SPI driver modules. More...

Collaboration diagram for SPI:

Modules
	SPI_Exported_Constants

	SPI_Private_Functions

	SPI_Exported_Types

	SPI_Exported_Macros

	SPI_Exported_Functions

	SPI_Private_TypesDefinitions

	SPI_Private_Defines

	SPI_Private_Macros

	SPI_Private_Variables

	SPI_Private_FunctionPrototypes

Classes
struct	I2S_InitTypeDef
	I2S Init structure definition. More...

struct	SPI_InitTypeDef
	SPI Init structure definition. More...

Macros
#define	CR1_CLEAR_MASK ((uint16_t)0x3040)

#define	CR1_CLEAR_MASK ((uint16_t)0x3040)

#define	CR2_LDMA_MASK ((uint16_t)0x9FFF)

#define	I2SCFGR_CLEAR_MASK ((uint16_t)0xF040)

#define	I2SCFGR_CLEAR_MASK ((uint16_t)0xF040)

#define	PLLCFGR_PPLN_MASK ((uint32_t)0x00007FC0)

#define	PLLCFGR_PPLR_MASK ((uint32_t)0x70000000)

#define	SPI_CR2_FRF ((uint16_t)0x0010)

#define	SPI_SR_TIFRFE ((uint16_t)0x0100)

Functions
void	SPI_CRCLengthConfig (SPI_TypeDef *SPIx, uint16_t SPI_CRCLength)
	Configures the CRC calculation length for the selected SPI. More...

uint16_t	SPI_GetReceptionFIFOStatus (SPI_TypeDef *SPIx)
	Returns the current SPIx Reception FIFO filled level. More...

uint16_t	SPI_GetTransmissionFIFOStatus (SPI_TypeDef *SPIx)
	Returns the current SPIx Transmission FIFO filled level. More...

void	SPI_I2S_ClearITPendingBit (SPI_TypeDef *SPIx, uint8_t SPI_I2S_IT)
	Clears the SPIx CRC Error (CRCERR) interrupt pending bit. More...

uint16_t	SPI_I2S_ReceiveData (SPI_TypeDef *SPIx)
	Returns the most recent received data by the SPIx/I2Sx peripheral. More...

uint16_t	SPI_I2S_ReceiveData16 (SPI_TypeDef *SPIx)
	Returns the most recent received data by the SPIx peripheral. More...

void	SPI_I2S_SendData (SPI_TypeDef *SPIx, uint16_t Data)
	Transmits a Data through the SPIx/I2Sx peripheral. More...

void	SPI_I2S_SendData16 (SPI_TypeDef *SPIx, uint16_t Data)
	Transmits a Data through the SPIx/I2Sx peripheral. More...

void	SPI_LastDMATransferCmd (SPI_TypeDef *SPIx, uint16_t SPI_LastDMATransfer)
	Configures the number of data to transfer type(Even/Odd) for the DMA last transfers and for the selected SPI. More...

void	SPI_NSSPulseModeCmd (SPI_TypeDef *SPIx, FunctionalState NewState)
	Enables or disables the NSS pulse management mode. More...

uint8_t	SPI_ReceiveData8 (SPI_TypeDef *SPIx)
	Returns the most recent received data by the SPIx peripheral. More...

void	SPI_RxFIFOThresholdConfig (SPI_TypeDef *SPIx, uint16_t SPI_RxFIFOThreshold)
	Configures the FIFO reception threshold for the selected SPI. More...

void	SPI_SendData8 (SPI_TypeDef *SPIx, uint8_t Data)
	Transmits a Data through the SPIx peripheral. More...

Detailed Description

SPI driver modules.

Macro Definition Documentation

#define CR1_CLEAR_MASK ((uint16_t)0x3040)

Definition at line 138 of file stm32f30x_spi.c.

#define CR1_CLEAR_MASK ((uint16_t)0x3040)

Definition at line 175 of file stm32f4xx_spi.c.

#define CR2_LDMA_MASK ((uint16_t)0x9FFF)

Definition at line 139 of file stm32f30x_spi.c.

#define I2SCFGR_CLEAR_MASK ((uint16_t)0xF040)

Definition at line 141 of file stm32f30x_spi.c.

#define I2SCFGR_CLEAR_MASK ((uint16_t)0xF040)

Definition at line 176 of file stm32f4xx_spi.c.

#define PLLCFGR_PPLN_MASK ((uint32_t)0x00007FC0)

Definition at line 180 of file stm32f4xx_spi.c.

#define PLLCFGR_PPLR_MASK ((uint32_t)0x70000000)

Definition at line 179 of file stm32f4xx_spi.c.

#define SPI_CR2_FRF ((uint16_t)0x0010)

Definition at line 182 of file stm32f4xx_spi.c.

