acf78f-673a-0410-8e92-d51de3d6d3f4> | 2012-05-24 18:31:34 +0000 |
| commit | 7a6a1679a413987ffa47f2f9892e241f3448f5f0 (patch) | |
| tree | 88c38d7e249eeedc7b51979486262a0c7619bc0e /os/hal/platforms/STM32F1xx | |
| parent | 293eddc33f8957f1bb896ef074bb56bf2ec2f895 (diff) | |
| download | ChibiOS-7a6a1679a413987ffa47f2f9892e241f3448f5f0.tar.gz ChibiOS-7a6a1679a413987ffa47f2f9892e241f3448f5f0.tar.bz2 ChibiOS-7a6a1679a413987ffa47f2f9892e241f3448f5f0.zip | |
git-svn-id: svn://svn.code.sf.net/p/chibios/svn/trunk@4232 35acf78f-673a-0410-8e92-d51de3d6d3f4
Diffstat (limited to 'os/hal/platforms/STM32F1xx')
| -rw-r--r-- | os/hal/platforms/STM32F1xx/stm32_dma.h | 28 |
1 files changed, 19 insertions, 9 deletions
diff --git a/os/hal/platforms/STM32F1xx/stm32_dma.h b/os/hal/platforms/STM32F1xx/stm32_dma.h index a4cae4ea6..aa612d592 100644 --- a/os/hal/platforms/STM32F1xx/stm32_dma.h +++ b/os/hal/platforms/STM32F1xx/stm32_dma.h @@ -63,6 +63,25 @@ #define STM32_DMA_GETCHANNEL(n, c) 0
/**
+ * @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
+ * @param[in] stream the stream number
+ * @return An unique numeric stream identifier.
+ */
+#define STM32_DMA_STREAM_ID(dma, stream) ((((dma) - 1) * 7) + ((stream) - 1))
+
+/**
* @brief Returns a DMA stream identifier mask.
*
*
@@ -89,15 +108,6 @@ * @{
*/
/**
- * @brief Returns an unique numeric identifier for a DMA stream.
- *
- * @param[in] dma the DMA unit number
- * @param[in] stream the stream number
- * @return An unique numeric stream identifier.
- */
-#define STM32_DMA_STREAM_ID(dma, stream) ((((dma) - 1) * 7) + ((stream) - 1))
-
-/**
* @brief Returns a pointer to a stm32_dma_stream_t structure.
*
* @param[in] id the stream numeric identifier
|