Collaboration diagram for CAN_Exported_Functions:
|
Functions | |
| void | CAN_CancelTransmit (CAN_TypeDef *CANx, uint8_t Mailbox) |
| Cancels a transmit request. More... | |
| void | CAN_ClearFlag (CAN_TypeDef *CANx, uint32_t CAN_FLAG) |
| Clears the CAN's pending flags. More... | |
| void | CAN_ClearITPendingBit (CAN_TypeDef *CANx, uint32_t CAN_IT) |
| Clears the CANx's interrupt pending bits. More... | |
| void | CAN_DBGFreeze (CAN_TypeDef *CANx, FunctionalState NewState) |
| Enables or disables the DBG Freeze for CAN. More... | |
| void | CAN_DeInit (CAN_TypeDef *CANx) |
| Deinitializes the CAN peripheral registers to their default reset values. More... | |
| void | CAN_FIFORelease (CAN_TypeDef *CANx, uint8_t FIFONumber) |
| Releases the specified receive FIFO. More... | |
| void | CAN_FilterInit (CAN_FilterInitTypeDef *CAN_FilterInitStruct) |
| Configures the CAN reception filter according to the specified parameters in the CAN_FilterInitStruct. More... | |
| FlagStatus | CAN_GetFlagStatus (CAN_TypeDef *CANx, uint32_t CAN_FLAG) |
| Checks whether the specified CAN flag is set or not. More... | |
| ITStatus | CAN_GetITStatus (CAN_TypeDef *CANx, uint32_t CAN_IT) |
| Checks whether the specified CANx interrupt has occurred or not. More... | |
| uint8_t | CAN_GetLastErrorCode (CAN_TypeDef *CANx) |
| Returns the CANx's last error code (LEC). More... | |
| uint8_t | CAN_GetLSBTransmitErrorCounter (CAN_TypeDef *CANx) |
| Returns the LSB of the 9-bit CANx Transmit Error Counter(TEC). More... | |
| uint8_t | CAN_GetReceiveErrorCounter (CAN_TypeDef *CANx) |
| Returns the CANx Receive Error Counter (REC). 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_ITConfig (CAN_TypeDef *CANx, uint32_t CAN_IT, FunctionalState NewState) |
| Enables or disables the specified CANx interrupts. More... | |
| uint8_t | CAN_MessagePending (CAN_TypeDef *CANx, uint8_t FIFONumber) |
| Returns the number of pending received messages. More... | |
| uint8_t | CAN_OperatingModeRequest (CAN_TypeDef *CANx, uint8_t CAN_OperatingMode) |
| Selects the CAN Operation mode. More... | |
| void | CAN_Receive (CAN_TypeDef *CANx, uint8_t FIFONumber, CanRxMsg *RxMessage) |
| Receives a correct CAN frame. More... | |
| void | CAN_SlaveStartBank (uint8_t CAN_BankNumber) |
| Select the start bank filter for slave CAN. More... | |
| uint8_t | CAN_Sleep (CAN_TypeDef *CANx) |
| Enters the Sleep (low power) mode. More... | |
| void | CAN_StructInit (CAN_InitTypeDef *CAN_InitStruct) |
| Fills each CAN_InitStruct member with its default value. More... | |
| uint8_t | CAN_Transmit (CAN_TypeDef *CANx, CanTxMsg *TxMessage) |
| Initiates and transmits a CAN frame message. More... | |
| uint8_t | CAN_TransmitStatus (CAN_TypeDef *CANx, uint8_t TransmitMailbox) |
| Checks the transmission status of a CAN Frame. More... | |
| void | CAN_TTComModeCmd (CAN_TypeDef *CANx, FunctionalState NewState) |
| Enables or disables the CAN Time TriggerOperation communication mode. More... | |
| uint8_t | CAN_WakeUp (CAN_TypeDef *CANx) |
| Wakes up the CAN peripheral from sleep mode . 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 select the CAN peripheral. Mailbox Mailbox number.
- Return values
-
None
- Parameters
-
CANx where x can be 1 to select the CAN1 peripheral. Mailbox Mailbox number.
- Return values
-
None
- Parameters
-
CANx where x can be 1 or 2 to to select the CAN peripheral. Mailbox Mailbox number.
- Return values
-
None.
