adc.lst

双龙公司mega8芯片ad转换程序例程。

__start:
__text_start:
    001D E5CF      LDI	R28,0x5F
    001E E0D4      LDI	R29,4
    001F BFCD      OUT	0x3D,R28
    0020 BFDE      OUT	0x3E,R29
    0021 51C0      SUBI	R28,0x10
    0022 40D0      SBCI	R29,0
    0023 EA0A      LDI	R16,0xAA
    0024 8308      STD	Y+0,R16
    0025 2400      CLR	R0
    0026 E6E4      LDI	R30,0x64
    0027 E0F0      LDI	R31,0
    0028 E010      LDI	R17,0
    0029 36E7      CPI	R30,0x67
    002A 07F1      CPC	R31,R17
    002B F011      BEQ	0x002E
    002C 9201      ST	R0,Z+
    002D CFFB      RJMP	0x0029
    002E 8300      STD	Z+0,R16
    002F E3E6      LDI	R30,0x36
    0030 E0F0      LDI	R31,0
    0031 E6A0      LDI	R26,0x60
    0032 E0B0      LDI	R27,0
    0033 E010      LDI	R17,0
    0034 33EA      CPI	R30,0x3A
    0035 07F1      CPC	R31,R17
    0036 F021      BEQ	0x003B
    0037 95C8      LPM
    0038 9631      ADIW	R30,1
    0039 920D      ST	R0,X+
    003A CFF9      RJMP	0x0034
    003B D09F      RCALL	_main
_exit:
    003C CFFF      RJMP	_exit
FILE: E:\icc\iccavr\mega8\mega8\ADC\numled.c
(0001) /*******************************************/
(0002) /*            广州天河双龙电子公司         */
(0003) /*            http://www.sl.com.cn         */
(0004) /*              数码LED驱动程序            */
(0005) /*            作者:[e-mail]          */
(0006) /*                2002年5月11日            */
(0007) /*   目标MCU:MEGA8   晶振:内部RC(INT) 8MHZ */
(0008) /*******************************************/
(0009) #include<iom8v.h> 
(0010) const unsigned char seg_table[16]={0xc0,0xf9,0xa4,0xb0,0x99,0x92,
(0011) 0x82,0xf8,0x80,0x90,0x88,0x83,0xc6,0xa1,0x86,0x8e};
(0012) unsigned char led_buff[4]={0,0,0,0};
(0013) /*				微秒级延时程序	  		*/
(0014) void delay_us(int time)
(0015) 	 {     
(0016)   	  do
(0017) 	  	{
(0018) 		 time--;
_delay_us:
  time                 --> R16
    003D 5001      SUBI	R16,1
    003E 4010      SBCI	R17,0
(0019) 		}	
(0020)   	  while (time>1);
    003F E081      LDI	R24,1
    0040 E090      LDI	R25,0
    0041 1780      CP	R24,R16
    0042 0791      CPC	R25,R17
    0043 F3CC      BLT	0x003D
(0021) 	 }	  
    0044 9508      RET
_delay_ms:
  time                 --> R20
    0045 D1A9      RCALL	push_gset1
    0046 01A8      MOVW	R20,R16
(0022) /*	  		    毫秒级延时程序			*/	 
(0023) void delay_ms(unsigned int time)
(0024) 	 {
    0047 C005      RJMP	0x004D
(0025) 	  while(time!=0)
(0026) 	  	  {		
(0027) 		   delay_us(1000);
    0048 EE08      LDI	R16,0xE8
    0049 E013      LDI	R17,3
    004A DFF2      RCALL	_delay_us
(0028) 		   time--;
    004B 5041      SUBI	R20,1
    004C 4050      SBCI	R21,0
    004D 3040      CPI	R20,0
    004E 0745      CPC	R20,R21
    004F F7C1      BNE	0x0048
(0029) 		  }
(0030) 	 }					
    0050 D1A1      RCALL	pop_gset1
    0051 9508      RET
_display:
  i                    --> R20
    0052 D19C      RCALL	push_gset1
(0031) void display(void)
(0032) 	 {
(0033) 	  unsigned char i;
(0034) 	  DDRB=0xff;
    0053 EF8F      LDI	R24,0xFF
    0054 BB87      OUT	0x17,R24
(0035) 	  PORTB=0xff;
    0055 BB88      OUT	0x18,R24
(0036) 	  DDRD|=0xf0;
    0056 B381      IN	R24,0x11
    0057 6F80      ORI	R24,0xF0
    0058 BB81      OUT	0x11,R24
(0037) 	  PORTD|=0xf0;
    0059 B382      IN	R24,0x12
    005A 6F80      ORI	R24,0xF0
    005B BB82      OUT	0x12,R24
(0038) 	  for(i=0;i<4;i++)
    005C 2744      CLR	R20
    005D C018      RJMP	0x0076
(0039) 	  	 {		  
(0040) 		  PORTB=led_buff[i];
    005E E680      LDI	R24,0x60
    005F E090      LDI	R25,0
    0060 2FE4      MOV	R30,R20
    0061 27FF      CLR	R31
    0062 0FE8      ADD	R30,R24
    0063 1FF9      ADC	R31,R25
    0064 8020      LDD	R2,Z+0
    0065 BA28      OUT	0x18,R2
(0041) 		  PORTD&=~(1<<(i+4));
    0066 2F14      MOV	R17,R20
    0067 5F1C      SUBI	R17,0xFC
    0068 E001      LDI	R16,1
    0069 D1D3      RCALL	lsl8
    006A 2E20      MOV	R2,R16
    006B 9420      COM	R2
    006C B232      IN	R3,0x12
    006D 2032      AND	R3,R2
    006E BA32      OUT	0x12,R3
(0042) 		  delay_ms(1);
    006F E001      LDI	R16,1
    0070 E010      LDI	R17,0
    0071 DFD3      RCALL	_delay_ms
(0043) 		  PORTD|=0xf0;
    0072 B382      IN	R24,0x12
    0073 6F80      ORI	R24,0xF0
    0074 BB82      OUT	0x12,R24
    0075 9543      INC	R20
    0076 3044      CPI	R20,4
    0077 F330      BCS	0x005E
(0044) 		 }
(0045) 	 }
    0078 D179      RCALL	pop_gset1
    0079 9508      RET
FILE: E:\icc\iccavr\mega8\mega8\ADC\ADC.c
(0001) /*******************************************/
(0002) /*            广州天河双龙电子公司         */
(0003) /*            http://www.sl.com.cn         */
(0004) /*            多通道AD转换演示程序         */
(0005) /*            作者:[e-mail]