?? avr_gy-27.s
字號:
ldi R17,0
xcall _delay_nus
.dbline 61
; LCD_EN_PORT&=~LCD_EN;
cbi 0x15,7
.dbline -2
L70:
.dbline 0 ; func end
ret
.dbend
.dbfunc e LCD_write_command _LCD_write_command fV
; command -> R20
.even
_LCD_write_command::
st -y,R20
mov R20,R16
.dbline -1
.dbline 65
; }
;
; void LCD_write_command(unsigned char command) //寫指令
; {
.dbline 67
; //連線為高4位的寫法
; delay_nus(16);
ldi R16,16
ldi R17,0
xcall _delay_nus
.dbline 68
; LCD_RS_PORT&=~LCD_RS; //RS=0
cbi 0x15,6
.dbline 69
; LCD_DATA_PORT&=0X0f; //清高四位
in R24,0x1b
andi R24,15
out 0x1b,R24
.dbline 70
; LCD_DATA_PORT|=command&0xf0; //寫高四位
mov R24,R20
andi R24,240
in R2,0x1b
or R2,R24
out 0x1b,R2
.dbline 71
; LCD_en_write();
xcall _LCD_en_write
.dbline 72
; command=command<<4; //低四位移到高四位
mov R24,R20
andi R24,#0x0F
swap R24
mov R20,R24
.dbline 73
; LCD_DATA_PORT&=0x0f; //清高四位
in R24,0x1b
andi R24,15
out 0x1b,R24
.dbline 74
; LCD_DATA_PORT|=command&0xf0; //寫低四位
mov R24,R20
andi R24,240
in R2,0x1b
or R2,R24
out 0x1b,R2
.dbline 75
; LCD_en_write();
xcall _LCD_en_write
.dbline -2
L71:
.dbline 0 ; func end
ld R20,y+
ret
.dbsym r command 20 c
.dbend
.dbfunc e LCD_write_data _LCD_write_data fV
; data -> R20
.even
_LCD_write_data::
st -y,R20
mov R20,R16
.dbline -1
.dbline 92
;
; /*
; //連線為低四位的寫法
; delay_nus(16);
; LCD_RS_PORT&=~LCD_RS; //RS=0
; LCD_DATA_PORT&=0xf0; //清高四位
; LCD_DATA_PORT|=(command>>4)&0x0f; //寫高四位
; LCD_en_write();
; LCD_DATA_PORT&=0xf0; //清高四位
; LCD_DATA_PORT|=command&0x0f; //寫低四位
; LCD_en_write();
; */
;
; }
;
; void LCD_write_data(unsigned char data) //寫數據
; {
.dbline 94
; //連線為高4位的寫法
; delay_nus(16);
ldi R16,16
ldi R17,0
xcall _delay_nus
.dbline 95
; LCD_RS_PORT|=LCD_RS; //RS=1
sbi 0x15,6
.dbline 96
; LCD_DATA_PORT&=0X0f; //清高四位
in R24,0x1b
andi R24,15
out 0x1b,R24
.dbline 97
; LCD_DATA_PORT|=data&0xf0; //寫高四位
mov R24,R20
andi R24,240
in R2,0x1b
or R2,R24
out 0x1b,R2
.dbline 98
; LCD_en_write();
xcall _LCD_en_write
.dbline 99
; data=data<<4; //低四位移到高四位
mov R24,R20
andi R24,#0x0F
swap R24
mov R20,R24
.dbline 100
; LCD_DATA_PORT&=0X0f; //清高四位
in R24,0x1b
andi R24,15
out 0x1b,R24
.dbline 101
; LCD_DATA_PORT|=data&0xf0; //寫低四位
mov R24,R20
andi R24,240
in R2,0x1b
or R2,R24
out 0x1b,R2
.dbline 102
; LCD_en_write();
xcall _LCD_en_write
.dbline -2
L72:
.dbline 0 ; func end
ld R20,y+
ret
.dbsym r data 20 c
.dbend
.dbfunc e LCD_set_xy _LCD_set_xy fV
; address -> R20
; y -> R10
; x -> R22
.even
_LCD_set_xy::
xcall push_xgsetF00C
mov R10,R18
mov R22,R16
.dbline -1
.dbline 121
;
; /*
; //連線為低四位的寫法
; delay_nus(16);
; LCD_RS_PORT|=LCD_RS; //RS=1
; LCD_DATA_PORT&=0Xf0; //清高四位
; LCD_DATA_PORT|=(data>>4)&0x0f; //寫高四位
; LCD_en_write();
;
; LCD_DATA_PORT&=0Xf0; //清高四位
; LCD_DATA_PORT|=data&0x0f; //寫低四位
