pc_8515.lst

单片机开发资料光盘-双龙-686M.zip

__start:
__text_start:
    009E E5CF      LDI	R28,0x5F
    009F E0D2      LDI	R29,2
    00A0 BFCD      OUT	P3D,R28
    00A1 BFDE      OUT	P3E,R29
    00A2 51C0      SUBI	R28,0x10
    00A3 40D0      SBCI	R29,0
    00A4 EA0A      LDI	R16,0xAA
    00A5 8308      STD	R16,0+Y
    00A6 2400      CLR	R0
    00A7 E7E1      LDI	R30,0x71
    00A8 E0F0      LDI	R31,0
    00A9 E010      LDI	R17,0
    00AA 3BE8      CPI	R30,0xB8
    00AB 07F1      CPC	R31,R17
    00AC F011      BEQ	0x00AF
    00AD 9201      ST	R0,Z+
    00AE CFFB      RJMP	0x00AA
    00AF 8300      STD	R16,0+Z
    00B0 E2EA      LDI	R30,0x2A
    00B1 E0F1      LDI	R31,1
    00B2 E6A0      LDI	R26,0x60
    00B3 E0B0      LDI	R27,0
    00B4 E011      LDI	R17,1
    00B5 33EB      CPI	R30,0x3B
    00B6 07F1      CPC	R31,R17
    00B7 F021      BEQ	0x00BC
    00B8 95C8      LPM
    00B9 9631      ADIW	R30,1
    00BA 920D      ST	R0,X+
    00BB CFF9      RJMP	0x00B5
    00BC D00C      RCALL	_main
_exit:
    00BD CFFF      RJMP	_exit
FILE: D:\ICC-AVR\examples.sl\pc_8515\pc_8515.c
(0001) /*******************************************/
(0002) /*             PC机键盘演示程序            */
(0003) /*           广州双龙电子有限公司          */
(0004) /*           http://www.sl.com.cn          */
(0005) /*               作者：詹卫前              */
(0006) /*          MCU:AT90S8515 晶振:8MHZ        */
(0007) /*  使用ICCAVR的终端调试窗口观察PC键盘数据 */
(0008) /*          连线说明:SL-AVR+               */
(0009) /*			1、PC键盘clock--PD.2		   */
(0010) /*			2、PC键盘data---PD.3		   */
(0011) /*			3、D232.T-------PD.1		   */
(0012) /*			4、D232.R-------PD.0		   */
(0013) /*******************************************/
(0014) #include<io8515.h>
(0015) #include<stdio.h>
(0016) extern unsigned char get_char(void);
(0017) extern void init_kb(void);
(0018) //UART初始化
(0019) void uart0_init(void)
(0020) 	 {
(0021)  	  UCR  = 0x00;
_uart0_init:
    00BE 2422      CLR	R2
    00BF B82A      OUT	P0A,R2
(0022)  	  UBRR = 0x19;//BAUD=19200
    00C0 E189      LDI	R24,0x19
    00C1 B989      OUT	P09,R24
(0023)  	  UCR|=(1<<TXEN) ;//使能发送
    00C2 9A53      SBI	P0A,3
(0024)  	 }
    00C3 9508      RET
(0025) //端口初始化	 
(0026) void port_init(void)
(0027) 	 {
(0028) 	  DDRD=0x02;
_port_init:
    00C4 E082      LDI	R24,2
    00C5 BB81      OUT	P11,R24
(0029) 	  PORTD=0xff;
    00C6 EF8F      LDI	R24,0xFF
    00C7 BB82      OUT	P12,R24
(0030) 	 }
    00C8 9508      RET
(0031) //PC键盘演示程序,SHIFT键和按键同时按下时为大写 
(0032) void main(void)
(0033) 	 {
(0034) 	  unsigned char key;
(0035) 	  port_init();
_main:
  key                  --> R20
    00C9 DFFA      RCALL	_port_init
(0036) 	  uart0_init();
    00CA DFF3      RCALL	_uart0_init
(0037) 	  init_kb();
    00CB D045      RCALL	_init_kb
(0038) 	  puts("PC键盘演示程序");
    00CC E600      LDI	R16,0x60
    00CD E010      LDI	R17,0
    00CE D15E      RCALL	_puts
(0039) 	  putchar(0x0d);
    00CF E00D      LDI	R16,0xD
    00D0 D147      RCALL	_putchar
    00D1 C00D      RJMP	0x00DF
(0040) 	  while(1)
(0041) 	  		 {
