ST STM32F2 - LlI2 CIsactiveflagBusy; LlI2 CIsactiveflagDual; LlI2 CIsactivesmbusflagSmbhost

LL I2C Generic Driver
UM1940
966/1371
DocID028236 Rev 2
LL_I2C_IsActiveFlag_BUSY
Function name
__STATIC_INLINE uint32_t LL_I2C_IsActiveFlag_BUSY
(I2C_TypeDef * I2Cx)
Function description
Indicate the status of Bus Busy flag.
Parameters
I2Cx: I2C Instance.
Return values
State: of bit (1 or 0).
Notes
RESET: Clear default value. SET: When a Start condition is
detected.
Reference Manual to
LL API cross
reference:
SR2 BUSY LL_I2C_IsActiveFlag_BUSY
LL_I2C_IsActiveFlag_DUAL
Function name
__STATIC_INLINE uint32_t LL_I2C_IsActiveFlag_DUAL
(I2C_TypeDef * I2Cx)
Function description
Indicate the status of Dual flag.
Parameters
I2Cx: I2C Instance.
Return values
State: of bit (1 or 0).
Notes
RESET: Received address matched with OAR1. SET:
Received address matched with OAR2.
Reference Manual to
LL API cross
reference:
SR2 DUALF LL_I2C_IsActiveFlag_DUAL
LL_I2C_IsActiveSMBusFlag_SMBHOST
Function name
__STATIC_INLINE uint32_t
LL_I2C_IsActiveSMBusFlag_SMBHOST (I2C_TypeDef * I2Cx)
Function description
Indicate the status of SMBus Host address reception (Slave
mode).
Parameters
I2Cx: I2C Instance.
Return values
State: of bit (1 or 0).
Notes
Macro IS_SMBUS_ALL_INSTANCE(I2Cx) can be used to
check whether or not SMBus feature is supported by the I2Cx
Instance.
RESET: No SMBus Host address SET: SMBus Host address
received.
This status is cleared by hardware after a STOP condition or
repeated START condition.
Reference Manual to
LL API cross
reference:
SR2 SMBHOST LL_I2C_IsActiveSMBusFlag_SMBHOST