📄 1.lis
字号:
.module _1.c
.area data(ram, con, rel)
0000 _disp_table::
0000 .blkb 2
.area idata
0000 3F06 .byte 63,6
.area data(ram, con, rel)
0002 .blkb 2
.area idata
0002 5B4F .byte 91,'O
.area data(ram, con, rel)
0004 .blkb 2
.area idata
0004 666D .byte 'f,'m
.area data(ram, con, rel)
0006 .blkb 2
.area idata
0006 7D07 .byte 125,7
.area data(ram, con, rel)
0008 .blkb 2
.area idata
0008 7F6F .byte 127,'o
.area data(ram, con, rel)
000A .blkb 2
.area idata
000A 777C .byte 'w,124
.area data(ram, con, rel)
000C .blkb 2
.area idata
000C 395E .byte 57,94
.area data(ram, con, rel)
000E .blkb 2
.area idata
000E 7971 .byte 'y,'q
.area data(ram, con, rel)
0010 .dbfile C:\DOCUME~1\Administrator\桌面\18b20\1.c
0010 .dbsym e disp_table _disp_table A[16:16]c
.area text(rom, con, rel)
0000 .dbfile C:\DOCUME~1\Administrator\桌面\18b20\1.c
0000 .dbfunc e delay_1us _delay_1us fV
.even
0000 _delay_1us::
0000 .dbline -1
0000 .dbline 44
0000 ; /* m818b20.c 2004-11-19
0000 ; 本程序为采用mega8 和18b20的温度采集程序
0000 ; 选用mega8内部8M RC震荡，18b20 数据线接pd6,数据线和vcc间接一4.7k上拉电阻
0000 ; 感谢dfgeoff 嗜血蜗牛提供的资料*/
0000 ;
0000 ; #include <iom16v.h> //和单片机类型相对应的头文件，选择Atmega8做实验；
0000 ; #include <macros.h>
0000 ; #define uchar unsigned char
0000 ; #define uint unsigned int
0000 ; void init_1820();
0000 ; write_1820(uchar x);
0000 ; uchar read_1820();
0000 ; void send_byte(uchar x);
0000 ; void delay(uint x);
0000 ; void disp_led(uchar buffer,uchar control);
0000 ; uchar disp_table[16] = {
0000 ; 0x3f,0x06,0x5b,0x4f,0x66,0x6d,0x7d,0x07,
0000 ; 0x7f,0x6f,0x77,0x7c,0x39,0x5e,0x79,0x71};
0000 ; uchar dp;
0000 ; long count;
0000 ; #define LCD_EN_PORT PORTA //以下2个要设为同一个口
0000 ; #define LCD_EN_DDR DDRA
0000 ; #define LCD_RS_PORT PORTA //以下2个要设为同一个口
0000 ; #define LCD_RS_DDR DDRA
0000 ; #define LCD_DATA_PORT PORTA //以下3个要设为同一个口
0000 ; #define LCD_DATA_DDR DDRA //一定要用高4位
0000 ; #define LCD_DATA_PIN PINA
0000 ; #define LCD_RS (1<<0) // port0 out
0000 ; #define LCD_EN (1<<1) // port1 out
0000 ; #define LCD_DATA ((1<<4)|(1<<5)|(1<<6)|(1<<7)) //0xf0
0000 ; /*函数说明
0000 ; ------------------------------------------------------------------------------*/
0000 ; void LCD_init(void);
0000 ; void LCD_en_write(void);
0000 ; void LCD_write_command(unsigned char command) ;
0000 ; void LCD_write_data(unsigned char data);
0000 ; void LCD_set_xy (unsigned char x, unsigned char y);
0000 ; void LCD_write_string(unsigned char X,unsigned char Y,unsigned char *s);
0000 ; void LCD_write_char(unsigned char X,unsigned char Y,unsigned char data);
0000 ; void delay_nus(unsigned int n);
0000 ; void delay_nms(unsigned int n);
0000 ; /*----------------------------------------------------------------------------*/
0000 ; void delay_1us(void) //1us延时函数
0000 ; {
0000 .dbline 45
0000 ; asm("nop");
0000 0000 nop
0002 .dbline -2
0002 L1:
0002 .dbline 0 ; func end
0002 0895 ret
0004 .dbend
0004 .dbfunc e delay_nus _delay_nus fV
