📄 disp.s
字号:
.module disp.c
.area data(ram, con, rel)
_disp_table::
.blkb 2
.area idata
.byte 63,6
.area data(ram, con, rel)
.blkb 2
.area idata
.byte 91,'O
.area data(ram, con, rel)
.blkb 2
.area idata
.byte 'f,'m
.area data(ram, con, rel)
.blkb 2
.area idata
.byte 125,7
.area data(ram, con, rel)
.blkb 2
.area idata
.byte 127,'o
.area data(ram, con, rel)
.blkb 2
.area idata
.byte 'w,124
.area data(ram, con, rel)
.blkb 2
.area idata
.byte 57,94
.area data(ram, con, rel)
.blkb 2
.area idata
.byte 'y,'q
.area data(ram, con, rel)
.dbfile E:\avrc\disp.c
.dbsym e disp_table _disp_table A[16:16]c
.area text(rom, con, rel)
.dbfile E:\avrc\disp.c
.dbfunc e main _main fV
; i -> <dead>
; j -> R20,R21
.even
_main::
.dbline -1
.dbline 16
; #include <iom8v.h> //和单片机类型相对应的头文件，选择Atmega8做实验；
; #include <macros.h>
; #include <stdio.h>
; #define uchar unsigned char
; #define uint unsigned int
; void send_byte(uchar x);
; void disp_led(uchar buffer,uchar control);
; void delay_1ms(void);
; void delay_nms(unsigned int n);
; uchar disp_table[16] = {
; 0x3f,0x06,0x5b,0x4f,0x66,0x6d,0x7d,0x07,
; 0x7f,0x6f,0x77,0x7c,0x39,0x5e,0x79,0x71};
; uint count;
; uchar dp;
; void main(void)
; {
.dbline 19
; uint i;
; int j;
; disp_led(0,0);//显示0
clr R18
clr R16
rcall _disp_led
.dbline 20
; OSCCAL=0X9d; //系统时钟校准，不同的芯片和不同的频率，
ldi R24,157
out 0x31,R24
.dbline 21
; DDRB=0x03; //定义B口的PB0、PB1为输出口
ldi R24,3
out 0x17,R24
.dbline 22
; DDRC=0x30; //定义C口的PC4和PC5为输出口
ldi R24,48
out 0x14,R24
.dbline 23
; WDR(); //看门狗计数清零
wdr
.dbline 24
; WDTCR=0x0F; //使能watchdog,并且，采用2048K分频，典型溢出时间5V时2.1S
ldi R24,15
out 0x21,R24
.dbline 25
; ADCSRA=0X00;
clr R2
out 0x6,R2
.dbline 26
; ADMUX =(1<<REFS0)|(1<<REFS1)|(1<<MUX1)|(1<<MUX0); //采用内部2.56参考电压，ADC3输入
ldi R24,195
out 0x7,R24
.dbline 27
; ADCSRA=(1<<ADEN)|(1<<ADSC)|(1<<ADIE)|(1<<ADPS2)|(1<<ADPS1) ;//ADC转换 64分频
ldi R24,206
out 0x6,R24
.dbline 28
; SEI(); //开放中断
sei
.dbline 30
; //delay_nms(5000); //延时5秒
; PORTB=0B00000010; //PB1口输出高电平，PB0口输出低电平，关闭绿灯，红灯亮
ldi R24,2
out 0x18,R24
.dbline 31
; delay_nms(500); //延时1秒
ldi R16,500
ldi R17,1
rcall _delay_nms
rjmp L3
L2:
.dbline 33
; while(1)
; {
.dbline 34
; PORTB=0B00000010;
ldi R24,2
out 0x18,R24
.dbline 35
; delay_nms(100); //延时0.1左右
ldi R16,100
ldi R17,0
rcall _delay_nms
.dbline 36
; j=((25600/1023)*(ADCH*256+ADCL))/1000;//数据计算
in R2,0x4
in R3,0x5
mov R19,R3
mov R18,R2
ldi R16,25
ldi R17,0
rcall mpy16s
ldi R18,1000
ldi R19,3
rcall div16s
mov R20,R16
mov R21,R17
.dbline 37
; count=j;
sts _count+1,R21
sts _count,R20
.dbline 38
; if(j>24)
ldi R24,24
ldi R25,0
cp R24,R16
cpc R25,R17
brge L5
.dbline 39
; PORTB=0B00000011; //翻转PB0和PB1口 过压或过流显示
ldi R24,3
out 0x18,R24
L5:
.dbline 40
ldi R18,1
clr R16
rcall _disp_led
.dbline 41
wdr
.dbline 42
L3:
.dbline 32
rjmp L2
X0:
.dbline -2
.dbline 43
; disp_led(0,1); //显示数据
