spi.lst

ISD1720芯片实现录音,定点录音,播放,定点播放等.

__text_start:
__start:
    002A E5CF      LDI	R28,0x5F
    002B E0D4      LDI	R29,4
    002C BFCD      OUT	0x3D,R28
    002D BFDE      OUT	0x3E,R29
    002E 51C0      SUBI	R28,0x10
    002F 40D0      SBCI	R29,0
    0030 EA0A      LDI	R16,0xAA
    0031 8308      STD	Y+0,R16
    0032 2400      CLR	R0
    0033 E6E0      LDI	R30,0x60
    0034 E0F0      LDI	R31,0
    0035 E010      LDI	R17,0
    0036 36E0      CPI	R30,0x60
    0037 07F1      CPC	R31,R17
    0038 F011      BEQ	0x003B
    0039 9201      ST	R0,Z+
    003A CFFB      RJMP	0x0036
    003B 8300      STD	Z+0,R16
    003C E5E4      LDI	R30,0x54
    003D E0F0      LDI	R31,0
    003E E6A0      LDI	R26,0x60
    003F E0B0      LDI	R27,0
    0040 E010      LDI	R17,0
    0041 35E4      CPI	R30,0x54
    0042 07F1      CPC	R31,R17
    0043 F021      BEQ	0x0048
    0044 95C8      LPM
    0045 9631      ADIW	R30,1
    0046 920D      ST	R0,X+
    0047 CFF9      RJMP	0x0041
    0048 940E029D  CALL	_main
_exit:
    004A CFFF      RJMP	_exit
FILE: E:\写的程序\AVR(C)\1602显示.c
(0001) #include <iom16v.h>
(0002) #include <macros.h>
(0003) 
(0004) //定义MCU与LCD的接口
(0005) #define LCD_EN_PORT    PORTC
(0006) #define LCD_RW_PORT    PORTC  
(0007) #define LCD_RS_PORT    PORTC
(0008) #define LCD_DATA_PORT  PORTA
(0009) #define LCD_DATA_DDR   DDRA
(0010) #define LCD_DATA_PIN   PINA
(0011) 
(0012) #define LCD_EN         0x80   //portC7         out
(0013) #define LCD_RW         0x40   //portC6         out/in
(0014) #define LCD_RS         0x20   //portC5         out
(0015) #define LCD_DATA       0xf0   //porta4/5/6/7   out
(0016) 
(0017) /*-----------------------------------------------------------------------
(0018) 延时函数
(0019) 系统时钟：8M
(0020) -----------------------------------------------------------------------*/
(0021) void delay_1us(void)                 //1us延时函数
(0022)   {
(0023)    asm("nop");
_delay_1us:
    004B 0000      NOP
    004C 9508      RET
_delay_nus:
  i                    --> R20
  n                    --> R22
    004D 940E0335  CALL	push_gset2
    004F 01B8      MOVW	R22,R16
(0024)   }
(0025) 
(0026) void delay_nus(unsigned int n)       //N us延时函数
(0027)   {
(0028)    unsigned int i=0;
    0050 2744      CLR	R20
    0051 2755      CLR	R21
(0029)    for (i=0;i<n;i++)
    0052 C003      RJMP	0x0056
(0030)    delay_1us();
    0053 DFF7      RCALL	_delay_1us
    0054 5F4F      SUBI	R20,0xFF
    0055 4F5F      SBCI	R21,0xFF
    0056 1746      CP	R20,R22
    0057 0757      CPC	R21,R23
    0058 F3D0      BCS	0x0053
    0059 940E0326  CALL	pop_gset2
    005B 9508      RET
(0031)   }
(0032)   
(0033) void delay_1ms(void)                 //1ms延时函数
(0034)   {
(0035)    unsigned int i;
(0036)    for (i=0;i<1140;i++);
_delay_1ms:
  i                    --> R16
    005C 2700      CLR	R16
    005D 2711      CLR	R17
    005E C002      RJMP	0x0061
    005F 5F0F      SUBI	R16,0xFF
    0060 4F1F      SBCI	R17,0xFF
    0061 3704      CPI	R16,0x74
    0062 E0E4      LDI	R30,4
    0063 071E      CPC	R17,R30
    0064 F3D0      BCS	0x005F
    0065 9508      RET
_delay_nms:
  i                    --> R20
  n                    --> R22
    0066 940E0335  CALL	push_gset2
    0068 01B8      MOVW	R22,R16