Definition at line 703 of file stm32f4xx_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 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
- 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 1430 of file stm32f4xx_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. This parameter can be one of the following values: - CAN_IT_TME: Transmit mailbox empty Interrupt
- CAN_IT_FF0: FIFO 0 full Interrupt
- CAN_IT_FOV0: FIFO 0 overrun Interrupt
- CAN_IT_FF1: FIFO 1 full Interrupt
- CAN_IT_FOV1: FIFO 1 overrun Interrupt
- CAN_IT_WKU: Wake-up Interrupt
- CAN_IT_SLK: Sleep acknowledge Interrupt
- CAN_IT_EWG: Error warning Interrupt
- CAN_IT_EPV: Error passive Interrupt
- CAN_IT_BOF: Bus-off Interrupt
- CAN_IT_LEC: Last error code Interrupt
- CAN_IT_ERR: Error Interrupt
- Return values
-
None
- 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 1594 of file stm32f4xx_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 (CAN reception/transmission is frozen during debug. Reception FIFOs can still be accessed/controlled normally) or DISABLE (CAN is working during debug).
- Return values
-
None
- 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 493 of file stm32f4xx_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.
- Parameters
-
CANx where x can be 1 to select the CAN1 peripheral.
- Return values
-
None.
- Parameters
-
CANx where x can be 1 or 2 to select the CAN peripheral.
- Return values
-
None.
Definition at line 167 of file stm32f4xx_can.c.
| void CAN_FIFORelease | ( | CAN_TypeDef * | CANx, |
| uint8_t | FIFONumber | ||
| ) |
Releases the specified receive FIFO.
- Parameters
-
CANx where x can be 1 or 2 to select the CAN peripheral. FIFONumber FIFO to release, CAN_FIFO0 or CAN_FIFO1.
- Return values
-
None
- Parameters
-
CANx where x can be 1 to select the CAN1 peripheral. FIFONumber FIFO to release, CAN_FIFO0 or CAN_FIFO1.
- Return values
-
None Releases the specified receive 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 799 of file stm32f4xx_can.c.
| void CAN_FilterInit | ( | CAN_FilterInitTypeDef * | CAN_FilterInitStruct | ) |
Configures the CAN reception filter 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 Configures the CAN reception filter 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 334 of file stm32f4xx_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 values: - 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).
- 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 1330 of file stm32f4xx_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 values: - CAN_IT_TME: Transmit mailbox empty Interrupt
- CAN_IT_FMP0: FIFO 0 message pending Interrupt
- CAN_IT_FF0: FIFO 0 full Interrupt
- CAN_IT_FOV0: FIFO 0 overrun Interrupt
- CAN_IT_FMP1: FIFO 1 message pending Interrupt
- CAN_IT_FF1: FIFO 1 full Interrupt
- CAN_IT_FOV1: FIFO 1 overrun Interrupt
- CAN_IT_WKU: Wake-up Interrupt
- CAN_IT_SLK: Sleep acknowledge Interrupt
- CAN_IT_EWG: Error warning Interrupt
- CAN_IT_EPV: Error passive Interrupt
- CAN_IT_BOF: Bus-off Interrupt
- CAN_IT_LEC: Last error code Interrupt
- CAN_IT_ERR: Error Interrupt
- Return values
-
The current state of CAN_IT (SET or RESET).
- 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 1490 of file stm32f4xx_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 select the CAN peripheral.
- Return values
-
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
- Parameters
-
CANx where x can be 1 to select the CAN1 peripheral.
- Return values
-
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
- 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 1040 of file stm32f4xx_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 1085 of file stm32f4xx_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 1065 of file stm32f4xx_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 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.
- Parameters
-
CANx where x can be 1 to select the CAN1 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.
- 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 197 of file stm32f4xx_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: Transmit mailbox empty Interrupt
- CAN_IT_FMP0: FIFO 0 message pending Interrupt
- CAN_IT_FF0: FIFO 0 full Interrupt
- CAN_IT_FOV0: FIFO 0 overrun Interrupt
- CAN_IT_FMP1: FIFO 1 message pending Interrupt
- CAN_IT_FF1: FIFO 1 full Interrupt
- CAN_IT_FOV1: FIFO 1 overrun Interrupt
- CAN_IT_WKU: Wake-up Interrupt
- CAN_IT_SLK: Sleep acknowledge Interrupt
- CAN_IT_EWG: Error warning Interrupt
- CAN_IT_EPV: Error passive Interrupt
- CAN_IT_BOF: Bus-off Interrupt
- CAN_IT_LEC: Last error code Interrupt
- CAN_IT_ERR: Error Interrupt
NewState new state of the CAN interrupts. This parameter can be: ENABLE or DISABLE.
