C++ (Cpp) USCI_B_SPI_initMaster 예제들

예제 #1

파일: usci_b_spi.c 프로젝트: f4exb/tnc1101

bool USCI_B_SPI_masterInit(uint16_t baseAddress,
                           uint8_t selectClockSource,
                           uint32_t clockSourceFrequency,
                           uint32_t desiredSpiClock,
                           uint8_t msbFirst,
                           uint8_t clockPhase,
                           uint8_t clockPolarity)
{
    USCI_B_SPI_initMasterParam param = {0};
    param.selectClockSource = selectClockSource;
    param.clockSourceFrequency = clockSourceFrequency;
    param.desiredSpiClock = desiredSpiClock;
    param.msbFirst = msbFirst;
    param.clockPhase = clockPhase;
    param.clockPolarity = clockPolarity;

    return(USCI_B_SPI_initMaster(baseAddress, &param));
}

예제 #2

파일: msp430_spi_b1.c 프로젝트: happyGilbert/ArrowNO.1

//*****************************************************************************
//
//! \brief Initializes USCI_B1 with SPI mode.
//!
//! CLK: 1MHZ.
//! ClockPhase: USCI_B_SPI_PHASE_DATA_CAPTURED_ONFIRST_CHANGED_ON_NEXT.
//! ClockPolarity: USCI_B_SPI_CLOCKPOLARITY_INACTIVITY_LOW
//! MSB_first
//!
//! The Seeting is specified to Sharp96 communication.
//
//*****************************************************************************
void msp430_spi_b1_init() {
    // Configure SPI PORT
    GPIO_setAsPeripheralModuleFunctionOutputPin(LCD_SPI_PORT,
            LCD_SPI_SI_PIN + LCD_SPI_SO_PIN + LCD_SPI_CLK_PIN);
    // Configure LCD_SPI_CS_PIN as output pin
    GPIO_setAsOutputPin(LCD_SPI_CS_PORT,
                        LCD_SPI_CS_PIN);
    msp430_spi_b1_clearCS();
    USCI_B_SPI_initMasterParam spiMasterParams=
    {
        USCI_B_SPI_CLOCKSOURCE_SMCLK,
        UCS_getSMCLK(),
        8000000,
        USCI_B_SPI_MSB_FIRST,
        USCI_B_SPI_PHASE_DATA_CAPTURED_ONFIRST_CHANGED_ON_NEXT,
        USCI_B_SPI_CLOCKPOLARITY_INACTIVITY_LOW
    };

    USCI_B_SPI_initMaster(LCD_USCI_BASE,
                          &spiMasterParams);

    USCI_B_SPI_enable(LCD_USCI_BASE);
}