(0042) 			  key=get_char();
    00D2 D022      RCALL	_get_char
    00D3 2F40      MOV	R20,R16
(0043) 			  if(key!=0) 
    00D4 2300      TST	R16
    00D5 F049      BEQ	0x00DF
(0044) 			      {
(0045) 				   if (key==0x0d)//回车键处理
    00D6 300D      CPI	R16,0xD
    00D7 F429      BNE	0x00DD
(0046) 				      {					   
(0047) 					   putchar('\n');
    00D8 E00A      LDI	R16,0xA
    00D9 D13E      RCALL	_putchar
(0048) 					   putchar(key);					   
    00DA 2F04      MOV	R16,R20
    00DB D13C      RCALL	_putchar
(0049) 					  }
    00DC C002      RJMP	0x00DF
(0050) 				   else				   	  
(0051) 				   	  putchar(key);
    00DD 2F04      MOV	R16,R20
    00DE D139      RCALL	_putchar
(0052) 				  }
(0053) 			 }	  
    00DF CFF2      RJMP	0x00D2
(0054) 	 }	 	 
    00E0 9508      RET
FILE: D:\ICC-AVR\examples.sl\pc_8515\kbc.c
(0001) #include <io8515.h>
(0002) #include <macros.h>
(0003) #include "pindefs.h"
(0004) #include "scancodes.h"
(0005) #define BUFF_SIZE 64
(0006) //const ascii[16]={0x30,0x31,0x32,0x33,0x34,0x35,0x36,0x37,0x38,
(0007) //                 0x39,0x41,0x42,0x43,0x44,0x45,0x46};
(0008) unsigned char bitcount;//PC键盘数据长度计数 
(0009) unsigned char kb_buffer[BUFF_SIZE];//键盘缓冲区
(0010) unsigned char input=0;//缓冲区读指针
(0011) unsigned char output=0;//缓冲区写指针
(0012) //送键盘按键ASCII码到键盘缓冲区
(0013) void put_kbbuff(unsigned char c)
(0014)  {
(0015)   kb_buffer[input]=c;
_put_kbbuff:
  c                    --> R16
    00E1 E785      LDI	R24,0x75
    00E2 E090      LDI	R25,0
    00E3 91E0006F  LDS	R30,0x6F
    00E5 27FF      CLR	R31
    00E6 0FE8      ADD	R30,R24
    00E7 1FF9      ADC	R31,R25
    00E8 8300      STD	R16,0+Z
(0016)   if (input<(BUFF_SIZE-1))
    00E9 9180006F  LDS	R24,0x6F
    00EB 338F      CPI	R24,0x3F
    00EC F420      BCC	0x00F1
(0017)      input++; 
    00ED 5F8F      SUBI	R24,0xFF
    00EE 9380006F  STS	R24,0x6F
    00F0 C003      RJMP	0x00F4
(0018)   else
(0019)      input=0;	 
    00F1 2422      CLR	R2
    00F2 9220006F  STS	R2,0x6F
(0020)  }
    00F4 9508      RET
(0021) //从键盘缓冲区读取按键的ASCII码 
(0022) unsigned char get_char(void)
(0023)   {
(0024)    unsigned char temp;
(0025)    if(output==input)
_get_char:
  temp                 --> R16
    00F5 9020006F  LDS	R2,0x6F
    00F7 90300070  LDS	R3,0x70
    00F9 1432      CP	R3,R2
    00FA F411      BNE	0x00FD
(0026)        return 0;
    00FB 2700      CLR	R16
    00FC C013      RJMP	0x0110
(0027)    else
(0028)       {
(0029) 	   temp=kb_buffer[output];
    00FD E785      LDI	R24,0x75
    00FE E090      LDI	R25,0
    00FF 91E00070  LDS	R30,0x70
    0101 27FF      CLR	R31
    0102 0FE8      ADD	R30,R24
    0103 1FF9      ADC	R31,R25
    0104 8100      LDD	R16,0+Z
(0030) 	   if(output<(BUFF_SIZE-1))
    0105 91800070  LDS	R24,0x70
    0107 338F      CPI	R24,0x3F
    0108 F420      BCC	0x010D
(0031) 	     {
(0032) 		  output++;
    0109 5F8F      SUBI	R24,0xFF
    010A 93800070  STS	R24,0x70
(0033) 		 }
    010C C003      RJMP	0x0110
(0034) 	   else
(0035) 	     output=0;
    010D 2422      CLR	R2
