📄 test_usart.s
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.module test_usart.c
.area text(rom, con, rel)
.dbfile test_usart.c
.dbfunc e DELAY_1MS _DELAY_1MS fV
; i -> R16,R17
.even
_DELAY_1MS::
.dbline -1
.dbline 25
; //*************************************************
; //测试功能：下位机往上位机发送数据
; //测试方法：串口调试助手
; //测试结果：OK
; //时钟频率：外部8m
; //管脚分配：
; //注意事项：
; //完成时间：2009.03.15
; //**************************************************
;
; //**************************************************
; //头文件
; //**************************************************
; #include <iom16v.h>
; #include <macros.h>
; //**************************************************
;
;
; //**********************************************************
; //函数名称：void DELAY_1MS(void)
; //函数功能：延时1ms
; //注意事项：i=143*n-2
; //**********************************************************
; void DELAY_1MS(void)
; {
.dbline 27
; unsigned int i;
; for(i=1142;i>0;i--)
ldi R16,1142
ldi R17,4
xjmp L5
L2:
.dbline 28
L3:
.dbline 27
subi R16,1
sbci R17,0
L5:
.dbline 27
cpi R16,0
cpc R16,R17
brne L2
X0:
.dbline -2
L1:
.dbline 0 ; func end
ret
.dbsym r i 16 i
.dbend
.dbfunc e DELAY_NMS _DELAY_NMS fV
; n -> R20,R21
.even
_DELAY_NMS::
xcall push_gset1
movw R20,R16
.dbline -1
.dbline 36
; ;
; }
; //**********************************************************
; //函数名称：void DELAY_1MS(void)
; //函数功能：延时1ms
; //注意事项：i=143*n-2
; //**********************************************************
; void DELAY_NMS(unsigned int n)
; {
.dbline 37
; for(;n>0;n--)
xjmp L10
L7:
.dbline 38
xcall _DELAY_1MS
L8:
.dbline 37
subi R20,1
sbci R21,0
L10:
.dbline 37
cpi R20,0
cpc R20,R21
brne L7
X1:
.dbline -2
L6:
xcall pop_gset1
.dbline 0 ; func end
ret
.dbsym r n 20 i
.dbend
.dbfunc e USART_INIT _USART_INIT fV
.even
_USART_INIT::
.dbline -1
.dbline 46
; DELAY_1MS();
; }
; //*****************************************************
; //函数名称：void USART_INIT(void)
; //函数功能：8M,波特率9600
; //注意事项：
; //*****************************************************
; void USART_INIT(void)
; {
.dbline 47
; UBRR=0X33;//fosc=8mhz,波特率9600
ldi R24,51
out 0x9,R24
.dbline 48
; UCSRA=0X20;
ldi R24,32
out 0xb,R24
.dbline 49
; UCSRC=0X86;
ldi R24,134
out 0x20,R24
.dbline 50
; UCSRB=0X98;
ldi R24,152
out 0xa,R24
.dbline -2
L11:
.dbline 0 ; func end
ret
.dbend
.dbfunc e USART_TX _USART_TX fV
; data -> R20
.even
_USART_TX::
xcall push_gset1
mov R20,R16
.dbline -1
.dbline 58
; }
; //*****************************************************
; //函数名称：void USART_INIT(void)
; //函数功能：8M,波特率9600
; //注意事项：
; //*****************************************************
; void USART_TX(unsigned char data)
; {
.dbline 59
; UDR=data;
out 0xc,R20
L13:
.dbline 61
L14:
.dbline 60
; while(!(UCSRA&(1<<TXC)))
sbis 0xb,6
rjmp L13
.dbline 62
; ;
; DELAY_NMS(1);
ldi R16,1
ldi R17,0
xcall _DELAY_NMS
.dbline -2
L12:
xcall pop_gset1
.dbline 0 ; func end
ret
.dbsym r data 20 c
.dbend
.dbfunc e DATA_DISPLAY _DATA_DISPLAY fV
; temp -> y+0
; i -> R10
; data -> y+16
.even
_DATA_DISPLAY::
xcall push_arg4
xcall push_gset3
sbiw R28,10
.dbline -1
.dbline 70
; }
; //*****************************************************
; //函数名称：void USART_INIT(void)
; //函数功能：8M,波特率9600
; //注意事项：
; //*****************************************************
; void DATA_DISPLAY(unsigned long int data)
; {
.dbline 72
; unsigned char temp[10],i;
; temp[0]=(data/1000000000);
ldi R20,0
ldi R21,202
ldi R22,154
ldi R23,59
movw R30,R28
ldd R2,z+16
ldd R3,z+17
ldd R4,z+18
ldd R5,z+19
st -y,R23
st -y,R22
st -y,R21
st -y,R20
movw R16,R2
movw R18,R4
xcall div32u
std y+0,R16
.dbline 73
; temp[1]=(data/100000000)%10;
ldi R20,0
ldi R21,225
ldi R22,245
ldi R23,5
movw R30,R28
ldd R2,z+16
ldd R3,z+17
ldd R4,z+18
