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authorgdisirio <gdisirio@35acf78f-673a-0410-8e92-d51de3d6d3f4>2012-05-24 18:31:34 +0000
committergdisirio <gdisirio@35acf78f-673a-0410-8e92-d51de3d6d3f4>2012-05-24 18:31:34 +0000
commit7a6a1679a413987ffa47f2f9892e241f3448f5f0 (patch)
tree88c38d7e249eeedc7b51979486262a0c7619bc0e /os/hal/platforms/STM32L1xx
parent293eddc33f8957f1bb896ef074bb56bf2ec2f895 (diff)
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git-svn-id: svn://svn.code.sf.net/p/chibios/svn/trunk@4232 35acf78f-673a-0410-8e92-d51de3d6d3f4
Diffstat (limited to 'os/hal/platforms/STM32L1xx')
-rw-r--r--os/hal/platforms/STM32L1xx/stm32_dma.h14
1 files changed, 12 insertions, 2 deletions
diff --git a/os/hal/platforms/STM32L1xx/stm32_dma.h b/os/hal/platforms/STM32L1xx/stm32_dma.h
index bf3f3f3ca..71af4a339 100644
--- a/os/hal/platforms/STM32L1xx/stm32_dma.h
+++ b/os/hal/platforms/STM32L1xx/stm32_dma.h
@@ -59,9 +59,15 @@
#define STM32_DMA_GETCHANNEL(n, c) 0
/**
- * @name DMA streams identifiers
- * @{
+ * @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.
*
@@ -94,6 +100,10 @@
#define STM32_DMA_IS_VALID_ID(id, mask) (((1 << (id)) & (mask)))
/**
+ * @name DMA streams identifiers
+ * @{
+ */
+/**
* @brief Returns a pointer to a stm32_dma_stream_t structure.
*
* @param[in] id the stream numeric identifier