This thread has been locked.

If you have a related question, please click the "Ask a related question" button in the top right corner. The newly created question will be automatically linked to this question.

How to use API Function(write/read flash) in Motorware proj_lab03?

Other Parts Discussed in Thread: C2000WARE

Hi every one 

Good day!

I have been working to solve my issue for more than 2 weeks,Please Help me!

I am using HVKit (F28027) Motorware->proj_lab03   I attached all API File and header file from  C:\ti\C2000Ware_1_00_02_00\libraries\flash_api\f2802x\example_ccsv5\Example_Flash2802x_API.c

But sadly the compiler could not find Flash2802x_Program(a,b,c,d),Flash2802x_Erase(a,b,c,d),etc.. 

I think I should add some code to 28027F.cmd it that right?

sort of like this

However I could not understand those codes,since they are not a C code!   

API load/run symbols:
These symbols are defined by the linker during the link. Refer to the
Flash28_API section in the example .cmd file:

Flash28_API:
{
Flash28027_API_Library.lib(.econst) 
Flash28027_API_Library.lib(.text)
} LOAD = FLASH, 
RUN = SARAM, 
LOAD_START(_Flash28_API_LoadStart),
LOAD_END(_Flash28_API_LoadEnd),
RUN_START(_Flash28_API_RunStart),
PAGE = 0

this is the linker code in proj_lab03->28027F.cmd
MEMORY
{
PAGE 0:    /* Program Memory */
           /* Memory (RAM/FLASH/OTP) blocks can be moved to PAGE1 for data allocation */

   OTP         : origin = 0x3D7800, length = 0x000400     /* on-chip OTP */
   CSM_RSVD    : origin = 0x3F7F80, length = 0x000076     /* Part of FLASHA.  Program with all 0x0000 when CSM is in use. */
   BEGIN       : origin = 0x3F7FF6, length = 0x000002     /* Part of FLASHA.  Used for "boot to Flash" bootloader mode. */
   CSM_PWL_P0  : origin = 0x3F7FF8, length = 0x000008     /* Part of FLASHA.  CSM password locations in FLASHA */

   IQTABLES    : origin = 0x3FE000, length = 0x000B50     /* IQ Math Tables in Boot ROM */
   IQTABLES2   : origin = 0x3FEB50, length = 0x00008C     /* IQ Math Tables in Boot ROM */
   IQTABLES3   : origin = 0x3FEBDC, length = 0x0000AA     /* IQ Math Tables in Boot ROM */

   ROM         : origin = 0x3FF27C, length = 0x000D44     /* Boot ROM */
   RESET       : origin = 0x3FFFC0, length = 0x000002     /* part of boot ROM  */
   VECTORS     : origin = 0x3FFFC2, length = 0x00003E     /* part of boot ROM  */
   FLASHB_D    : origin = 0x3F0000, length = 0x006000     /* on-chip FLASH B, C and D */
   D_FLASHA    : origin = 0x3F6000, length = 0x001F80     /* on-chip FLASH A */
   P_RAML0     : origin = 0x008000, length = 0x000980     /* on-chip PRAM block L0 */

PAGE 1 :   /* Data Memory */
           /* Memory (RAM/FLASH/OTP) blocks can be moved to PAGE0 for program allocation */
           /* Registers remain on PAGE1                                                  */

   RAMM0_M1    : origin = 0x000000, length = 0x000600     /* on-chip RAM block M0 + M1. 0x600 to 0x800 reserved for InstaSPIN */
   D_RAML0     : origin = 0x008980, length = 0x000680     /* on-chip DRAM block L0 */
}

/* Allocate sections to memory blocks.
   Note:
         codestart user defined section in DSP28_CodeStartBranch.asm used to redirect code
                   execution when booting to flash
         ramfuncs  user defined section to store functions that will be copied from Flash into RAM
*/

SECTIONS
{



   /* Allocate program areas: */
   .cinit              : > FLASHB_D     PAGE = 0
   .pinit              : > FLASHB_D,    PAGE = 0
   .text               : > FLASHB_D     PAGE = 0
   codestart           : > BEGIN        PAGE = 0
   ramfuncs            : LOAD = FLASHB_D,
                         RUN = P_RAML0,
                         LOAD_START(_RamfuncsLoadStart),
                         LOAD_END(_RamfuncsLoadEnd),
                         RUN_START(_RamfuncsRunStart),
                         PAGE = 0

   csmpasswds          : > CSM_PWL_P0   PAGE = 0
   csm_rsvd            : > CSM_RSVD     PAGE = 0

   /* Allocate uninitalized data sections: */
   .stack              : > D_RAML0     PAGE = 1
   .ebss               : > RAMM0_M1     PAGE = 1
   .esysmem            : > RAMM0_M1     PAGE = 1

   ebss_extension      : > P_RAML0      PAGE = 0
   rom_accessed_data   : > RAMM0_M1     PAGE = 1

   vib_buf_data	       : > D_RAML0      PAGE = 1
   graph_data		   : > D_RAML0      PAGE = 1

   /* Initalized sections go in Flash */
   /* For SDFlash to program these, they must be allocated to page 0 */
   .econst             : > D_FLASHA,    PAGE = 0
   .switch             : > D_FLASHA,    PAGE = 0

   /* Allocate IQ math areas: */
   IQmath              : > FLASHB_D     PAGE = 0            /* Math Code */
   IQmathTables        : > IQTABLES,    PAGE = 0, TYPE = NOLOAD

