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DMA Management
[SPI Exported Functions]
Functions | |
| __STATIC_INLINE void | LL_SPI_EnableDMAReq_RX (SPI_TypeDef *SPIx) |
| Enable DMA Rx CR2 RXDMAEN LL_SPI_EnableDMAReq_RX. | |
| __STATIC_INLINE void | LL_SPI_DisableDMAReq_RX (SPI_TypeDef *SPIx) |
| Disable DMA Rx CR2 RXDMAEN LL_SPI_DisableDMAReq_RX. | |
| __STATIC_INLINE uint32_t | LL_SPI_IsEnabledDMAReq_RX (SPI_TypeDef *SPIx) |
| Check if DMA Rx is enabled CR2 RXDMAEN LL_SPI_IsEnabledDMAReq_RX. | |
| __STATIC_INLINE void | LL_SPI_EnableDMAReq_TX (SPI_TypeDef *SPIx) |
| Enable DMA Tx CR2 TXDMAEN LL_SPI_EnableDMAReq_TX. | |
| __STATIC_INLINE void | LL_SPI_DisableDMAReq_TX (SPI_TypeDef *SPIx) |
| Disable DMA Tx CR2 TXDMAEN LL_SPI_DisableDMAReq_TX. | |
| __STATIC_INLINE uint32_t | LL_SPI_IsEnabledDMAReq_TX (SPI_TypeDef *SPIx) |
| Check if DMA Tx is enabled CR2 TXDMAEN LL_SPI_IsEnabledDMAReq_TX. | |
| __STATIC_INLINE void | LL_SPI_SetDMAParity_RX (SPI_TypeDef *SPIx, uint32_t Parity) |
| Set parity of Last DMA reception CR2 LDMARX LL_SPI_SetDMAParity_RX. | |
| __STATIC_INLINE uint32_t | LL_SPI_GetDMAParity_RX (SPI_TypeDef *SPIx) |
| Get parity configuration for Last DMA reception CR2 LDMARX LL_SPI_GetDMAParity_RX. | |
| __STATIC_INLINE void | LL_SPI_SetDMAParity_TX (SPI_TypeDef *SPIx, uint32_t Parity) |
| Set parity of Last DMA transmission CR2 LDMATX LL_SPI_SetDMAParity_TX. | |
| __STATIC_INLINE uint32_t | LL_SPI_GetDMAParity_TX (SPI_TypeDef *SPIx) |
| Get parity configuration for Last DMA transmission CR2 LDMATX LL_SPI_GetDMAParity_TX. | |
| __STATIC_INLINE uint32_t | LL_SPI_DMA_GetRegAddr (SPI_TypeDef *SPIx) |
| Get the data register address used for DMA transfer DR DR LL_SPI_DMA_GetRegAddr. | |
Function Documentation
| __STATIC_INLINE void LL_SPI_DisableDMAReq_RX | ( | SPI_TypeDef * | SPIx ) |
Disable DMA Rx CR2 RXDMAEN LL_SPI_DisableDMAReq_RX.
- Parameters:
-
SPIx SPI Instance
- Return values:
-
None
Definition at line 1226 of file stm32l4xx_ll_spi.h.
| __STATIC_INLINE void LL_SPI_DisableDMAReq_TX | ( | SPI_TypeDef * | SPIx ) |
Disable DMA Tx CR2 TXDMAEN LL_SPI_DisableDMAReq_TX.
- Parameters:
-
SPIx SPI Instance
- Return values:
-
None
Definition at line 1259 of file stm32l4xx_ll_spi.h.
| __STATIC_INLINE uint32_t LL_SPI_DMA_GetRegAddr | ( | SPI_TypeDef * | SPIx ) |
Get the data register address used for DMA transfer DR DR LL_SPI_DMA_GetRegAddr.
