main.s

基于ATmega64的MP3程序

	.module main.c
	.area data(ram, con, rel)
_MP3_current_number::
	.blkb 1
	.area idata
	.byte 0
	.area data(ram, con, rel)
	.dbfile D:\TDDownload\MP3BOA~1.8\main.c
	.dbsym e MP3_current_number _MP3_current_number c
_set_volume::
	.blkb 1
	.area idata
	.byte 4
	.area data(ram, con, rel)
	.dbfile D:\TDDownload\MP3BOA~1.8\main.c
	.dbsym e set_volume _set_volume c
	.area text(rom, con, rel)
	.dbfile D:\TDDownload\MP3BOA~1.8\main.c
	.dbfunc e Delay_us _Delay_us fV
;           time -> R16,R17
	.even
_Delay_us::
	.dbline -1
	.dbline 35
; //ICC-AVR application builder : 2005-11-12 17:11:59
; // Target : M16
; // Crystal: 8.0000Mhz
; // copyright:鲁军波(endylu)
; // www.shop34612283.taobao.com
; // www.adembed.com
; #include <iom16v.h>
; #include <macros.h>
; #include <stdio.h> 
; #include "main.h"
; 
; /*
; void USART_TXD(uint8 data) //发送采用查询方式 
; { 
;         while( !(UCSRA & BIT(UDRE)) ); 
;         UDR=data; 
;         while( !(UCSRA & BIT(TXC )) ); 
;         UCSRA|=BIT(TXC); 
; } 
; */
; 
; uint8 timer1_over;
; uint8 MP3_all_number,MP3_current_number=0;
; uint8 play_state;
; uint8 key_value;
; uint8 set_volume=4;     //用的8级音量(64.69...99)
; uint8 buffer[512];      //缓存扇区的512个字节   
; 
; FAT_INFO fat_info;      //FAT的关键数据
; MP3_INFO mp3_info;      //文件的关键数据
; 
;   
; //=======================================================================  
; void Delay_us(uint16 time) //set time 120 to 100us,set 1 to 3.5us;
; 	{while (time--)
	xjmp L3
L2:
	.dbline 36
	wdr
L3:
	.dbline 35
	movw R2,R16
	subi R16,1
	sbci R17,0
	tst R2
	brne L2
	tst R3
	brne L2
X0:
	.dbline -2
L1:
	.dbline 0 ; func end
	ret
	.dbsym r time 16 i
	.dbend
	.dbfunc e Delay_ms _Delay_ms fV
;           time -> R20,R21
	.even
_Delay_ms::
	xcall push_gset1
	movw R20,R16
	.dbline -1
	.dbline 40
; 	 _WDR();
; 	
; 	}
; void Delay_ms(uint16 time) 
; 	{while (time--)
	xjmp L7
L6:
	.dbline 41
	ldi R16,1200
	ldi R17,4
	xcall _Delay_us
L7:
	.dbline 40
	movw R2,R20
	subi R20,1
	sbci R21,0
	tst R2
	brne L6
	tst R3
	brne L6
X1:
	.dbline -2
L5:
	xcall pop_gset1
	.dbline 0 ; func end
	ret
	.dbsym r time 20 i
	.dbend
	.dbfunc e putstring _putstring fV
;         string -> R20,R21
	.even
_putstring::
	xcall push_gset1
	movw R20,R16
	.dbline -1
	.dbline 45
; 	 Delay_us(1200);
; 	}
; 
; void putstring(uint8 *string)	
; {
	xjmp L11
L10:
	.dbline 47
	.dbline 48
	movw R30,R20
	ldd R16,z+0
	xcall _putchar
	.dbline 49
	subi R20,255  ; offset = 1
	sbci R21,255
	.dbline 50
L11:
	.dbline 46
;  	 while(*string)
	movw R30,R20
	ldd R2,z+0
	tst R2
	brne L10
	.dbline -2
L9:
	xcall pop_gset1
	.dbline 0 ; func end
	ret
	.dbsym r string 20 pc
	.dbend
	.dbfunc e timer1_init _timer1_init fV
	.even
_timer1_init::
	.dbline -1
	.dbline 54
; 	   {
; 	    putchar(*string);
; 		string++;
; 	   }
; }
; //***************************************************************
; void timer1_init(void)
; {//timer1 INIT 0.1S
	.dbline 55
;  TCCR1B=0X0D;
	ldi R24,13
	out 0x2e,R24
	.dbline 56
;  TCNT0=0X00;
	clr R2
	out 0x32,R2
	.dbline 57
;  OCR1AH=0X02;         //定时0.1s
	ldi R24,2
	out 0x2b,R24
	.dbline 58
;  OCR1AL=0X00;
	out 0x2a,R2
	.dbline 59
;  TIMSK|=0X10;
	in R24,0x39
	ori R24,16
	out 0x39,R24
	.dbline -2
L13:
	.dbline 0 ; func end
	ret
	.dbend
	.dbfunc e ASCII _ASCII fV
;              n -> R22
;              b -> R20,R21
	.even
_ASCII::
	xcall push_gset2
	mov R22,R18
	movw R20,R16
	.dbline -1
	.dbline 63
; }
; //=======================================================================
; void ASCII(uint8 *b,uint8 n)
; {*b=n/10+48;
	.dbline 63
	ldi R17,10
	mov R16,R22
	xcall div8u
	mov R24,R16
	subi R24,208    ; addi 48
	movw R30,R20
	std z+0,R24
	.dbline 64
;  *(b+1)=n%10+48;
	ldi R17,10
