remote.s

diy硬盘mp3的程序

	adiw R28,63
	adiw R28,63
	adiw R28,63
	adiw R28,63
	adiw R28,7  ; offset = 259
	xcall pop_gset2
	.dbline 0 ; func end
	ret
	.dbsym l text 4 A[255:255]c
	.dbsym r LinePtr 20 c
	.dbsym r Header 22 c
	.dbend
	.dbfunc e SendRemote _SendRemote fV
;              i -> R22,R23
;         buffer -> R20,R21
	.even
_SendRemote::
	xcall push_gset2
	movw R20,R16
	.dbline -1
	.dbline 97
; 
; //******************************************************************
; //*	void SendRemote(char *buffer)
; //*   
; //* 
; //******************************************************************
; void SendRemote(char *buffer)
; {
	.dbline 100
; int i;
; 
; UCSR1B &= ~0x80; // Rx int disable
	lds R24,154
	andi R24,127
	sts 154,R24
	.dbline 101
; i = 0;
	clr R22
	clr R23
	.dbline 102
; TxChar(0x55);
	ldi R16,85
	xcall _TxChar
	.dbline 103
; TxChar(0x55);
	ldi R16,85
	xcall _TxChar
	.dbline 104
; TxChar(0xf0);
	ldi R16,240
	xcall _TxChar
	xjmp L33
L32:
	.dbline 106
	.dbline 107
	movw R2,R22
	subi R22,255  ; offset = 1
	sbci R23,255
	movw R30,R2
	add R30,R20
	adc R31,R21
	ldd R16,z+0
	xcall _SendByte
	.dbline 108
L33:
	.dbline 105
; while (buffer[i] != 0x00)
	movw R30,R22
	add R30,R20
	adc R31,R21
	ldd R2,z+0
	tst R2
	brne L32
	.dbline 109
;         {
;         SendByte(buffer[i++]);
;         }
; TxChar(0x0f);
	ldi R16,15
	xcall _TxChar
L35:
	.dbline 111
L36:
	.dbline 111
; 
; while (!(UCSR1A & 0x40)); 	  // Wait for the char to be cue off
	lds R2,155
	sbrs R2,6
	rjmp L35
	.dbline 112
; delay_ms(50);
	ldi R16,50
	ldi R17,0
	xcall _delay_ms
	.dbline 114
; 
; i = UDR1;
	lds R22,156
	clr R23
	.dbline 115
; UCSR1A |= 0x40;  
	lds R24,155
	ori R24,64
	sts 155,R24
	.dbline 116
; UCSR1B |= 0x80; // Rx int enable
	lds R24,154
	ori R24,128
	sts 154,R24
	.dbline -2
	.dbline 117
; }
L31:
	xcall pop_gset2
	.dbline 0 ; func end
	ret
	.dbsym r i 22 I
	.dbsym r buffer 20 pc
	.dbend
	.dbfunc e SendByte _SendByte fV
;              i -> R22
;              j -> R10
;             me -> R12
;         TxByte -> R20
	.even
_SendByte::
	xcall push_gset4
	mov R20,R16
	.dbline -1
	.dbline 125
; 
; //******************************************************************
; //*	void SendByte(unsigned char TxByte)
; //*   
; //* Manchester encode byte and send it
; //******************************************************************
; void SendByte(unsigned char TxByte)
; {
	.dbline 128
; unsigned char i,j,me;
; 
; for (i=0; i<2; i++)
	clr R22
	xjmp L42
L39:
	.dbline 129
;     {
	.dbline 130
; 	WDR();
	wdr
	.dbline 131
;     me = 0;         // manchester encoded txbyte
	clr R12
	.dbline 132
;     for (j=0 ; j<4; j++)
	clr R10
	xjmp L46
L43:
	.dbline 133
;         {
	.dbline 134
;         me >>=2;
	lsr R12
	lsr R12
	.dbline 135
;         if (TxByte & 0x01)
	sbrs R20,0
	rjmp L47
	.dbline 136
;                 {
	.dbline 137
;                 me |= 0x80;
	mov R24,R12
	ori R24,128
	mov R12,R24
	.dbline 138
;                 }
	xjmp L48
L47:
	.dbline 140
;         else
;                 {
	.dbline 141
;                 me |= 0x40;
	mov R24,R12
	ori R24,64
	mov R12,R24
	.dbline 142
;                 }
L48:
	.dbline 143
	lsr R20
	.dbline 144
L44:
	.dbline 132
	inc R10
L46:
	.dbline 132
	mov R24,R10
	cpi R24,4
	brlo L43
	.dbline 145
	mov R16,R12
	xcall _TxChar
	.dbline 146
L40:
	.dbline 128
	inc R22
L42:
	.dbline 128
	cpi R22,2
	brlo L39
	.dbline 147
;         TxByte >>=1;
;         }
;     TxChar(me);
;     }
; delay_ms(1);
	ldi R16,1
	ldi R17,0
	xcall _delay_ms
