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📄 at45db041d.s

📁 用ATMEGA16的硬件SPI驱动AT45DB041D
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	xcall _SPI_Write_Byte
	.dbline 502
;   SPI_Write_Byte((unsigned char)(PA<<1));
	mov R16,R10
	lsl R16
	rol R17
	xcall _SPI_Write_Byte
	.dbline 503
;   SPI_Write_Byte(0xFF); //8 don't care bits
	ldi R16,255
	xcall _SPI_Write_Byte
	.dbline 505
; 
;   Disable_DFLASH();
	xcall _Disable_DFLASH
	.dbline -2
L138:
	.dbline 0 ; func end
	xjmp pop_xgset300C
	.dbsym r PA 10 i
	.dbsym r BufferX 20 c
	.dbend
	.dbfunc e Main_Memory_Page_Program_Through_Buffer _Main_Memory_Page_Program_Through_Buffer fV
;              i -> R10
;        DataLen -> y+10
;          wData -> y+8
;             BA -> R10
;             PA -> R12,R13
;        BufferX -> R20
	.even
_Main_Memory_Page_Program_Through_Buffer::
	xcall push_xgset303C
	movw R12,R18
	mov R20,R16
	ldd R10,y+6
	.dbline -1
	.dbline 519
; }
; /************************************************************
; *将数据写到内存中(自动先写到BUFFER1 OR BURRER2中再将数据写到内存中)
; *BufferX   :选择自动先写入的缓冲器(Buffer1或Buffer2)
; *PA        :内存中的页地址0~2047
; *BA        :从页中的这个地址开始写数据,会自动转到下一页(0~263)
; *当写到最后一页的最后一个地址时,会自动转到第一页开始写
; *wData     :要写入的数据
; *DataLen   :要写入的数据长度
; ************************************************************/
; void Main_Memory_Page_Program_Through_Buffer(unsigned char BufferX,
;                                              unsigned int PA,unsigned char BA,
; 	 						                 unsigned char *wData,unsigned int DataLen)
; {
	.dbline 521
;   unsigned char i;
;   DF_Check_Busy_State();
	xcall _DF_Check_Busy_State
	.dbline 522
;   Enable_DFLASH();
	xcall _Enable_DFLASH
	.dbline 524
; 
;   if(BufferX == Buffer1)  SPI_Write_Byte(Main_Memory_Page_Program_Through_Buffer1);//0x82
	cpi R20,1
	brne L142
X31:
	.dbline 524
	ldi R16,130
	xcall _SPI_Write_Byte
	xjmp L143
L142:
	.dbline 525
;   else                    SPI_Write_Byte(Main_Memory_Page_Program_Through_Buffer2);//0x85
	ldi R16,133
	xcall _SPI_Write_Byte
L143:
	.dbline 528
; 
;   //4 bits(don't care bits) + 11 bits(page address)+9(address in the page)
;   SPI_Write_Byte((unsigned char)(PA>>7));
	ldi R18,7
	ldi R19,0
	movw R16,R12
	xcall lsr16
	xcall _SPI_Write_Byte
	.dbline 529
;   SPI_Write_Byte((unsigned char)((PA<<1)|(BA>>8)));
	mov R2,R10
	clr R3
	mov R2,R3
	clr R3
	sbrc R2,7
	com R3
	mov R16,R12
	lsl R16
	rol R17
	or R16,R2
	or R17,R3
	xcall _SPI_Write_Byte
	.dbline 530
;   SPI_Write_Byte((unsigned char)BA);
	mov R16,R10
	xcall _SPI_Write_Byte
	.dbline 532
; 
;   for(i=0;i<DataLen;i++)	SPI_Write_Byte(wData[i]);
	clr R10
	xjmp L147
L144:
	.dbline 532
	mov R30,R10
	clr R31
	ldd R0,y+8
	ldd R1,y+9
	add R30,R0
	adc R31,R1
	ldd R16,z+0
	xcall _SPI_Write_Byte
L145:
	.dbline 532
	inc R10
L147:
	.dbline 532
	mov R2,R10
	clr R3
	ldd R0,y+10
	ldd R1,y+11
	cp R2,R0
	cpc R3,R1
	brlo L144
X32:
	.dbline 534
; 
;   Disable_DFLASH();
	xcall _Disable_DFLASH
	.dbline -2
L141:
	.dbline 0 ; func end
	xjmp pop_xgset303C
	.dbsym r i 10 c