	mov R16,R22
	xcall mod8u
	mov R24,R16
	subi R24,208    ; addi 48
	movw R30,R20
	std z+1,R24
	.dbline -2
L14:
	xcall pop_gset2
	.dbline 0 ; func end
	ret
	.dbsym r n 22 c
	.dbsym r b 20 pc
	.dbend
	.area vector(rom, abs)
	.org 76
	jmp _timer0comp
	.area text(rom, con, rel)
	.dbfile D:\TDDownload\MP3BOA~1.8\main.c
	.dbfunc e timer0comp _timer0comp fV
	.even
_timer0comp::
	xcall push_lset
	.dbline -1
	.dbline 70
; }
; 
; //=======================================================================
; #pragma interrupt_handler timer0comp:20
; void timer0comp (void)
; { 
	.dbline 71
;  read_keyboard();
	xcall _read_keyboard
	.dbline -2
L15:
	xcall pop_lset
	.dbline 0 ; func end
	reti
	.dbend
	.area vector(rom, abs)
	.org 24
	jmp _timer1compA
	.area text(rom, con, rel)
	.dbfile D:\TDDownload\MP3BOA~1.8\main.c
	.dbfunc e timer1compA _timer1compA fV
	.even
_timer1compA::
	st -y,R24
	in R24,0x3f
	st -y,R24
	.dbline -1
	.dbline 76
; }
; 
; #pragma interrupt_handler timer1compA:7
; void timer1compA (void)
; {
	.dbline 77
;  timer1_over=1;
	ldi R24,1
	sts _timer1_over,R24
	.dbline -2
L16:
	ld R24,y+
	out 0x3f,R24
	ld R24,y+
	.dbline 0 ; func end
	reti
	.dbend
	.dbfunc e main _main fV
	.even
_main::
	.dbline -1
	.dbline 82
; }
; 
; //=======================================================================
; void main(void)
; { 
	.dbline 84
;   //WDTCR|=(1<<WDP0)|(1<<WDP1)|(1<<WDP2)|(1<<WDE);
;   uart_init();
	xcall _uart_init
	.dbline 85
;   putstring("RUN!");
	ldi R16,<L18
	ldi R17,>L18
	xcall _putstring
	.dbline 86
;   main_init();
	xcall _main_init
	.dbline 88
; 
;   for(;;)
L19:
	.dbline 89
	.dbline 90
	xcall _SONG_task
	.dbline 91
	wdr
	.dbline 92
	xcall _KBOD_task
	.dbline 93
	wdr
	.dbline 94
	xcall _DISP_task
	.dbline 95
	wdr
	.dbline 96
	.dbline 88
	.dbline 88
	xjmp L19
X2:
	.dbline -2
L17:
	.dbline 0 ; func end
	ret
	.dbend
	.dbfunc e uart_init _uart_init fV
	.even
_uart_init::
	.dbline -1
	.dbline 102
;   {
;    SONG_task();
;    _WDR();
;    KBOD_task();
;    _WDR();
;    DISP_task();
;    _WDR();
;    }
; }
; 
; 
; //=======================================================================
; void uart_init(void)           //用232串口发数据到PC，收集数据
;   {
	.dbline 103
;     UCSRB=(1<<RXEN)|(1<<TXEN);//允许发送和接收
	ldi R24,24
	out 0xa,R24
	.dbline 104
;     UBRRH=1;
	ldi R24,1
	out 0x20,R24
	.dbline 105
; 	UBRRL=0X9E;
	ldi R24,158
	out 0x9,R24
	.dbline 106
;     UCSRC=(1<<URSEL)|(1<<UCSZ1)|(1<<UCSZ0);//8位数据+1位STOP位
	ldi R24,134
	out 0x20,R24
	.dbline -2
L23:
	.dbline 0 ; func end
	ret
	.dbend
	.dbfunc e main_init _main_init fV
	.even
_main_init::
	sbiw R28,5
	.dbline -1
	.dbline 112
;   }
; 
; 
; //=======================================================================
; void main_init(void)
; {
	.dbline 113
;  I2C_Ini();
	xcall _I2C_Ini
	.dbline 114
;  STA013_Ini(); 
	xcall _STA013_Ini
	.dbline 115
;  buffer[0]=SDInit();    //里面有SPI的使能初始化，要放在LCD初始化的前面
	xcall _SDInit
	sts _buffer,R16
	.dbline 116
;  LCD_init();          //初始化LCD模块
	xcall _LCD_init
	.dbline 120
;                       //显示LOGO
;  
;  
;  if(buffer[0])
	lds R2,_buffer
	tst R2
	breq L25
	.dbline 121
;    {
	.dbline 122
;     LCD_write_String(0,1,12,"SD INIT ERR!",0);
	clr R2
	std y+4,R2
	ldi R24,<L27
	ldi R25,>L27
	std y+3,R25
	std y+2,R24
	ldi R24,12
	std y+0,R24
	ldi R18,1
	clr R16
	xcall _LCD_write_String
	.dbline 123
; 	putstring("SD INIT ERR!");
	ldi R16,<L27
	ldi R17,>L27
	xcall _putstring
L28:
	.dbline 124
L29:
	.dbline 124
;     while(1);
	xjmp L28
X3:
	.dbline 125
;    } 
L25:
	.dbline 126
;  LCD_write_String(0,1,11,"SD INIT OK!",0);
	clr R2
	std y+4,R2
	ldi R24,<L31
	ldi R25,>L31
	std y+3,R25
	std y+2,R24
	ldi R24,11
	std y+0,R24
	ldi R18,1
	clr R16