wifiiot_spi.h

WifiIotSpiCfgBasicInfo

Defines data communication parameters.

WifiIotSpiCfgInitParam

Specifies whether a device is a master or slave device.

SpiIsrFunc) (void)

typedef void(* 

Indicates the SPI callback, which is used in SpiRegisterUsrFunc.

WifiIotSpiIdx { WIFI_IOT_SPI_ID_0 = 0, WIFI_IOT_SPI_ID_1 }

Enumerates SPI channel IDs.

WifiIotSpiCfgClockCpol { WIFI_IOT_SPI_CFG_CLOCK_CPOL_0, WIFI_IOT_SPI_CFG_CLOCK_CPOL_1 }

Enumerates communication polarities.

WifiIotSpiCfgClockCpha { WIFI_IOT_SPI_CFG_CLOCK_CPHA_0, WIFI_IOT_SPI_CFG_CLOCK_CPHA_1 }

Enumerates communication phases.

WifiIotSpiCfgFramMode { WIFI_IOT_SPI_CFG_FRAM_MODE_MOTOROLA, WIFI_IOT_SPI_CFG_FRAM_MODE_TI, WIFI_IOT_SPI_CFG_FRAM_MODE_MICROWIRE }

Enumerates communication protocols.

WifiIotSpiCfgDataWidth {   WIFI_IOT_SPI_CFG_DATA_WIDTH_E_4BIT = 0x3, WIFI_IOT_SPI_CFG_DATA_WIDTH_E_5BIT, WIFI_IOT_SPI_CFG_DATA_WIDTH_E_6BIT, WIFI_IOT_SPI_CFG_DATA_WIDTH_E_7BIT,   WIFI_IOT_SPI_CFG_DATA_WIDTH_E_8BIT, WIFI_IOT_SPI_CFG_DATA_WIDTH_E_9BIT, WIFI_IOT_SPI_CFG_DATA_WIDTH_E_10BIT, WIFI_IOT_SPI_CFG_DATA_WIDTH_E_11BIT,   WIFI_IOT_SPI_CFG_DATA_WIDTH_E_12BIT, WIFI_IOT_SPI_CFG_DATA_WIDTH_E_13BIT, WIFI_IOT_SPI_CFG_DATA_WIDTH_E_14BIT, WIFI_IOT_SPI_CFG_DATA_WIDTH_E_15BIT,   WIFI_IOT_SPI_CFG_DATA_WIDTH_E_16BIT }

Enumerates the communication data width, that is, the number of valid bits in each frame.

WifiIotSpiCfgEndian { WIFI_IOT_SPI_CFG_ENDIAN_LITTLE, WIFI_IOT_SPI_CFG_ENDIAN_BIG }

Enumerates the endian mode of each frame.

SpiSlaveWrite (WifiIotSpiIdx spiId, char *writeData, unsigned int byteLen, unsigned int timeOutMs)

unsigned int 

Sends data in SPI slave mode.

SpiSlaveRead (WifiIotSpiIdx spiId, char *readData, unsigned int byteLen, unsigned int timeOutMs)

unsigned int 

Reads data in SPI slave mode.

SpiHostWrite (WifiIotSpiIdx spiId, char *writeData, unsigned int byteLen)

unsigned int 

Sends data in half-duplex SPI master mode.

SpiHostRead (WifiIotSpiIdx spiId, char *readData, unsigned int byteLen)

unsigned int 

Reads data in half-duplex SPI master mode.

SpiHostWriteread (WifiIotSpiIdx spiId, char *writeData, char *readData, unsigned int byteLen)

unsigned int 

Sends and reads data in full-duplex SPI master mode.

SpiSetBasicInfo (WifiIotSpiIdx spiId, const WifiIotSpiCfgBasicInfo *param)

unsigned int 

Sets the SPI channel parameter.

SpiInit (WifiIotSpiIdx spiId, WifiIotSpiCfgInitParam initParam, const WifiIotSpiCfgBasicInfo *param)

unsigned int 

Initializes an SPI device.

SpiDeinit (WifiIotSpiIdx spiId)

unsigned int 

Deinitializes an SPI device.

SpiSetIrqMode (WifiIotSpiIdx spiId, unsigned char irqEn)

unsigned int 

Sets whether to enable the interrupt request (IRQ) mode for an SPI device.

SpiSetDmaMode (WifiIotSpiIdx spiId, unsigned char dmaEn)

unsigned int 

Sets whether to enable DMA to transfer data for an SPI device in slave mode.

SpiRegisterUsrFunc (WifiIotSpiIdx spiId, SpiIsrFunc prepareF, SpiIsrFunc restoreF)

unsigned int 

Registers the data TX preparation/recovery function.

SpiSetLoopBackMode (WifiIotSpiIdx spiId, unsigned char lbEn)

unsigned int 

Sets whether to enable loopback test for an SPI device.