Modules | Functions
Collaboration diagram for CAN_Private_Functions:

Modules

 Initialization and Configuration functions
 Initialization and Configuration functions.
 
 CAN Frames Transmission functions
 CAN Frames Transmission functions.
 
 CAN Frames Reception functions
 CAN Frames Reception functions.
 
 CAN Operation modes functions
 CAN Operation modes functions.
 
 CAN Bus Error management functions
 CAN Bus Error management functions.
 
 Interrupts and flags management functions
 Interrupts and flags management 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 FIFO. More...
 
void CAN_FilterInit (CAN_FilterInitTypeDef *CAN_FilterInitStruct)
 Initializes the CAN peripheral 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 messages. More...
 
uint8_t CAN_OperatingModeRequest (CAN_TypeDef *CANx, uint8_t CAN_OperatingMode)
 Select the CAN Operation mode. More...
 
void CAN_Receive (CAN_TypeDef *CANx, uint8_t FIFONumber, CanRxMsg *RxMessage)
 Receives a message. 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 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 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_TTComModeCmd (CAN_TypeDef *CANx, FunctionalState NewState)
 Enables or disabes the CAN Time TriggerOperation communication mode. More...
 
uint8_t CAN_WakeUp (CAN_TypeDef *CANx)
 Wakes the CAN up. More...
 
static ITStatus CheckITStatus (uint32_t CAN_Reg, uint32_t It_Bit)
 Checks whether the CAN interrupt has occurred or not. More...
 

Detailed Description

Function Documentation

void CAN_CancelTransmit ( CAN_TypeDef CANx,
uint8_t  Mailbox 
)

Cancels a transmit request.

Parameters
CANxwhere x can be 1 or 2 to to select the CAN peripheral.
MailboxMailbox 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
CANxwhere x can be 1 or 2 to to select the CAN peripheral.
CAN_FLAGspecifies 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
CANxwhere x can be 1 or 2 to to select the CAN peripheral.
CAN_ITspecifies 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
CANxwhere x can be 1 or 2 to to select the CAN peripheral.
NewStatenew 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
CANxwhere 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.

Releases the specified receive FIFO.

Parameters
CANxwhere x can be 1 or 2 to to select the CAN peripheral.
FIFONumberFIFO 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.

Configures the CAN reception filter according to the specified parameters in the CAN_FilterInitStruct.

Parameters
CAN_FilterInitStructpointer 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
CANxwhere x can be 1 or 2 to to select the CAN peripheral.
CAN_FLAGspecifies 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
Thenew 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
CANxwhere x can be 1 or 2 to to select the CAN peripheral.
CAN_ITspecifies 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
Thecurrent 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
CANxwhere x can be 1 or 2 to to select the CAN peripheral.
Return values
CAN_ErrorCodespecifies 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
CANxwhere x can be 1 or 2 to to select the CAN peripheral.
Return values
LSBof 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
CANxwhere x can be 1 or 2 to to select the CAN peripheral.
Return values
CANReceive 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
CANxwhere x can be 1 or 2 to to select the CAN peripheral.
CAN_InitStructpointer to a CAN_InitTypeDef structure that contains the configuration information for the CAN peripheral.
Return values
Constantindicates 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
CANxwhere x can be 1 or 2 to to select the CAN peripheral.
CAN_ITspecifies 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.
NewStatenew 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.

Returns the number of pending received messages.

Parameters
CANxwhere x can be 1 or 2 to to select the CAN peripheral.
FIFONumberReceive 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.

Selects the CAN Operation mode.

Parameters
CAN_OperatingMode: CAN Operating Mode. This parameter can be one of CAN_OperatingMode_TypeDef enumeration.
Return values
statusof 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.

Receives a correct CAN frame.

Parameters
CANxwhere x can be 1 or 2 to to select the CAN peripheral.
FIFONumberReceive FIFO number, CAN_FIFO0 or CAN_FIFO1.
RxMessagepointer 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_BankNumberSelect 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.

Enters the Sleep (low power) mode.

Parameters
CANxwhere x can be 1 or 2 to to select the CAN peripheral.
Return values
statusCAN_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_InitStructpointer 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.

Initiates and transmits a CAN frame message.

Parameters
CANxwhere x can be 1 or 2 to to select the CAN peripheral.
TxMessagepointer to a structure which contains CAN Id, CAN DLC and CAN data.
Return values
Thenumber 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.

Checks the transmission status of a CAN Frame.

Parameters
CANxwhere x can be 1 or 2 to to select the CAN peripheral.
TransmitMailboxthe number of the mailbox that is used for transmission.
Return values
CAN_TxStatus_Okif 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.

Enables or disables the CAN Time TriggerOperation communication mode.

Parameters
CANxwhere 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.

Wakes up the CAN peripheral from sleep mode .

Parameters
CANxwhere x can be 1 or 2 to to select the CAN peripheral.
Return values
statusCAN_WakeUp_Ok if sleep mode left, CAN_WakeUp_Failed in an other case.

Definition at line 882 of file stm32f10x_can.c.

static ITStatus CheckITStatus ( uint32_t  CAN_Reg,
uint32_t  It_Bit 
)
static

Checks whether the CAN interrupt has occurred or not.

Parameters
CAN_Regspecifies the CAN interrupt register to check.
It_Bitspecifies the interrupt source bit to check.
Return values
Thenew state of the CAN Interrupt (SET or RESET).

Definition at line 1600 of file stm32f30x_can.c.



rosflight_firmware
Author(s): Daniel Koch , James Jackson
autogenerated on Thu Oct 24 2019 03:17:22