	.dbsym l DataLen 10 i
	.dbsym l wData 8 pc
	.dbsym r BA 10 c
	.dbsym r PA 12 i
	.dbsym r BufferX 20 c
	.dbend
	.dbfunc e DF_Main_Memory_Page_Read _DF_Main_Memory_Page_Read fV
;              i -> R20
;        DataLen -> y+8
;          rData -> y+6
;             BA -> R10
;             PA -> R12,R13
	.even
_DF_Main_Memory_Page_Read::
	xcall push_xgset303C
	mov R10,R18
	movw R12,R16
	.dbline -1
	.dbline 547
; }
; /************************************************************
; *从内存中读取数据到数组rData中(直接读取数据不经过BUFFER1 OR BURRER2)
; *PA        :内存中的页地址0~2047
; *BA        :从页中的这个地址开始读数据,会自动转到下一页(0~263)
; *当读到最后一页的最后一个地址时,会自动转到第一页开始读取
; *rData     :存放读到的数据
; *DataLen   :要读取的数据长度
; *与DF_Continuous_Array_Read一样的功能但与Buffer有关,但不改变Buffer中的数据
; ************************************************************/
; void DF_Main_Memory_Page_Read(unsigned int PA,unsigned char BA,
; 	 						  unsigned char *rData,unsigned int DataLen)
; {
	.dbline 549
;   unsigned char i;
;   DF_Check_Busy_State();
	xcall _DF_Check_Busy_State
	.dbline 551
; 
;   Enable_DFLASH();
	xcall _Enable_DFLASH
	.dbline 553
; 
;   SPI_Write_Byte(Main_Memory_Page_Read_Command);//0xD2
	ldi R16,210
	xcall _SPI_Write_Byte
	.dbline 556
; 
;   //4 bits(don't care bits) + 11 bits(page address)+9(address in the page)
;   SPI_Write_Byte((unsigned char)(PA>>7));
	ldi R18,7
	ldi R19,0
	movw R16,R12
	xcall lsr16
	xcall _SPI_Write_Byte
	.dbline 557
;   SPI_Write_Byte((unsigned char)((PA<<1)|(BA>>8)));
	mov R2,R10
	clr R3
	mov R2,R3
	clr R3
	sbrc R2,7
	com R3
	mov R16,R12
	lsl R16
	rol R17
	or R16,R2
	or R17,R3
	xcall _SPI_Write_Byte
	.dbline 558
;   SPI_Write_Byte((unsigned char)BA);
	mov R16,R10
	xcall _SPI_Write_Byte
	.dbline 560
;   //4 don’t care bytes
;   for(i=0;i<4;i++)	SPI_Write_Byte(0xFF);
	clr R20
	xjmp L152
L149:
	.dbline 560
	ldi R16,255
	xcall _SPI_Write_Byte
L150:
	.dbline 560
	inc R20
L152:
	.dbline 560
	cpi R20,4
	brlo L149
X33:
	.dbline 562
; 
;   for(i=0;i<DataLen;i++)  rData[i] = SPI_Read_Byte(0xFF);//读取数据
	clr R20
	xjmp L156
L153:
	.dbline 562
	ldi R16,255
	xcall _SPI_Read_Byte
	mov R30,R20
	clr R31
	ldd R0,y+6
	ldd R1,y+7
	add R30,R0
	adc R31,R1
	std z+0,R16
L154:
	.dbline 562
	inc R20
L156:
	.dbline 562
	mov R2,R20
	clr R3
	ldd R0,y+8
	ldd R1,y+9
	cp R2,R0
	cpc R3,R1
	brlo L153
X34:
	.dbline 564
; 
;   Disable_DFLASH();
	xcall _Disable_DFLASH
	.dbline -2
L148:
	.dbline 0 ; func end
	xjmp pop_xgset303C
	.dbsym r i 20 c
	.dbsym l DataLen 8 i
	.dbsym l rData 6 pc
	.dbsym r BA 10 c
	.dbsym r PA 12 i
	.dbend
	.dbfunc e DF_Continuous_Array_Read _DF_Continuous_Array_Read fV
;              i -> R20
;        DataLen -> y+8
;          rData -> y+6
;             BA -> R10
;             PA -> R12,R13
	.even
_DF_Continuous_Array_Read::
	xcall push_xgset303C
	mov R10,R18
	movw R12,R16
	.dbline -1
	.dbline 577
; }
; /************************************************************
; *从内存中读取数据到数组rData中(直接读取数据不经过BUFFER1 OR BURRER2)
; *PA        :内存中的页地址0~2047
; *BA        :从页中的这个地址开始读数据,会自动转到下一页(0~263)
