TMS320F28377D: 调用read api读取flash内存储的数据会出错

ZhenFu Ding

Prodigy 40 points

Part Number: TMS320F28377D

我使用

Fapi_doMarginRead函数读取flash中含有“0”的数据时发现会出现这一个word中出现某个bit被异常置为1的情况

我是使用读取函数读取了100个字放到ram中，和memory browser窗口中监控到的数据做对比

我使用的代码是这样的

但是使用直接取地址的方式，一个字一个字的读取好像就没问题，希望能得到你们的帮助，非常感谢。

我已经上传了cmd文件

1 个月前

0 ZhenFu Ding 1 个月前

Prodigy 40 points

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MEMORY
{
PAGE 0 :  /* Program Memory */
          /* Memory (RAM/FLASH) blocks can be moved to PAGE1 for data allocation */
          /* BEGIN is used for the "boot to Flash" bootloader mode   */
   BEGIN            : origin = 0x080000, length = 0x000002
   RAMM0            : origin = 0x000123, length = 0x0002DD
   RAMD0            : origin = 0x00B000, length = 0x000800
   RAMLS0           : origin = 0x008000, length = 0x002000
  /* RAMLS1             : origin = 0x008800, length = 0x000800*/
  /* RAMLS2             : origin = 0x009000, length = 0x000800 */
  /* RAMLS3             : origin = 0x009800, length = 0x000800 */
   RAMLS4           : origin = 0x00A000, length = 0x001000 
   //RAMLS5      : origin = 0x00A800, length = 0x000800
   RAMGS14          : origin = 0x01A000, length = 0x001000     /* Only Available on F28379D, F28377D, F28375D devices. Remove line on other devices. */
   RAMGS15          : origin = 0x01B000, length = 0x000FF8     /* Only Available on F28379D, F28377D, F28375D devices. Remove line on other devices. */
//   RAMGS15_RSVD     : origin = 0x01BFF8, length = 0x000008    /* Reserve and do not use for code as per the errata advisory "Memory: Prefetching Beyond Valid Memory" */
   RESET            : origin = 0x3FFFC0, length = 0x000002
XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX

MEMORY
{
PAGE 0 :  /* Program Memory */
          /* Memory (RAM/FLASH) blocks can be moved to PAGE1 for data allocation */
          /* BEGIN is used for the "boot to Flash" bootloader mode   */

   BEGIN           	: origin = 0x080000, length = 0x000002
   RAMM0           	: origin = 0x000123, length = 0x0002DD
   RAMD0           	: origin = 0x00B000, length = 0x000800
   RAMLS0          	: origin = 0x008000, length = 0x002000
  /* RAMLS1          	: origin = 0x008800, length = 0x000800*/
  /* RAMLS2      		: origin = 0x009000, length = 0x000800 */
  /* RAMLS3      		: origin = 0x009800, length = 0x000800 */
   RAMLS4      		: origin = 0x00A000, length = 0x001000 
   //RAMLS5      : origin = 0x00A800, length = 0x000800
   RAMGS14          : origin = 0x01A000, length = 0x001000     /* Only Available on F28379D, F28377D, F28375D devices. Remove line on other devices. */
   RAMGS15          : origin = 0x01B000, length = 0x000FF8     /* Only Available on F28379D, F28377D, F28375D devices. Remove line on other devices. */

//   RAMGS15_RSVD     : origin = 0x01BFF8, length = 0x000008    /* Reserve and do not use for code as per the errata advisory "Memory: Prefetching Beyond Valid Memory" */

   RESET           	: origin = 0x3FFFC0, length = 0x000002

   /* Flash sectors */
   FLASHA           : origin = 0x080002, length = 0x003FFE	/* on-chip Flash */
   //FLASHB           : origin = 0x082000, length = 0x002000	/* on-chip Flash */
   FLASHC           : origin = 0x084000, length = 0x002000	/* on-chip Flash */
   FLASHD           : origin = 0x086000, length = 0x002000	/* on-chip Flash */

   APP_BEGIN        : origin = 0x088000, length = 0x000002
   APP_BUFF         : origin = 0x088002, length = 0x000020
   FLASHE           : origin = 0x088022, length = 0x00FFDD	/* on-chip Flash */
   //FLASHF           : origin = 0x090000, length = 0x008000	/* on-chip Flash */
   FLASHG           : origin = 0x098000, length = 0x010000	/* on-chip Flash */
   //FLASHH           : origin = 0x0A0000, length = 0x008000	/* on-chip Flash */
   FLASHI           : origin = 0x0A8000, length = 0x008000	/* on-chip Flash */
   FLASHJ           : origin = 0x0B0000, length = 0x008000	/* on-chip Flash */
   FLASHK           : origin = 0x0B8000, length = 0x002000	/* on-chip Flash */
   FLASHL           : origin = 0x0BA000, length = 0x002000	/* on-chip Flash */
   FLASHM           : origin = 0x0BC000, length = 0x002000	/* on-chip Flash */
   FLASHN           : origin = 0x0BE000, length = 0x001FF0	/* on-chip Flash */

