Functions
void	CAN_DeInit (CAN_TypeDef *CANx)
	Deinitializes the CAN peripheral registers to their default reset values. More...

uint8_t	CAN_Init (CAN_TypeDef CANx, CAN_InitTypeDef CAN_InitStruct)
	Initializes the CAN peripheral according to the specified parameters in the CAN_InitStruct. More...

void	CAN_FilterInit (CAN_FilterInitTypeDef *CAN_FilterInitStruct)
	Initializes the CAN peripheral according to the specified parameters in the CAN_FilterInitStruct. More...

void	CAN_StructInit (CAN_InitTypeDef *CAN_InitStruct)
	Fills each CAN_InitStruct member with its default value. More...

void	CAN_SlaveStartBank (uint8_t CAN_BankNumber)
	Select the start bank filter for slave CAN. More...

void	CAN_DBGFreeze (CAN_TypeDef *CANx, FunctionalState NewState)
	Enables or disables the DBG Freeze for CAN. More...

void	CAN_TTComModeCmd (CAN_TypeDef *CANx, FunctionalState NewState)
	Enables or disabes the CAN Time TriggerOperation communication mode. More...

uint8_t	CAN_Transmit (CAN_TypeDef CANx, CanTxMsg TxMessage)
	Initiates the transmission of a message. More...

uint8_t	CAN_TransmitStatus (CAN_TypeDef *CANx, uint8_t TransmitMailbox)
	Checks the transmission of a message. More...

void	CAN_CancelTransmit (CAN_TypeDef *CANx, uint8_t Mailbox)
	Cancels a transmit request. More...

void	CAN_Receive (CAN_TypeDef CANx, uint8_t FIFONumber, CanRxMsg RxMessage)
	Receives a message. More...

void	CAN_FIFORelease (CAN_TypeDef *CANx, uint8_t FIFONumber)
	Releases the specified FIFO. More...

uint8_t	CAN_MessagePending (CAN_TypeDef *CANx, uint8_t FIFONumber)
	Returns the number of pending messages. More...

uint8_t	CAN_OperatingModeRequest (CAN_TypeDef *CANx, uint8_t CAN_OperatingMode)
	Select the CAN Operation mode. More...

uint8_t	CAN_Sleep (CAN_TypeDef *CANx)
	Enters the low power mode. More...

uint8_t	CAN_WakeUp (CAN_TypeDef *CANx)
	Wakes the CAN up. More...

uint8_t	CAN_GetLastErrorCode (CAN_TypeDef *CANx)
	Returns the CANx's last error code (LEC). More...

uint8_t	CAN_GetReceiveErrorCounter (CAN_TypeDef *CANx)
	Returns the CANx Receive Error Counter (REC). More...

uint8_t	CAN_GetLSBTransmitErrorCounter (CAN_TypeDef *CANx)
	Returns the LSB of the 9-bit CANx Transmit Error Counter(TEC). More...

void	CAN_ITConfig (CAN_TypeDef *CANx, uint32_t CAN_IT, FunctionalState NewState)
	Enables or disables the specified CANx interrupts. More...

FlagStatus	CAN_GetFlagStatus (CAN_TypeDef *CANx, uint32_t CAN_FLAG)
	Checks whether the specified CAN flag is set or not. More...

void	CAN_ClearFlag (CAN_TypeDef *CANx, uint32_t CAN_FLAG)
	Clears the CAN's pending flags. More...

ITStatus	CAN_GetITStatus (CAN_TypeDef *CANx, uint32_t CAN_IT)
	Checks whether the specified CANx interrupt has occurred or not. More...

void	CAN_ClearITPendingBit (CAN_TypeDef *CANx, uint32_t CAN_IT)
	Clears the CANx's interrupt pending bits. More...

Detailed Description

Function Documentation

void CAN_CancelTransmit	(	CAN_TypeDef *	CANx,
		uint8_t	Mailbox
	)

Cancels a transmit request.

Parameters

CANx,:	where x can be 1 or 2 to to select the CAN peripheral.
Mailbox,:	Mailbox number.