	.dbline -2
	.dbline 148
; }
L38:
	xcall pop_gset4
	.dbline 0 ; func end
	ret
	.dbsym r i 22 c
	.dbsym r j 10 c
	.dbsym r me 12 c
	.dbsym r TxByte 20 c
	.dbend
	.dbfunc e TxChar _TxChar fV
;             ch -> R16
	.even
_TxChar::
	.dbline -1
	.dbline 156
; 
; //******************************************************************
; //*	TxChar(unsigned char ch)
; //*   
; //* Send a byte to the remote  
; //******************************************************************
; void TxChar(unsigned char ch)
; {
	xjmp L51
L50:
	.dbline 157
	wdr
L51:
	.dbline 157
; while (!(UCSR1A & 0x20)) WDR(); 
	lds R2,155
	sbrs R2,5
	rjmp L50
	.dbline 158
; UDR1 = ch;
	sts 156,R16
	.dbline -2
	.dbline 159
; }
L49:
	.dbline 0 ; func end
	ret
	.dbsym r ch 16 c
	.dbend
	.area vector(rom, abs)
	.org 120
	jmp _RxChar
	.area text(rom, con, rel)
	.dbfile C:\DATA\MP3\Player\Code\remote.c
	.area bss(ram, con, rel)
	.dbfile C:\DATA\MP3\Player\Code\remote.c
L54:
	.blkb 1
L55:
	.blkb 1
L56:
	.blkb 1
	.area data(ram, con, rel)
	.dbfile C:\DATA\MP3\Player\Code\remote.c
L57:
	.blkb 1
	.area idata
	.byte 0
	.area data(ram, con, rel)
	.dbfile C:\DATA\MP3\Player\Code\remote.c
	.area text(rom, con, rel)
	.dbfile C:\DATA\MP3\Player\Code\remote.c
	.dbfunc e RxChar _RxChar fV
	.dbsym s Qte L57 c
	.dbsym s Error L56 c
	.dbsym s TempKey L55 c
	.dbsym s ch L54 c
	.even
_RxChar::
	st -y,R2
	st -y,R3
	st -y,R24
	st -y,R25
	in R2,0x3f
	st -y,R2
	.dbline -1
	.dbline 168
; 
; //******************************************************************
; //*	void RxChar(void)
; //*   
; //* Send a byte to the remote  
; //******************************************************************
; #pragma interrupt_handler RxChar:31
; void RxChar(void)
; {
	.dbline 173
; static unsigned char ch,TempKey;
; static unsigned char Error;
; static unsigned char Qte = 0;
; 
; ch = UDR1;
	lds R2,156
	sts L54,R2
	.dbline 175
; 
; if ((ch == 0xf0) && (Key == 0))
	mov R24,R2
	cpi R24,240
	brne L58
	lds R2,_Key
	tst R2
	brne L58
	.dbline 176
;    {
	.dbline 177
;    Qte = 1;
	ldi R24,1
	sts L57,R24
	.dbline 178
;    Error = FALSE;
	clr R2
	sts L56,R2
	.dbline 179
;    return;
	xjmp L53
L58:
	.dbline 182
;    }
; 
; if ((ch == 0x0f) && (Error == FALSE))
	lds R24,L54
	cpi R24,15
	brne L60
	lds R2,L56
	tst R2
	brne L60
	.dbline 183
;    {
	.dbline 184
;    Qte = 0;
	clr R2
	sts L57,R2
	.dbline 185
;    Key = TempKey;
	lds R2,L55
	sts _Key,R2
	.dbline 186
;    return;
	xjmp L53
L60:
	.dbline 189
;    }
; 
; if (Qte == 1)
	lds R24,L57
	cpi R24,1
	brne L62
	.dbline 190
;    {
	.dbline 191
;    TempKey = ch;
	lds R2,L54
	sts L55,R2
	.dbline 192
;    Qte++;
	subi R24,255    ; addi 1
	sts L57,R24
	.dbline 193
;    return;
	xjmp L53
L62:
	.dbline 196
	lds R24,L57
	cpi R24,2
	brne L64
	lds R2,L54
	com R2
	lds R3,L55
	cp R3,R2
	breq L64
	.dbline 197
	.dbline 198
	ldi R24,1
	sts L56,R24
	.dbline 199
	lds R24,L57
	subi R24,255    ; addi 1
	sts L57,R24
	.dbline 200
L64:
	.dbline -2
	.dbline 202
;    }
; 
; if ((Qte == 2) && (TempKey != ~ch))
;    {
;    Error = TRUE;
;    Qte++;
;    return;
;    }
; }
L53:
	ld R2,y+
	out 0x3f,R2
	ld R25,y+
	ld R24,y+
	ld R3,y+
	ld R2,y+
	.dbline 0 ; func end
	reti
	.dbend
	.area data(ram, con, rel)
	.dbfile C:\DATA\MP3\Player\Code\remote.c
L4:
	.blkb 4
	.area idata
	.byte 37,'c,0,0
	.area data(ram, con, rel)
	.dbfile C:\DATA\MP3\Player\Code\remote.c
L3:
	.blkb 6
	.area idata
	.byte 37,'c,37,'s,0,0
	.area data(ram, con, rel)
	.dbfile C:\DATA\MP3\Player\Code\remote.c