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CC2642R: CC2642R使用外部存储W25Q16JVSSIQ, 未写成功,求帮看看是什么问题

Part Number: CC2642R


SDK: 

simplelink_cc13xx_cc26xx_sdk_8_30_01_01

配置:

 

现象:

1、 在project_zero工程中, NVS_write卡死

2、在nfsexternal工程中, NVS_write返回NVS_STATUS_INV_WRITE(-7)

#include <string.h>
#include <stdlib.h>
#include <stdint.h>

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

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

#define FOOTER "=================================================="

/* Buffer placed in RAM to hold bytes read from non-volatile storage. */
static char buffer[64];
static const char signature[] = {"SimpleLink SDK Non-Volatile Storage (NVS) SPI Example."};

/*
 *  ======== mainThread ========
 */
void *mainThread(void *arg0)
{
    NVS_Handle nvsHandle;
    NVS_Attrs regionAttrs;
    NVS_Params nvsParams;

    Display_Handle displayHandle;

    Display_init();
    NVS_init();

    displayHandle = Display_open(Display_Type_UART, NULL);
    if (displayHandle == NULL)
    {
        /* Display_open() failed */
        while (1) {}
    }

    NVS_Params_init(&nvsParams);
    nvsHandle = NVS_open(CONFIG_NVSEXTERNAL, &nvsParams);

    if (nvsHandle == NULL)
    {
        Display_printf(displayHandle, 0, 0, "NVS_open() failed.");

        return (NULL);
    }

    Display_printf(displayHandle, 0, 0, "\n");

    /*
     * This will populate a NVS_Attrs structure with properties specific
     * to a NVS_Handle such as region base address, region size,
     * and sector size.
     */
    NVS_getAttrs(nvsHandle, &regionAttrs);

    /* Display the NVS region attributes. */
    Display_printf(displayHandle, 0, 0, "Sector Size: 0x%x", regionAttrs.sectorSize);
    Display_printf(displayHandle, 0, 0, "Region Size: 0x%x\n", regionAttrs.regionSize);

    /*
     * Copy "sizeof(signature)" bytes from the NVS region base address into
     * buffer.
     */
    NVS_read(nvsHandle, 0, (void *)buffer, sizeof(signature));

    /*
     * Determine if the NVS region contains the signature string.
     * Compare the string with the contents copied into buffer.
     */
    if (strcmp((char *)buffer, (char *)signature) == 0)
    {

        /* Write buffer copied from flash to the console. */
        Display_printf(displayHandle, 0, 0, "%s", buffer);
        Display_printf(displayHandle, 0, 0, "Erasing SPI flash sector...");

        /* Erase the entire flash sector. */
        NVS_erase(nvsHandle, 0, regionAttrs.sectorSize);
    }
    else
    {


        int_fast16_t rc  = NVS_erase(nvsHandle, 0, regionAttrs.sectorSize);
         Display_printf(displayHandle, 0, 0, "NVS_erase, rc = %d", rc);

        /* The signature was not found in the NVS region. */
        Display_printf(displayHandle, 0, 0, "Writing signature to SPI flash...");

        /*
         * Write signature to memory. The flash sector is erased prior
         * to performing the write operation. This is specified by
         * NVS_WRITE_ERASE.
         */
        rc = NVS_write(nvsHandle, 0, (void *)signature, sizeof(signature), NVS_WRITE_PRE_VERIFY | NVS_WRITE_POST_VERIFY);
        Display_printf(displayHandle, 0, 0, "Write, rc = %d", rc);
        memset(buffer, 0, sizeof(buffer));
        rc = NVS_read(nvsHandle, 0, (void *)buffer, sizeof(signature));
        Display_printf(displayHandle, 0, 0, "read %d: %s", rc, buffer);

    }

    NVS_close(nvsHandle);

    Display_printf(displayHandle, 0, 0, "Reset the device.");
    Display_printf(displayHandle, 0, 0, FOOTER);

    return (NULL);
}

输出

Sector Size: 0x1000
Region Size: 0x1000

NVS_erase, rc = 0
Writing signature to SPI flash...
Write, rc = -7
read 0: 
Reset the device.
==================================================