#define SPI_SR_TIFRFE ((uint16_t)0x0100)

Definition at line 183 of file stm32f4xx_spi.c.

Function Documentation

void SPI_CRCLengthConfig	(	SPI_TypeDef *	SPIx,
		uint16_t	SPI_CRCLength
	)

Configures the CRC calculation length for the selected SPI.

Parameters

SPIx	where x can be 1, 2 or 3 to select the SPI peripheral.
SPI_CRCLength	specifies the SPI CRC calculation length. This parameter can be one of the following values: SPI_CRCLength_8b: Set CRC Calculation to 8 bits SPI_CRCLength_16b: Set CRC Calculation to 16 bits

Return values

None

Definition at line 964 of file stm32f30x_spi.c.

uint16_t SPI_GetReceptionFIFOStatus ( SPI_TypeDef * SPIx )

Returns the current SPIx Reception FIFO filled level.

Parameters

SPIx	where x can be 1, 2 or 3 to select the SPI peripheral.

Return values

The	Reception FIFO filling state. SPI_ReceptionFIFOStatus_Empty: when FIFO is empty SPI_ReceptionFIFOStatus_1QuarterFull: if more than 1 quarter-full. SPI_ReceptionFIFOStatus_HalfFull: if more than 1 half-full. SPI_ReceptionFIFOStatus_Full: when FIFO is full.

Definition at line 1275 of file stm32f30x_spi.c.

uint16_t SPI_GetTransmissionFIFOStatus ( SPI_TypeDef * SPIx )

Returns the current SPIx Transmission FIFO filled level.

Parameters

SPIx	where x can be 1, 2 or 3 to select the SPI peripheral.

Return values

The	Transmission FIFO filling state. SPI_TransmissionFIFOStatus_Empty: when FIFO is empty SPI_TransmissionFIFOStatus_1QuarterFull: if more than 1 quarter-full. SPI_TransmissionFIFOStatus_HalfFull: if more than 1 half-full. SPI_TransmissionFIFOStatus_Full: when FIFO is full.

Definition at line 1260 of file stm32f30x_spi.c.

void SPI_I2S_ClearITPendingBit	(	SPI_TypeDef *	SPIx,
		uint8_t	SPI_I2S_IT
	)

Clears the SPIx CRC Error (CRCERR) interrupt pending bit.

Parameters

SPIx	To select the SPIx/I2Sx peripheral, where x can be: 1, 2, 3, 4, 5 or 6 in SPI mode or 2 or 3 in I2S mode or I2Sxext for I2S full duplex mode.
SPI_I2S_IT	specifies the SPI interrupt pending bit to clear. This function clears only CRCERR interrupt pending bit. SPI_IT_CRCERR: CRC Error interrupt.

Note: OVR (OverRun Error) interrupt pending bit is cleared by software sequence: a read operation to SPI_DR register (SPI_I2S_ReceiveData()) followed by a read operation to SPI_SR register (SPI_I2S_GetITStatus()).; UDR (UnderRun Error) interrupt pending bit is cleared by a read operation to SPI_SR register (SPI_I2S_GetITStatus()).; MODF (Mode Fault) interrupt pending bit is cleared by software sequence: a read/write operation to SPI_SR register (SPI_I2S_GetITStatus()) followed by a write operation to SPI_CR1 register (SPI_Cmd() to enable the SPI).

Return values

None

Parameters

SPIx	where x can be 1, 2 or 3 in SPI mode
SPI_I2S_IT	specifies the SPI interrupt pending bit to clear. This function clears only CRCERR interrupt pending bit.

Note

OVR (OverRun Error) interrupt pending bit is cleared by software sequence: a read operation to SPI_DR register (SPI_I2S_ReceiveData()) followed by a read operation to SPI_SR register (SPI_I2S_GetITStatus()).
UDR (UnderRun Error) interrupt pending bit is cleared by a read operation to SPI_SR register (SPI_I2S_GetITStatus()).
MODF (Mode Fault) interrupt pending bit is cleared by software sequence: a read/write operation to SPI_SR register (SPI_I2S_GetITStatus()) followed by a write operation to SPI_CR1 register (SPI_Cmd() to enable the SPI).

Return values

None

Definition at line 1282 of file stm32f4xx_spi.c.

uint16_t SPI_I2S_ReceiveData ( SPI_TypeDef * SPIx )

Returns the most recent received data by the SPIx/I2Sx peripheral.

Parameters

SPIx	To select the SPIx/I2Sx peripheral, where x can be: 1, 2, 3, 4, 5 or 6 in SPI mode or 2 or 3 in I2S mode or I2Sxext for I2S full duplex mode.

Return values

The	value of the received data.

Parameters

SPIx	where x can be 1, 2 or 3 in SPI mode 2 or 3 in I2S mode

Return values

The	value of the received data.