; LCD_en_write();
; */
;
; }
;
;
; void LCD_set_xy( unsigned char x, unsigned char y ) //寫地址函數
; {
.dbline 123
; unsigned char address;
; if (y == 0) address = 0x80 + x;
tst R10
brne L74
X23:
.dbline 123
mov R20,R22
subi R20,128 ; addi 128
xjmp L75
L74:
.dbline 124
; else address = 0xc0 + x;
mov R20,R22
subi R20,64 ; addi 192
L75:
.dbline 125
; LCD_write_command( address);
mov R16,R20
xcall _LCD_write_command
.dbline -2
L73:
.dbline 0 ; func end
xjmp pop_xgsetF00C
.dbsym r address 20 c
.dbsym r y 10 c
.dbsym r x 22 c
.dbend
.dbfunc e LCD_write_string _LCD_write_string fV
; s -> R20,R21
; Y -> R12
; X -> R10
.even
_LCD_write_string::
xcall push_xgset303C
mov R12,R18
mov R10,R16
ldd R20,y+6
ldd R21,y+7
.dbline -1
.dbline 129
; }
;
; void LCD_write_string(unsigned char X,unsigned char Y,unsigned char *s) //列x=0~15,行y=0,1
; {
.dbline 130
; LCD_set_xy( X, Y ); //寫地址
mov R18,R12
mov R16,R10
xcall _LCD_set_xy
xjmp L78
L77:
.dbline 132
; while (*s) // 寫顯示字符
; {
.dbline 133
; LCD_write_data( *s );
movw R30,R20
ldd R16,z+0
xcall _LCD_write_data
.dbline 134
; s ++;
subi R20,255 ; offset = 1
sbci R21,255
.dbline 135
; }
L78:
.dbline 131
movw R30,R20
ldd R2,z+0
tst R2
brne L77
X24:
.dbline -2
L76:
.dbline 0 ; func end
xjmp pop_xgset303C
.dbsym r s 20 pc
.dbsym r Y 12 c
.dbsym r X 10 c
.dbend
.dbfunc e LCD_write_char _LCD_write_char fV
; data -> y+2
; Y -> R12
; X -> R10
.even
_LCD_write_char::
st -y,R10
st -y,R12
mov R12,R18
mov R10,R16
.dbline -1
.dbline 140
;
; }
;
; void LCD_write_char(unsigned char X,unsigned char Y,unsigned char data) //列x=0~15,行y=0,1
; {
.dbline 141
; LCD_set_xy( X, Y ); //寫地址
mov R18,R12
mov R16,R10
xcall _LCD_set_xy
.dbline 142
; LCD_write_data( data);
ldd R16,y+2
xcall _LCD_write_data
.dbline -2
L80:
.dbline 0 ; func end
ld R12,y+
ld R10,y+
ret
.dbsym l data 2 c
.dbsym r Y 12 c
.dbsym r X 10 c
.dbend
.area data(ram, con, rel)
.dbfile D:\MCU_Project\MCU_AVR\AVR_GY-27\1602.h
_display::
.blkb 2
.area idata
.byte 0,0
.area data(ram, con, rel)
.dbfile D:\MCU_Project\MCU_AVR\AVR_GY-27\1602.h
.blkb 2
.area idata
.byte 0,0
.area data(ram, con, rel)
.dbfile D:\MCU_Project\MCU_AVR\AVR_GY-27\1602.h
.blkb 1
.area idata
.byte 0
.area data(ram, con, rel)
.dbfile D:\MCU_Project\MCU_AVR\AVR_GY-27\1602.h
.dbfile D:\MCU_Project\MCU_AVR\AVR_GY-27\AVR_GY-27.c
.dbsym e display _display A[5:5]c
.area text(rom, con, rel)
.dbfile D:\MCU_Project\MCU_AVR\AVR_GY-27\AVR_GY-27.c
.dbfunc e conversion _conversion fV
; i -> R20,R21
.even
_conversion::
st -y,R20
st -y,R21
movw R20,R16
.dbline -1
.dbline 28
; /*****************************************
; * 基于AVR單片機GY-27模塊通信程序 *
; * HMC5883L+ADXL345 通信程序 *
; * 功 能：IIC通信讀取數據并顯示 *
; * 時鐘頻率：內部1M *
; * 設 計：廣運電子 *
; * 修改日期：2011年4月20日 *
