erase.asm

TMS320LF2401A串口烧写程序

***********************************************************************
** PERFORMS THE FOLLOWING:                               
*				                   
* 		                                
*      --------ERASE VERIFY  -- (pass) -----       
*      |	      |                     |   
*      |              | (fail)              |
*      |              |                     |      
*      |        ERASE SECTOR                |   
*      |              |                     |
*      |              |                     | 
*      ---------------                      |
*                                           |
*                                           |
*        ---(pass)--CMPTVER------------------
*        |             |         |
*        |             |(fail)   |
*        |             |         |
*        |            CMPT--------
*        |                        
*        |                        
*        ------------ERASE VERIFY 
*                                 
*                                 
*   NOTES: - ERASE BOTH SECTORS OF ARRAY 0 
***********************************************************************
	.option X,F

	.include 	..\include\svar.h

	.text

START:	LDP	#0
	SPLK 	#0000h,FL_SECST		;FIRST ADDRESS OF FLASH SEGMENT     
	SPLK	#0FFFh,FL_SECEND	;LAST ADDRESS IN FLASH SEGMENT   
	SPLK	#0000h,ERASESEC		;ERASE SECTOR KEY                 
	SPLK	#1,SECTOR		;MASTER SECTOR KEY               
	CALL	ERASE			;ERASE SECTOR 0	


			
				
	SPLK 	#01000h,FL_SECST	;FIRST ADDRESS OF FLASH SEGMENT     
	SPLK	#01FFFh,FL_SECEND	;LAST ADDRESS IN FLASH SEGMENT 
	SPLK	#01000h,ERASESEC	;ERASE SECTOR KEY
	SPLK	#2,SECTOR		;SECTOR KEY
	CALL	ERASE			;CLEAR SECTOR 1
        

	RET


err1:	LDPK	ERROR_FLAG
	SPLK	#1,ERROR_FLAG
        POP                             ;ADJUST CALL STACK DEPTH
	RET




*******************************************************************************
	.INCLUDE	ERA_ALG.ASM	;ERASE ROUTINE				         

	.END