ST STM32F31xx

UM1581
Controller area network (bxCAN)
DocID023800 Rev 1
123/584
4.2.13 Interrupts and flags management functions
4.2.13.1 CAN_ITConfig
Function Name
void CAN_ITConfig ( CAN_TypeDef * CANx, uint32_t CAN_IT,
FunctionalState NewState)
Function Description
Enables or disables the specified CANx interrupts.
Parameters
 CANx : where x can be 1 or 2 to to select the CAN
peripheral.
 CAN_IT : specifies the CAN interrupt sources to be enabled
or disabled. This parameter can be:
 CAN_IT_TME : Transmit mailbox empty Interrupt
 CAN_IT_FMP0 : FIFO 0 message pending Interrupt
 CAN_IT_FF0 : FIFO 0 full Interrupt
 CAN_IT_FOV0 : FIFO 0 overrun Interrupt
 CAN_IT_FMP1 : FIFO 1 message pending Interrupt
 CAN_IT_FF1 : FIFO 1 full Interrupt
 CAN_IT_FOV1 : FIFO 1 overrun Interrupt
 CAN_IT_WKU : Wake-up Interrupt
 CAN_IT_SLK : Sleep acknowledge Interrupt
 CAN_IT_EWG : Error warning Interrupt
 CAN_IT_EPV : Error passive Interrupt
 CAN_IT_BOF : Bus-off Interrupt
 CAN_IT_LEC : Last error code Interrupt
 CAN_IT_ERR : Error Interrupt
 NewState : new state of the CAN interrupts. This parameter
can be: ENABLE or DISABLE.
Return values
 None.
Notes
 None.
4.2.13.2 CAN_GetFlagStatus
Function Name
FlagStatus CAN_GetFlagStatus ( CAN_TypeDef * CANx,
uint32_t CAN_FLAG)
Function Description
Checks whether the specified CAN flag is set or not.
Parameters
 CANx : where x can be 1 or 2 to to select the CAN
peripheral.
 CAN_FLAG : specifies the flag to check. This parameter can
be one of the following values: