Configuration functions

Functions
__STATIC_INLINE void	ll_i2s_enable (i2s_regs_t *I2Sx)
	Enable I2S. More...
__STATIC_INLINE void	ll_i2s_disable (i2s_regs_t *I2Sx)
	Disable I2S. More...
__STATIC_INLINE uint32_t	ll_i2s_is_enabled (i2s_regs_t *I2Sx)
	Check if I2S is enabled. More...
__STATIC_INLINE void	ll_i2s_enable_rxblock (i2s_regs_t *I2Sx)
	Enable I2S RX block. More...
__STATIC_INLINE void	ll_i2s_disable_rxblock (i2s_regs_t *I2Sx)
	Disable I2S RX block. More...
__STATIC_INLINE uint32_t	ll_i2s_is_enabled_rxblock (i2s_regs_t *I2Sx)
	Check if I2S RX block is enabled. More...
__STATIC_INLINE void	ll_i2s_enable_txblock (i2s_regs_t *I2Sx)
	Enable I2S TX block. More...
__STATIC_INLINE void	ll_i2s_disable_txblock (i2s_regs_t *I2Sx)
	Disable I2S TX block. More...
__STATIC_INLINE uint32_t	ll_i2s_is_enabled_txblock (i2s_regs_t *I2Sx)
	Check if I2S TX block is enabled. More...
__STATIC_INLINE void	ll_i2s_enable_clock (i2s_regs_t *I2Sx)
	Enable I2S clock. More...
__STATIC_INLINE void	ll_i2s_disable_clock (i2s_regs_t *I2Sx)
	Disable I2S clock. More...
__STATIC_INLINE uint32_t	ll_i2s_is_enabled_clock (i2s_regs_t *I2Sx)
	Check if I2S clock is enabled. More...
__STATIC_INLINE void	ll_i2s_set_wss (i2s_regs_t *I2Sx, uint32_t cycles)
	Set word select line cycles for left or right sample. More...
__STATIC_INLINE uint32_t	ll_i2s_get_wss (i2s_regs_t *I2Sx)
	Get word select line cycles for left or right sample. More...
__STATIC_INLINE void	ll_i2s_set_sclkg (i2s_regs_t *I2Sx, uint32_t cycles)
	Set the gating of sclk. More...
__STATIC_INLINE uint32_t	ll_i2s_get_sclkg (i2s_regs_t *I2Sx)
	Get the gating of sclk. More...
__STATIC_INLINE void	ll_i2s_clr_rxfifo_all (i2s_regs_t *I2Sx)
	Clear I2S RX FIFO in all channels. More...
__STATIC_INLINE void	ll_i2s_clr_txfifo_all (i2s_regs_t *I2Sx)
	Clear I2S TX FIFO in all channels. More...
__STATIC_INLINE void	ll_i2s_set_clock_div (uint32_t div)
	Set I2S clock divider. More...
__STATIC_INLINE uint32_t	ll_i2s_get_clock_div (void)
	Get I2S clock divider. More...
__STATIC_INLINE void	ll_i2s_enable_clock_div (void)
	Enable I2S clock divider. More...
__STATIC_INLINE void	ll_i2s_disable_clock_div (void)
	Disable I2S clock divider. More...
__STATIC_INLINE uint32_t	ll_i2s_is_enabled_clock_div (void)
	Check if I2S clock divider is enabled. More...
__STATIC_INLINE void	ll_i2s_set_clock_src (uint32_t src)
	Set I2S clock source. More...
__STATIC_INLINE uint32_t	ll_i2s_get_clock_src (void)
	Get I2S clock source. More...

Detailed Description

Function Documentation

ll_i2s_clr_rxfifo_all()

__STATIC_INLINE void ll_i2s_clr_rxfifo_all

(

i2s_regs_t *

I2Sx

)

Clear I2S RX FIFO in all channels.

Register	BitsName
RXFIFO_RST	RST

Parameters

I2Sx	I2S instance

Return values

None

ll_i2s_clr_txfifo_all()

__STATIC_INLINE void ll_i2s_clr_txfifo_all

(

i2s_regs_t *

I2Sx

)

Clear I2S TX FIFO in all channels.