; * 編譯環境：ICC-AVR7.14 *
; * 實驗環境：ATmega16+1602 *
; * 使用端口：PC0,PC1,PC6,PC7,PA4~PA7 *
; * 參 考：莫錦攀實驗程序24c02讀取實驗 *
; *****************************************/
; #include <iom16v.h>
; #include "I2C.h"
; #include "1602.h"
; #include "delay.h"
; #include "math.h"
; #include "stdio.h"
; void conversion(unsigned int i);
; unsigned char display[5]={0,0,0,0,0};//顯示數據
;
; /*********************************************
; 數據轉換,十六進制數據轉換成10進制
; 輸入十六進制范圍：0x0000-0x270f（0-9999）
; 結果分成個十百千位，以ascii存入顯示區
; **********************************************/
; void conversion(unsigned int i)
; {
.dbline 29
; display[0]=i/10000+0x30 ;
ldi R18,10000
ldi R19,39
movw R16,R20
xcall div16u
movw R24,R16
adiw R24,48
sts _display,R24
.dbline 30
; i=i%10000; //取余運算
ldi R18,10000
ldi R19,39
movw R16,R20
xcall mod16u
movw R20,R16
.dbline 31
; display[1]=i/1000+0x30 ;
ldi R18,1000
ldi R19,3
xcall div16u
movw R24,R16
adiw R24,48
sts _display+1,R24
.dbline 32
; i=i%1000; //取余運算
ldi R18,1000
ldi R19,3
movw R16,R20
xcall mod16u
movw R20,R16
.dbline 33
; display[2]=i/100+0x30 ;
ldi R18,100
ldi R19,0
xcall div16u
movw R24,R16
adiw R24,48
sts _display+2,R24
.dbline 34
; i=i%100; //取余運算
ldi R18,100
ldi R19,0
movw R16,R20
xcall mod16u
movw R20,R16
.dbline 35
; display[3]=i/10+0x30 ;
ldi R18,10
ldi R19,0
xcall div16u
movw R24,R16
adiw R24,48
sts _display+3,R24
.dbline 36
; i=i%10; //取余運算
ldi R18,10
ldi R19,0
movw R16,R20
xcall mod16u
movw R20,R16
.dbline 37
; display[4]=i+0x30;
movw R24,R20
adiw R24,48
sts _display+4,R24
.dbline -2
L81:
.dbline 0 ; func end
ld R21,y+
ld R20,y+
ret
.dbsym r i 20 i
.dbend
.dbfunc e display_angle _display_angle fV
; temp -> y+8
; angle -> y+4
; y -> R10,R11
; x -> R12,R13
.even
_display_angle::
xcall push_xgset00FC
sbiw R28,12
.dbline -1
.dbline 42
; }
; //*******************************
; //顯示角度
; void display_angle(void)
; { float temp;
.dbline 46
; int x,y;
; double angle;
;
; x=I2C_Read(0x03);
ldi R16,3
ldi R17,0
xcall _I2C_Read
mov R12,R16
clr R13
.dbline 47
; x=(x<<8)+I2C_Read(0x04);
ldi R16,4
ldi R17,0
xcall _I2C_Read
mov R13,R12
mov R12,R16
.dbline 49
;
; y=I2C_Read(0x07);
ldi R16,7
ldi R17,0
xcall _I2C_Read
mov R10,R16
clr R11
.dbline 50
; y=(y<<8)+I2C_Read(0x08);
ldi R16,8
ldi R17,0
xcall _I2C_Read
mov R14,R16
mov R11,R10
mov R10,R14
.dbline 53
;
;
; angle= atan2((double)y,(double)x) * (180 / 3.14159265) + 180; // angle in degrees
movw R16,R12
xcall int2fp
std y+0,R16
std y+1,R17
std y+2,R18
std y+3,R19
movw R16,R10
xcall int2fp
xcall _atan2f
movw R2,R16
movw R4,R18
ldi R16,<L87
ldi R17,>L87
xcall elpm32
st -y,R5
st -y,R4
st -y,R3
st -y,R2
xcall fpmule2
movw R2,R16
movw R4,R18
ldi R16,<L88
ldi R17,>L88
xcall elpm32
st -y,R19
st -y,R18
st -y,R17
st -y,R16
movw R16,R2
