📄 vs1011b.s

📁 采用Mega16＋VS1011B＋SD卡制作的Mp3
💻 S
字号:
	.module VS1011B.c
	.area text(rom, con, rel)
	.dbfile D:\学习\AVRpro\Mega16程序\TestLCD\VS1011B.c
	.dbfunc e VS1011B_SPI_Low _VS1011B_SPI_Low fV
	.even
_VS1011B_SPI_Low::
	.dbline -1
	.dbline 18
; # include "iom16v.h"
; # include "macros.h"
; # include "VS1011B.h"
; 
; #define uchar unsigned char
; #define uint  unsigned int
; #ifndef  SPI_CS_Deassert()
; 		 #define MMC_SD_PORT       PORTB  //引脚定义
; 		 #define MMC_SD_CS_PIN     4      //mega16,MMC/SD卡的片选引脚,接PortB4/ss
; 		 #define SPI_CS_Deassert() MMC_SD_PORT |=  BIT(MMC_SD_CS_PIN)  //SS为高,释放MMC
; #endif
; 
; extern unsigned char CurVol,CurBass;
; extern void Delay(unsigned int DelayTimes);
; 
; //以最低速度运行	//low speed
; void VS1011B_SPI_Low(void)
; {
	.dbline 19
; 	SPCR =   BIT(SPE)|BIT(MSTR)|BIT(SPR1)|BIT(SPR0);
	ldi R24,83
	out 0xd,R24
	.dbline 20
; 	SPSR &= ~BIT(SPI2X);
	cbi 0xe,0
	.dbline -2
L1:
	.dbline 0 ; func end
	ret
	.dbend
	.dbfunc e VS1011B_SPI_High _VS1011B_SPI_High fV
	.even
_VS1011B_SPI_High::
	.dbline -1
	.dbline 25
; }
; 
; //以FCK/4速度运行	//full speed
; void VS1011B_SPI_High(void)
; {
	.dbline 26
; 	SPCR =  BIT(SPE)|BIT(MSTR);
	ldi R24,80
	out 0xd,R24
	.dbline 27
; 	SPSR |= BIT(SPI2X);
	sbi 0xe,0
	.dbline -2
L2:
	.dbline 0 ; func end
	ret
	.dbend
	.dbfunc e VS1011B_WriteByte _VS1011B_WriteByte fV
;             CH -> R16
	.even
_VS1011B_WriteByte::
	.dbline -1
	.dbline 32
; }
; 
; //向VS1011B写一字节		//write one byte to vs1011b
; void VS1011B_WriteByte(unsigned char CH)
; {   
	.dbline 33
; 	SPDR = CH;
	out 0xf,R16
L4:
	.dbline 34
; 	while(!(SPSR & BIT(SPIF)));
L5:
	.dbline 34
	sbis 0xe,7
	rjmp L4
X0:
	.dbline -2
L3:
	.dbline 0 ; func end
	ret
	.dbsym r CH 16 c
	.dbend
	.dbfunc e VS1011B_ReadByte _VS1011B_ReadByte fc
	.even
_VS1011B_ReadByte::
	.dbline -1
	.dbline 39
; }
; 
; //从VS1011B读一字节		//read one byte from vs1011b
; unsigned char VS1011B_ReadByte(void)
; {
	.dbline 40
;     SPDR = 0xff;
	ldi R24,255
	out 0xf,R24
L8:
	.dbline 41
; 	while(!(SPSR & BIT(SPIF)));
L9:
	.dbline 41
	sbis 0xe,7
	rjmp L8
X1:
	.dbline 42
; 	return SPDR;
	in R16,0xf
	.dbline -2
L7:
	.dbline 0 ; func end
	ret
	.dbend
	.dbfunc e VS1011B_WriteCMD _VS1011B_WriteCMD fV
;            dat -> R10,R11
;           addr -> R12
	.even
_VS1011B_WriteCMD::
	xcall push_xgset003C
	movw R10,R18
	mov R12,R16
	.dbline -1
	.dbline 47
; }
; 
; //写寄存器，参数，地址和数据	//config register