; WDR(); //清看门狗
; }
; }
L1:
.dbline 0 ; func end
ret
.dbsym l i 1 i
.dbsym r j 20 I
.dbend
.dbfunc e send_byte _send_byte fV
; i -> R20
; x -> R22
.even
_send_byte::
rcall push_gset2
mov R22,R16
.dbline -1
.dbline 45
; void send_byte(uchar x)
; {
.dbline 47
; uchar i;
; for(i=0;i<8;i++)
clr R20
rjmp L11
L8:
.dbline 48
; {
.dbline 49
; PORTC=0<<5; // PC5为底 为164提供时钟信号
clr R2
out 0x15,R2
.dbline 50
; if((x&(1<<(7-i)))||((dp==1)&&(i==0))) //判断每位数据的电平,及小数点判断
ldi R17,7
sub R17,R20
ldi R16,1
rcall lsl8
mov R2,R22
and R2,R16
brne L14
lds R24,_dp
cpi R24,1
brne L12
tst R20
brne L12
L14:
.dbline 51
; PORTC=1<<4; //若为高着PC4输出高电平
ldi R24,16
out 0x15,R24
rjmp L13
L12:
.dbline 53
; else
; PORTC=0<<4; //若为低着输出低电平
clr R2
out 0x15,R2
L13:
.dbline 54
ldi R24,32
out 0x15,R24
.dbline 55
L9:
.dbline 47
inc R20
L11:
.dbline 47
cpi R20,8
brlo L8
.dbline -2
.dbline 56
; PORTC=1<<5; //PC5 提供始终信号
; }
; }
L7:
rcall pop_gset2
.dbline 0 ; func end
ret
.dbsym r i 20 c
.dbsym r x 22 c
.dbend
.dbfunc e disp_led _disp_led fV
; temp -> y+0
; tempcount -> R20,R21
; i -> R22
; control -> R20
; buffer -> R10
.even
_disp_led::
rcall push_gset3
mov R20,R18
mov R10,R16
sbiw R28,6
.dbline -1
.dbline 59
; //显示程序 CONTROL为控制显示 BUFFER为显示数据
; void disp_led(uchar buffer,uchar control)
; {
.dbline 62
; uchar i,temp[6];
; uint tempcount;
; dp=0;
clr R2
sts _dp,R2
.dbline 63
; switch(control)
clr R21
cpi R20,0
cpc R20,R21
breq L19
X1:
cpi R20,1
ldi R30,0
cpc R21,R30
breq L24
rjmp L16
X2:
.dbline 64
; {
L19:
.dbline 66
; case 0: //CONTROL为零全部数码管显示buffer
; {
.dbline 67
; for(i=0;i<11;i++)
clr R22
rjmp L23
L20:
.dbline 68
ldi R18,10
ldi R19,0
mov R16,R10
clr R17
rcall mod16s
mov R30,R16
mov R31,R17
ldi R24,<_disp_table
ldi R25,>_disp_table
add R30,R24
adc R31,R25
ldd R16,z+0
rcall _send_byte
L21:
.dbline 67
inc R22
L23:
.dbline 67
cpi R22,11
brlo L20
.dbline 69
; send_byte(disp_table[buffer%10]);//显示数字
; break;
rjmp L17
L24:
.dbline 72
; }
; case 1: //control为1，显示count中的数据为6位
; {
.dbline 73
; tempcount=count;
lds R20,_count
lds R21,_count+1
.dbline 74
; for(i=0;i<6;i++) //取出每位中的数据
clr R22
rjmp L28
L25:
.dbline 75
.dbline 76
ldi R18,10
ldi R19,0
mov R16,R20
mov R17,R21
rcall mod16u
mov R24,R28
mov R25,R29
mov R30,R22
clr R31
add R30,R24
adc R31,R25
std z+0,R16
.dbline 77
ldi R18,10
ldi R19,0
mov R16,R20
mov R17,R21
rcall div16u
mov R20,R16
mov R21,R17
.dbline 78
L26:
.dbline 74
inc R22
L28:
.dbline 74
cpi R22,6
brlo L25
.dbline 79
; {
; temp[i]=tempcount%10;
; tempcount/=10;
; }
; send_byte(disp_table[buffer/10]); //最开始显示buffer数据
ldi R18,10
ldi R19,0
mov R16,R10
clr R17
rcall div16s
mov R30,R16
mov R31,R17
ldi R24,<_disp_table
ldi R25,>_disp_table
add R30,R24
adc R31,R25
ldd R16,z+0
rcall _send_byte
.dbline 80
; send_byte(disp_table[buffer%10]);
ldi R18,10
ldi R19,0
mov R16,R10
clr R17
rcall mod16s