   /* Uncomment the section below if calling the IQNexp() or IQexp()
      functions from the IQMath.lib library in order to utilize the
      relevant IQ Math table in Boot ROM (This saves space and Boot ROM
      is 1 wait-state). If this section is not uncommented, IQmathTables2
      will be loaded into other memory (SARAM, Flash, etc.) and will take
      up space, but 0 wait-state is possible.
   */
   /*
   IQmathTables2    : > IQTABLES2, PAGE = 0, TYPE = NOLOAD
   {

              IQmath.lib<IQNexpTable.obj> (IQmathTablesRam)

   }
   */
   /* Uncomment the section below if calling the IQNasin() or IQasin()
      functions from the IQMath.lib library in order to utilize the
      relevant IQ Math table in Boot ROM (This saves space and Boot ROM
      is 1 wait-state). If this section is not uncommented, IQmathTables3
      will be loaded into other memory (SARAM, Flash, etc.) and will take
      up space, but 0 wait-state is possible.
   */
   /*
   IQmathTables3    : > IQTABLES3, PAGE = 0, TYPE = NOLOAD
   {

              IQmath.lib<IQNasinTable.obj> (IQmathTablesRam)

   }
   */

   /* .reset is a standard section used by the compiler.  It contains the */
   /* the address of the start of _c_int00 for C Code.  */
   /* When using the boot ROM this section and the CPU vector */
   /* table is not needed.  Thus the default type is set here to  */
   /* DSECT  */
   .reset              : > RESET,      PAGE = 0, TYPE = DSECT
   vectors             : > VECTORS     PAGE = 0, TYPE = DSECT

}

How to insert  this code

Flash28_API:
{
Flash28027_API_Library.lib(.econst) 
Flash28027_API_Library.lib(.text)
} LOAD = FLASH, 
RUN = SARAM, 
LOAD_START(_Flash28_API_LoadStart),
LOAD_END(_Flash28_API_LoadEnd),
RUN_START(_Flash28_API_RunStart),
PAGE = 0

In order to not interfere with other memory map.

Isn't here any other way to initialize Flash functions Look like allocation.

//Hardware Allocated memory for I2C Registers
obj->i2cHandle = I2C_init((void *)I2C_BASE_ADDR,sizeof(I2C_Obj));



Thanks for attention.

Regards .

Dave.

  • Dave,

    Did you include Flash2802x_API_Library.h & Flash2802x_API_Config.h header files in your project? Is the right device (F28027) selected in Flash2802x_API_Config.h?

    Below documents explains how to integrate Flash API algorithm into your project. Please use this document as reference.

    <C2000Ware>\libraries\flash_api\f2802x\docs\Flash2802x_API_Quickstart.pdf

    Below example project is an example code which integrates Flash API within its project. You can also use this example project as reference.

    <C2000Ware>\libraries\flash_api\f2802x

    Regards,
    Manoj
  • hi dear Manoj,

    thanks for repling!

    Did you include Flash2802x_API_Library.h & Flash2802x_API_Config.h header files in your project?  Yes I did

    Is the right device (F28027) selected in Flash2802x_API_Config.h? Yes it is

    but i think the problem is F28027.cmd i am not familiar with these kind of codes !

    and in Example_Flash28027.c the linker file is Example_Flash28027_ROM_API.cmd

    in addition it is active ROM ! which proj_lab03a is Active flash .I got confuse :(  .

    i think  in proj_lab03.c ,the linker (F28027.cmd) needs to be modified ? is that right ?

    Please help me to modify proj_lab03.c (F28027.cmd)linker because the compiler can not find the location of API functions  .

    Please bear with me until my problem solve thanks .I am so concern about it ..

    Best regards

    Dave.

  • Dave,

    I don't think this linker command file issue. Did you include the right Flash API symbol library in your project. If you don't it doesn't recognize Flash API functions you are trying to call. Also, are you including the Flash API header files in C files which calls Flash API functions?

    Are you trying to use Flash API stored in BOOTROM? IF so, you need to include symbol library "2802x_FlashAPI_BootROMSymbols_v2.01.lib" in your project.

    As mentioned in my previous post, please refer below document which provides a step-by-step guidance on how to use Flash API functions in your project.

    <C2000Ware>\libraries\flash_api\f2802x\docs\Flash2802x_API_Quickstart.pdf

    Regards,

    Manoj

  • thanks dear Manoj ,
    I print all of the Flash2802x_API_Quickstart.pdf papers to read them ,
    After reading them I will ask you my questions .
    I hope I can find the answer in it .

    Thanks again for attention

    Best regards
    Dave.
  • Dave,

    I can't have the threads to be open for too long. Can I close this thread? You can open a new post if you still have more questions.

    Regards,
    Manoj
  • Dear Manoj
    Happy new year !

    around 1 year a go I post two questions ,TI employees put a lot of time to answer them perfectly .but form 6 month a go I asked several question but sadly they wont put time to solve problem ,Why is that ?
    closing the threads will not solve my problem, but you can do what ever needs to be done.
    thanks for attention .
    best Regards.

    Dave.
  • Dave,

    We are required to meet certain metrics which won't allow us to keep a thread active without any activity for more than 2 weeks. That is the reason I asked whether we can close this thead.

    TI engineers here do pay due diligence to answer all the posts in E2E. I'm not sure about your unanswered posts, but our metrics say our percentage of successfully resolving customer questions has significantly increased over the past year.

    Regards,
    Manoj
  • thanks for replying
    if you want to close it that's ok .

    Regards
    Dave.