cc1310如何把一个字节数据写入指定的flash地址中

Mings Liu

Other Parts Discussed in Thread: CC1310

大家好，

请问在CC1310中如何实现把一个字节数据写入到指定的flash地址中呢？

类似msp430功能实现：

    unsigned long * Flash_ptrC;               // Initialize Flash pointer Seg D
    unsigned long tmp;  
    tmp = value; 
    Flash_ptrC = (unsigned long *) 0x1880;    // Initialize Flash pointer
    FCTL3 = FWKEY;                            // Clear Lock bit
    FCTL1 = FWKEY+ERASE;                      // Set Erase bit
    *Flash_ptrC = 0;                          // Dummy write to erase Flash seg
    while(FCTL3&BUSY);
    FCTL1 = FWKEY+BLKWRT;                     // Enable long-word write
    *Flash_ptrC = tmp;                     	  // Write to Flash
    while(FCTL3&BUSY);
    FCTL1 = FWKEY;                            // Clear WRT bit
    FCTL3 = FWKEY+LOCK;

希望能尽快得到帮助！

谢谢！

5 年多前

0 Viki Shi 5 年多前

TI__Guru**** 188340 points

可以通过NVS driver，推荐个例程： dev.ti.com/.../

0 Mings Liu 5 年多前回复 Viki Shi

Intellectual 830 points

谢谢Viki Shi，

我是应用IAR7.80进行搭建的环境，TI协议为tirtos_cc13xx_cc26xx_2_20_01_08，配置NVS MAPPING

/*!

*  @def    CC1310_LAUNCHXL_NVSName

*  @brief  Enum of NVS names

*/

typedef enum CC1310_LAUNCHXL_NVSName {

   CC1310_LAUNCHXL_NVSCC26XX0 = 0,

   CC1310_LAUNCHXL_NVSSPI25X0,

   CC1310_LAUNCHXL_NVSCOUNT

} CC1310_LAUNCHXL_NVSName;

/*

*  =============================== NVS ===============================

*/

#include <ti/drivers/NVS.h>

#include <ti/drivers/nvs/NVSCC26XX.h>

#define NVS_REGIONS_BASE 0x1A000

#define SECTORSIZE       0x1000

#define REGIONSIZE       (SECTORSIZE * 4)

#define SPIREGIONSIZE    (SECTORSIZE * 32)

#define VERIFYBUFSIZE    64

static uint8_t verifyBuf[VERIFYBUFSIZE];

/*

* Reserve flash sectors for NVS driver use by placing an uninitialized byte

* array at the desired flash address.

*/

#if defined(__TI_COMPILER_VERSION__)

/*

* Place uninitialized array at NVS_REGIONS_BASE

*/

#pragma LOCATION(flashBuf, NVS_REGIONS_BASE);

#pragma NOINIT(flashBuf);

static char flashBuf[REGIONSIZE];

#elif defined(__IAR_SYSTEMS_ICC__)

/*

* Place uninitialized array at NVS_REGIONS_BASE

*/

static __no_init char flashBuf[REGIONSIZE] @ NVS_REGIONS_BASE;

#elif defined(__GNUC__)

__attribute__ ((section (".nvs")))

static char flashBuf[REGIONSIZE];

#endif

/* Allocate objects for NVS and NVS SPI */

NVSCC26XX_Object nvsCC26xxObjects[1];

/* Hardware attributes for NVS */

const NVSCC26XX_HWAttrs nvsCC26xxHWAttrs[1] = {

   {

       .regionBase = (void *)flashBuf,

       .regionSize = REGIONSIZE,

   },

};

/* NVS Region index 0 and 1 refer to NVS and NVS SPI respectively */

const NVS_Config NVS_config[CC1310_LAUNCHXL_NVSCOUNT] = {

   {

       .fxnTablePtr = &NVSCC26XX_fxnTable,

       .object = &nvsCC26xxObjects[0],

       .hwAttrs = &nvsCC26xxHWAttrs[0],

   },

   {NULL, NULL, NULL},

};

NVS程序

  NVS_Handle rHandle;

   NVS_Attrs regionAttrs;

   NVS_Params nvsParams;

   uint_fast16_t status;

   char buf[32];

   // Initialize the NVS driver

   NVS_init();

   NVS_Params_init(&nvsParams);

   rHandle = NVS_open(CC1310_LAUNCHXL_NVSCC26XX0, &nvsParams);

   // confirm that the NVS region opened properly

   if (rHandle == NULL) {

       // Error opening NVS driver

       while (1);

   }

   // fetch the generic NVS region attributes

   NVS_getAttrs(rHandle, &regionAttrs);

在运行到NVS_OPEN();后返回NULL，这个是什么问题。

通过CCS编译正常。

谢谢！

0 Viki Shi 5 年多前回复 Mings Liu

TI__Guru**** 188340 points

CCS正常，IAR出错，按描述应该是编译环境问题，IAR版本是否符合release note的要求？

0 Mings Liu 5 年多前回复 Viki Shi

Intellectual 830 points

tirtos_cc13xx_cc26xx_2_20_01_08的release note是支持IAR7.80的，但是建立工程后的CC1310_LAUNCHXL.c中没有NVS配置信息，我是从simplelink_cc13x0_sdk_2_10_00_36中借鉴过来的，simplelink是需要IAR: 8.20.2.58 。如果真是版本问题就麻烦了，我之前的工程都是在IAR7.80上建立的。如果我还是用IAR7.80，NVS配置上需要怎么修改呢？
谢谢！

0 Viki Shi 5 年多前回复 Mings Liu

TI__Guru**** 188340 points

建议换到新版本，然后根据SDK中的migration guide来移植

低于 1GHz

低于 1GHz 论坛

cc1310如何把一个字节数据写入指定的flash地址中