sd_eeprom.s

来自「Atmega64单片机程序（完整工程）」· S 代码 · 共 58 行

	.module SD_EEPROM.c
	.area text(rom, con, rel)
	.even
_Load_SD_BootSector::
	sbiw R28,2
; /*--------------File Info-------------------------------------------------------
; ** 文   件   名:    SD_EEPROM.c
; ** 最后修改日期:    2008.04.04
; ** 版        本:    V1.0
; ** 描        述:    			
; **------------------------------------------------------------------------------
; ** Created   by:    		
; ** Created date:			
; *******************************************************************************/
; #include "SYS_Config.h"
; #include "SD_Config.h"
; #include "SD_EEPROM.h"
; 
; extern INT8U Data_Buf[SD_BLOCKSIZE];
; 
; void Load_SD_BootSector(void)
; {
;     EEPROMReadBytes(SD_BootSectorAddress,Data_Buf,SD_BootSectorLength);    
	ldi R24,512
	ldi R25,2
	std y+1,R25
	std y+0,R24
	ldi R18,<_Data_Buf
	ldi R19,>_Data_Buf
	ldi R16,64
	ldi R17,0
	xcall _EEPROMReadBytes
L1:
	adiw R28,2
	.dbline 0 ; func end
	ret
	.even
_Save_SD_BootSector::
	sbiw R28,2
; }
; 
; void Save_SD_BootSector(void)
; {
;     EEPROMWriteBytes(SD_BootSectorAddress,Data_Buf,SD_BootSectorLength);
	ldi R24,512
	ldi R25,2
	std y+1,R25
	std y+0,R24
	ldi R18,<_Data_Buf
	ldi R19,>_Data_Buf
	ldi R16,64
	ldi R17,0
	xcall _EEPROMWriteBytes
L2:
	adiw R28,2
	.dbline 0 ; func end
	ret