Functions
DMA_Management
Peripheral Driver » LL Driver » SPI » Functions
Collaboration diagram for DMA_Management:

## Functions
__STATIC_INLINE void | ll_spi_enable_dma_req_tx (spi_regs_t *SPIx)
| Enable DMA Tx. More...
__STATIC_INLINE void | ll_spi_disable_dma_req_tx (spi_regs_t *SPIx)
| Disable DMA Tx. More...
__STATIC_INLINE uint32_t | ll_spi_is_enabled_dma_req_tx (spi_regs_t *SPIx)
| Check if DMA Tx is enabled. More...
__STATIC_INLINE void | ll_spi_enable_dma_req_rx (spi_regs_t *SPIx)
| Enable DMA Rx. More...
__STATIC_INLINE void | ll_spi_disable_dma_req_rx (spi_regs_t *SPIx)
| Disable DMA Rx. More...
__STATIC_INLINE uint32_t | ll_spi_is_enabled_dma_req_rx (spi_regs_t *SPIx)
| Check if DMA Rx is enabled. More...
__STATIC_INLINE void | ll_spi_set_dma_tx_fifo_threshold (spi_regs_t *SPIx, uint32_t threshold)
| Set threshold of TXFIFO that triggers an DMA Tx request event. More...
__STATIC_INLINE uint32_t | ll_spi_get_dma_tx_fifo_threshold (spi_regs_t *SPIx)
| Get threshold of TXFIFO that triggers an DMA Tx request event. More...
__STATIC_INLINE void | ll_spi_set_dma_rx_fifo_threshold (spi_regs_t *SPIx, uint32_t threshold)
| Set threshold of RXFIFO that triggers an DMA Rx request event. More...
__STATIC_INLINE uint32_t | ll_spi_get_dma_rx_fifo_threshold (spi_regs_t *SPIx)
| Get threshold of RXFIFO that triggers an DMA Rx request event. More...

## Detailed Description

## Function Documentation

## ◆ ll_spi_disable_dma_req_rx()

__STATIC_INLINE void ll_spi_disable_dma_req_rx | ( | spi_regs_t * | SPIx | ) |

Disable DMA Rx.

Register | BitsName
--- | ---
DMAC | RDMAE

Parameters

  SPIx | SPI instance

Return values

  None |

Definition at line 1589 of file gr55xx_ll_spi.h.

## ◆ ll_spi_disable_dma_req_tx()

__STATIC_INLINE void ll_spi_disable_dma_req_tx | ( | spi_regs_t * | SPIx | ) |

Disable DMA Tx.

Register | BitsName
--- | ---
DMAC | TDMAE

Parameters

  SPIx | SPI instance

Return values

  None |

Definition at line 1544 of file gr55xx_ll_spi.h.

## ◆ ll_spi_enable_dma_req_rx()

__STATIC_INLINE void ll_spi_enable_dma_req_rx | ( | spi_regs_t * | SPIx | ) |

Enable DMA Rx.

Register | BitsName
--- | ---
DMAC | RDMAE

Parameters

  SPIx | SPI instance

Return values

  None |

Definition at line 1574 of file gr55xx_ll_spi.h.

## ◆ ll_spi_enable_dma_req_tx()

__STATIC_INLINE void ll_spi_enable_dma_req_tx | ( | spi_regs_t * | SPIx | ) |

Enable DMA Tx.

Register | BitsName
--- | ---
DMAC | TDMAE

Parameters

  SPIx | SPI instance

Return values

  None |

Definition at line 1529 of file gr55xx_ll_spi.h.

## ◆ ll_spi_get_dma_rx_fifo_threshold()

__STATIC_INLINE uint32_t ll_spi_get_dma_rx_fifo_threshold | ( | spi_regs_t * | SPIx | ) |

Get threshold of RXFIFO that triggers an DMA Rx request event.

Register | BitsName
--- | ---
DMARDL | DMARDL

Parameters

  SPIx | SPI instance

Return values

  Returned | value can be one of the following values: 0 ~ 7

Definition at line 1666 of file gr55xx_ll_spi.h.

## ◆ ll_spi_get_dma_tx_fifo_threshold()

__STATIC_INLINE uint32_t ll_spi_get_dma_tx_fifo_threshold | ( | spi_regs_t * | SPIx | ) |

Get threshold of TXFIFO that triggers an DMA Tx request event.

Register | BitsName
--- | ---
DMATDL | DMATDL

Parameters

  SPIx | SPI instance

Return values

  Returned | value can be one of the following values: 0 ~ 7

Definition at line 1635 of file gr55xx_ll_spi.h.

## ◆ ll_spi_is_enabled_dma_req_rx()

__STATIC_INLINE uint32_t ll_spi_is_enabled_dma_req_rx | ( | spi_regs_t * | SPIx | ) |

Check if DMA Rx is enabled.

Register | BitsName
--- | ---
DMAC | RDMAE

Parameters

  SPIx | SPI instance

Return values

  State | of bit (1 or 0).

Definition at line 1604 of file gr55xx_ll_spi.h.

## ◆ ll_spi_is_enabled_dma_req_tx()

__STATIC_INLINE uint32_t ll_spi_is_enabled_dma_req_tx | ( | spi_regs_t * | SPIx | ) |

Check if DMA Tx is enabled.

Register | BitsName
--- | ---
DMAC | TDMAE

Parameters

  SPIx | SPI instance

Return values

  State | of bit (1 or 0).

Definition at line 1559 of file gr55xx_ll_spi.h.

## ◆ ll_spi_set_dma_rx_fifo_threshold()

__STATIC_INLINE void ll_spi_set_dma_rx_fifo_threshold | ( | spi_regs_t * | SPIx,
|  | uint32_t | threshold
| ) |  |

Set threshold of RXFIFO that triggers an DMA Rx request event.

Register | BitsName
--- | ---
DMARDL | DMARDL

Parameters

  SPIx | SPI instance
  threshold | This parameter can be one of the following values: 0 ~ 7

Return values

  None |

Definition at line 1651 of file gr55xx_ll_spi.h.

## ◆ ll_spi_set_dma_tx_fifo_threshold()

__STATIC_INLINE void ll_spi_set_dma_tx_fifo_threshold | ( | spi_regs_t * | SPIx,
|  | uint32_t | threshold
| ) |  |

Set threshold of TXFIFO that triggers an DMA Tx request event.

Register | BitsName
--- | ---
DMATDL | DMATDL

Parameters

  SPIx | SPI instance
  threshold | This parameter can be one of the following values: 0 ~ 7

Return values

  None |

Definition at line 1620 of file gr55xx_ll_spi.h.