(0037)   }
(0038)   
(0039) void delay_nms(unsigned int n)       //N ms延时函数
(0040)   {
(0041)    unsigned int i=0;
    0069 2744      CLR	R20
    006A 2755      CLR	R21
(0042)    for (i=0;i<n;i++)
    006B C003      RJMP	0x006F
(0043)    delay_1ms();
    006C DFEF      RCALL	_delay_1ms
    006D 5F4F      SUBI	R20,0xFF
    006E 4F5F      SBCI	R21,0xFF
    006F 1746      CP	R20,R22
    0070 0757      CPC	R21,R23
    0071 F3D0      BCS	0x006C
    0072 940E0326  CALL	pop_gset2
    0074 9508      RET
(0044)   }
(0045) 
(0046) /*--------------------------------------------------------------------------------------------------
(0047) Public function prototypes
(0048) --------------------------------------------------------------------------------------------------*/
(0049) void LCD_init(void);
(0050) void LCD_en_write(void);
(0051) void LCD_write_char(unsigned command,unsigned data);
(0052) void LCD_wait_Ready(void);
(0053) void LCD_set_xy(unsigned char x, unsigned char y);
(0054) void LCD_write_string(unsigned char X,unsigned char Y,unsigned char *s);
(0055) void delay_nus(unsigned int n);
(0056) void delay_nms(unsigned int n);
(0057) 
(0058) /**********************************************************
(0059) 光标命令
(0060) LCD_write_char(0x0e,0);    //光标开
(0061) LCD_write_char(0x0d,0);    //光标所在字符闪烁  
(0062) LCD_write_char(0x0c,0);    //光标关  
(0063) **********************************************************/
(0064) /**********************************************************
(0065) TC1602B LCD DISPLAY
(0066) LCD_write函数功能：当command＝0时，向LCD写入数据，否则向LCD写
(0067)                    入命令
(0068) LCD第一行显示寄存器地址：0X80-0X8F
(0069) LCD第二行显示寄存器地址：0XC0-0XCF
(0070) **********************************************************/
(0071) void LCD_init(void)
(0072)   {
(0073)    	DDRA=0XFF;			//设置PA输出
_LCD_init:
    0075 EF8F      LDI	R24,0xFF
    0076 BB8A      OUT	0x1A,R24
(0074) 	PORTA=0XFF;			//全部加上上拉电阻
    0077 BB8B      OUT	0x1B,R24
(0075) 	DDRC=0XFF;			//设置PC为输出
    0078 BB84      OUT	0x14,R24
(0076) 	PORTC=0XFF;			//全部加上上拉电阻
    0079 BB85      OUT	0x15,R24
(0077) 	delay_nms(15);
    007A E00F      LDI	R16,0xF
    007B E010      LDI	R17,0
    007C DFE9      RCALL	_delay_nms
(0078)     LCD_write_char(0x28,0);      //4bit test
    007D 2722      CLR	R18
    007E 2733      CLR	R19
    007F E208      LDI	R16,0x28
    0080 E010      LDI	R17,0
    0081 D016      RCALL	_LCD_write_char
(0079)     LCD_write_char(0x0c,0);      //显示开
    0082 2722      CLR	R18
    0083 2733      CLR	R19
    0084 E00C      LDI	R16,0xC
    0085 E010      LDI	R17,0
    0086 D011      RCALL	_LCD_write_char
(0080)     LCD_write_char(0x01,0);      //显示清屏
    0087 2722      CLR	R18
    0088 2733      CLR	R19
    0089 E001      LDI	R16,1
    008A E010      LDI	R17,0
    008B D00C      RCALL	_LCD_write_char
(0081)     LCD_write_char(0x06,0);      //显示光标移动设置
    008C 2722      CLR	R18
    008D 2733      CLR	R19
    008E E006      LDI	R16,6
    008F E010      LDI	R17,0
    0090 D007      RCALL	_LCD_write_char
    0091 9508      RET
(0082)   }
(0083) 
(0084) void LCD_en_write(void)        //EN端产生一个高电平脉冲，写LCD
(0085)   {
(0086)     LCD_EN_PORT |= LCD_EN;
_LCD_en_write:
    0092 9AAF      SBI	0x15,7
(0087)     delay_nus(1);