movw R18,R4
xcall fpadd2
std y+4,R16
std y+5,R17
std y+6,R18
std y+7,R19
.dbline 54
; angle*=10;
ldi R16,<L89
ldi R17,>L89
xcall elpm32
movw R24,R28
adiw R24,4
st -y,R25
st -y,R24
xcall fpmule1
std y+4,R16
std y+5,R17
std y+6,R18
std y+7,R19
.dbline 56
;
; conversion(angle); //轉換出顯示需要的數據
ldd R16,y+4
ldd R17,y+5
ldd R18,y+6
ldd R19,y+7
xcall fpint
xcall _conversion
.dbline 57
; LCD_write_char(0,0,'A'); //第0行，第0列 顯示A
ldi R24,65
std y+0,R24
clr R18
clr R16
xcall _LCD_write_char
.dbline 58
; LCD_write_char(1,0,'n'); //
ldi R24,110
std y+0,R24
clr R18
ldi R16,1
xcall _LCD_write_char
.dbline 59
; LCD_write_char(2,0,'g'); //
ldi R24,103
std y+0,R24
clr R18
ldi R16,2
xcall _LCD_write_char
.dbline 60
; LCD_write_char(3,0,'l'); //
ldi R24,108
std y+0,R24
clr R18
ldi R16,3
xcall _LCD_write_char
.dbline 61
; LCD_write_char(4,0,'e'); //
ldi R24,101
std y+0,R24
clr R18
ldi R16,4
xcall _LCD_write_char
.dbline 62
; LCD_write_char(5,0,':');
ldi R24,58
std y+0,R24
clr R18
ldi R16,5
xcall _LCD_write_char
.dbline 63
; LCD_write_char(6,0,display[1]);
lds R2,_display+1
std y+0,R2
clr R18
ldi R16,6
xcall _LCD_write_char
.dbline 64
; LCD_write_char(7,0,display[2]);
lds R2,_display+2
std y+0,R2
clr R18
ldi R16,7
xcall _LCD_write_char
.dbline 65
; LCD_write_char(8,0,display[3]);
lds R2,_display+3
std y+0,R2
clr R18
ldi R16,8
xcall _LCD_write_char
.dbline 66
; LCD_write_char(9,0,'.');
ldi R24,46
std y+0,R24
clr R18
ldi R16,9
xcall _LCD_write_char
.dbline 67
; LCD_write_char(10,0,display[4]);
lds R2,_display+4
std y+0,R2
clr R18
ldi R16,10
xcall _LCD_write_char
.dbline 68
; LCD_write_char(11,0,0xdf);
ldi R24,223
std y+0,R24
clr R18
ldi R16,11
xcall _LCD_write_char
.dbline -2
L86:
.dbline 0 ; func end
adiw R28,12
xjmp pop_xgset00FC
.dbsym l temp 8 D
.dbsym l angle 4 D
.dbsym r y 10 I
.dbsym r x 12 I
.dbend
.dbfunc e main _main fV
; i -> <dead>
.even
_main::
.dbline -1
.dbline 76
;
; }
;
; /*******************************
; 主程序
; *******************************/
; void main(void)
; {
.dbline 78
; unsigned char i;
; delay_nms(50); //lcd上電延時
ldi R16,50
ldi R17,0
xcall _delay_nms
.dbline 79
; LCD_init(); //lcd初始化
xcall _LCD_init
xjmp L96
L95:
.dbline 81
;
; while(1){ //循環
.dbline 82
; I2C_Write(0x02,0x00); //模式寄存器寫0
clr R18
ldi R16,2
xcall _I2C_Write
.dbline 83
; delay_nms(50);
ldi R16,50
ldi R17,0
xcall _delay_nms
.dbline 84
; display_angle(); //顯示角度
xcall _display_angle
.dbline 85
; delay_nms(50);
ldi R16,50
ldi R17,0
xcall _delay_nms
.dbline 86
; }
L96:
.dbline 81
xjmp L95
X25:
.dbline -2
L94:
.dbline 0 ; func end
ret
.dbsym l i 1 c
.dbend
.area lit(rom, con, rel)
L89:
.word 0x0,0x4120
L88:
.word 0x0,0x4334
L87:
.word 0x2ee1,0x4265
; }
;
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