ST STM32F31xx

Inter-integrated circuit interface (I2C)
UM1581
266/584
DocID023800 Rev 1
13.2.11.7 I2C_CalculatePEC
Function Name
void I2C_CalculatePEC ( I2C_TypeDef * I2Cx, FunctionalState
NewState)
Function Description
Enables or disables I2C PEC calculation.
Parameters
 I2Cx : where x can be 1 or 2 to select the I2C peripheral.
 NewState : new state of the I2Cx PEC calculation. This
parameter can be: ENABLE or DISABLE.
Return values
 None.
Notes
 None.
13.2.11.8 I2C_PECRequestCmd
Function Name
void I2C_PECRequestCmd ( I2C_TypeDef * I2Cx,
FunctionalState NewState)
Function Description
Enables or disables I2C PEC transmission/reception request.
Parameters
 I2Cx : where x can be 1 or 2 to select the I2C peripheral.
 NewState : new state of the I2Cx PEC request. This
parameter can be: ENABLE or DISABLE.
Return values
 None.
Notes
 None.
13.2.11.9 I2C_GetPEC
Function Name
uint8_t I2C_GetPEC ( I2C_TypeDef * I2Cx)
Function Description
Returns the I2C PEC.
Parameters
 I2Cx : where x can be 1 or 2 to select the I2C peripheral.
Return values
 The value of the PEC .
Notes
 None.