0004 ; i -> R20,R21
0004 ; n -> R22,R23
.even
0004 _delay_nus::
0004 0E940000 xcall push_gset2
0008 B801 movw R22,R16
000A .dbline -1
000A .dbline 49
000A ; }
000A ;
000A ; void delay_nus(unsigned int n) //N us延时函数
000A ; {
000A .dbline 50
000A ; unsigned int i=0;
000A 4427 clr R20
000C 5527 clr R21
000E .dbline 51
000E ; for (i=0;i<n;i++)
000E 03C0 xjmp L6
0010 L3:
0010 .dbline 52
0010 F7DF xcall _delay_1us
0012 L4:
0012 .dbline 51
0012 4F5F subi R20,255 ; offset = 1
0014 5F4F sbci R21,255
0016 L6:
0016 .dbline 51
0016 4617 cp R20,R22
0018 5707 cpc R21,R23
001A D0F3 brlo L3
001C .dbline -2
001C L2:
001C 0E940000 xcall pop_gset2
0020 .dbline 0 ; func end
0020 0895 ret
0022 .dbsym r i 20 i
0022 .dbsym r n 22 i
0022 .dbend
0022 .dbfunc e delay_1ms _delay_1ms fV
0022 ; i -> R16,R17
.even
0022 _delay_1ms::
0022 .dbline -1
0022 .dbline 56
0022 ; delay_1us();
0022 ; }
0022 ;
0022 ; void delay_1ms(void) //1ms延时函数
0022 ; {
0022 .dbline 58
0022 0027 clr R16
0024 1127 clr R17
0026 02C0 xjmp L11
0028 L8:
0028 .dbline 58
0028 L9:
0028 .dbline 58
0028 0F5F subi R16,255 ; offset = 1
002A 1F4F sbci R17,255
002C L11:
002C .dbline 58
002C ; unsigned int i;
002C ; for (i=0;i<1140;i++);
002C 0437 cpi R16,116
002E E4E0 ldi R30,4
0030 1E07 cpc R17,R30
0032 D0F3 brlo L8
0034 .dbline -2
0034 L7:
0034 .dbline 0 ; func end
0034 0895 ret
0036 .dbsym r i 16 i
0036 .dbend
0036 .dbfunc e delay_nms _delay_nms fV
0036 ; i -> R20,R21
0036 ; n -> R22,R23
.even
0036 _delay_nms::
0036 0E940000 xcall push_gset2
003A B801 movw R22,R16
003C .dbline -1
003C .dbline 62
003C ; }
003C ;
003C ; void delay_nms(unsigned int n) //N ms延时函数
003C ; {
003C .dbline 63
003C ; unsigned int i=0;
003C 4427 clr R20
003E 5527 clr R21
0040 .dbline 64
0040 ; for (i=0;i<n;i++)
0040 03C0 xjmp L16
0042 L13:
0042 .dbline 65
0042 EFDF xcall _delay_1ms
0044 L14:
0044 .dbline 64
0044 4F5F subi R20,255 ; offset = 1
0046 5F4F sbci R21,255
0048 L16:
0048 .dbline 64
0048 4617 cp R20,R22
004A 5707 cpc R21,R23
004C D0F3 brlo L13
004E .dbline -2
004E L12:
004E 0E940000 xcall pop_gset2
0052 .dbline 0 ; func end
0052 0895 ret
0054 .dbsym r i 20 i
0054 .dbsym r n 22 i
0054 .dbend
0054 .dbfunc e LCD_init _LCD_init fV
.even
0054 _LCD_init::
0054 .dbline -1
0054 .dbline 71
0054 ; delay_1ms();
0054 ; }
0054 ;
0054 ;
0054 ; /*----------------------------------------------------------------------------*/
0054 ; void LCD_init(void) //液晶初始化
0054 ; {
0054 .dbline 72
0054 ; LCD_DATA_DDR|=LCD_DATA; //数据口方向为输出
0054 8AB3 in R24,0x1a
0056 806F ori R24,240
0058 8ABB out 0x1a,R24
005A .dbline 73
005A ; LCD_EN_DDR|=LCD_EN; //设置EN方向为输出
005A D19A sbi 0x1a,1
005C .dbline 74
005C ; LCD_RS_DDR|=LCD_RS; //设置RS方向为输出
005C D09A sbi 0x1a,0
005E .dbline 75
005E ; LCD_write_command(0x28);
005E 08E2 ldi R16,40
0060 14D0 xcall _LCD_write_command
0062 .dbline 76
0062 ; LCD_en_write();
0062 0DD0 xcall _LCD_en_write
0064 .dbline 77