    0093 E001      LDI	R16,1
    0094 E010      LDI	R17,0
    0095 DFB7      RCALL	_delay_nus
(0088)     LCD_EN_PORT &= ~LCD_EN;
    0096 98AF      CBI	0x15,7
    0097 9508      RET
_LCD_write_char:
  data_temp            --> R22
  command_temp         --> R20
  data                 --> R12
  command              --> R10
    0098 940E0331  CALL	push_gset4
    009A 0169      MOVW	R12,R18
    009B 0158      MOVW	R10,R16
(0089)   }
(0090) 
(0091) /*-----------------------------------------------------------------------
(0092) LCD_write_char    : 英文字符串显示函数
(0093) 
(0094) 输入参数：*s      ：英文字符串指针；
(0095)           X、Y    : 显示字符串的位置，X:0-15，Y:0-1
(0096)                     LCD第一行显示寄存器地址：0X80-0X8F
(0097)                     LCD第一行显示寄存器地址：0XC0-0XCF
(0098) -----------------------------------------------------------------------*/
(0099) void LCD_write_char(unsigned command,unsigned data)
(0100)   {
(0101)     unsigned command_temp,data_temp;        
(0102)     command_temp = command;
    009C 01A5      MOVW	R20,R10
(0103)     data_temp = data;
    009D 01B6      MOVW	R22,R12
(0104)     LCD_wait_Ready();
    009E D04F      RCALL	_LCD_wait_Ready
(0105)     LCD_RW_PORT &= ~LCD_RW;                 //RW=0
    009F 98AE      CBI	0x15,6
(0106)     if (command == 0)
    00A0 3040      CPI	R20,0
    00A1 0745      CPC	R20,R21
    00A2 F469      BNE	0x00B0
(0107)       {
(0108)      LCD_RS_PORT |= LCD_RS;             //RS=1 
    00A3 9AAD      SBI	0x15,5
(0109)      LCD_DATA_PORT &= 0X0F;
    00A4 B38B      IN	R24,0x1B
    00A5 708F      ANDI	R24,0xF
    00A6 BB8B      OUT	0x1B,R24
(0110)   LCD_DATA_PORT|= data_temp&0xf0;   //send high 4bit   gai f
    00A7 01CB      MOVW	R24,R22
    00A8 7F80      ANDI	R24,0xF0
    00A9 7090      ANDI	R25,0
    00AA B22B      IN	R2,0x1B
    00AB 2433      CLR	R3
    00AC 2A28      OR	R2,R24
    00AD 2A39      OR	R3,R25
    00AE BA2B      OUT	0x1B,R2
(0111)       }
    00AF C00C      RJMP	0x00BC
(0112)     else 
(0113)       {
(0114)   LCD_RS_PORT &= ~LCD_RS;            //RS=0
    00B0 98AD      CBI	0x15,5
(0115)   LCD_DATA_PORT &= 0X0F;          
    00B1 B38B      IN	R24,0x1B
    00B2 708F      ANDI	R24,0xF
    00B3 BB8B      OUT	0x1B,R24
(0116)          LCD_DATA_PORT |= command_temp&0xf0;//send high 4bit   gai f
    00B4 01CA      MOVW	R24,R20
    00B5 7F80      ANDI	R24,0xF0
    00B6 7090      ANDI	R25,0
    00B7 B22B      IN	R2,0x1B
    00B8 2433      CLR	R3
    00B9 2A28      OR	R2,R24
    00BA 2A39      OR	R3,R25
    00BB BA2B      OUT	0x1B,R2
(0117)       }
(0118)     LCD_en_write();
    00BC DFD5      RCALL	_LCD_en_write
(0119)     command_temp=command_temp << 4;         //send low 4bit
    00BD 0F44      LSL	R20
    00BE 1F55      ROL	R21
    00BF 0F44      LSL	R20
    00C0 1F55      ROL	R21
    00C1 0F44      LSL	R20
    00C2 1F55      ROL	R21
    00C3 0F44      LSL	R20
    00C4 1F55      ROL	R21
(0120)     data_temp=data_temp       << 4;
    00C5 0F66      LSL	R22
    00C6 1F77      ROL	R23
    00C7 0F66      LSL	R22
    00C8 1F77      ROL	R23
    00C9 0F66      LSL	R22
    00CA 1F77      ROL	R23
    00CB 0F66      LSL	R22
    00CC 1F77      ROL	R23
(0121)     LCD_DATA_PORT &= 0X0F;
    00CD B38B      IN	R24,0x1B
    00CE 708F      ANDI	R24,0xF
