diff options
Diffstat (limited to 'os/hal/ports/STM32/LLD/DMAv3/stm32_dma.h')
| -rw-r--r-- | os/hal/ports/STM32/LLD/DMAv3/stm32_dma.h | 26 |
1 files changed, 20 insertions, 6 deletions
diff --git a/os/hal/ports/STM32/LLD/DMAv3/stm32_dma.h b/os/hal/ports/STM32/LLD/DMAv3/stm32_dma.h index 09c586b31..8aa640deb 100644 --- a/os/hal/ports/STM32/LLD/DMAv3/stm32_dma.h +++ b/os/hal/ports/STM32/LLD/DMAv3/stm32_dma.h @@ -25,6 +25,8 @@ #ifndef STM32_DMA_H
#define STM32_DMA_H
+#include "stm32_dmamux.h"
+
/*===========================================================================*/
/* Driver constants. */
/*===========================================================================*/
@@ -51,6 +53,16 @@ #define STM32_DMA_IS_VALID_PRIORITY(prio) (((prio) >= 0U) && ((prio) <= 3U))
/**
+ * @brief Checks if a DMA channel is within the valid range.
+ * @param[in] ch DMA channel
+ *
+ * @retval The check result.
+ * @retval FALSE invalid DMA channel.
+ * @retval TRUE correct DMA channel.
+ */
+#define STM32_DMA_IS_VALID_CHANNEL(ch) (((ch) >= 0U) && ((ch) <= 15U))
+
+/**
* @name DMA streams identifiers
* @{
*/
@@ -82,7 +94,7 @@ /** @} */
/**
- * @name CR register constants common to all DMA types
+ * @name CR register constants
* @{
*/
#define STM32_DMA_CR_RESET_VALUE 0x00000000U
@@ -307,12 +319,13 @@ * @brief STM32 DMA stream descriptor structure.
*/
typedef struct {
- DMA_Stream_TypeDef *stream; /**< @brief Associated DMA stream. */
- volatile uint32_t *ifcr; /**< @brief Associated IFCR reg. */
- uint8_t ishift; /**< @brief Bits offset in xIFCR
+ DMA_Stream_TypeDef *stream; /**< @brief Associated DMA stream. */
+ volatile uint32_t *ifcr; /**< @brief Associated IFCR reg. */
+ uint8_t ishift; /**< @brief Bits offset in xIFCR
register. */
- uint8_t selfindex; /**< @brief Index to self in array. */
- uint8_t vector; /**< @brief Associated IRQ vector. */
+ DMAMUX_Channel_TypeDef *mux; /**< @brief Associated DMA stream. */
+ uint8_t selfindex; /**< @brief Index to self in array. */
+ uint8_t vector; /**< @brief Associated IRQ vector. */
} stm32_dma_stream_t;
/**
@@ -624,6 +637,7 @@ extern "C" { uint32_t priority,
stm32_dmaisr_t func,
void *param);
+ void dmaSetRequestSource(const stm32_dma_stream_t *dmastp, uint32_t per);
void dmaStreamRelease(const stm32_dma_stream_t *dmastp);
#ifdef __cplusplus
}
|