ST STM32F31xx

UM1581
Controller area network (bxCAN)
DocID023800 Rev 1
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4.2.11.2 CAN_Sleep
Function Name
uint8_t CAN_Sleep ( CAN_TypeDef * CANx)
Function Description
Enters the Sleep (low power) mode.
Parameters
 CANx : where x can be 1 to select the CAN1 peripheral.
Return values
 CAN_Sleep_Ok if sleep entered, CAN_Sleep_Failed
otherwise.
Notes
 None.
4.2.11.3 CAN_WakeUp
Function Name
uint8_t CAN_WakeUp ( CAN_TypeDef * CANx)
Function Description
Wakes up the CAN peripheral from sleep mode .
Parameters
 CANx : where x can be 1 to select the CAN1 peripheral.
Return values
 CAN_WakeUp_Ok if sleep mode left,
CAN_WakeUp_Failed otherwise.
Notes
 None.
4.2.12 CAN Bus Error management functions
4.2.12.1 CAN_GetLastErrorCode
Function Name
uint8_t CAN_GetLastErrorCode ( CAN_TypeDef * CANx)
Function Description
Returns the CANx's last error code (LEC).
Parameters
 CANx : where x can be 1 to select the CAN1 peripheral.
Return values
 Error code:
 CAN_ERRORCODE_NoErr: No Error