Register	BitsName
TXFIFO_RST	RST

Parameters

I2Sx	I2S instance

Return values

None

ll_i2s_disable()

__STATIC_INLINE void ll_i2s_disable

(

i2s_regs_t *

I2Sx

)

Disable I2S.

Register	BitsName
ENABLE	EN

Parameters

I2Sx	I2S instance

Return values

None

ll_i2s_disable_clock()

__STATIC_INLINE void ll_i2s_disable_clock

(

i2s_regs_t *

I2Sx

)

Disable I2S clock.

Register	BitsName
CLKEN	EN

Parameters

I2Sx	I2S instance

Return values

None

ll_i2s_disable_clock_div()

__STATIC_INLINE void ll_i2s_disable_clock_div

(

void

)

Disable I2S clock divider.

Register	BitsName
I2S_CLK_CFG	DIV_EN

Return values

None

ll_i2s_disable_rxblock()

__STATIC_INLINE void ll_i2s_disable_rxblock

(

i2s_regs_t *

I2Sx

)

Disable I2S RX block.

Register	BitsName
RBEN	EN

Parameters

I2Sx	I2S instance

Return values

None

ll_i2s_disable_txblock()

__STATIC_INLINE void ll_i2s_disable_txblock

(

i2s_regs_t *

I2Sx

)

Disable I2S TX block.

Register	BitsName
TBEN	EN

Parameters

I2Sx	I2S instance

Return values

None

ll_i2s_enable()

__STATIC_INLINE void ll_i2s_enable

(

i2s_regs_t *

I2Sx

)

Enable I2S.

Register	BitsName
ENABLE	EN

Parameters

I2Sx	I2S instance

Return values

None

ll_i2s_enable_clock()

__STATIC_INLINE void ll_i2s_enable_clock

(

i2s_regs_t *

I2Sx

)

Enable I2S clock.

Register	BitsName
CLKEN	EN

Parameters

I2Sx	I2S instance

Return values

None

ll_i2s_enable_clock_div()

__STATIC_INLINE void ll_i2s_enable_clock_div

(

void

)

Enable I2S clock divider.

Register	BitsName
I2S_CLK_CFG	DIV_EN

Return values

None

ll_i2s_enable_rxblock()

__STATIC_INLINE void ll_i2s_enable_rxblock

(

i2s_regs_t *

I2Sx

)

Enable I2S RX block.

Register	BitsName
RBEN	EN

Parameters

I2Sx	I2S instance

Return values

None

ll_i2s_enable_txblock()

__STATIC_INLINE void ll_i2s_enable_txblock

(

i2s_regs_t *

I2Sx

)

Enable I2S TX block.

Register	BitsName
TBEN	EN

Parameters

I2Sx	I2S instance

Return values

None

ll_i2s_get_clock_div()

__STATIC_INLINE uint32_t ll_i2s_get_clock_div

(

void

)

Get I2S clock divider.

Register	BitsName
I2S_CLK_CFG	DIV

Return values

Returned

Value can between: 0 ~ 0xFFF

ll_i2s_get_clock_src()

__STATIC_INLINE uint32_t ll_i2s_get_clock_src

(

void

)

Get I2S clock source.

Register	BitsName
I2S_CLK_CFG	SRC

Return values

Returned

Value can be one of the following values: LL_I2S_CLOCK_SRC_96M LL_I2S_CLOCK_SRC_32M

ll_i2s_get_sclkg()

__STATIC_INLINE uint32_t ll_i2s_get_sclkg

(

i2s_regs_t *

I2Sx

)

Get the gating of sclk.

Register	BitsName
CLKCONFIG	SCLKG

Parameters

I2Sx	I2S instance

Return values

Returned

Value can be one of the following values: LL_I2S_SCLKG_NONE LL_I2S_SCLKG_CYCLES_12 LL_I2S_SCLKG_CYCLES_16 LL_I2S_SCLKG_CYCLES_20 LL_I2S_SCLKG_CYCLES_24

ll_i2s_get_wss()

__STATIC_INLINE uint32_t ll_i2s_get_wss

(

i2s_regs_t *

I2Sx

)

Get word select line cycles for left or right sample.

