[技术问答] 两个spi冲突

int ddi_spi_Init(void){

        /* Select HCLK as the clock source of SPI0 */

        CLK_SetModuleClock(SPI2_MODULE, CLK_CLKSEL1_SPI2_S_HCLK, MODULE_NoMsk);

        CLK_SetModuleClock(SPI0_MODULE, CLK_CLKSEL1_SPI0_S_PLL, MODULE_NoMsk);

        

        /* Enable SPI0 peripheral clock */

        CLK_EnableModuleClock(SPI2_MODULE);

        CLK_EnableModuleClock(SPI0_MODULE);

        

        

        /* Configure SPI0 as a slave, clock idle low, 32-bit transaction, drive output on falling clock edge and latch input on rising edge. */

    /* Configure SPI0 as a low level active device. SPI peripheral clock rate is equal to system clock rate. */

    SPI_Open(SPI2, SPI_SLAVE,  SPI_MODE_3, 32, NULL);

        SPI_Open(SPI0, SPI_MASTER, SPI_MODE_3, 8, NULL);

        

        //SPI2->SSR = 0;        

        /* Enable the automatic hardware slave select function. Select the SPI0_SS0 pin and configure as low-active. */

        SPI_EnableAutoSS(SPI2, SPI_SS0, SPI_SS_ACTIVE_LOW);

        

        //SPI2->CNTRL2 |= SPI_CNTRL2_SS_INT_OPT_Msk;

        //SPI2->CNTRL |= SPI_CNTRL_IE_Msk;

        SPI_EnableInt(SPI2, SPI_FIFO_RXOV_INT_MASK|SPI_FIFO_RX_INT_MASK);

        

        /* Enable FIFO mode, set TX FIFO threshold, enable TX FIFO threshold interrupt and RX FIFO time-out interrupt */

        SPI_EnableFIFO(SPI2, 0, 7);

        /*disableAutoss,SSO active low*/

        SPI0->SSR &= ~1<<3;

        SPI0->SSR &= ~1<<2;

        SPI0->SSR |=  1<<4;

        

        SPI_SET_MSB_FIRST(SPI0);

        

        PF3=1;

        SYS->GPF_MFP = ~(SYS_GPF_MFP_PF3_Msk);

        GPIO_SetMode(PF, BIT3, GPIO_PMD_OUTPUT);

        PC4 = 1;

        PC5 = 0;

        SYS->GPC_MFP &= ~(SYS_GPC_MFP_PC4_Msk| SYS_GPC_MFP_PC5_Msk);

        SYS->GPC_MFP |= (SYS_GPC_MFP_PC4_GPIO| SYS_GPC_MFP_PC5_GPIO);

        GPIO_SetMode(PC, BIT4|BIT5, GPIO_PMD_QUASI);

        

        /* Setup SPI0 multi-function pins */

        SYS->GPD_MFP = SYS_GPD_MFP_PD0_SPI2_SS0 | SYS_GPD_MFP_PD1_SPI2_CLK | SYS_GPD_MFP_PD2_SPI2_MISO0 | SYS_GPD_MFP_PD3_SPI2_MOSI0;

        SYS->ALT_MFP1 = SYS_ALT_MFP1_PD0_SPI2_SS0 | SYS_ALT_MFP1_PD1_SPI2_CLK | SYS_ALT_MFP1_PD2_SPI2_MISO0 | SYS_ALT_MFP1_PD3_SPI2_MOSI0;



        SYS->GPC_MFP = SYS_GPC_MFP_PC0_SPI0_SS0 | SYS_GPC_MFP_PC1_SPI0_CLK | SYS_GPC_MFP_PC2_SPI0_MISO0 | SYS_GPC_MFP_PC3_SPI0_MOSI0;

    SYS->ALT_MFP = SYS_ALT_MFP_PC0_SPI0_SS0 | SYS_ALT_MFP_PC1_SPI0_CLK | SYS_ALT_MFP_PC2_SPI0_MISO0 | SYS_ALT_MFP_PC3_SPI0_MOSI0;



        g_spiInBuf.fi = 0;

        g_spiInBuf.fo = 0;



        g_spiOutBuf.fi = 0;

        g_spiOutBuf.fo = 0;        

        spiMasterAcked = 1;

        spiRunning = 0;

        SPI_Close(SPI2);

        

        

        return 0;

}