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.

Register	BitsName
DMA_ACC_SEL	QSPI1_I2S_M_SEL
DMA_ACC_SEL	I2C1_I2S_S_SEL

Parameters

I2Sx	I2S instance

Return values

None

ll_i2s_enable_dma()

__STATIC_INLINE void ll_i2s_enable_dma

(

i2s_regs_t *

I2Sx

)

Enable I2S DMA.

Register	BitsName
DMA_ACC_SEL	QSPI1_I2S_M_SEL
DMA_ACC_SEL	I2C1_I2S_S_SEL

Parameters

I2Sx	I2S instance

Return values

None

ll_i2s_is_enabled_dma()

__STATIC_INLINE uint32_t ll_i2s_is_enabled_dma

(

i2s_regs_t *

I2Sx

)

Check if I2S DMA is enabled.

Register	BitsName
DMA_ACC_SEL	QSPI1_I2S_M_SEL
DMA_ACC_SEL	I2C1_I2S_S_SEL

Parameters

I2Sx	I2S instance

Return values

State

of bit (1 or 0).

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.

Register	BitsName
RXDMA_RST	RST

Parameters

I2Sx	I2S instance

Return values

None

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.

Register	BitsName
TXDMA_RST	RST

Parameters

I2Sx	I2S instance

Return values

None