?? test.s
字號:
.module test.c
.area text(rom, con, rel)
.dbfile D:\iccavr\mega16\11\10bit_adc\test.c
.dbfile D:\iccavr\mega16\11\10bit_adc\delay.h
.dbfunc e delay_us _delay_us fV
.even
_delay_us::
.dbline -1
.dbline 6
; /**********延時函數*****************/
; /*-----------------------------------------------
; delay_us :1us延時函數
; ------------------------------------------------*/
; void delay_us(void)
; {
.dbline 7
; asm("nop");
nop
.dbline -2
L1:
.dbline 0 ; func end
ret
.dbend
.dbfunc e delay_nus _delay_nus fV
; t -> R20,R21
.even
_delay_nus::
st -y,R20
st -y,R21
movw R20,R16
.dbline -1
.dbline 14
; }
; /*-----------------------------------------------
; delay_nus :長延時函數
; 輸入參數: t :延時時間 us
; ------------------------------------------------*/
; void delay_nus(unsigned int t)
; {
xjmp L4
L3:
.dbline 16
; while(t--)
; delay_us();
xcall _delay_us
L4:
.dbline 15
movw R2,R20
subi R20,1
sbci R21,0
tst R2
brne L3
tst R3
brne L3
X0:
.dbline -2
L2:
.dbline 0 ; func end
ld R21,y+
ld R20,y+
ret
.dbsym r t 20 i
.dbend
.dbfunc e delay_ms _delay_ms fV
; i -> R16,R17
.even
_delay_ms::
.dbline -1
.dbline 22
; }
; /*----------------------------------------------
; delay_ms :1ms延時函數
; -----------------------------------------------*/
; void delay_ms(void)
; {
.dbline 24
; unsigned int i;
; for(i=0;i<1140;i++);
clr R16
clr R17
xjmp L10
L7:
.dbline 24
L8:
.dbline 24
subi R16,255 ; offset = 1
sbci R17,255
L10:
.dbline 24
cpi R16,116
ldi R30,4
cpc R17,R30
brlo L7
X1:
.dbline -2
L6:
.dbline 0 ; func end
ret
.dbsym r i 16 i
.dbend
.dbfunc e delay_nms _delay_nms fV
; t -> R20,R21
.even
_delay_nms::
st -y,R20
st -y,R21
movw R20,R16
.dbline -1
.dbline 31
; }
; /*----------------------------------------------
; delay_nms :長延時函數
; 輸入參數: t :延時時間 ms
; -----------------------------------------------*/
; void delay_nms(unsigned int t)
; {
xjmp L13
L12:
.dbline 33
; while(t--)
; delay_ms();
xcall _delay_ms
L13:
.dbline 32
movw R2,R20
subi R20,1
sbci R21,0
tst R2
brne L12
tst R3
brne L12
X2:
.dbline -2
L11:
.dbline 0 ; func end
ld R21,y+
ld R20,y+
ret
.dbsym r t 20 i
.dbend
.dbfile D:\iccavr\mega16\11\10bit_adc\lcd1602.h
.dbfunc e LCD_init _LCD_init fV
.even
_LCD_init::
.dbline -1
.dbline 34
; /*-------------------------------------------
; RS----------PC2
; RW----------GND
; EN----------PC3
; D4-D7-------PC4-PC7
; ---------------------------------------------*/
; //定義MCU與LCD的接口
; #define LCD_EN_PORT PORTC
; #define LCD_EN_DDR DDRC
; #define LCD_RS_PORT PORTC
; #define LCD_RS_DDR DDRC
; #define LCD_DATA_PORT PORTC
; #define LCD_DATA_DDR DDRC
; #define LCD_DATA_PIN PINC
; #define LCD_EN 0x08 //portc3 out
; #define LCD_RS 0x04 //portc2 out
; #define LCD_DATA 0xf0 //portc4/5/6/7 out
;
; /*----------------------------------------------------------
; Public function prototypes
; ----------------------------------------------------------*/
; void LCD_init(void);
; void LCD_en_write(void);
; void clear(void);
; void LCD_write_char(unsigned command,unsigned data);
; void LCD_set_xy(unsigned char x, unsigned char y);
; void LCD_write_string(unsigned char X,unsigned char Y,unsigned char *s);
; void LCD_write_data(unsigned char X,unsigned char Y,int dat);