ldd R5,z+19
st -y,R23
st -y,R22
st -y,R21
st -y,R20
movw R16,R2
movw R18,R4
xcall div32u
ldi R20,10
ldi R21,0
ldi R22,0
ldi R23,0
st -y,R23
st -y,R22
st -y,R21
st -y,R20
xcall mod32u
std y+1,R16
.dbline 74
; temp[2]=(data/10000000)%10;
ldi R20,128
ldi R21,150
ldi R22,152
ldi R23,0
movw R30,R28
ldd R2,z+16
ldd R3,z+17
ldd R4,z+18
ldd R5,z+19
st -y,R23
st -y,R22
st -y,R21
st -y,R20
movw R16,R2
movw R18,R4
xcall div32u
ldi R20,10
ldi R21,0
ldi R22,0
ldi R23,0
st -y,R23
st -y,R22
st -y,R21
st -y,R20
xcall mod32u
std y+2,R16
.dbline 75
; temp[3]=(data/1000000)%10;
ldi R20,64
ldi R21,66
ldi R22,15
ldi R23,0
movw R30,R28
ldd R2,z+16
ldd R3,z+17
ldd R4,z+18
ldd R5,z+19
st -y,R23
st -y,R22
st -y,R21
st -y,R20
movw R16,R2
movw R18,R4
xcall div32u
ldi R20,10
ldi R21,0
ldi R22,0
ldi R23,0
st -y,R23
st -y,R22
st -y,R21
st -y,R20
xcall mod32u
std y+3,R16
.dbline 76
; temp[4]=(data/100000)%10;
ldi R20,160
ldi R21,134
ldi R22,1
ldi R23,0
movw R30,R28
ldd R2,z+16
ldd R3,z+17
ldd R4,z+18
ldd R5,z+19
st -y,R23
st -y,R22
st -y,R21
st -y,R20
movw R16,R2
movw R18,R4
xcall div32u
ldi R20,10
ldi R21,0
ldi R22,0
ldi R23,0
st -y,R23
st -y,R22
st -y,R21
st -y,R20
xcall mod32u
std y+4,R16
.dbline 77
; temp[5]=(data/10000)%10;
ldi R20,16
ldi R21,39
ldi R22,0
ldi R23,0
movw R30,R28
ldd R2,z+16
ldd R3,z+17
ldd R4,z+18
ldd R5,z+19
st -y,R23
st -y,R22
st -y,R21
st -y,R20
movw R16,R2
movw R18,R4
xcall div32u
ldi R20,10
ldi R21,0
ldi R22,0
ldi R23,0
st -y,R23
st -y,R22
st -y,R21
st -y,R20
xcall mod32u
std y+5,R16
.dbline 78
; temp[6]=(data/1000)%10;
ldi R20,232
ldi R21,3
ldi R22,0
ldi R23,0
movw R30,R28
ldd R2,z+16
ldd R3,z+17
ldd R4,z+18
ldd R5,z+19
st -y,R23
st -y,R22
st -y,R21
st -y,R20
movw R16,R2
movw R18,R4
xcall div32u
ldi R20,10
ldi R21,0
ldi R22,0
ldi R23,0
st -y,R23
st -y,R22
st -y,R21
st -y,R20
xcall mod32u
std y+6,R16
.dbline 79
; temp[7]=(data/100)%10;
ldi R20,100
ldi R21,0
ldi R22,0
ldi R23,0
movw R30,R28
ldd R2,z+16
ldd R3,z+17
ldd R4,z+18
ldd R5,z+19
st -y,R23
st -y,R22
st -y,R21
st -y,R20
movw R16,R2
movw R18,R4
xcall div32u
ldi R20,10
ldi R21,0
ldi R22,0
ldi R23,0
st -y,R23
st -y,R22
st -y,R21
st -y,R20
xcall mod32u
std y+7,R16
.dbline 80
; temp[8]=(data/10)%10;
ldi R20,10
ldi R21,0
ldi R22,0
ldi R23,0
movw R30,R28
ldd R2,z+16
ldd R3,z+17
ldd R4,z+18
ldd R5,z+19
st -y,R23
st -y,R22
st -y,R21
st -y,R20
movw R16,R2
movw R18,R4
xcall div32u
ldi R20,10
ldi R21,0
ldi R22,0
ldi R23,0
st -y,R23
st -y,R22
st -y,R21
st -y,R20
xcall mod32u
std y+8,R16
.dbline 81
; temp[9]=data%10;
ldi R20,10
ldi R21,0
ldi R22,0
ldi R23,0
movw R30,R28
ldd R2,z+16
ldd R3,z+17
ldd R4,z+18
ldd R5,z+19
st -y,R23
st -y,R22
st -y,R21
st -y,R20
movw R16,R2
movw R18,R4
xcall mod32u
std y+9,R16
.dbline 82
; for(i=0;i<10;i++)
clr R10
xjmp L29
L26:
.dbline 83
.dbline 84
movw R24,R28
mov R30,R10
clr R31
add R30,R24
adc R31,R25
ldd R16,z+0
xcall _USART_TX
.dbline 85
ldi R16,1
ldi R17,0
xcall _DELAY_NMS
.dbline 86
L27:
.dbline 82
inc R10
L29:
.dbline 82
mov R24,R10
cpi R24,10
brlo L26
.dbline -2
L16:
adiw R28,10
xcall pop_gset3
adiw R28,4
.dbline 0 ; func end
ret
.dbsym l temp 0 A[10:10]c
.dbsym r i 10 c
.dbsym l data 16 l
.dbend
.dbfunc e main _main fV
.even
_main::
.dbline -1
.dbline 92
; {
; USART_TX(temp[i]);
; DELAY_NMS(1);
; }
; }
; //**************************************************
; //主函数
; //**************************************************
; void main(void)
; {
.dbline 93
; USART_INIT();
xcall _USART_INIT
.dbline 94
; DATA_DISPLAY(4294967295);
ldi R16,255
ldi R17,255
ldi R18,255
ldi R19,255
xcall _DATA_DISPLAY
L31:
.dbline 96
L32:
.dbline 95
xjmp L31
X2:
.dbline -2
L30:
.dbline 0 ; func end
ret
.dbend
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