ST STM32F31xx - Page 124

Controller area network (bxCAN)
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 CAN_FLAG_RQCP0 : Request MailBox0 Flag
 CAN_FLAG_RQCP1 : Request MailBox1 Flag
 CAN_FLAG_RQCP2 : Request MailBox2 Flag
 CAN_FLAG_FMP0 : FIFO 0 Message Pending Flag
 CAN_FLAG_FF0 : FIFO 0 Full Flag
 CAN_FLAG_FOV0 : FIFO 0 Overrun Flag
 CAN_FLAG_FMP1 : FIFO 1 Message Pending Flag
 CAN_FLAG_FF1 : FIFO 1 Full Flag
 CAN_FLAG_FOV1 : FIFO 1 Overrun Flag
 CAN_FLAG_WKU : Wake up Flag
 CAN_FLAG_SLAK : Sleep acknowledge Flag
 CAN_FLAG_EWG : Error Warning Flag
 CAN_FLAG_EPV : Error Passive Flag
 CAN_FLAG_BOF : Bus-Off Flag
 CAN_FLAG_LEC : Last error code Flag
Return values
 The new state of CAN_FLAG (SET or RESET).
Notes
 None.
4.2.13.3 CAN_ClearFlag
Function Name
void CAN_ClearFlag ( CAN_TypeDef * CANx, uint32_t
CAN_FLAG)
Function Description
Clears the CAN's pending flags.
Parameters
 CANx : where x can be 1 or 2 to to select the CAN
peripheral.
 CAN_FLAG : specifies the flag to clear. This parameter can
be one of the following values:
 CAN_FLAG_RQCP0 : Request MailBox0 Flag
 CAN_FLAG_RQCP1 : Request MailBox1 Flag
 CAN_FLAG_RQCP2 : Request MailBox2 Flag
 CAN_FLAG_FF0 : FIFO 0 Full Flag
 CAN_FLAG_FOV0 : FIFO 0 Overrun Flag
 CAN_FLAG_FF1 : FIFO 1 Full Flag
 CAN_FLAG_FOV1 : FIFO 1 Overrun Flag
 CAN_FLAG_WKU : Wake up Flag
 CAN_FLAG_SLAK : Sleep acknowledge Flag
 CAN_FLAG_LEC : Last error code Flag
Return values
 None.
Notes
 None.