TMS570LS0914：在使用Fapi_BlockErase擦除flash的时候卡死？

uint32_t Fapi_BlockErase( uint32_t Bank, uint32_t Flash_Start_Address, uint32_t Size_In_Bytes)
{
	uint32_t status;
	uint32_t Freq_In_MHz;
	uint8_t  i, j, bk, ucStartBank, ucStartSector, ucEndBank;
	uint32_t *eraseStartAddr0;
	uint32_t *eraseStartAddr;
    int  remaining;
    uint32_t Flash_End_Address;

	ucStartBank = 0, i=0, ucStartSector = 0;
	ucEndBank = 0;
	eraseStartAddr0 = (uint32_t *)Flash_Start_Address;
	eraseStartAddr = (uint32_t *)Flash_Start_Address;
	Flash_End_Address = Flash_Start_Address + Size_In_Bytes;

	Freq_In_MHz = SYS_CLK_FREQ;

	for (i = 0; i < NUMBEROFSECTORS-1; i++){
		if (Flash_Start_Address == (uint32_t)(flash_sector[i].start))
		{
			ucStartBank     = flash_sector[i].bankNumber;
		    ucStartSector   = flash_sector[i].sectorNumber;
		    eraseStartAddr0 = flash_sector[i].start;
		    eraseStartAddr  = flash_sector[i].start;
		    break;
		}
	}

	for (i = ucStartSector; i < NUMBEROFSECTORS-1; i++){
		if (Flash_End_Address <= ((uint32_t)(flash_sector[i].start) + flash_sector[i].length))
		{
			ucEndBank   = flash_sector[i].bankNumber;
		    break;
		}
	}

	//F021_CPU0_REGISTER_ADDRESS is defined as 0xfff87000 in FMC.h
	//Fapi_initializeAPI((Fapi_FmcRegistersType *)F021_CPU0_REGISTER_ADDRESS, Freq_In_MHz); /*used for API Rev1.5*/
	Fapi_initializeFlashBanks(Freq_In_MHz); /* used for API Rev2.01 */

    for (bk = ucStartBank; bk < ucEndBank+1; bk++){

    	Fapi_setActiveFlashBank((Fapi_FlashBankType)bk);

    	if (bk == 0){
    	    j = ucStartSector;//0
    	    remaining = Size_In_Bytes;//4
    	}else{
     	    j = 0;
    	}

        Fapi_enableMainBankSectors(0xFFFF);        /* used for API 2.01*/
        while( FAPI_CHECK_FSM_READY_BUSY == Fapi_Status_FsmBusy );

    	do{
        	Fapi_issueAsyncCommandWithAddress(Fapi_EraseSector, eraseStartAddr);
    	    //Fapi_issueAsyncCommandWithAddress(Fapi_ProgramData, eraseStartAddr);
        	while( FAPI_CHECK_FSM_READY_BUSY == Fapi_Status_FsmBusy );
        	while(FAPI_GET_FSM_STATUS != Fapi_Status_Success);
//        	while(FAPI_GET_FSM_STATUS != Fapi_Status_Success){status = FAPI_GET_FSM_STATUS;}

            remaining -= flash_sector[j++].length;
    		eraseStartAddr = flash_sector[j].start;

        }while((remaining > 0) && ( j < flash_bank[bk].numOfSectors));
    }

	status =  Flash_Erase_Check((uint32_t)eraseStartAddr0, Size_In_Bytes);

	return (status);
}

uint32_t Fapi_BlockProgram( uint32_t Bank, uint32_t Flash_Start_Address, uint32_t Data_Start_Address, uint32_t Size_In_Bytes)
{
	register uint32_t src = Data_Start_Address;
	register uint32_t dst = Flash_Start_Address;
	register uint32_t bytes_remain = Size_In_Bytes;
	uint8_t  i, ucBank;
	uint32_t status;
	uint32_t bytes;
	uint32_t Freq_In_MHz;

	Freq_In_MHz = SYS_CLK_FREQ;

	if (Size_In_Bytes < 16)
		bytes = Size_In_Bytes;
	else
		bytes = 16;

	for (i = 0; i < NUMBEROFSECTORS-1; i++){
		if (Flash_Start_Address < (uint32_t)(flash_sector[i+1].start))
		{
			ucBank     = flash_sector[i].bankNumber;
		    break;
		}
	}

	if(( Flash_Start_Address == APP_START_ADDRESS ) || ( ucBank == 1 )){
		Fapi_initializeFlashBanks(Freq_In_MHz); /* used for API Rev2.01 */

		Fapi_setActiveFlashBank((Fapi_FlashBankType)ucBank);

		Fapi_enableMainBankSectors(0xFFFF);        /* used for API 2.01*/

		while( FAPI_CHECK_FSM_READY_BUSY == Fapi_Status_FsmBusy );
		while( FAPI_GET_FSM_STATUS!= Fapi_Status_Success );
	}

    while( bytes_remain > 0)
	{
		Fapi_issueProgrammingCommand((uint32_t *)dst,
									 (uint8_t *)src,
									 (uint32_t) bytes,
									 0,
									 0,
									 Fapi_AutoEccGeneration);

 		while( FAPI_CHECK_FSM_READY_BUSY == Fapi_Status_FsmBusy );
        while(FAPI_GET_FSM_STATUS!= Fapi_Status_Success);

		src += bytes;   //Size_In_Bytes;
		dst += bytes; //Size_In_Bytes;
        bytes_remain -= bytes; //Size_In_Bytes;
        if ( bytes_remain < 16){
           bytes = bytes_remain;
        }
    }

#ifdef DEBUG_MSG_L3
        UART_putString(UART, "\r Programmed the flash: ");
        UART_send32BitData(UART, Size_In_Bytes);
        UART_putString(UART, "   Bytes. \r ");
#endif
	status =  Flash_Program_Check(Flash_Start_Address, Data_Start_Address, Size_In_Bytes);

	return (status);
}