From 7a6a1679a413987ffa47f2f9892e241f3448f5f0 Mon Sep 17 00:00:00 2001
From: gdisirio <gdisirio@35acf78f-673a-0410-8e92-d51de3d6d3f4>
Date: Thu, 24 May 2012 18:31:34 +0000
Subject: git-svn-id: svn://svn.code.sf.net/p/chibios/svn/trunk@4232
 35acf78f-673a-0410-8e92-d51de3d6d3f4

---
 os/hal/platforms/STM32F1xx/stm32_dma.h | 28 +++++++++++++++++++---------
 1 file changed, 19 insertions(+), 9 deletions(-)

(limited to 'os/hal/platforms/STM32F1xx')

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
@@ -62,6 +62,25 @@
  */
 #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.
  *
@@ -88,15 +107,6 @@
  * @name    DMA streams identifiers
  * @{
  */
-/**
- * @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.
  *
-- 
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