; *当读到最后一页的最后一个地址时,会自动转到第一页开始读取
; *rData     :存放读到的数据
; *DataLen   :要读取的数据长度
; *与DF_Main_Memory_Page_Read一样的功能但与Buffer无关
; ************************************************************/
; void DF_Continuous_Array_Read(unsigned int PA,unsigned char BA,
; 	 						  unsigned char *rData,unsigned int DataLen)
; {
	.dbline 579
;   unsigned char i;
;   DF_Check_Busy_State();
	xcall _DF_Check_Busy_State
	.dbline 581
; 
;   Enable_DFLASH();
	xcall _Enable_DFLASH
	.dbline 583
; 
;   SPI_Write_Byte(Continuous_Array_Read_Command);//0xE8
	ldi R16,232
	xcall _SPI_Write_Byte
	.dbline 586
; 
;   //4 bits(don't care bits) + 11 bits(page address)+9(address in the page)
;   SPI_Write_Byte((unsigned char)(PA>>7));
	ldi R18,7
	ldi R19,0
	movw R16,R12
	xcall lsr16
	xcall _SPI_Write_Byte
	.dbline 587
;   SPI_Write_Byte((unsigned char)((PA<<1)|(BA>>8)));
	mov R2,R10
	clr R3
	mov R2,R3
	clr R3
	sbrc R2,7
	com R3
	mov R16,R12
	lsl R16
	rol R17
	or R16,R2
	or R17,R3
	xcall _SPI_Write_Byte
	.dbline 588
;   SPI_Write_Byte((unsigned char)BA);
	mov R16,R10
	xcall _SPI_Write_Byte
	.dbline 590
;   //4 don’t care bytes
;   for(i=0;i<4;i++)	SPI_Write_Byte(0xFF);
	clr R20
	xjmp L161
L158:
	.dbline 590
	ldi R16,255
	xcall _SPI_Write_Byte
L159:
	.dbline 590
	inc R20
L161:
	.dbline 590
	cpi R20,4
	brlo L158
X35:
	.dbline 592
; 
;   for(i=0;i<DataLen;i++)  rData[i] = SPI_Read_Byte(0xFF);//读取数据
	clr R20
	xjmp L165
L162:
	.dbline 592
	ldi R16,255
	xcall _SPI_Read_Byte
	mov R30,R20
	clr R31
	ldd R0,y+6
	ldd R1,y+7
	add R30,R0
	adc R31,R1
	std z+0,R16
L163:
	.dbline 592
	inc R20
L165:
	.dbline 592
	mov R2,R20
	clr R3
	ldd R0,y+8
	ldd R1,y+9
	cp R2,R0
	cpc R3,R1
	brlo L162
X36:
	.dbline 594
; 
;   Disable_DFLASH();
	xcall _Disable_DFLASH
	.dbline -2
L157:
	.dbline 0 ; func end
	xjmp pop_xgset303C
	.dbsym r i 20 c
	.dbsym l DataLen 8 i
	.dbsym l rData 6 pc
	.dbsym r BA 10 c
	.dbsym r PA 12 i
	.dbend
	.area lit(rom, con, rel)
L167:
	.byte 199,148
	.byte 128,154
	.area text(rom, con, rel)
	.dbfile E:\item\car\AT45DB041D\AT45DB041D.c
	.dbfunc e DF_Chip_Erase _DF_Chip_Erase fV
; Chip_Erase_Command -> y+0
;              i -> R20
	.even
_DF_Chip_Erase::
	st -y,R20
	sbiw R28,4
	.dbline -1
	.dbline 601
; }
; /************************************************************
; *擦除FLASH全部内容
; *not affect sectors that are protected or locked down
; ************************************************************/
; void DF_Chip_Erase(void)
; {
	.dbline 602
;   unsigned char Chip_Erase_Command[4]={0xC7,0x94,0x80,0x9A};//整片擦除操作码
	ldi R24,<L167
	ldi R25,>L167
	movw R30,R28
	ldi R16,4
	ldi R17,0
	st -y,R31
	st -y,R30
	st -y,R25
	st -y,R24
	xcall asgncblk
	.dbline 605
;   unsigned char i;
; 
;   DF_Check_Busy_State();
	xcall _DF_Check_Busy_State
	.dbline 606
;   Enable_DFLASH();
	xcall _Enable_DFLASH
	.dbline 608
; 
;   for(i=0;i<4;i++)
	clr R20
	xjmp L171
L168:
	.dbline 609
;   {
	.dbline 610
;      SPI_Write_Byte(Chip_Erase_Command[i]);
	movw R24,R28
	mov R30,R20
	clr R31
	add R30,R24
	adc R31,R25
	ldd R16,z+0
	xcall _SPI_Write_Byte