mov R30,R16
mov R31,R17
ldi R24,<_disp_table
ldi R25,>_disp_table
add R30,R24
adc R31,R25
ldd R16,z+0
rcall _send_byte
.dbline 81
; send_byte(0x00);
clr R16
rcall _send_byte
.dbline 82
; send_byte(0x00);
clr R16
rcall _send_byte
.dbline 83
; send_byte(0x00);
clr R16
rcall _send_byte
.dbline 84
; for(i=0;i<6;i++)
clr R22
rjmp L32
L29:
.dbline 85
; {
.dbline 86
; if(i==4)
cpi R22,4
brne L33
.dbline 87
; dp=1; //小数点控制位
ldi R24,1
sts _dp,R24
L33:
.dbline 88
mov R2,R22
clr R3
ldi R30,5
ldi R31,0
sub R30,R2
sbc R31,R3
mov R24,R28
mov R25,R29
add R30,R24
adc R31,R25
ldd R30,z+0
clr R31
ldi R24,<_disp_table
ldi R25,>_disp_table
add R30,R24
adc R31,R25
ldd R16,z+0
rcall _send_byte
.dbline 89
clr R2
sts _dp,R2
.dbline 90
L30:
.dbline 84
inc R22
L32:
.dbline 84
cpi R22,6
brlo L29
.dbline 91
; send_byte(disp_table[temp[5-i]]);
; dp=0;
; }
; break;
L16:
L17:
.dbline 94
; }
; }
; PORTC=1<<4;
ldi R24,16
out 0x15,R24
.dbline -2
.dbline 95
; }
L15:
adiw R28,6
rcall pop_gset3
.dbline 0 ; func end
ret
.dbsym l temp 0 A[6:6]c
.dbsym r tempcount 20 i
.dbsym r i 22 c
.dbsym r control 20 c
.dbsym r buffer 10 c
.dbend
.dbfunc e delay_1ms _delay_1ms fV
; i -> R16,R17
.even
_delay_1ms::
.dbline -1
.dbline 97
; void delay_1ms(void)//1ms延时函数
; {
.dbline 99
clr R16
clr R17
rjmp L39
L36:
.dbline 99
L37:
.dbline 99
subi R16,255 ; offset = 1
sbci R17,255
L39:
.dbline 99
; unsigned int i;
; for (i=0;i<150;i++);
cpi R16,150
ldi R30,0
cpc R17,R30
brlo L36
.dbline 100
; WDR(); //清看门狗
wdr
.dbline -2
.dbline 101
; }
L35:
.dbline 0 ; func end
ret
.dbsym r i 16 i
.dbend
.dbfunc e delay_nms _delay_nms fV
; i -> R20,R21
; n -> R22,R23
.even
_delay_nms::
rcall push_gset2
mov R22,R16
mov R23,R17
.dbline -1
.dbline 103
; void delay_nms(unsigned int n)//延时n毫秒
; {
.dbline 105
; unsigned int i;
; for (i=0;i<n;i++)//执行n次1毫秒延时
clr R20
clr R21
rjmp L44
L41:
.dbline 106
rcall _delay_1ms
L42:
.dbline 105
subi R20,255 ; offset = 1
sbci R21,255
L44:
.dbline 105
cp R20,R22
cpc R21,R23
brlo L41
.dbline -2
.dbline 107
; delay_1ms();
; }
L40:
rcall pop_gset2
.dbline 0 ; func end
ret
.dbsym r i 20 i
.dbsym r n 22 i
.dbend
.area vector(rom, abs)
.org 28
rjmp _adc_isr
.area text(rom, con, rel)
.dbfile E:\avrc\disp.c
.dbfunc e adc_isr _adc_isr fV
.even
_adc_isr::
st -y,R24
in R24,0x3f
st -y,R24
.dbline -1
.dbline 111
; //ADC完成中断
; #pragma interrupt_handler adc_isr:iv_ADC
; void adc_isr(void)
; {
.dbline 112
; ADMUX =(1<<REFS0)|(1<<REFS1)|(1<<MUX1)|(1<<MUX0);
ldi R24,195
out 0x7,R24
.dbline 113
; ADCSRA|=(1<<ADSC);//启动AD转换
sbi 0x6,6
.dbline -2
.dbline 114
; }
L45:
ld R24,y+
out 0x3f,R24
ld R24,y+
.dbline 0 ; func end
reti
.dbend
.area bss(ram, con, rel)
.dbfile E:\avrc\disp.c
_dp::
.blkb 1
.dbsym e dp _dp c
_count::
.blkb 2
.dbsym e count _count i
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