Functions
DMA Management Functions
Peripheral Driver » LL Driver » I2S » Functions
Collaboration diagram for DMA Management Functions:

## Functions
__STATIC_INLINE void | ll_i2s_rst_rxdma (i2s_regs_t *I2Sx)
| Reset RX block DMA. More...
__STATIC_INLINE void | ll_i2s_rst_txdma (i2s_regs_t *I2Sx)
| Reset TX block DMA. More...
__STATIC_INLINE void | ll_i2s_enable_dma (i2s_regs_t *I2Sx)
| Enable I2S DMA. More...
__STATIC_INLINE void | ll_i2s_disable_dma (i2s_regs_t *I2Sx)
| Disable I2S DMA. More...
__STATIC_INLINE uint32_t | ll_i2s_is_enabled_dma (i2s_regs_t *I2Sx)
| Check if I2S DMA is enabled. More...

## Detailed Description

## Function Documentation

## ◆ ll_i2s_disable_dma()

__STATIC_INLINE void ll_i2s_disable_dma | ( | i2s_regs_t * | I2Sx | ) |

Disable I2S DMA.

\rst +-------------------—+--------------------------------—+ | Register | BitsName | +======================+===================================+ | DMA_ACC_SEL | QSPI1_I2S_M_SEL | +-------------------—+--------------------------------—+ \endrst DMA_ACC_SEL | I2C1_I2S_S_SEL

Parameters

  I2Sx | I2S instance

Return values

  None |

Definition at line 1565 of file gr55xx_ll_i2s.h.

## ◆ ll_i2s_enable_dma()

__STATIC_INLINE void ll_i2s_enable_dma | ( | i2s_regs_t * | I2Sx | ) |

Enable I2S DMA.

\rst +-------------------—+--------------------------------—+ | Register | BitsName | +======================+===================================+ | DMA_ACC_SEL | QSPI1_I2S_M_SEL | +-------------------—+--------------------------------—+ \endrst DMA_ACC_SEL | I2C1_I2S_S_SEL

Parameters

  I2Sx | I2S instance

Return values

  None |

Definition at line 1542 of file gr55xx_ll_i2s.h.

## ◆ ll_i2s_is_enabled_dma()

__STATIC_INLINE uint32_t ll_i2s_is_enabled_dma | ( | i2s_regs_t * | I2Sx | ) |

Check if I2S DMA is enabled.

\rst +-------------------—+--------------------------------—+ | Register | BitsName | +======================+===================================+ | DMA_ACC_SEL | QSPI1_I2S_M_SEL | +-------------------—+--------------------------------—+ \endrst DMA_ACC_SEL | I2C1_I2S_S_SEL

Parameters

  I2Sx | I2S instance

Return values

  State | of bit (1 or 0).

Definition at line 1588 of file gr55xx_ll_i2s.h.

## ◆ ll_i2s_rst_rxdma()

__STATIC_INLINE void ll_i2s_rst_rxdma | ( | i2s_regs_t * | I2Sx | ) |

Reset RX block DMA.

Note
  The RX DMA can be reset to the lowest channel via this register.

\rst +-------------------—+--------------------------------—+ | Register | BitsName | +======================+===================================+ | RXDMA_RST | RST | +-------------------—+--------------------------------—+ \endrst

Parameters

  I2Sx | I2S instance

Return values

  None |

Definition at line 1501 of file gr55xx_ll_i2s.h.

## ◆ ll_i2s_rst_txdma()

__STATIC_INLINE void ll_i2s_rst_txdma | ( | i2s_regs_t * | I2Sx | ) |

Reset TX block DMA.

Note
  The TX DMA can be reset to the lowest channel via this register.

\rst +-------------------—+--------------------------------—+ | Register | BitsName | +======================+===================================+ | TXDMA_RST | RST | +-------------------—+--------------------------------—+ \endrst

Parameters

  I2Sx | I2S instance

Return values

  None |

Definition at line 1521 of file gr55xx_ll_i2s.h.