Return values

None.

Definition at line 643 of file stm32f10x_can.c.

void CAN_ClearFlag	(	CAN_TypeDef *	CANx,
		uint32_t	CAN_FLAG
	)

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 flags: CAN_FLAG_RQCP0 CAN_FLAG_RQCP1 CAN_FLAG_RQCP2 CAN_FLAG_FF1 CAN_FLAG_FOV1 CAN_FLAG_FF0 CAN_FLAG_FOV0 CAN_FLAG_WKU CAN_FLAG_SLAK CAN_FLAG_LEC

Return values

None.

Definition at line 1143 of file stm32f10x_can.c.

void CAN_ClearITPendingBit	(	CAN_TypeDef *	CANx,
		uint32_t	CAN_IT
	)

Clears the CANx's interrupt pending bits.

Parameters

CANx,:	where x can be 1 or 2 to to select the CAN peripheral.
CAN_IT,:	specifies the interrupt pending bit to clear. CAN_IT_TME CAN_IT_FF0 CAN_IT_FOV0 CAN_IT_FF1 CAN_IT_FOV1 CAN_IT_WKU CAN_IT_SLK CAN_IT_EWG CAN_IT_EPV CAN_IT_BOF CAN_IT_LEC CAN_IT_ERR

Return values

None.

Definition at line 1306 of file stm32f10x_can.c.

void CAN_DBGFreeze	(	CAN_TypeDef *	CANx,
		FunctionalState	NewState
	)

Enables or disables the DBG Freeze for CAN.

Parameters

CANx,:	where x can be 1 or 2 to to select the CAN peripheral.
NewState,:	new state of the CAN peripheral. This parameter can be: ENABLE or DISABLE.

Return values

None.

Definition at line 451 of file stm32f10x_can.c.

void CAN_DeInit ( CAN_TypeDef * CANx)

Deinitializes the CAN peripheral registers to their default reset values.

Parameters

CANx,: where x can be 1 or 2 to select the CAN peripheral.

Return values

None.

Definition at line 122 of file stm32f10x_can.c.

void CAN_FIFORelease	(	CAN_TypeDef *	CANx,
		uint8_t	FIFONumber
	)

Releases the specified FIFO.

Parameters

CANx,:	where x can be 1 or 2 to to select the CAN peripheral.
FIFONumber,:	FIFO to release, CAN_FIFO0 or CAN_FIFO1.

Return values

None.

Definition at line 720 of file stm32f10x_can.c.

void CAN_FilterInit ( CAN_FilterInitTypeDef * CAN_FilterInitStruct)

Initializes the CAN peripheral according to the specified parameters in the CAN_FilterInitStruct.

Parameters

CAN_FilterInitStruct,: pointer to a CAN_FilterInitTypeDef structure that contains the configuration information.

Return values

None.

Definition at line 292 of file stm32f10x_can.c.

FlagStatus CAN_GetFlagStatus	(	CAN_TypeDef *	CANx,
		uint32_t	CAN_FLAG
	)

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 flags: CAN_FLAG_EWG CAN_FLAG_EPV CAN_FLAG_BOF CAN_FLAG_RQCP0 CAN_FLAG_RQCP1 CAN_FLAG_RQCP2 CAN_FLAG_FMP1 CAN_FLAG_FF1 CAN_FLAG_FOV1 CAN_FLAG_FMP0 CAN_FLAG_FF0 CAN_FLAG_FOV0 CAN_FLAG_WKU CAN_FLAG_SLAK CAN_FLAG_LEC

Return values

The	new state of CAN_FLAG (SET or RESET).

Definition at line 1043 of file stm32f10x_can.c.

ITStatus CAN_GetITStatus	(	CAN_TypeDef *	CANx,
		uint32_t	CAN_IT
	)

Checks whether the specified CANx interrupt has occurred or not.