; void VS1011B_WriteCMD(unsigned char addr, unsigned int dat)
; {
	.dbline 48
; 	VS1011B_XDCS_H();
	sbi 0x1b,0
	.dbline 49
; 	VS1011B_XCS_L();
	cbi 0x1b,1
	.dbline 50
; 	VS1011B_WriteByte(0x02);
	ldi R16,2
	xcall _VS1011B_WriteByte
	.dbline 51
; 	VS1011B_WriteByte(addr);
	mov R16,R12
	xcall _VS1011B_WriteByte
	.dbline 52
; 	VS1011B_WriteByte(dat>>8);
	movw R16,R10
	mov R16,R17
	clr R17
	xcall _VS1011B_WriteByte
	.dbline 53
; 	VS1011B_WriteByte(dat);
	mov R16,R10
	xcall _VS1011B_WriteByte
	.dbline 54
; 	VS1011B_XCS_H();
	sbi 0x1b,1
	.dbline -2
L11:
	.dbline 0 ; func end
	xjmp pop_xgset003C
	.dbsym r dat 10 i
	.dbsym r addr 12 c
	.dbend
	.dbfunc e VS1011B_ReadCMD _VS1011B_ReadCMD fi
;           temp -> R10,R11
;           addr -> R10
	.even
_VS1011B_ReadCMD::
	st -y,R10
	st -y,R11
	mov R10,R16
	.dbline -1
	.dbline 59
; }
; 
; //读寄存器，参数 地址 返回内容	//read register
; unsigned int VS1011B_ReadCMD(unsigned char addr)
; {
	.dbline 61
; 	unsigned int temp;
; 	VS1011B_XDCS_H();
	sbi 0x1b,0
	.dbline 62
; 	VS1011B_XCS_L();
	cbi 0x1b,1
	.dbline 63
; 	VS1011B_WriteByte(0x03);
	ldi R16,3
	xcall _VS1011B_WriteByte
	.dbline 64
; 	VS1011B_WriteByte(addr);
	mov R16,R10
	xcall _VS1011B_WriteByte
	.dbline 65
; 	temp = VS1011B_ReadByte();
	xcall _VS1011B_ReadByte
	mov R10,R16
	clr R11
	.dbline 66
; 	temp <<= 8;
	mov R11,R10
	clr R10
	.dbline 67
; 	temp += VS1011B_ReadByte();
	xcall _VS1011B_ReadByte
	mov R2,R16
	clr R3
	add R10,R2
	adc R11,R3
	.dbline 68
; 	VS1011B_XCS_H();
	sbi 0x1b,1
	.dbline 69
; 	return temp;
	movw R16,R10
	.dbline -2
L12:
	.dbline 0 ; func end
	ld R11,y+
	ld R10,y+
	ret
	.dbsym r temp 10 i
	.dbsym r addr 10 c
	.dbend
	.dbfunc e VS1011B_WriteDAT _VS1011B_WriteDAT fV
;            dat -> R10
	.even
_VS1011B_WriteDAT::
	st -y,R10
	mov R10,R16
	.dbline -1
	.dbline 74
; }
; 
; //写数据，音乐数据		//write data (music data)
; void VS1011B_WriteDAT(unsigned char dat)
; {
	.dbline 75
; 	VS1011B_XDCS_L();
	cbi 0x1b,0
	.dbline 76
; 	VS1011B_WriteByte(dat);
	mov R16,R10
	xcall _VS1011B_WriteByte
	.dbline 77
; 	VS1011B_XDCS_H();
	sbi 0x1b,0
	.dbline 78
; 	VS1011B_XCS_H();
	sbi 0x1b,1
	.dbline -2
L13:
	.dbline 0 ; func end
	ld R10,y+
	ret
	.dbsym r dat 10 c
	.dbend
	.dbfunc e VS1011B_Init _VS1011B_Init fc
;            Tmp -> R10,R11
;          retry -> R20
	.even
_VS1011B_Init::
	xcall push_xgsetF03C
	.dbline -1
	.dbline 83
; }
; 
; // 1 means fail, 0 OK!
