f2407.gel

DSP TMS320LF2407A 转速闭环控制系统

/********************************************************************/
/* Code Composer Studio supports five reserved GEL functions that   */
/* automatically get executed if they are defined. They are:        */
/*                                                                  */
/* StartUp()              - Executed whenever CCS is invoked        */
/* OnReset()              - Executed after Debug->Reset CPU         */
/* OnRestart()            - Executed after Debug->Restart           */
/* OnPreFileLoaded()      - Executed before File->Load Program      */
/* OnFileLoaded()         - Executed after File->Load Program       */
/*                                                                  */
/********************************************************************/

StartUp()
{
    /* Initialize F2407 memory map */
    F2407_Memory_Map();
}

/* uncomment the function(s) you want Code Composer Studio to execute
OnReset(int nErrorCode)
{
}

OnRestart(int nErrorCode)
{
}

OnPreFileLoaded()
{
}

OnFileLoaded(int nErrorCode, int bSymbolsOnly)
{
}
*/

menuitem "Initialize Memory Map";

/*----------------------- F2407 Memory Map -------------------------*/
/*                                                                  */
/*   The entire LF2407 address space (program, data, IO) is mapped  */
/*   as RAM with two exceptions. The on-chip flash is mapped as     */
/*   ROM and the following illegal/reserved sections are not        */
/*   mapped:                                                        */
/*                                                                  */
/*   Illegal/Rsvd Program    Illegal/Rsvd Data    Illegal/Rsvd IO   */
/*   --------------------    -----------------    ---------------   */
/*   None                    0x0080 - 0x01ff      None              */
/*                           0x0400 - 0x07ff                        */
/*                           0x1000 - 0x6fff                        */
/*------------------------------------------------------------------*/
hotmenu F2407_Memory_Map()
{
    int SCSR2 =*0x7019;     /* System Control and Status Register 2 */
    GEL_MapReset();
    GEL_MapOn();
 
    /* Check MPNMC value (SCSR2 bit 2) to determine map setting.    */
    if(SCSR2 & 4)
        GEL_MapAdd(0x0000,0,0x8000,1,1);    /* Ext prog memory      */
    else
        GEL_MapAdd(0x0000,0,0x8000,1,0);    /* On-chip flash memory */

    /* Program Memory Maps */
    GEL_MapAdd(0x8000,0,0x0800,1,1);        /* SARAM                */
    GEL_MapAdd(0x8800,0,0x7800,1,1);        /* External RAM         */

    /* Data Memory Maps */
    GEL_MapAdd(0x0000,1,0x0060,1,1);        /* Mem mapped regs      */
    GEL_MapAdd(0x0060,1,0x0020,1,1);        /* DARAM B2             */
    GEL_MapAdd(0x0200,1,0x0200,1,1);        /* DARAM B0 & B1        */
    GEL_MapAdd(0x0800,1,0x0800,1,1);        /* SARAM                */
    GEL_MapAdd(0x7000,1,0x1000,1,1);        /* Peripherals          */
    GEL_MapAdd(0x8000,1,0x8000,1,1);        /* External RAM         */

   /* I/O Memory Maps */
    GEL_MapAdd(0x0000,2,0x10000,1,1);
}

menuitem "Watchdog";
hotmenu Disable_WD()
{
    /* Enable WD override */
    *0x7029 = *0x7029 | 0x0068;
    *0x7025 = 0x0055; 
    *0x7025 = 0x00AA;
}