SPIDriver Struct Reference [SPI Low Level Driver, LPC214x SPI Support, STM32 SPI Support]

Structure representing a SPI driver. More...

#include <spi_lld.h>

Collaboration diagram for SPIDriver:

Data Fields
spistate_t	spd_state
	Driver state.
Mutex	spd_mutex
	Mutex protecting the bus.
const SPIConfig *	spd_config
	Current configuration data.
Thread *	spd_thread
	Thread waiting for I/O completion.
SPI_TypeDef *	spd_spi
	Pointer to the SPIx registers block.
DMA_Channel_TypeDef *	spd_dmarx
	Pointer to the receive DMA channel registers block.
DMA_Channel_TypeDef *	spd_dmatx
	Pointer to the transmit DMA channel registers block.
uint32_t	spd_dmaprio
	DMA priority bit mask.

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Detailed Description

Structure representing a SPI driver.

Definition at line 66 of file templates/spi_lld.h.

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Field Documentation

spistate_t SPIDriver::spd_state

Driver state.

Definition at line 70 of file templates/spi_lld.h.

Referenced by spiExchange(), spiIgnore(), spiObjectInit(), spiReceive(), spiSelect(), spiSend(), spiStart(), spiStop(), and spiUnselect().

Mutex SPIDriver::spd_mutex

Mutex protecting the bus.

Definition at line 76 of file templates/spi_lld.h.

Referenced by spiAcquireBus(), and spiObjectInit().

const SPIConfig * SPIDriver::spd_config

Current configuration data.

Definition at line 84 of file templates/spi_lld.h.

Referenced by spiObjectInit(), and spiStart().

Thread* SPIDriver::spd_thread

Thread waiting for I/O completion.

Definition at line 170 of file platforms/STM32/spi_lld.h.

SPI_TypeDef* SPIDriver::spd_spi

Pointer to the SPIx registers block.

Definition at line 174 of file platforms/STM32/spi_lld.h.

DMA_Channel_TypeDef* SPIDriver::spd_dmarx

Pointer to the receive DMA channel registers block.

Definition at line 178 of file platforms/STM32/spi_lld.h.

DMA_Channel_TypeDef* SPIDriver::spd_dmatx

Pointer to the transmit DMA channel registers block.

Definition at line 182 of file platforms/STM32/spi_lld.h.

uint32_t SPIDriver::spd_dmaprio

DMA priority bit mask.

Definition at line 186 of file platforms/STM32/spi_lld.h.