; unsigned char VS1011B_Init(void)
; {
	.dbline 86
; 	unsigned char retry;
; 	unsigned int Tmp;
; 	DDRB |= BIT(4)|BIT(5)|BIT(7);  //mega16，这些SPI端口要输出
	in R24,0x17
	ori R24,176
	out 0x17,R24
	.dbline 87
; 	DDRB &=~BIT(6); //MISO为输入方式 
	cbi 0x17,6
	.dbline 88
; 	SPI_CS_Deassert();  //释放MMC/SD卡
	sbi 0x18,4
	.dbline 89
; 	VS1011B_PORT_INI();
	in R24,0x1a
	ori R24,67
	out 0x1a,R24
	.dbline 90
; 	DDRA &=~BIT(VS1011B_DREQ); //DREQ为输入			
	cbi 0x1a,2
	.dbline 91
; 	PORTA|= BIT(VS1011B_DREQ); //DREQ=1
	sbi 0x1b,2
	.dbline 93
; 	
; 	VS1011B_XCS_H();
	sbi 0x1b,1
	.dbline 94
; 	VS1011B_XDCS_H();
	sbi 0x1b,0
	.dbline 95
; 	VS1011B_XRESET_L();
	cbi 0x1b,6
	.dbline 96
; 	Delay(2);
	ldi R16,2
	ldi R17,0
	xcall _Delay
	.dbline 97
; 	VS1011B_XRESET_H();//使能芯片	//chip select
	sbi 0x1b,6
	.dbline 98
; 	VS1011B_SPI_Low();//先以低频操作	//low speed
	xcall _VS1011B_SPI_Low
	.dbline 99
; 	Delay(2);
	ldi R16,2
	ldi R17,0
	xcall _Delay
	.dbline 100
; 	Delay(2);
	ldi R16,2
	ldi R17,0
	xcall _Delay
	.dbline 101
; 	retry=0;
	clr R20
	.dbline 103
; 	
; 	VS1011B_ReadCMD(0x03);
	ldi R16,3
	xcall _VS1011B_ReadCMD
	xjmp L16
L15:
	.dbline 105
; 	while(VS1011B_ReadCMD(0x03)!=CLOCK_REG)//写时钟寄存器	//set PLL register
; 	{
	.dbline 106
; 		VS1011B_WriteCMD(0x03,CLOCK_REG);
	ldi R18,12288
	ldi R19,48
	ldi R16,3
	xcall _VS1011B_WriteCMD
	.dbline 107
; 		if(retry++ >10 )return 1;
	mov R2,R20
	clr R3
	subi R20,255    ; addi 1
	ldi R24,10
	cp R24,R2
	brsh L18
X2:
	.dbline 107
	ldi R16,1
	xjmp L14
L18:
	.dbline 108
; 	}
L16:
	.dbline 104
	ldi R16,3
	xcall _VS1011B_ReadCMD
	cpi R16,0
	ldi R30,48
	cpc R17,R30
	brne L15
X3:
	.dbline 110
; 
; 	Delay(2);
	ldi R16,2
	ldi R17,0
	xcall _Delay
	.dbline 112
; 	
; 	VS1011B_WriteCMD(0x05,0xBB81);//0xBB81 AC45);
	ldi R18,48001
	ldi R19,187
	ldi R16,5
	xcall _VS1011B_WriteCMD
	.dbline 114
; 	
; 	retry=0;
	clr R20
	.dbline 115
; 	Tmp=CurVol*256+CurVol;
	lds R10,_CurVol
	mov R18,R10
	clr R19
	ldi R16,256
	ldi R17,1
	xcall empy16s
	movw R2,R16
	mov R4,R10
	clr R5
	add R2,R4
	adc R3,R5
	movw R10,R2
	xjmp L21
L20:
	.dbline 117
; 	while(VS1011B_ReadCMD(0x0b) != Tmp)//设音量	//set Volume
; 	{
	.dbline 118
; 		VS1011B_WriteCMD(0x0b,Tmp);
	movw R18,R10
	ldi R16,11
	xcall _VS1011B_WriteCMD
	.dbline 119
; 		if(retry++ >10 )return 2;
	mov R22,R20
	clr R23
	subi R20,255    ; addi 1
	ldi R24,10
	cp R24,R22
	brsh L23
X4:
	.dbline 119
	ldi R16,2
	xjmp L14
L23:
