ST STM32F31xx

Controller area network (bxCAN)
UM1581
120/584
DocID023800 Rev 1
FIFONumber)
Function Description
Releases the specified receive FIFO.
Parameters
 CANx : where x can be 1 to select the CAN1 peripheral.
 FIFONumber : FIFO to release, CAN_FIFO0 or CAN_FIFO1.
Return values
 None.
Notes
 None.
4.2.10.3 CAN_MessagePending
Function Name
uint8_t CAN_MessagePending ( CAN_TypeDef * CANx,
uint8_t FIFONumber)
Function Description
Returns the number of pending received messages.
Parameters
 CANx : where x can be 1 to select the CAN1 peripheral.
 FIFONumber : Receive FIFO number, CAN_FIFO0 or
CAN_FIFO1.
Return values
 NbMessage : which is the number of pending message.
Notes
 None.
4.2.11 CAN Operating mode functions
4.2.11.1 CAN_OperatingModeRequest
Function Name
uint8_t CAN_OperatingModeRequest ( CAN_TypeDef * CANx,
uint8_t CAN_OperatingMode)
Function Description
Selects the CAN Operation mode.
Parameters
 CAN_OperatingMode : CAN Operating Mode. This
parameter can be one of CAN_OperatingMode_TypeDef
enumeration.
Return values
 status of the requested mode which can be:
 CAN_ModeStatus_Failed: CAN failed entering the
specific mode
 CAN_ModeStatus_Success: CAN Succeed entering
the specific mode
Notes
 None.