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| author | Giovanni Di Sirio <gdisirio@gmail.com> | 2018-12-28 14:59:47 +0000 |
|---|---|---|
| committer | Giovanni Di Sirio <gdisirio@gmail.com> | 2018-12-28 14:59:47 +0000 |
| commit | ef8caca39a1963d75376b4ae004b0426cc801792 (patch) | |
| tree | 706482d2d381a3cd4c577d1b8ca183660deb3463 /os/hal/ports/STM32/LLD/DMAv2/stm32_dma.h | |
| parent | 8897e0f3e37e9cd89280dfd4ff73a9b934b888f1 (diff) | |
| download | ChibiOS-ef8caca39a1963d75376b4ae004b0426cc801792.tar.gz ChibiOS-ef8caca39a1963d75376b4ae004b0426cc801792.tar.bz2 ChibiOS-ef8caca39a1963d75376b4ae004b0426cc801792.zip | |
Dynamic DMA allocation for STM32H7xx.
git-svn-id: svn://svn.code.sf.net/p/chibios/svn/trunk@12489 110e8d01-0319-4d1e-a829-52ad28d1bb01
Diffstat (limited to 'os/hal/ports/STM32/LLD/DMAv2/stm32_dma.h')
| -rw-r--r-- | os/hal/ports/STM32/LLD/DMAv2/stm32_dma.h | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/os/hal/ports/STM32/LLD/DMAv2/stm32_dma.h b/os/hal/ports/STM32/LLD/DMAv2/stm32_dma.h index d331709b6..8e298afe9 100644 --- a/os/hal/ports/STM32/LLD/DMAv2/stm32_dma.h +++ b/os/hal/ports/STM32/LLD/DMAv2/stm32_dma.h @@ -67,6 +67,7 @@ */
#define STM32_DMA_IS_VALID_PRIORITY(prio) (((prio) >= 0U) && ((prio) <= 3U))
+#if (STM32_DMA_SUPPORTS_DMAMUX == FALSE) || defined(_DOXYGEN__)
/**
* @brief Checks if a DMA channel is within the valid range.
*
@@ -77,6 +78,15 @@ */
#define STM32_DMA_IS_VALID_CHANNEL(ch) (((ch) >= 0U) && \
((ch) <= STM32_DMA_STREAMS))
+#else /* STM32_DMA_SUPPORTS_DMAMUX == FALSE */
+#if STM32_HAS_DMA2 == TRUE
+#define STM32_DMA_IS_VALID_CHANNEL(ch) (((ch) >= 0U) && \
+ ((ch) <= (STM32_DMA_STREAMS + 2)))
+#else
+#define STM32_DMA_IS_VALID_CHANNEL(ch) (((ch) >= 0U) && \
+ ((ch) <= (STM32_DMA_STREAMS + 1)))
+#endif
+#endif /* STM32_DMA_SUPPORTS_DMAMUX == FALSE */
/**
* @brief Returns an unique numeric identifier for a DMA stream.
@@ -109,14 +119,18 @@ */
#define STM32_DMA_IS_VALID_ID(id, mask) (((1U << (id)) & (mask)))
+#if (STM32_DMA_SUPPORTS_DMAMUX == TRUE) || defined(_DOXYGEN__)
/**
* @name Special stream identifiers
* @{
*/
#define STM32_DMA_STREAM_ID_ANY STM32_DMA_STREAMS
#define STM32_DMA_STREAM_ID_ANY_DMA1 (STM32_DMA_STREAM_ID_ANY + 1)
+#if STM32_HAS_DMA2 == TRUE
#define STM32_DMA_STREAM_ID_ANY_DMA2 (STM32_DMA_STREAM_ID_ANY_DMA1 + 1)
+#endif
/** @} */
+#endif
/**
* @name DMA streams identifiers
|