//   FLASHN_RSVD     : origin = 0x0BFFF0, length = 0x000010    /* Reserve and do not use for code as per the errata advisory "Memory: Prefetching Beyond Valid Memory" */

PAGE 1 : /* Data Memory */
         /* Memory (RAM/FLASH) blocks can be moved to PAGE0 for program allocation */

   BOOT_RSVD       : origin = 0x000002, length = 0x000121     /* Part of M0, BOOT rom will use this for stack */
   RAMM1           : origin = 0x000400, length = 0x0003F8     /* on-chip RAM block M1 */
//   RAMM1_RSVD      : origin = 0x0007F8, length = 0x000008     /* Reserve and do not use for code as per the errata advisory "Memory: Prefetching Beyond Valid Memory" */
   RAMD1           : origin = 0x00B800, length = 0x000800

   

   RAMGS0      : origin = 0x00C000, length = 0x001000
   RAMGS1      : origin = 0x00D000, length = 0x001000
   RAMGS2      : origin = 0x00E000, length = 0x001000
   RAMGS3      : origin = 0x00F000, length = 0x001000
   RAMGS4      : origin = 0x010000, length = 0x001000
   RAMGS5      : origin = 0x011000, length = 0x001000
   RAMGS6      : origin = 0x012000, length = 0x004FFD

   BOOT_FLAG   : origin = 0x016FFD, length = 0x000002
   //RAMGS7      : origin = 0x013000, length = 0x003FFD
   
//   RAMGS8      : origin = 0x014000, length = 0x001000
//   RAMGS9      : origin = 0x015000, length = 0x001000
//   RAMGS10     : origin = 0x016000, length = 0x001000

//   RAMGS11     : origin = 0x017000, length = 0x000FF8   /* Uncomment for F28374D, F28376D devices */

//   RAMGS11_RSVD : origin = 0x017FF8, length = 0x000008    /* Reserve and do not use for code as per the errata advisory "Memory: Prefetching Beyond Valid Memory" */

   RAMGS11     : origin = 0x017000, length = 0x001000     /* Only Available on F28379D, F28377D, F28375D devices. Remove line on other devices. */
   RAMGS12     : origin = 0x018000, length = 0x001000     /* Only Available on F28379D, F28377D, F28375D devices. Remove line on other devices. */
   RAMGS13     : origin = 0x019000, length = 0x001000     /* Only Available on F28379D, F28377D, F28375D devices. Remove line on other devices. */

   CPU2TOCPU1RAM   : origin = 0x03F800, length = 0x000400
   CPU1TOCPU2RAM   : origin = 0x03FC00, length = 0x000400

   /* ALA_SRAM   : origin = 0x100000, length =  0x040000 */  /* CS2:2M,外部RAM实际256k*16bit,   实际使用32k */
   /* USER_XRAM : origin = 0x00300000, length =  0x10000 */     /* CS3:512k*16bit,   实际使用仅0x180 */
   
}

SECTIONS
{
   /* Allocate program areas: */
   .cinit              : > FLASHA      PAGE = 0, ALIGN(8)
   .text               : > FLASHA      PAGE = 0, ALIGN(8)
   codestart           : > BEGIN       PAGE = 0, ALIGN(8)
   /* Allocate uninitalized data sections: */
   .stack              : > RAMM1       PAGE = 1
   .switch             : > FLASHA      PAGE = 0, ALIGN(8)
   .reset              : > RESET,      PAGE = 0, TYPE = DSECT /* not used, */

#if defined(__TI_EABI__)
   .init_array         : > FLASHD,       PAGE = 0,       ALIGN(8)
   .bss                : > RAMGS5,       PAGE = 1
   .bss:output         : > RAMGS5,       PAGE = 0
   .bss:cio            : > RAMGS5,       PAGE = 1
   .data               : > RAMGS5,       PAGE = 1
   .sysmem             : > RAMGS5,       PAGE = 1
   /* Initalized sections go in Flash */
   .const              : > FLASHD,       PAGE = 0,       ALIGN(8)
#else
   .pinit              : > FLASHA,       PAGE = 0,       ALIGN(8)
 //  .ebss               : >> RAMLS5 | RAMGS0 | RAMGS1 ,    PAGE = 1
 	.ebss               : > RAMGS6 ,    PAGE = 1
   .esysmem            : > RAMLS4,       PAGE = 0
   .cio                : > RAMLS4,       PAGE = 0
   /* Initalized sections go in Flash */
   .econst             : >> FLASHA      PAGE = 0, ALIGN(8)
#endif

