spi_priv.h File Reference

Internal G4 SPI helpers and DMA configuration macros. More...

#include "common/phal_G4/dma/dma.h"
#include "common/phal_G4/spi/spi.h"
#include "common/phal_G4/gpio/gpio.h"

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Functions
void	PHAL_SPI_priv_enableClock (const SPI_TypeDef *periph)
	Enable the peripheral clock for an SPI instance.
void	PHAL_SPI_priv_configCR1 (SPI_InitConfig_t *cfg, uint32_t f_div)
	Configure the SPI CR1 register.
uint32_t	PHAL_SPI_priv_calcBaudRatePrescaler (uint32_t data_rate, const SPI_TypeDef *periph)
	Calculate the SPI baud-rate prescaler.
void	PHAL_SPI_priv_configCR2 (SPI_InitConfig_t *cfg)
	Configure the SPI CR2 register.
void	PHAL_SPI_priv_enableDMA_TX (SPI_InitConfig_t *cfg)
	Enable SPI transmit DMA requests.
void	PHAL_SPI_priv_enableDMA_RX (SPI_InitConfig_t *cfg)
	Enable SPI receive DMA requests.
void	PHAL_SPI_priv_handleTxComplete (SPI_InitConfig_t *transfer)
	Handle DMA transmit-complete interrupts.
void	PHAL_SPI_priv_resetTransferState (SPI_InitConfig_t *cfg)
	Reset the internal SPI transfer state.
void	PHAL_SPI_priv_Enable (SPI_InitConfig_t *spi)
	Enable the SPI peripheral.
void	PHAL_SPI_priv_Disable (SPI_InitConfig_t *spi)
	Disable the SPI peripheral.

Detailed Description

Internal G4 SPI helpers and DMA configuration macros.

Author

Shriya Balu (balu@.nosp@m.purd.nosp@m.ue.ed.nosp@m.u)

Ronak Jain (jain7.nosp@m.17@p.nosp@m.urdue.nosp@m..edu)

Function Documentation

PHAL_SPI_priv_calcBaudRatePrescaler()

uint32_t PHAL_SPI_priv_calcBaudRatePrescaler	(	uint32_t	data_rate,
		const SPI_TypeDef *	periph )

Calculate the SPI baud-rate prescaler.

See RM0440 42.9.1 SPI control register 1 (SPIx_CR1)

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PHAL_SPI_priv_configCR1()

void PHAL_SPI_priv_configCR1	(	SPI_InitConfig_t *	cfg,
		uint32_t	f_div )

Configure the SPI CR1 register.

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PHAL_SPI_priv_configCR2()

void PHAL_SPI_priv_configCR2

(

SPI_InitConfig_t *

cfg

)

Configure the SPI CR2 register.

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PHAL_SPI_priv_Disable()

void PHAL_SPI_priv_Disable

(

SPI_InitConfig_t *

spi

)

Disable the SPI peripheral.

PHAL_SPI_priv_Enable()

void PHAL_SPI_priv_Enable

(

SPI_InitConfig_t *

spi

)

Enable the SPI peripheral.

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PHAL_SPI_priv_enableClock()

void PHAL_SPI_priv_enableClock

(

const SPI_TypeDef *

periph

)

Enable the peripheral clock for an SPI instance.

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PHAL_SPI_priv_enableDMA_RX()

void PHAL_SPI_priv_enableDMA_RX

(

SPI_InitConfig_t *

cfg

)

Enable SPI receive DMA requests.

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PHAL_SPI_priv_enableDMA_TX()

void PHAL_SPI_priv_enableDMA_TX

(

SPI_InitConfig_t *

cfg

)

Enable SPI transmit DMA requests.

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PHAL_SPI_priv_handleTxComplete()

void PHAL_SPI_priv_handleTxComplete

(

SPI_InitConfig_t *

transfer

)

Handle DMA transmit-complete interrupts.

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PHAL_SPI_priv_resetTransferState()

void PHAL_SPI_priv_resetTransferState

(

SPI_InitConfig_t *

cfg

)

Reset the internal SPI transfer state.

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