Definition at line 801 of file stm32f4xx_spi.c.

uint16_t SPI_I2S_ReceiveData16 ( SPI_TypeDef * SPIx )

Returns the most recent received data by the SPIx peripheral.

Parameters

SPIx	To select the SPIx/I2Sx peripheral, where x can be: 1, 2 or 3 in SPI mode or 2 or 3 in I2S mode or I2Sxext for I2S full duplex mode.

Return values

The	value of the received data.

Definition at line 882 of file stm32f30x_spi.c.

void SPI_I2S_SendData	(	SPI_TypeDef *	SPIx,
		uint16_t	Data
	)

Transmits a Data through the SPIx/I2Sx peripheral.

Parameters

SPIx	To select the SPIx/I2Sx peripheral, where x can be: 1, 2, 3, 4, 5 or 6 in SPI mode or 2 or 3 in I2S mode or I2Sxext for I2S full duplex mode.
Data	Data to be transmitted.

Return values

None

Parameters

SPIx	where x can be 1, 2 or 3 in SPI mode 2 or 3 in I2S mode
Data	: Data to be transmitted.

Return values

None

Definition at line 817 of file stm32f4xx_spi.c.

void SPI_I2S_SendData16	(	SPI_TypeDef *	SPIx,
		uint16_t	Data
	)

Transmits a Data through the SPIx/I2Sx peripheral.

Parameters

SPIx	To select the SPIx/I2Sx peripheral, where x can be: 1, 2 or 3 in SPI mode or 2 or 3 in I2S mode or I2Sxext for I2S full duplex mode.
Data	Data to be transmitted.

Return values

None

Definition at line 850 of file stm32f30x_spi.c.

void SPI_LastDMATransferCmd	(	SPI_TypeDef *	SPIx,
		uint16_t	SPI_LastDMATransfer
	)

Configures the number of data to transfer type(Even/Odd) for the DMA last transfers and for the selected SPI.

Note: This function have a meaning only if DMA mode is selected and if the packing mode is used (data length <= 8 and DMA transfer size halfword)

Parameters

SPIx where x can be 1, 2 or 3 to select the SPI peripheral.

SPI_LastDMATransfer

specifies the SPI last DMA transfers state. This parameter can be one of the following values:

SPI_LastDMATransfer_TxEvenRxEven: Number of data for transmission Even and number of data for reception Even.
SPI_LastDMATransfer_TxOddRxEven: Number of data for transmission Odd and number of data for reception Even.
SPI_LastDMATransfer_TxEvenRxOdd: Number of data for transmission Even and number of data for reception Odd.
SPI_LastDMATransfer_TxOddRxOdd: RNumber of data for transmission Odd and number of data for reception Odd.

Return values

None

Definition at line 1125 of file stm32f30x_spi.c.

void SPI_NSSPulseModeCmd	(	SPI_TypeDef *	SPIx,
		FunctionalState	NewState
	)

Enables or disables the NSS pulse management mode.

Note: This function can be called only after the SPI_Init() function has been called.; When TI mode is selected, the control bits NSSP is not taken into consideration and are configured by hardware respectively to the TI mode requirements.

Parameters

SPIx	where x can be 1, 2 or 3 to select the SPI peripheral.
NewState	new state of the NSS pulse management mode. This parameter can be: ENABLE or DISABLE.

Return values

None

Definition at line 781 of file stm32f30x_spi.c.

uint8_t SPI_ReceiveData8 ( SPI_TypeDef * SPIx )

Returns the most recent received data by the SPIx peripheral.

Parameters

SPIx	where x can be 1, 2 or 3 to select the SPI peripheral.

Return values

The	value of the received data.

Definition at line 863 of file stm32f30x_spi.c.

void SPI_RxFIFOThresholdConfig	(	SPI_TypeDef *	SPIx,
		uint16_t	SPI_RxFIFOThreshold
	)

Configures the FIFO reception threshold for the selected SPI.

Parameters

SPIx	where x can be 1, 2 or 3 to select the SPI peripheral.
SPI_RxFIFOThreshold	specifies the FIFO reception threshold. This parameter can be one of the following values: SPI_RxFIFOThreshold_HF: RXNE event is generated if the FIFO level is greater or equal to 1/2. SPI_RxFIFOThreshold_QF: RXNE event is generated if the FIFO level is greater or equal to 1/4.

Return values

None

Definition at line 614 of file stm32f30x_spi.c.

void SPI_SendData8	(	SPI_TypeDef *	SPIx,
		uint8_t	Data
	)

Transmits a Data through the SPIx peripheral.

Parameters

SPIx	where x can be 1, 2 or 3 to select the SPI peripheral.
Data	Data to be transmitted.

Return values

None

Definition at line 830 of file stm32f30x_spi.c.

Modules

Classes

Macros

Functions

Detailed Description

Macro Definition Documentation

Function Documentation