/*************************************************************************/
/* TMS320F2810 C Language File                                           */
/* The C Language File For Modify FLASH Register     Version number: 1.0 */
/*                                                                       */
/* File name : Flash_Reg_Modify.c                                        */
/* Date/Time created: Jan 25 2006                                        */
/* Author: Anakin.Lee                                                    */
/*************************************************************************/

#include <stdio.h>
#include <string.h>
#include "TMS320F2810_REG.h"

// Functions that will be run from RAM need to be assigned to 
// a different section.  This section will then be mapped to a load and 
// run address using the linker cmd file.

#pragma CODE_SECTION(Flash_Reg_Modify,"secureRamFuncs");

/******************注意********************/
/* 對Flash寄存器的設置不能在Flash內部運行 */
/* 而應該裝載在Flash中,在RAM中運行!!!!!!! */
/******************************************/

//                   CAUTION 
// This function MUST be executed out of RAM. Executing it
// out of OTP/Flash will yield unpredictable results

void Flash_Reg_Modify(void)
{    EALLOW;

     *FOPT=0x1;                               /* Flash流水線模式激活 */
     *FSTDBYWAIT=0xFF;                        /* 設置Flash從休眠到待機等待255個SYSCLKOUT周期 */
     *FACTIVEWAIT=0xFF;                       /* 設置Flash從待機到激活等待255個SYSCLKOUT周期 */
     *FBANKWAIT=0x0505;                       /* 設置Flash頁讀等待5個SYSCLKOUT周期,隨機讀操作等待5個SYSCLKOUT周期 */

     EDIS;
     asm(" RPT #7 || NOP");
}