Parameters

CANx,:	where x can be 1 or 2 to to select the CAN peripheral.
CAN_IT,:	specifies the CAN interrupt source to check. This parameter can be one of the following flags: CAN_IT_TME CAN_IT_FMP0 CAN_IT_FF0 CAN_IT_FOV0 CAN_IT_FMP1 CAN_IT_FF1 CAN_IT_FOV1 CAN_IT_WKU CAN_IT_SLK CAN_IT_EWG CAN_IT_EPV CAN_IT_BOF CAN_IT_LEC CAN_IT_ERR

Return values

The	current state of CAN_IT (SET or RESET).

Definition at line 1203 of file stm32f10x_can.c.

uint8_t CAN_GetLastErrorCode ( CAN_TypeDef * CANx)

Returns the CANx's last error code (LEC).

Parameters

CANx,: where x can be 1 or 2 to to select the CAN peripheral.

Return values

CAN_ErrorCode,:

specifies the Error code :

CAN_ERRORCODE_NoErr No Error
CAN_ERRORCODE_StuffErr Stuff Error
CAN_ERRORCODE_FormErr Form Error
CAN_ERRORCODE_ACKErr Acknowledgment Error
CAN_ERRORCODE_BitRecessiveErr Bit Recessive Error
CAN_ERRORCODE_BitDominantErr Bit Dominant Error
CAN_ERRORCODE_CRCErr CRC Error
CAN_ERRORCODE_SoftwareSetErr Software Set Error

Definition at line 922 of file stm32f10x_can.c.

uint8_t CAN_GetLSBTransmitErrorCounter ( CAN_TypeDef * CANx)

Returns the LSB of the 9-bit CANx Transmit Error Counter(TEC).

Parameters

CANx,: where x can be 1 or 2 to to select the CAN peripheral.

Return values

LSB	of the 9-bit CAN Transmit Error Counter.

Definition at line 966 of file stm32f10x_can.c.

uint8_t CAN_GetReceiveErrorCounter ( CAN_TypeDef * CANx)

Returns the CANx Receive Error Counter (REC).

Note: In case of an error during reception, this counter is incremented by 1 or by 8 depending on the error condition as defined by the CAN standard. After every successful reception, the counter is decremented by 1 or reset to 120 if its value was higher than 128. When the counter value exceeds 127, the CAN controller enters the error passive state.

Parameters

CANx,: where x can be 1 or 2 to to select the CAN peripheral.

Return values

CAN	Receive Error Counter.

Definition at line 946 of file stm32f10x_can.c.

uint8_t CAN_Init	(	CAN_TypeDef *	CANx,
		CAN_InitTypeDef *	CAN_InitStruct
	)

Initializes the CAN peripheral according to the specified parameters in the CAN_InitStruct.

Parameters

CANx,:	where x can be 1 or 2 to to select the CAN peripheral.
CAN_InitStruct,:	pointer to a CAN_InitTypeDef structure that contains the configuration information for the CAN peripheral.

Return values

Constant indicates initialization succeed which will be CAN_InitStatus_Failed or CAN_InitStatus_Success.

Definition at line 154 of file stm32f10x_can.c.

void CAN_ITConfig	(	CAN_TypeDef *	CANx,
		uint32_t	CAN_IT,
		FunctionalState	NewState
	)

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, CAN_IT_FMP0, CAN_IT_FF0, CAN_IT_FOV0, CAN_IT_FMP1, CAN_IT_FF1, CAN_IT_FOV1, CAN_IT_EWG, CAN_IT_EPV, CAN_IT_LEC, CAN_IT_ERR, CAN_IT_WKU or CAN_IT_SLK.
NewState,:	new state of the CAN interrupts. This parameter can be: ENABLE or DISABLE.

Return values

None.

Definition at line 1003 of file stm32f10x_can.c.

uint8_t CAN_MessagePending	(	CAN_TypeDef *	CANx,
		uint8_t	FIFONumber
	)

Returns the number of pending messages.

Parameters

CANx,:	where x can be 1 or 2 to to select the CAN peripheral.
FIFONumber,:	Receive FIFO number, CAN_FIFO0 or CAN_FIFO1.

