[参考译文] CC2745R10-Q1：CC2745R10-Q1：将 SPI 通信方法从轮询更改为 DMA 时、将无法发送数据。

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我   在 LP-EM-CC2745R10-Q1 上将 SimpleLink F3 SDK v9.11.00.18 与 spiconcontroller 示例与 IAR ARM v9.60.3 一起使用、因此没有发现您要报告的问题。  请注意、根据 SDK 版本说明、直到 v8.40、SimpleLink F3 SDK 才完全支持 CC2745R10-Q1。  我将提供 spiconController.c 和 spiconController.syscfg 供您参考。  如果我的示例未充分配置来演示该问题、请考虑升级您的 SimpleLink F3 SDK、并提供额外注释

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/*
 *  ======== spicontroller.c ========
 */
#include <stddef.h>
#include <stdint.h>
#include <string.h>

/* POSIX Header files */
#include <pthread.h>
#include <semaphore.h>
#include <unistd.h>

/* Driver Header files */
#include <ti/drivers/GPIO.h>
#include <ti/drivers/SPI.h>
#include <ti/display/Display.h>

/* Driver configuration */
#include "ti_drivers_config.h"

#define THREADSTACKSIZE (1024)

#define SPI_MSG_LENGTH (32)
#define CONTROLLER_MSG ("Hello from controller, msg#: ")

#define MAX_LOOP (10)

#ifdef DeviceFamily_CC35XX
    #define CONFIG_GPIO_LED_0 GPIO_INVALID_INDEX
    #define CONFIG_GPIO_LED_1 GPIO_INVALID_INDEX
#endif

static Display_Handle display;

unsigned char controllerRxBuffer[SPI_MSG_LENGTH];
unsigned char controllerTxBuffer[SPI_MSG_LENGTH];

/* Semaphore to block controller until peripheral is ready for transfer */
sem_t controllerSem;

/*
 *  ======== controllerThread ========
 *  Controller SPI sends a message to peripheral while simultaneously receiving a
 *  message from the peripheral.
 */
void *controllerThread(void *arg0)
{
    SPI_Handle controllerSpi;
    SPI_Params spiParams;
    SPI_Transaction transaction;
    uint32_t i;
    bool transferOK;
    int32_t status;

    /*
     * Create synchronization semaphore; the controller will wait on this semaphore
     * until the peripheral is ready.
     */
    status = sem_init(&controllerSem, 0, 0);
    if (status != 0)
    {
        Display_printf(display, 0, 0, "Error creating controllerSem\n");

        while (1) {}
    }

    /* Open SPI as controller (default) */
    SPI_Params_init(&spiParams);
    spiParams.frameFormat = SPI_POL0_PHA1;
    /* See device-specific technical reference manual for supported speeds */
    spiParams.bitRate     = 1000000;
    controllerSpi         = SPI_open(CONFIG_SPI_CONTROLLER, &spiParams);
    if (controllerSpi == NULL)
    {
        Display_printf(display, 0, 0, "Error initializing controller SPI\n");
        while (1) {}
    }
    else
    {
        Display_printf(display, 0, 0, "Controller SPI initialized\n");
    }

    /* Copy message to transmit buffer */
    strncpy((char *)controllerTxBuffer, CONTROLLER_MSG, SPI_MSG_LENGTH);

    for (i = 0; i < MAX_LOOP; i++)
    {

        /* Initialize controller SPI transaction structure */
        controllerTxBuffer[sizeof(CONTROLLER_MSG) - 1] = (i % 10) + '0';
        memset((void *)controllerRxBuffer, 0, SPI_MSG_LENGTH);
        transaction.count = SPI_MSG_LENGTH;
        transaction.txBuf = (void *)controllerTxBuffer;
        transaction.rxBuf = (void *)controllerRxBuffer;

        /* Toggle user LED, indicating a SPI transfer is in progress */
        GPIO_toggle(CONFIG_GPIO_LED_1);

        /* Perform SPI transfer */
        transferOK = SPI_transfer(controllerSpi, &transaction);
        if (transferOK)
        {
            Display_printf(display, 0, 0, "Controller received: %s", controllerRxBuffer);
        }
        else
        {
            Display_printf(display, 0, 0, "Unsuccessful controller SPI transfer");
        }

        /* Sleep for a bit before starting the next SPI transfer  */
        sleep(3);
    }

    SPI_close(controllerSpi);

    Display_printf(display, 0, 0, "\nDone");

    return (NULL);
}

/*
 *  ======== mainThread ========
 */
void *mainThread(void *arg0)
{
    pthread_t thread0;
    pthread_attr_t attrs;
    struct sched_param priParam;
    int retc;
    int detachState;

    /* Call driver init functions. */
    Display_init();
    GPIO_init();
    SPI_init();

    /* Configure the LED pins */
    GPIO_setConfig(CONFIG_GPIO_LED_0, GPIO_CFG_OUT_STD | GPIO_CFG_OUT_LOW);
    GPIO_setConfig(CONFIG_GPIO_LED_1, GPIO_CFG_OUT_STD | GPIO_CFG_OUT_LOW);

    /* Open the display for output */
    display = Display_open(Display_Type_UART, NULL);
    if (display == NULL)
    {
        /* Failed to open display driver */
        while (1) {}
    }

    /* Turn on user LED */
    GPIO_write(CONFIG_GPIO_LED_0, CONFIG_GPIO_LED_ON);

    Display_printf(display, 0, 0, "Starting the SPI controller example");
    Display_printf(display,
                   0,
                   0,
                   "This example requires external wires to be "
                   "connected to the header pins. Please see the Readme.html and Board.html for details.\n");

    /* Create application threads */
    pthread_attr_init(&attrs);

    detachState = PTHREAD_CREATE_DETACHED;
    /* Set priority and stack size attributes */
    retc        = pthread_attr_setdetachstate(&attrs, detachState);
    if (retc != 0)
    {
        /* pthread_attr_setdetachstate() failed */
        while (1) {}
    }

    retc |= pthread_attr_setstacksize(&attrs, THREADSTACKSIZE);
    if (retc != 0)
    {
        /* pthread_attr_setstacksize() failed */
        while (1) {}
    }

    /* Create controller thread */
    priParam.sched_priority = 1;
    pthread_attr_setschedparam(&attrs, &priParam);

    retc = pthread_create(&thread0, &attrs, controllerThread, NULL);
    if (retc != 0)
    {
        /* pthread_create() failed */
        while (1) {}
    }

    return (NULL);
}

e2e.ti.com/.../spicontroller.syscfg

此致、
Ryan