- Return values
-
None
- 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 1290 of file stm32f4xx_can.c.
| uint8_t CAN_MessagePending | ( | CAN_TypeDef * | CANx, |
| uint8_t | FIFONumber | ||
| ) |
Returns the number of pending received messages.
- Parameters
-
CANx where x can be 1 or 2 to select the CAN peripheral. FIFONumber Receive FIFO number, CAN_FIFO0 or CAN_FIFO1.
- Return values
-
NbMessage : which is the number of pending message.
- 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.
Returns the number of pending received 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 822 of file stm32f4xx_can.c.
| uint8_t CAN_OperatingModeRequest | ( | CAN_TypeDef * | CANx, |
| uint8_t | CAN_OperatingMode | ||
| ) |
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
- 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
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
Definition at line 872 of file stm32f4xx_can.c.
| void CAN_Receive | ( | CAN_TypeDef * | CANx, |
| uint8_t | FIFONumber, | ||
| CanRxMsg * | RxMessage | ||
| ) |
Receives a correct CAN frame.
- Parameters
-
CANx where x can be 1 or 2 to select the CAN peripheral. FIFONumber Receive FIFO number, CAN_FIFO0 or CAN_FIFO1. RxMessage pointer to a structure receive frame which contains CAN Id, CAN DLC, CAN data and FMI number.
- Return values
-
None
- Parameters
-
CANx where x can be 1 to select the CAN1 peripheral. FIFONumber Receive FIFO number, CAN_FIFO0 or CAN_FIFO1. RxMessage pointer to a structure receive frame which contains CAN Id, CAN DLC, CAN data and FMI number.
- Return values
-
None Receives a correct CAN frame.
- 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 750 of file stm32f4xx_can.c.
| void CAN_SlaveStartBank | ( | uint8_t | CAN_BankNumber | ) |
Select the start bank filter for slave CAN.
- Parameters
-
CAN_BankNumber Select the start slave bank filter from 1..27.
- Return values
-
None
- 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 468 of file stm32f4xx_can.c.
| uint8_t CAN_Sleep | ( | CAN_TypeDef * | CANx | ) |
Enters the Sleep (low power) mode.
- Parameters
-
CANx where x can be 1 or 2 to select the CAN peripheral.
- Return values
-
CAN_Sleep_Ok if sleep entered, CAN_Sleep_Failed otherwise.
- Parameters
-
CANx where x can be 1 to select the CAN1 peripheral.
- Return values
-
CAN_Sleep_Ok if sleep entered, CAN_Sleep_Failed otherwise.
Enters the Sleep (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 953 of file stm32f4xx_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 ill be initialized.
- Return values
-
None
- Parameters
-
CAN_InitStruct pointer to a CAN_InitTypeDef structure which will be initialized.
- Return values
-
None.
Definition at line 425 of file stm32f4xx_can.c.
| uint8_t CAN_Transmit | ( | CAN_TypeDef * | CANx, |
| CanTxMsg * | TxMessage | ||
| ) |
Initiates and transmits a CAN frame 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.
Initiates and transmits a CAN frame 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 577 of file stm32f4xx_can.c.
| uint8_t CAN_TransmitStatus | ( | CAN_TypeDef * | CANx, |
| uint8_t | TransmitMailbox | ||
| ) |
Checks the transmission status of a CAN Frame.
- Parameters
-
CANx where x can be 1 or 2 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.
- Parameters
-
CANx where x can be 1 to select the CAN1 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.
Checks the transmission status of a CAN Frame.
- 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 649 of file stm32f4xx_can.c.
| void CAN_TTComModeCmd | ( | CAN_TypeDef * | CANx, |
| FunctionalState | NewState | ||
| ) |
Enables or disables the CAN Time TriggerOperation communication mode.
- Note
- DLC must be programmed as 8 in order Time Stamp (2 bytes) to be sent over the CAN bus.
- Parameters
-
CANx where x can be 1 or 2 to to select the CAN peripheral. NewState Mode new state. This parameter can be: ENABLE or DISABLE. 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.
- Return values
-
None Enables or disables 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 523 of file stm32f4xx_can.c.
| uint8_t CAN_WakeUp | ( | CAN_TypeDef * | CANx | ) |
Wakes up the CAN peripheral from sleep mode .
- Parameters
-
CANx where x can be 1 or 2 to select the CAN peripheral.
- Return values
-
CAN_WakeUp_Ok if sleep mode left, CAN_WakeUp_Failed otherwise.
- 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.
Wakes up the CAN peripheral from sleep mode .
- 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 978 of file stm32f4xx_can.c.