ST STM32F2 User Manual page 116

HAL CAN Generic Driver
__HAL_CAN_CLEAR_FLAG
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Return value:
The: new state of __FLAG__ (TRUE or
FALSE).
Description:
Clear the specified CAN pending flag.
Parameters:
__HANDLE__: CAN Handle.
__FLAG__: specifies the flag to check.
This parameter can be one of the following
values:
Return value:
The: new state of __FLAG__ (TRUE or
DocID028236 Rev 2
acknowledge Flag
CAN_FLAG_EWG: Error Warning
Flag
CAN_FLAG_EPV: Error Passive Flag
CAN_FLAG_BOF: Bus-Off Flag
CAN_TSR_RQCP0: Request
MailBox0 Flag
CAN_TSR_RQCP1: Request
MailBox1 Flag
CAN_TSR_RQCP2: Request
MailBox2 Flag
CAN_FLAG_TXOK0: Transmission
OK MailBox0 Flag
CAN_FLAG_TXOK1: Transmission
OK MailBox1 Flag
CAN_FLAG_TXOK2: Transmission
OK MailBox2 Flag
CAN_FLAG_TME0: Transmit mailbox
0 empty Flag
CAN_FLAG_TME1: Transmit mailbox
1 empty Flag
CAN_FLAG_TME2: Transmit mailbox
2 empty 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_SLAKI: Sleep
acknowledge Flag
UM1940