   Filter_RegsFile     : > RAMGS6,	   PAGE = 1

   SHARERAMGS0		: > RAMGS6,		PAGE = 1
   SHARERAMGS1		: > RAMGS6,		PAGE = 1
   SHARERAMGS2		: > RAMGS6,		PAGE = 1
   ramgs0           : > RAMGS6,     PAGE = 1
   ramgs1           : > RAMGS6,     PAGE = 1

#ifdef __TI_COMPILER_VERSION__
    #if __TI_COMPILER_VERSION__ >= 15009000
        #if defined(__TI_EABI__)
            .TI.ramfunc : {} LOAD = FLASHA,
                                 RUN = RAMGS5,
                                 LOAD_START(RamfuncsLoadStart),
                                 LOAD_SIZE(RamfuncsLoadSize),
                                 LOAD_END(RamfuncsLoadEnd),
                                 RUN_START(RamfuncsRunStart),
                                 RUN_SIZE(RamfuncsRunSize),
                                 RUN_END(RamfuncsRunEnd),
                                 PAGE = 0, ALIGN(8)
        #else
/****            .TI.ramfunc : {} LOAD = FLASHA,
                             RUN = RAMLS6,
                             LOAD_START(_RamfuncsLoadStart),
                             LOAD_SIZE(_RamfuncsLoadSize),
                             LOAD_END(_RamfuncsLoadEnd),
                             RUN_START(_RamfuncsRunStart),
                             RUN_SIZE(_RamfuncsRunSize),
                             RUN_END(_RamfuncsRunEnd),
                             PAGE = 0, ALIGN(8)
                             ***/


         GROUP
        {
            .TI.ramfunc
            { -l F021_API_F2837xD_FPU32.lib}

        } LOAD = FLASHA,
          RUN  = RAMLS4,
          LOAD_START(_RamfuncsLoadStart),
          LOAD_SIZE(_RamfuncsLoadSize),
          LOAD_END(_RamfuncsLoadEnd),
          RUN_START(_RamfuncsRunStart),
          RUN_SIZE(_RamfuncsRunSize),
          RUN_END(_RamfuncsRunEnd),
          PAGE = 0, ALIGN(8)

        #endif
    #else
   ramfuncs            : LOAD = FLASHA,
                         RUN = RAMLS0,
                         LOAD_START(_RamfuncsLoadStart),
                         LOAD_SIZE(_RamfuncsLoadSize),
                         LOAD_END(_RamfuncsLoadEnd),
                         RUN_START(_RamfuncsRunStart),
                         RUN_SIZE(_RamfuncsRunSize),
                         RUN_END(_RamfuncsRunEnd),
                         PAGE = 0, ALIGN(8)
    #endif

#endif

   /* The following section definitions are required when using the IPC API Drivers */
    GROUP : > CPU1TOCPU2RAM, PAGE = 1
    {
        PUTBUFFER
        PUTWRITEIDX
        GETREADIDX
    }

    GROUP : > CPU2TOCPU1RAM, PAGE = 1
    {
        GETBUFFER :    TYPE = DSECT
        GETWRITEIDX :  TYPE = DSECT
        PUTREADIDX :   TYPE = DSECT
    }
#if 0
   /* The following section definition are for SDFM examples */
   Filter1_RegsFile : > RAMGS1,	PAGE = 1, fill=0x1111
   Filter2_RegsFile : > RAMGS2,	PAGE = 1, fill=0x2222
   Filter3_RegsFile : > RAMGS3,	PAGE = 1, fill=0x3333
   Filter4_RegsFile : > RAMGS4,	PAGE = 1, fill=0x4444
   Difference_RegsFile : >RAMGS5, 	PAGE = 1, fill=0x3333
#endif
	bootdata 		: > BOOT_FLAG,  PAGE = 1
	app_buff	      : > APP_BUFF,	PAGE = 0

   /* AlaDataRegsFile : > ALA_SRAM , PAGE = 1 */
   /* UserRamRegsFile : > USER_XRAM , PAGE = 1 */
}

/*
//===========================================================================
// End of file.
//===========================================================================
*/