ST STM32F2

LL I2C Generic Driver
UM1940
962/1371
DocID028236 Rev 2
Parameters
I2Cx: I2C Instance.
Return values
State: of bit (1 or 0).
Notes
RESET: When next data is written in Transmit data register.
SET: When Transmit data register is empty.
Reference Manual to
LL API cross
reference:
SR1 TXE LL_I2C_IsActiveFlag_TXE
LL_I2C_IsActiveFlag_BTF
Function name
__STATIC_INLINE uint32_t LL_I2C_IsActiveFlag_BTF
(I2C_TypeDef * I2Cx)
Function description
Indicate the status of Byte Transfer Finished flag.
Parameters
I2Cx: I2C Instance.
Return values
State: of bit (1 or 0).
Reference Manual to
LL API cross
reference:
SR1 BTF LL_I2C_IsActiveFlag_BTF
LL_I2C_IsActiveFlag_RXNE
Function name
__STATIC_INLINE uint32_t LL_I2C_IsActiveFlag_RXNE
(I2C_TypeDef * I2Cx)
Function description
Indicate the status of Receive data register not empty flag.
Parameters
I2Cx: I2C Instance.
Return values
State: of bit (1 or 0).
Notes
RESET: When Receive data register is read. SET: When the
received data is copied in Receive data register.
Reference Manual to
LL API cross
reference:
SR1 RXNE LL_I2C_IsActiveFlag_RXNE
LL_I2C_IsActiveFlag_SB
Function name
__STATIC_INLINE uint32_t LL_I2C_IsActiveFlag_SB
(I2C_TypeDef * I2Cx)
Function description
Indicate the status of Start Bit (master mode).
Parameters
I2Cx: I2C Instance.
Return values
State: of bit (1 or 0).
Notes
RESET: When No Start condition. SET: When Start condition
is generated.
Reference Manual to
LL API cross
reference:
SR1 SB LL_I2C_IsActiveFlag_SB