ST STM32F2 User Manual

UM1940
LL I2C Generic Driver
DocID028236 Rev 2
973/1371
(I2C_TypeDef * I2Cx)
Function description
Indicate the value of transfer direction.
Parameters
I2Cx: I2C Instance.
Return values
Returned: value can be one of the following values:
LL_I2C_DIRECTION_WRITE
LL_I2C_DIRECTION_READ
Notes
RESET: Bus is in read transfer (peripheral point of view).
SET: Bus is in write transfer (peripheral point of view).
Reference Manual to
LL API cross
reference:
SR2 TRA LL_I2C_GetTransferDirection
LL_I2C_EnableLastDMA
Function name
__STATIC_INLINE void LL_I2C_EnableLastDMA (I2C_TypeDef
* I2Cx)
Function description
Enable DMA last transfer.
Parameters
I2Cx: I2C Instance.
Return values
None:
Notes
This action mean that next DMA EOT is the last transfer.
Reference Manual to
LL API cross
reference:
CR2 LAST LL_I2C_EnableLastDMA
LL_I2C_DisableLastDMA
Function name
__STATIC_INLINE void LL_I2C_DisableLastDMA (I2C_TypeDef
* I2Cx)
Function description
Disable DMA last transfer.
Parameters
I2Cx: I2C Instance.
Return values
None:
Notes
This action mean that next DMA EOT is not the last transfer.
Reference Manual to
LL API cross
reference:
CR2 LAST LL_I2C_DisableLastDMA
LL_I2C_IsEnabledLastDMA
Function name
__STATIC_INLINE uint32_t LL_I2C_IsEnabledLastDMA
(I2C_TypeDef * I2Cx)
Function description
Check if DMA last transfer is enabled or disabled.
Parameters
I2Cx: I2C Instance.
Return values
State: of bit (1 or 0).
Reference Manual to
CR2 LAST LL_I2C_IsEnabledLastDMA

ST STM32F2 Specifications

General

Brand	ST
Model	STM32F2
Category	Microcontrollers
Language	English