- Parameters:
-
SPIx SPI Instance
- Return values:
-
Address of data register
Definition at line 1335 of file stm32l4xx_ll_spi.h.
| __STATIC_INLINE void LL_SPI_EnableDMAReq_RX | ( | SPI_TypeDef * | SPIx ) |
Enable DMA Rx CR2 RXDMAEN LL_SPI_EnableDMAReq_RX.
- Parameters:
-
SPIx SPI Instance
- Return values:
-
None
Definition at line 1215 of file stm32l4xx_ll_spi.h.
| __STATIC_INLINE void LL_SPI_EnableDMAReq_TX | ( | SPI_TypeDef * | SPIx ) |
Enable DMA Tx CR2 TXDMAEN LL_SPI_EnableDMAReq_TX.
- Parameters:
-
SPIx SPI Instance
- Return values:
-
None
Definition at line 1248 of file stm32l4xx_ll_spi.h.
| __STATIC_INLINE uint32_t LL_SPI_GetDMAParity_RX | ( | SPI_TypeDef * | SPIx ) |
Get parity configuration for Last DMA reception CR2 LDMARX LL_SPI_GetDMAParity_RX.
- Parameters:
-
SPIx SPI Instance
- Return values:
-
Returned value can be one of the following values: - LL_SPI_DMA_PARITY_ODD
- LL_SPI_DMA_PARITY_EVEN
Definition at line 1297 of file stm32l4xx_ll_spi.h.
| __STATIC_INLINE uint32_t LL_SPI_GetDMAParity_TX | ( | SPI_TypeDef * | SPIx ) |
Get parity configuration for Last DMA transmission CR2 LDMATX LL_SPI_GetDMAParity_TX.
- Parameters:
-
SPIx SPI Instance
- Return values:
-
Returned value can be one of the following values: - LL_SPI_DMA_PARITY_ODD
- LL_SPI_DMA_PARITY_EVEN
Definition at line 1324 of file stm32l4xx_ll_spi.h.
| __STATIC_INLINE uint32_t LL_SPI_IsEnabledDMAReq_RX | ( | SPI_TypeDef * | SPIx ) |
Check if DMA Rx is enabled CR2 RXDMAEN LL_SPI_IsEnabledDMAReq_RX.
- Parameters:
-
SPIx SPI Instance
- Return values:
-
State of bit (1 or 0).
Definition at line 1237 of file stm32l4xx_ll_spi.h.
| __STATIC_INLINE uint32_t LL_SPI_IsEnabledDMAReq_TX | ( | SPI_TypeDef * | SPIx ) |
Check if DMA Tx is enabled CR2 TXDMAEN LL_SPI_IsEnabledDMAReq_TX.
- Parameters:
-
SPIx SPI Instance
- Return values:
-
State of bit (1 or 0).
Definition at line 1270 of file stm32l4xx_ll_spi.h.
| __STATIC_INLINE void LL_SPI_SetDMAParity_RX | ( | SPI_TypeDef * | SPIx, |
| uint32_t | Parity | ||
| ) |
Set parity of Last DMA reception CR2 LDMARX LL_SPI_SetDMAParity_RX.
- Parameters:
-
SPIx SPI Instance Parity This parameter can be one of the following values: - LL_SPI_DMA_PARITY_ODD
- LL_SPI_DMA_PARITY_EVEN
- Return values:
-
None
Definition at line 1284 of file stm32l4xx_ll_spi.h.
| __STATIC_INLINE void LL_SPI_SetDMAParity_TX | ( | SPI_TypeDef * | SPIx, |
| uint32_t | Parity | ||
| ) |
Set parity of Last DMA transmission CR2 LDMATX LL_SPI_SetDMAParity_TX.
- Parameters:
-
SPIx SPI Instance Parity This parameter can be one of the following values: - LL_SPI_DMA_PARITY_ODD
- LL_SPI_DMA_PARITY_EVEN
- Return values:
-
None
Definition at line 1311 of file stm32l4xx_ll_spi.h.
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