    00CF BB8B      OUT	0x1B,R24
(0122)     if (command==0)
    00D0 20AA      TST	R10
    00D1 F459      BNE	0x00DD
    00D2 20BB      TST	R11
    00D3 F449      BNE	0x00DD
(0123)       LCD_DATA_PORT |= data_temp&0xf0;
    00D4 01CB      MOVW	R24,R22
    00D5 7F80      ANDI	R24,0xF0
    00D6 7090      ANDI	R25,0
    00D7 B22B      IN	R2,0x1B
    00D8 2433      CLR	R3
    00D9 2A28      OR	R2,R24
    00DA 2A39      OR	R3,R25
    00DB BA2B      OUT	0x1B,R2
    00DC C008      RJMP	0x00E5
(0124)     else
(0125)       LCD_DATA_PORT |= command_temp&0xf0;
    00DD 01CA      MOVW	R24,R20
    00DE 7F80      ANDI	R24,0xF0
    00DF 7090      ANDI	R25,0
    00E0 B22B      IN	R2,0x1B
    00E1 2433      CLR	R3
    00E2 2A28      OR	R2,R24
    00E3 2A39      OR	R3,R25
    00E4 BA2B      OUT	0x1B,R2
(0126)     LCD_en_write();
    00E5 DFAC      RCALL	_LCD_en_write
(0127)     LCD_RW_PORT |= LCD_RW;
    00E6 9AAE      SBI	0x15,6
(0128)     LCD_RS_PORT ^= LCD_RS;    
    00E7 E280      LDI	R24,0x20
    00E8 B225      IN	R2,0x15
    00E9 2628      EOR	R2,R24
    00EA BA25      OUT	0x15,R2
    00EB 940E032C  CALL	pop_gset4
    00ED 9508      RET
(0129)   }
(0130) 
(0131) void LCD_wait_Ready(void)                  //等待LCD空闲
(0132)   {
(0133)     LCD_DATA_DDR &= ~0x80;                 //PA7 I/O口方向设置为输入   
_LCD_wait_Ready:
    00EE 98D7      CBI	0x1A,7
(0134)     LCD_RW_PORT |= LCD_RW;                 //RW=1
    00EF 9AAE      SBI	0x15,6
(0135)     LCD_RS_PORT &= ~LCD_RS;                //RS=0
    00F0 98AD      CBI	0x15,5
(0136)     LCD_EN_PORT |= LCD_EN;                 //EN=1
    00F1 9AAF      SBI	0x15,7
(0137)     while (!( LCD_DATA_PIN&0x80 ) == 0);   //RW=1,读PA7，为0表示空闲；
    00F2 99CF      SBIC	0x19,7
    00F3 C003      RJMP	0x00F7
    00F4 E001      LDI	R16,1
    00F5 E010      LDI	R17,0
    00F6 C002      RJMP	0x00F9
    00F7 2700      CLR	R16
    00F8 2711      CLR	R17
    00F9 3000      CPI	R16,0
    00FA 0701      CPC	R16,R17
    00FB F3B1      BEQ	0x00F2
(0138)     LCD_EN_PORT &= ~LCD_EN;                //EN=0
    00FC 98AF      CBI	0x15,7
(0139)     LCD_DATA_DDR |= 0xf0;
    00FD B38A      IN	R24,0x1A
    00FE 6F80      ORI	R24,0xF0
    00FF BB8A      OUT	0x1A,R24
    0100 9508      RET
_LCD_set_xy:
  address              --> R20
  y                    --> R20
  x                    --> R22
    0101 940E0335  CALL	push_gset2
    0103 2F42      MOV	R20,R18
    0104 2F60      MOV	R22,R16
(0140)   }
(0141) 
(0142) /*-----------------------------------------------------------------------
(0143) LCD_set_xy        : 设置LCD显示的起始位置
(0144) 
(0145) 输入参数：x、y    : 显示字符串的位置，X:0-15，Y:0-1
(0146)                     LCD第一行显示寄存器地址：0X80-0X8F
(0147)                     LCD第一行显示寄存器地址：0XC0-0XCF
(0148) -----------------------------------------------------------------------*/
(0149) void LCD_set_xy( unsigned char x, unsigned char y )
(0150)   {
(0151)     unsigned char address;
(0152)     if (y == 0) address = 0x80 + x;
    0105 2344      TST	R20
    0106 F419      BNE	0x010A
    0107 2F46      MOV	R20,R22
    0108 5840      SUBI	R20,0x80
    0109 C002      RJMP	0x010C
(0153)     else 
(0154)        address = 0xc0 + x;
    010A 2F46      MOV	R20,R22
    010B 5440      SUBI	R20,0x40