0064 ; delay_nus(40);
0064 08E2 ldi R16,40
0066 10E0 ldi R17,0
0068 CDDF xcall _delay_nus
006A .dbline 78
006A ; LCD_write_command(0x28); //4位显示
006A 08E2 ldi R16,40
006C 0ED0 xcall _LCD_write_command
006E .dbline 79
006E ; LCD_write_command(0x0c); //显示开
006E 0CE0 ldi R16,12
0070 0CD0 xcall _LCD_write_command
0072 .dbline 80
0072 ; LCD_write_command(0x01); //清屏
0072 01E0 ldi R16,1
0074 0AD0 xcall _LCD_write_command
0076 .dbline 81
0076 ; delay_nms(2);
0076 02E0 ldi R16,2
0078 10E0 ldi R17,0
007A DDDF xcall _delay_nms
007C .dbline -2
007C L17:
007C .dbline 0 ; func end
007C 0895 ret
007E .dbend
007E .dbfunc e LCD_en_write _LCD_en_write fV
.even
007E _LCD_en_write::
007E .dbline -1
007E .dbline 86
007E ; }
007E ;
007E ; /*----------------------------------------------------------------------------*/
007E ; void LCD_en_write(void) //液晶使能
007E ; {
007E .dbline 87
007E ; LCD_EN_PORT|=LCD_EN;
007E D99A sbi 0x1b,1
0080 .dbline 88
0080 ; delay_nus(1);
0080 01E0 ldi R16,1
0082 10E0 ldi R17,0
0084 BFDF xcall _delay_nus
0086 .dbline 89
0086 ; LCD_EN_PORT&=~LCD_EN;
0086 D998 cbi 0x1b,1
0088 .dbline -2
0088 L18:
0088 .dbline 0 ; func end
0088 0895 ret
008A .dbend
008A .dbfunc e LCD_write_command _LCD_write_command fV
008A ; command -> R20
.even
008A _LCD_write_command::
008A 0E940000 xcall push_gset1
008E 402F mov R20,R16
0090 .dbline -1
0090 .dbline 94
0090 ; }
0090 ;
0090 ; /*----------------------------------------------------------------------------*/
0090 ; void LCD_write_command(unsigned char command) //写指令
0090 ; {
0090 .dbline 95
0090 ; delay_nus(16);
0090 00E1 ldi R16,16
0092 10E0 ldi R17,0
0094 B7DF xcall _delay_nus
0096 .dbline 96
0096 ; LCD_RS_PORT&=~LCD_RS; //RS=0
0096 D898 cbi 0x1b,0
0098 .dbline 97
0098 ; LCD_DATA_PORT&=0X0f; //清高四位
0098 8BB3 in R24,0x1b
009A 8F70 andi R24,15
009C 8BBB out 0x1b,R24
009E .dbline 98
009E ; LCD_DATA_PORT|=command&0xf0; //写高四位
009E 842F mov R24,R20
00A0 807F andi R24,240
00A2 2BB2 in R2,0x1b
00A4 282A or R2,R24
00A6 2BBA out 0x1b,R2
00A8 .dbline 99
00A8 ; LCD_en_write();
00A8 EADF xcall _LCD_en_write
00AA .dbline 100
00AA ; command=command<<4; //低四位移到高四位
00AA 842F mov R24,R20
00AC 8F70 andi R24,#0x0F
00AE 8295 swap R24
00B0 482F mov R20,R24
00B2 .dbline 101
00B2 ; LCD_DATA_PORT&=0x0f; //清高四位
00B2 8BB3 in R24,0x1b
00B4 8F70 andi R24,15
00B6 8BBB out 0x1b,R24
00B8 .dbline 102
00B8 ; LCD_DATA_PORT|=command&0xf0; //写低四位
00B8 842F mov R24,R20
00BA 807F andi R24,240
00BC 2BB2 in R2,0x1b
00BE 282A or R2,R24
00C0 2BBA out 0x1b,R2
00C2 .dbline 103
00C2 ; LCD_en_write();
00C2 DDDF xcall _LCD_en_write
00C4 .dbline -2
00C4 L19:
00C4 0E940000 xcall pop_gset1
00C8 .dbline 0 ; func end
00C8 0895 ret
00CA .dbsym r command 20 c
00CA .dbend
00CA .dbfunc e LCD_write_data _LCD_write_data fV
00CA ; data -> R20
.even
00CA _LCD_write_data::
00CA 0E940000 xcall push_gset1
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