    010E 92200070  STS	R2,0x70
(0036) 	   return temp;	  
    0110 9508      RET
(0037) 	  }	     
(0038)   }
(0039) //为运行读取PC键盘程序进行初始化  
(0040) void init_kb(void)
(0041)     {
(0042) 	 MCUCR=0x02;//设置8515的INT0为下降沿触发中断 
_init_kb:
    0111 E082      LDI	R24,2
    0112 BF85      OUT	P35,R24
(0043)      GIMSK|=(1<<INT0);//使能INT0中断
    0113 B78B      IN	R24,P3B
    0114 6480      ORI	R24,0x40
    0115 BF8B      OUT	P3B,R24
(0044)      SEI(); //开中断
    0116 9478      BSET	7
(0045)      bitcount = 11;
    0117 E08B      LDI	R24,0xB
    0118 938000B5  STS	R24,_bitcount
(0046)     }
    011A 9508      RET
_decode:
  i                    --> R20
  sc                   --> R22
    011B D0F7      RCALL	push_gset3
    011C 2F60      MOV	R22,R16
(0047) //对PC键盘的扫描码进行解码	
(0048) void decode(unsigned char sc)
(0049)     {
(0050)       static unsigned char shift,up,shiftup;
(0051) 	  unsigned char i;
(0052) 	  if (sc==0xf0)//按键释放
    011D 3F60      CPI	R22,0xF0
    011E F421      BNE	0x0123
(0053) 	      {
(0054) 		   up=1;
    011F E081      LDI	R24,1
    0120 93800072  STS	R24,0x72
(0055) 		   return;
    0122 C06C      RJMP	0x018F
(0056) 		  }
(0057) 	  if (up==1)//SHIF键开关
    0123 91800072  LDS	R24,0x72
    0125 3081      CPI	R24,1
    0126 F501      BNE	0x0147
(0058) 	  	  {
(0059) 		   up=0;
    0127 2422      CLR	R2
    0128 92200072  STS	R2,0x72
(0060) 		   if ((sc==0x12)|(sc==0x59)) shift=0;
    012A 3162      CPI	R22,0x12
    012B F429      BNE	0x0131
    012C E081      LDI	R24,1
    012D E090      LDI	R25,0
    012E 2EA8      MOV	R10,R24
    012F 2EB9      MOV	R11,R25
    0130 C002      RJMP	0x0133
    0131 24AA      CLR	R10
    0132 24BB      CLR	R11
    0133 3569      CPI	R22,0x59
    0134 F419      BNE	0x0138
    0135 E041      LDI	R20,1
    0136 E050      LDI	R21,0
    0137 C002      RJMP	0x013A
    0138 2744      CLR	R20
    0139 2755      CLR	R21
    013A 2C2A      MOV	R2,R10
    013B 2C3B      MOV	R3,R11
    013C 2A24      OR	R2,R20
    013D 2A35      OR	R3,R21
    013E 2022      TST	R2
    013F F419      BNE	0x0143
    0140 2033      TST	R3
    0141 F409      BNE	0x0143
    0142 C04C      RJMP	0x018F
    0143 2422      CLR	R2
    0144 92200071  STS	R2,0x71
(0061) 		   return;
    0146 C048      RJMP	0x018F
(0062) 		  }	  	   
(0063) 	  switch (sc)
    0147 2F46      MOV	R20,R22
    0148 2755      CLR	R21
    0149 3142      CPI	R20,0x12
    014A E0E0      LDI	R30,0
    014B 075E      CPC	R21,R30
    014C F049      BEQ	0x0156
    014D 3142      CPI	R20,0x12
    014E E0E0      LDI	R30,0
    014F 075E      CPC	R21,R30
    0150 F03C      BLT	0x0158
    0151 3549      CPI	R20,0x59
    0152 E0E0      LDI	R30,0
    0153 075E      CPC	R21,R30
    0154 F011      BEQ	0x0157
    0155 C002      RJMP	0x0158
(0064) 	    {
(0065) 		 case 0x12:{//检测左SHIF键
(0066) 					shift=1;		
    0156 D0FC      RCALL	0x0253
    0157 D0FB      RCALL	0x0253
(0067) 					shiftup=1;
(0068) 		           }		           
(0069) 		 case 0x59:{//检测右SHIF键
(0070) 				    shift=1;	
(0071) 					shiftup=1;