Return values

NbMessage : which is the number of pending message.

Definition at line 743 of file stm32f10x_can.c.

uint8_t CAN_OperatingModeRequest	(	CAN_TypeDef *	CANx,
		uint8_t	CAN_OperatingMode
	)

Select 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

Definition at line 774 of file stm32f10x_can.c.

void CAN_Receive	(	CAN_TypeDef *	CANx,
		uint8_t	FIFONumber,
		CanRxMsg *	RxMessage
	)

Receives a message.

Parameters

CANx,:	where x can be 1 or 2 to to select the CAN peripheral.
FIFONumber,:	Receive FIFO number, CAN_FIFO0 or CAN_FIFO1.
RxMessage,:	pointer to a structure receive message which contains CAN Id, CAN DLC, CAN datas and FMI number.

Return values

None.

Definition at line 671 of file stm32f10x_can.c.

void CAN_SlaveStartBank ( uint8_t CAN_BankNumber)

Select the start bank filter for slave CAN.

Note: This function applies only to STM32 Connectivity line devices.

Parameters

CAN_BankNumber,: Select the start slave bank filter from 1..27.

Return values

None.

Definition at line 428 of file stm32f10x_can.c.

uint8_t CAN_Sleep ( CAN_TypeDef * CANx)

Enters the low power mode.

Parameters

CANx,: where x can be 1 or 2 to to select the CAN peripheral.

Return values

status,: CAN_Sleep_Ok if sleep entered, CAN_Sleep_Failed in an other case.

Definition at line 856 of file stm32f10x_can.c.

void CAN_StructInit ( CAN_InitTypeDef * CAN_InitStruct)

Fills each CAN_InitStruct member with its default value.

Parameters

CAN_InitStruct,: pointer to a CAN_InitTypeDef structure which will be initialized.

Return values

None.

Definition at line 384 of file stm32f10x_can.c.

uint8_t CAN_Transmit	(	CAN_TypeDef *	CANx,
		CanTxMsg *	TxMessage
	)

Initiates the transmission of a message.

Parameters

CANx,:	where x can be 1 or 2 to to select the CAN peripheral.
TxMessage,:	pointer to a structure which contains CAN Id, CAN DLC and CAN data.

Return values

The	number of the mailbox that is used for transmission or CAN_TxStatus_NoMailBox if there is no empty mailbox.

Definition at line 515 of file stm32f10x_can.c.

uint8_t CAN_TransmitStatus	(	CAN_TypeDef *	CANx,
		uint8_t	TransmitMailbox
	)

Checks the transmission of a message.

Parameters

CANx,:	where x can be 1 or 2 to to select the CAN peripheral.
TransmitMailbox,:	the number of the mailbox that is used for transmission.

Return values

CAN_TxStatus_Ok if the CAN driver transmits the message, CAN_TxStatus_Failed in an other case.

Definition at line 589 of file stm32f10x_can.c.

void CAN_TTComModeCmd	(	CAN_TypeDef *	CANx,
		FunctionalState	NewState
	)

Enables or disabes the CAN Time TriggerOperation communication mode.

Parameters

CANx,:	where x can be 1 or 2 to to select the CAN peripheral.
NewState	: Mode new state , can be one of FunctionalState.

Note: when enabled, Time stamp (TIME[15:0]) value is sent in the last two data bytes of the 8-byte message: TIME[7:0] in data byte 6 and TIME[15:8] in data byte 7; DLC must be programmed as 8 in order Time Stamp (2 bytes) to be sent over the CAN bus.

Return values

None

Definition at line 481 of file stm32f10x_can.c.

uint8_t CAN_WakeUp ( CAN_TypeDef * CANx)

Wakes the CAN up.

Parameters

CANx,: where x can be 1 or 2 to to select the CAN peripheral.

Return values

status,: CAN_WakeUp_Ok if sleep mode left, CAN_WakeUp_Failed in an other case.

Definition at line 882 of file stm32f10x_can.c.

Functions

Detailed Description

Function Documentation