main.s

ATMEGA128的EEPROM驱动程序

	.module main.c
	.area text(rom, con, rel)
	.dbfile D:\avrvi\AVRVi_m128_Starter_Kit\EEPROM_HC595\source\main.c
	.dbfunc e EEPROM_write _EEPROM_write fV
;         ucData -> R18
;      uiAddress -> R16,R17
	.even
_EEPROM_write::
	.dbline -1
	.dbline 13
; /************************************************
; 文件：main.c
; 用途：
; 注意：内部8M晶振
; 创建：2008.4.1
; 修改：2008.4.1
; Copy Right  (c)  www.avrvi.com  AVR与虚拟仪器
; ************************************************/
; 
; #include "config.h"
; 
; void EEPROM_write(unsigned int uiAddress,unsigned char ucData)
; {
L2:
	.dbline 14
L3:
	.dbline 14
;  while(EECR&(1<<EEWE));
	sbic 0x1c,1
	rjmp L2
	.dbline 15
;  EEAR = uiAddress;
	out 0x1f,R17
	out 0x1e,R16
	.dbline 16
;  EEDR = ucData;
	out 0x1d,R18
	.dbline 17
;  EECR |=(1<<EEMWE);
	sbi 0x1c,2
	.dbline 18
;  EECR |=(1<<EEWE);
	sbi 0x1c,1
	.dbline -2
L1:
	.dbline 0 ; func end
	ret
	.dbsym r ucData 18 c
	.dbsym r uiAddress 16 i
	.dbend
	.dbfunc e EEPROM_read _EEPROM_read fc
;      uiAddress -> R16,R17
	.even
_EEPROM_read::
	.dbline -1
	.dbline 22
; }
; 
; unsigned char EEPROM_read(unsigned int uiAddress)
; {
L6:
	.dbline 23
L7:
	.dbline 23
;  while(EECR&(1<<EEWE));
	sbic 0x1c,1
	rjmp L6
	.dbline 24
;  EEAR = uiAddress;
	out 0x1f,R17
	out 0x1e,R16
	.dbline 25
;  EECR |=(1<<EERE);
	sbi 0x1c,0
	.dbline 26
;  return EEDR;
	in R16,0x1d
	.dbline -2
L5:
	.dbline 0 ; func end
	ret
	.dbsym r uiAddress 16 i
	.dbend
	.dbfunc e main _main fV
;           temp -> R20
	.even
_main::
	.dbline -1
	.dbline 30
; }
; 
; void main(void)
; {
	.dbline 32
;  unsigned char temp;
;  HC_595_init();
	xcall _HC_595_init
	.dbline 34
;  
;  temp=EEPROM_read(0x01);
	ldi R16,1
	ldi R17,0
	xcall _EEPROM_read
	mov R20,R16
	.dbline 35
;  temp++;
	inc R20
	.dbline 36
;  EEPROM_write(0x01,temp);
	mov R18,R20
	ldi R16,1
	ldi R17,0
	xcall _EEPROM_write
	xjmp L11
L10:
	.dbline 39
	.dbline 40
	mov R16,R20
	clr R17
	xcall _Seg7_Led_display
	.dbline 41
L11:
	.dbline 38
	xjmp L10
X0:
	.dbline -2
L9:
	.dbline 0 ; func end
	ret
	.dbsym r temp 20 c
	.dbend