Register	BitsName
CLKCONFIG	WSS

Parameters

I2Sx	I2S instance

Return values

Returned

Value can be one of the following values: LL_I2S_WS_CYCLES_16 LL_I2S_WS_CYCLES_24 LL_I2S_WS_CYCLES_32

ll_i2s_is_enabled()

__STATIC_INLINE uint32_t ll_i2s_is_enabled

(

i2s_regs_t *

I2Sx

)

Check if I2S is enabled.

Register	BitsName
ENABLE	EN

Parameters

I2Sx	I2S instance

Return values

State

of bit (1 or 0).

ll_i2s_is_enabled_clock()

__STATIC_INLINE uint32_t ll_i2s_is_enabled_clock

(

i2s_regs_t *

I2Sx

)

Check if I2S clock is enabled.

Register	BitsName
CLKEN	EN

Parameters

I2Sx	I2S instance

Return values

State

of bit (1 or 0).

ll_i2s_is_enabled_clock_div()

__STATIC_INLINE uint32_t ll_i2s_is_enabled_clock_div

(

void

)

Check if I2S clock divider is enabled.

Register	BitsName
I2S_CLK_CFG	DIV_EN

Return values

State

of bit (1 or 0).

ll_i2s_is_enabled_rxblock()

__STATIC_INLINE uint32_t ll_i2s_is_enabled_rxblock

(

i2s_regs_t *

I2Sx

)

Check if I2S RX block is enabled.

Register	BitsName
RBEN	EN

Parameters

I2Sx	I2S instance

Return values

State

of bit (1 or 0).

ll_i2s_is_enabled_txblock()

__STATIC_INLINE uint32_t ll_i2s_is_enabled_txblock

(

i2s_regs_t *

I2Sx

)

Check if I2S TX block is enabled.

Register	BitsName
TBEN	EN

Parameters

I2Sx	I2S instance

Return values

State

of bit (1 or 0).

ll_i2s_set_clock_div()

__STATIC_INLINE void ll_i2s_set_clock_div

(

uint32_t

div

)

Set I2S clock divider.

Register	BitsName
I2S_CLK_CFG	DIV

Parameters

div	This parameter can between: 0 ~ 0xFFF

Return values

None

ll_i2s_set_clock_src()

__STATIC_INLINE void ll_i2s_set_clock_src

(

uint32_t

src

)

Set I2S clock source.

Register	BitsName
I2S_CLK_CFG	SRC

Parameters

src	This parameter can be one of the following values: LL_I2S_CLOCK_SRC_96M LL_I2S_CLOCK_SRC_32M

Return values

None

ll_i2s_set_sclkg()

__STATIC_INLINE void ll_i2s_set_sclkg	(	i2s_regs_t *	I2Sx,
		uint32_t	cycles
	)

Set the gating of sclk.

Register	BitsName
CLKCONFIG	SCLKG

Parameters

I2Sx	I2S instance
cycles	This parameter can be one of the following values: LL_I2S_SCLKG_NONE LL_I2S_SCLKG_CYCLES_12 LL_I2S_SCLKG_CYCLES_16 LL_I2S_SCLKG_CYCLES_20 LL_I2S_SCLKG_CYCLES_24

Return values

None

ll_i2s_set_wss()

__STATIC_INLINE void ll_i2s_set_wss	(	i2s_regs_t *	I2Sx,
		uint32_t	cycles
	)

Set word select line cycles for left or right sample.

Note

This bit should be written only when I2S is disabled (I2S_EN = 0) for correct operation.

Register	BitsName
CLKCONFIG	WSS

Parameters

I2Sx	I2S instance
cycles	This parameter can be one of the following values: LL_I2S_WS_CYCLES_16 LL_I2S_WS_CYCLES_24 LL_I2S_WS_CYCLES_32

Return values

None