	.dbline 120
; 	}
L21:
	.dbline 116
	ldi R16,11
	xcall _VS1011B_ReadCMD
	movw R12,R16
	cp R16,R10
	cpc R17,R11
	brne L20
X5:
	.dbline 122
; 
; 	retry=0;
	clr R20
	.dbline 123
; 	Tmp=CurBass;
	lds R10,_CurBass
	clr R11
	xjmp L26
L25:
	.dbline 125
; 	while(VS1011B_ReadCMD(0x02)!=Tmp)//写低音寄存器	
; 	{
	.dbline 126
; 		VS1011B_WriteCMD(0x02,Tmp);
	movw R18,R10
	ldi R16,2
	xcall _VS1011B_WriteCMD
	.dbline 127
; 		if(retry++ >10 )return 1;
	mov R22,R20
	clr R23
	subi R20,255    ; addi 1
	ldi R24,10
	cp R24,R22
	brsh L28
X6:
	.dbline 127
	ldi R16,1
	xjmp L14
L28:
	.dbline 128
; 	}
L26:
	.dbline 124
	ldi R16,2
	xcall _VS1011B_ReadCMD
	movw R12,R16
	cp R16,R10
	cpc R17,R11
	brne L25
X7:
	.dbline 129
; 	Delay(2);
	ldi R16,2
	ldi R17,0
	xcall _Delay
	.dbline 131
; 	
; 	retry=0;
	clr R20
	xjmp L31
L30:
	.dbline 133
; 	while(VS1011B_ReadCMD(0x00) != 0x0800)//0x0800)//写mode寄存器	//set mode register
; 	{
	.dbline 134
; 		VS1011B_WriteCMD(0x00,0x0800);//0x0800);
	ldi R18,2048
	ldi R19,8
	clr R16
	xcall _VS1011B_WriteCMD
	.dbline 135
; 		if(retry++ >10 )return 3;//
	mov R22,R20
	clr R23
	subi R20,255    ; addi 1
	ldi R24,10
	cp R24,R22
	brsh L33
X8:
	.dbline 135
	ldi R16,3
	xjmp L14
L33:
	.dbline 136
; 	}
L31:
	.dbline 132
	clr R16
	xcall _VS1011B_ReadCMD
	movw R22,R16
	cpi R16,0
	ldi R30,8
	cpc R17,R30
	brne L30
X9:
	.dbline 138
; 
; 	Delay(2);
	ldi R16,2
	ldi R17,0
	xcall _Delay
	.dbline 140
; 
; 	VS1011B_SoftReset();
	xcall _VS1011B_SoftReset
	.dbline 141
; 	VS1011B_SPI_High();
	xcall _VS1011B_SPI_High
	.dbline 142
; 	return 0;
	clr R16
	.dbline -2
L14:
	.dbline 0 ; func end
	xjmp pop_xgsetF03C
	.dbsym r Tmp 10 i
	.dbsym r retry 20 c
	.dbend
	.dbfunc e VS1011B_SoftReset _VS1011B_SoftReset fV
	.even
_VS1011B_SoftReset::
	.dbline -1
	.dbline 147
; }
; 
; //VS1003软件复位	//VS1003 soft reset
; void VS1011B_SoftReset(void)
; {
	.dbline 148
; 	VS1011B_WriteCMD(0x00,0x0804);//写复位		//reset
	ldi R18,2052
	ldi R19,8
	clr R16
	xcall _VS1011B_WriteCMD
	.dbline 149
; 	Delay(2);//延时，至少1.35ms //wait at least 1.35ms
	ldi R16,2
	ldi R17,0
	xcall _Delay
	.dbline 150
; 	DDRA &=~BIT(VS1011B_DREQ); //DREQ为输入			
	cbi 0x1a,2
	.dbline 151
; 	PORTA|= BIT(VS1011B_DREQ); //DREQ=1
	sbi 0x1b,2
	.dbline -2
L35:
	.dbline 0 ; func end
	ret
	.dbend
; }
💿 文件大小 279 K
👤 上传用户 haowoainime
📂 所属分类单片机开发
🏷️ 相关标签

#1011B #Mega #1011 #Mp3
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