EUSCI_A_SPI_initMasterParam Struct Reference

Used in the EUSCI_A_SPI_initMaster() function as the param parameter. More...

#include <eusci_a_spi.h>

Data Fields
uint8_t	selectClockSource
uint32_t	clockSourceFrequency
	Is the frequency of the selected clock source.
uint32_t	desiredSpiClock
	Is the desired clock rate for SPI communication.
uint16_t	msbFirst
uint16_t	clockPhase
uint16_t	clockPolarity
uint16_t	spiMode

Detailed Description

Used in the EUSCI_A_SPI_initMaster() function as the param parameter.

Field Documentation

uint16_t EUSCI_A_SPI_initMasterParam::clockPhase

Is clock phase select.
Valid values are:

• EUSCI_A_SPI_PHASE_DATA_CHANGED_ONFIRST_CAPTURED_ON_NEXT [Default]
• EUSCI_A_SPI_PHASE_DATA_CAPTURED_ONFIRST_CHANGED_ON_NEXT

Referenced by EUSCI_A_SPI_initMaster().

uint16_t EUSCI_A_SPI_initMasterParam::clockPolarity

Is clock polarity select
Valid values are:

• EUSCI_A_SPI_CLOCKPOLARITY_INACTIVITY_HIGH
• EUSCI_A_SPI_CLOCKPOLARITY_INACTIVITY_LOW [Default]

Referenced by EUSCI_A_SPI_initMaster().

uint16_t EUSCI_A_SPI_initMasterParam::msbFirst

Controls the direction of the receive and transmit shift register.
Valid values are:

• EUSCI_A_SPI_MSB_FIRST
• EUSCI_A_SPI_LSB_FIRST [Default]

Referenced by EUSCI_A_SPI_initMaster().

uint8_t EUSCI_A_SPI_initMasterParam::selectClockSource

Selects Clock source.
Valid values are:

• EUSCI_A_SPI_CLOCKSOURCE_ACLK
• EUSCI_A_SPI_CLOCKSOURCE_SMCLK

Referenced by EUSCI_A_SPI_initMaster().

uint16_t EUSCI_A_SPI_initMasterParam::spiMode

Is SPI mode select
Valid values are:

• EUSCI_A_SPI_3PIN
• EUSCI_A_SPI_4PIN_UCxSTE_ACTIVE_HIGH
• EUSCI_A_SPI_4PIN_UCxSTE_ACTIVE_LOW

Referenced by EUSCI_A_SPI_initMaster().

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The documentation for this struct was generated from the following file:

• eusci_a_spi.h