	.dbline 611
;   }
L169:
	.dbline 608
	inc R20
L171:
	.dbline 608
	cpi R20,4
	brlo L168
X37:
	.dbline 613
; 
;   Disable_DFLASH();
	xcall _Disable_DFLASH
	.dbline -2
L166:
	.dbline 0 ; func end
	adiw R28,4
	ld R20,y+
	ret
	.dbsym l Chip_Erase_Command 0 A[4:4]c
	.dbsym r i 20 c
	.dbend
	.dbfunc e DataFlash_Init _DataFlash_Init fV
	.even
_DataFlash_Init::
	.dbline -1
	.dbline 619
; }
; /************************************************************
; *DataFlash初始化(其实是初始化驱动FLASH用到的SPI)
; ************************************************************/
; void DataFlash_Init(void)
; {
	.dbline 620
;   SPI_Init();
	xcall _SPI_Init
	.dbline -2
L172:
	.dbline 0 ; func end
	ret
	.dbend
	.dbfunc e DF_Reset _DF_Reset fV
	.even
_DF_Reset::
	.dbline -1
	.dbline 626
; }
; /************************************************************
; *FLASH复位
; ************************************************************/
; void DF_Reset(void)
; {
	.dbline 627
;   SPI_PORT&=~(1<<RESET);	//使能复位
	cbi 0x18,3
	.dbline 628
;   DF_Delay(100);
	ldi R16,100
	ldi R17,0
	xcall _DF_Delay
	.dbline 629
;   SPI_PORT|=(1<<RESET);     //禁止复位
	sbi 0x18,3
	.dbline 630
;   DF_Delay(100);
	ldi R16,100
	ldi R17,0
	xcall _DF_Delay
	.dbline -2
L173:
	.dbline 0 ; func end
	ret
	.dbend
	.area lit(rom, con, rel)
L175:
	.byte 1,2
	.byte 3,4
	.byte 5,6
	.byte 7,8
	.byte 9,10
L176:
	.byte 0,0
	.byte 0,0
	.byte 0,0
	.byte 0,0
	.byte 0,0
	.area text(rom, con, rel)
	.dbfile E:\item\car\AT45DB041D\AT45DB041D.c
	.dbfunc e Test_Flash_Buffer_to_Buffer _Test_Flash_Buffer_to_Buffer fV
; TestReadBuffer -> y+14
; TestWriteBuffer -> y+4
;              i -> R20
	.even
_Test_Flash_Buffer_to_Buffer::
	st -y,R20
	sbiw R28,24
	.dbline -1
	.dbline 637
; }
; /************************************************************
; *Test DataFlash
; ************************************************************/
; //Test_Flash_Buffer_to_Buffer
; void Test_Flash_Buffer_to_Buffer(void)
; {
	.dbline 639
;   unsigned char i;
;   unsigned char TestWriteBuffer[10]={1,2,3,4,5,6,7,8,9,10};
	ldi R24,<L175
	ldi R25,>L175
	movw R30,R28
	adiw R30,4
	ldi R16,10
	ldi R17,0
	st -y,R31
	st -y,R30
	st -y,R25
	st -y,R24
	xcall asgncblk
	.dbline 640
;   unsigned char TestReadBuffer[10] ={0,0,0,0,0,0,0,0,0,0};
	ldi R24,<L176
	ldi R25,>L176
	movw R30,R28
	adiw R30,14
	ldi R16,10
	ldi R17,0
	st -y,R31
	st -y,R30
	st -y,R25
	st -y,R24
	xcall asgncblk
	.dbline 643
; 
;   //写数据到Buffer中
;   DF_Write_to_Buffer(Buffer1,0,TestWriteBuffer,10);
	ldi R24,10
	ldi R25,0
	std y+3,R25
	std y+2,R24
	movw R24,R28
	adiw R24,4
	std y+1,R25
	std y+0,R24
	clr R18
	clr R19
	ldi R16,1
	xcall _DF_Write_to_Buffer
	.dbline 645
;   //从Buffer中读取数据
;   DF_Read_from_Buffer(Buffer1,0,TestReadBuffer,10);
	ldi R24,10
	ldi R25,0
	std y+3,R25
	std y+2,R24
	movw R24,R28
	adiw R24,14
	std y+1,R25
	std y+0,R24
	clr R18
	clr R19
	ldi R16,1
	xcall _DF_Read_from_Buffer
	.dbline 647
;   
;   for(i=0;i<10;i++)//把要写入的和读出的数据写入EEPROM用于比较
12345

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