ST STM32F2 User Manual

UM1940
LL I2S Generic Driver
DocID028236 Rev 2
983/1371
Function description
Get I2S data frame length.
Parameters
SPIx: SPI Instance
Return values
Returned: value can be one of the following values:
LL_I2S_DATAFORMAT_16B
LL_I2S_DATAFORMAT_16B_EXTENDED
LL_I2S_DATAFORMAT_24B
LL_I2S_DATAFORMAT_32B
Reference Manual to
LL API cross
reference:
I2SCFGR DATLEN LL_I2S_GetDataFormat
I2SCFGR CHLEN LL_I2S_GetDataFormat
LL_I2S_SetClockPolarity
Function name
__STATIC_INLINE void LL_I2S_SetClockPolarity
(SPI_TypeDef * SPIx, uint32_t ClockPolarity)
Function description
Set I2S clock polarity.
Parameters
SPIx: SPI Instance
ClockPolarity: This parameter can be one of the following
values:
LL_I2S_POLARITY_LOW
LL_I2S_POLARITY_HIGH
Return values
None:
Reference Manual to
LL API cross
reference:
I2SCFGR CKPOL LL_I2S_SetClockPolarity
LL_I2S_GetClockPolarity
Function name
__STATIC_INLINE uint32_t LL_I2S_GetClockPolarity
(SPI_TypeDef * SPIx)
Function description
Get I2S clock polarity.
Parameters
SPIx: SPI Instance
Return values
Returned: value can be one of the following values:
LL_I2S_POLARITY_LOW
LL_I2S_POLARITY_HIGH
Reference Manual to
LL API cross
reference:
I2SCFGR CKPOL LL_I2S_GetClockPolarity
LL_I2S_SetStandard
Function name
__STATIC_INLINE void LL_I2S_SetStandard (SPI_TypeDef *
SPIx, uint32_t Standard)
Function description
Set I2S standard protocol.
Parameters
SPIx: SPI Instance
Standard: This parameter can be one of the following
values:

ST STM32F2 Specifications

General

Brand	ST
Model	STM32F2
Category	Microcontrollers
Language	English