;
; /*------------------------------------------------------------
; 函數: lcd1602口線初始化和液晶初始化
; -------------------------------------------------------------*/
; void LCD_init(void) //液晶初始化
; {
.dbline 35
; LCD_DATA_DDR|=LCD_DATA;
in R24,0x14
ori R24,240
out 0x14,R24
.dbline 36
; LCD_EN_DDR|=LCD_EN;
sbi 0x14,3
.dbline 37
; LCD_RS_DDR|=LCD_RS;
sbi 0x14,2
.dbline 38
; delay_nms(15);
ldi R16,15
ldi R17,0
xcall _delay_nms
.dbline 39
; LCD_write_char(0x28,0); //4位顯示
clr R18
clr R19
ldi R16,40
ldi R17,0
xcall _LCD_write_char
.dbline 40
; delay_nms(15);
ldi R16,15
ldi R17,0
xcall _delay_nms
.dbline 41
; LCD_write_char(0x0c,0); //顯示開
clr R18
clr R19
ldi R16,12
ldi R17,0
xcall _LCD_write_char
.dbline 42
; delay_nms(15);
ldi R16,15
ldi R17,0
xcall _delay_nms
.dbline 43
; LCD_write_char(0x01,0); //清屏
clr R18
clr R19
ldi R16,1
ldi R17,0
xcall _LCD_write_char
.dbline 44
; clear();
xcall _clear
.dbline -2
L15:
.dbline 0 ; func end
ret
.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 53
; }
;
; /*------------------------------------------------------------
; 函數: 設置顯示地址
; para: x---the display address of a line limit: 0---15
; y---the display line limit 0 or 1
; --------------------------------------------------------------*/
; void LCD_set_xy(unsigned char x, unsigned char y) //寫地址函數
; {
.dbline 55
; unsigned char address;
; if(y ==0)
tst R10
brne L17
X3:
.dbline 56
; address=0x80+x; //the first line
mov R20,R22
subi R20,128 ; addi 128
xjmp L18
L17:
.dbline 58
; else
; address=0xc0+x; //the second line
mov R20,R22
subi R20,64 ; addi 192
L18:
.dbline 59
; LCD_write_char(address,0);
clr R18
clr R19
mov R16,R20
clr R17
xcall _LCD_write_char
.dbline -2
L16:
.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_en_write _LCD_en_write fV
.even
_LCD_en_write::
.dbline -1
.dbline 65
; }
; /*-------------------------------------------------------------
; 函數: lcd1602使能
; *--------------------------------------------------------------*/
; void LCD_en_write(void) //液晶使能
; {
.dbline 66
; LCD_EN_PORT|=LCD_EN;
sbi 0x15,3
.dbline 67
; delay_nus(5);
ldi R16,5
ldi R17,0
xcall _delay_nus
.dbline 68
; LCD_EN_PORT&=~LCD_EN;
cbi 0x15,3
.dbline -2
L19:
.dbline 0 ; func end
ret
.dbend
.dbfunc e LCD_write_char _LCD_write_char fV
; data_temp -> R22,R23
; command_temp -> R20,R21
; data -> R12,R13
; command -> R10,R11
.even
_LCD_write_char::
xcall push_xgsetF03C
movw R12,R18
movw R10,R16
.dbline -1
.dbline 76
; }
; /*------------------------------------------------------------
; 函數: 寫命令或數據到lcd1602
; 參數：command: 0---寫數據, 1---寫命令
; data: 所要寫的命令或數據
; *-------------------------------------------------------------*/
; void LCD_write_char(unsigned command,unsigned data)
; {
.dbline 78
; unsigned command_temp,data_temp;
; command_temp=command;
movw R20,R10
.dbline 79
; data_temp=data;
movw R22,R12
.dbline 80
; delay_nus(25);
ldi R16,25
ldi R17,0
xcall _delay_nus
.dbline 81
; if(command==0)
cpi R20,0
cpc R20,R21
brne L21
X4:
.dbline 82
; {
.dbline 83
; LCD_RS_PORT|=LCD_RS; //RS=1
sbi 0x15,2
.dbline 84
; LCD_DATA_PORT&=0X0f;
in R24,0x15
andi R24,15
out 0x15,R24
.dbline 85
; LCD_DATA_PORT|=data_temp&0xf0; //寫高四位
movw R24,R22
andi R24,240
andi R25,0
in R2,0x15
clr R3
or R2,R24
or R3,R25
out 0x15,R2
.dbline 86
; LCD_en_write();
xcall _LCD_en_write
.dbline 87
; data_temp=data_temp<<4;
lsl R22
rol R23
lsl R22
rol R23
lsl R22
rol R23
lsl R22
rol R23
.dbline 88
; LCD_DATA_PORT&=0X0f;
in R24,0x15
andi R24,15
out 0x15,R24
.dbline 89
; LCD_DATA_PORT|=data_temp&0xf0; //寫低四位
movw R24,R22
andi R24,240
andi R25,0
in R2,0x15
clr R3
or R2,R24
or R3,R25
out 0x15,R2
.dbline 90
; LCD_en_write();
xcall _LCD_en_write
.dbline 91
; }
xjmp L22
L21:
.dbline 93
; else
; {
.dbline 94
; LCD_RS_PORT&=~LCD_RS; //RS=0
cbi 0x15,2
.dbline 95
; LCD_DATA_PORT&=0X0f;
in R24,0x15
andi R24,15
out 0x15,R24
.dbline 96
; LCD_DATA_PORT|=command_temp&0xf0; //寫高四位
movw R24,R20
andi R24,240
andi R25,0
in R2,0x15
clr R3
or R2,R24
or R3,R25
out 0x15,R2
.dbline 97
; LCD_en_write();
xcall _LCD_en_write
.dbline 98
; command_temp=command_temp<<4;
lsl R20
rol R21
lsl R20
rol R21
lsl R20
rol R21
lsl R20
rol R21
.dbline 99
; LCD_DATA_PORT&=0x0f;
in R24,0x15
andi R24,15
out 0x15,R24
.dbline 100
; LCD_DATA_PORT|=command_temp&0xf0; //寫低四位
movw R24,R20
andi R24,240
andi R25,0
in R2,0x15
clr R3
or R2,R24
or R3,R25
out 0x15,R2
.dbline 101
; LCD_en_write();
xcall _LCD_en_write
.dbline 102
; }
L22:
.dbline -2
L20:
.dbline 0 ; func end
xjmp pop_xgsetF03C
.dbsym r data_temp 22 i
.dbsym r command_temp 20 i
.dbsym r data 12 i
.dbsym r command 10 i
.dbend
.dbfunc e clear _clear fV
; i -> R20
.even
_clear::
st -y,R20
.dbline -1
.dbline 108
; }
; /*-------------------------------------------------------------
; 函數: 清屏lcd1602
; ---------------------------------------------------------------*/
; void clear(void)
; {
.dbline 110
; unsigned char i;
; LCD_set_xy(0,0);
clr R18
clr R16
xcall _LCD_set_xy
.dbline 111
; for(i=0;i<16;i++)
clr R20
xjmp L27
L24:
.dbline 112
; LCD_write_char(0,' ');
ldi R18,32
ldi R19,0
clr R16
clr R17
xcall _LCD_write_char
L25:
.dbline 111
inc R20
L27:
.dbline 111
cpi R20,16
brlo L24
X5:
.dbline 113
; LCD_set_xy(0,1);
ldi R18,1
clr R16
xcall _LCD_set_xy
.dbline 114
; for(i=0;i<16;i++)
clr R20
xjmp L31
L28:
.dbline 115
; LCD_write_char(0,' ');
ldi R18,32
ldi R19,0
clr R16
clr R17
xcall _LCD_write_char
L29:
.dbline 114
inc R20
L31:
.dbline 114
cpi R20,16
brlo L28
X6:
.dbline -2
L23:
.dbline 0 ; func end
ld R20,y+
ret
.dbsym r i 20 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 123
; }
; /*-------------------------------------------------------------
; 函數: 寫字符串
; 參數：列---X=0~15,行---Y=0~1 寫地址
; s為所要寫的字符串
; ---------------------------------------------------------------*/
; void LCD_write_string(unsigned char X,unsigned char Y,unsigned char *s)
; {
.dbline 124
; LCD_set_xy(X,Y);
mov R18,R12
mov R16,R10
xcall _LCD_set_xy
xjmp L34
L33:
.dbline 126
; while(*s)
; {
.dbline 127
; LCD_write_char(0,*s);
movw R30,R20
ldd R18,z+0
clr R19
clr R16
clr R17
xcall _LCD_write_char
.dbline 128
; s++;
subi R20,255 ; offset = 1
sbci R21,255
.dbline 129
; }
L34:
.dbline 125
movw R30,R20
ldd R2,z+0
tst R2
brne L33
X7:
.dbline -2
L32:
.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_data _LCD_write_data fV
; fuhao -> R22
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