📄 m16_t1_capature.lst
字号:
__start:
__text_start:
0038 E5CF LDI R28,0x5F
0039 E0D4 LDI R29,4
003A BFCD OUT 0x3D,R28
003B BFDE OUT 0x3E,R29
003C 51C0 SUBI R28,0x10
003D 40D0 SBCI R29,0
003E EA0A LDI R16,0xAA
003F 8308 STD Y+0,R16
0040 2400 CLR R0
0041 E7EB LDI R30,0x7B
0042 E0F0 LDI R31,0
0043 E010 LDI R17,0
0044 37EF CPI R30,0x7F
0045 07F1 CPC R31,R17
0046 F011 BEQ 0x0049
0047 9201 ST R0,Z+
0048 CFFB RJMP 0x0044
0049 8300 STD Z+0,R16
004A E5E4 LDI R30,0x54
004B E0F0 LDI R31,0
004C E6A0 LDI R26,0x60
004D E0B0 LDI R27,0
004E E010 LDI R17,0
004F 36EF CPI R30,0x6F
0050 07F1 CPC R31,R17
0051 F021 BEQ 0x0056
0052 95C8 LPM
0053 9631 ADIW R30,1
0054 920D ST R0,X+
0055 CFF9 RJMP 0x004F
0056 940E00F5 CALL _main
_exit:
0058 CFFF RJMP _exit
_DelayMs:
j --> R20
i --> R16
0059 940E0186 CALL push_gset1
FILE: F:\myavr\temp\M16_T1_Capature\M16_T1_Capature.c
(0001) //***************FileName:Capature.C***************//
(0002) //***************ICCAVR V6.30编译*****************//
(0003)
(0004) #include <iom16v.h>
(0005) #include <macros.h>
(0006) #define uchar unsigned char
(0007) #define uint unsigned int
(0008)
(0009) #define CON 1000 //频率常数定义
(0010) uchar Flag=0; //捕获次数定义
(0011)
(0012) //数码管字型表，对应0，1，2，3，4，5，6，7，8，9,A,b,C,d,E,F//
(0013) uchar Table[20]={0x3f,0x06,0x5b,0x4f,0x66,0x6d,0x7d,0x07,
(0014) 0x7f,0x6f,0x77,0x7c,0x39,0x5E,0x79,0x71};
(0015) uchar Data[4]={0,0,0,0}; //显示初始值：0 0 0 0
(0016) uint CNT1; //第一次捕获值
(0017) uint CNT2; //第二此捕获值
(0018) uint CNT=100; //捕获差值
(0019)
(0020) void DelayMs(uint i) //Ms级延时，参数i为延时时间
(0021) {uint j;
(0022) for(;i!=0;i--)
005B C00A RJMP 0x0066
(0023) {for(j=250;j!=0;j--) {;}}
005C EF4A LDI R20,0xFA
005D E050 LDI R21,0
005E C002 RJMP 0x0061
005F 5041 SUBI R20,1
0060 4050 SBCI R21,0
0061 3040 CPI R20,0
0062 0745 CPC R20,R21
0063 F7D9 BNE 0x005F
0064 5001 SUBI R16,1
0065 4010 SBCI R17,0
0066 3000 CPI R16,0
0067 0701 CPC R16,R17
0068 F799 BNE 0x005C
(0024) }
0069 940E0189 CALL pop_gset1
006B 9508 RET
_Pre_Display:
i --> R20
006C 940E0186 CALL push_gset1
(0025)
(0026) void Pre_Display(void) //预显示函数，数码管显示检测
(0027) {uchar i;
(0028) for(i=0;i<16;i++)
006E 2744 CLR R20
006F C00E RJMP 0x007E
(0029) {PORTC=0x00;
0070 2422 CLR R2
0071 BA25 OUT 0x15,R2
(0030) PORTA=Table[i];
0072 E681 LDI R24,0x61
0073 E090 LDI R25,0
0074 2FE4 MOV R30,R20
0075 27FF CLR R31
0076 0FE8 ADD R30,R24
0077 1FF9 ADC R31,R25
0078 8020 LDD R2,Z+0
0079 BA2B OUT 0x1B,R2
(0031) DelayMs(100);
007A E604 LDI R16,0x64
007B E010 LDI R17,0
007C DFDC RCALL _DelayMs
007D 9543 INC R20
007E 3140 CPI R20,0x10
007F F380 BCS 0x0070
(0032) }
(0033) }
0080 940E0189 CALL pop_gset1
0082 9508 RET
_Display:
sel --> R20
i --> R22
p --> R10
0083 940E01A1 CALL push_gset3
0085 0158 MOVW R10,R16
(0034)
(0035) void Display(uchar *p) //动态显示函数，参数p为待显示的数组名
(0036) {uchar i,sel=0x08;
0086 E048 LDI R20,0x8
(0037) for(i=0;i<4;i++)
0087 2766 CLR R22
0088 C014 RJMP 0x009D
(0038) {PORTC=~sel; //选通最右边的数码管
0089 2E24 MOV R2,R20
008A 9420 COM R2
008B BA25 OUT 0x15,R2
(0039) PORTA=Table[p[i]]; //送字型码
008C 2FE6 MOV R30,R22
008D 27FF CLR R31
008E 0DEA ADD R30,R10
008F 1DFB ADC R31,R11
0090 81E0 LDD R30,Z+0
0091 27FF CLR R31
0092 E681 LDI R24,0x61
0093 E090 LDI R25,0
0094 0FE8 ADD R30,R24
0095 1FF9 ADC R31,R25
0096 8020 LDD R2,Z+0
0097 BA2B OUT 0x1B,R2
(0040) DelayMs(2); //显示延时
0098 E002 LDI R16,2
0099 E010 LDI R17,0
009A DFBE RCALL _DelayMs
(0041) sel=sel>>1; //移位以显示前一位
009B 9546 LSR R20
009C 9563 INC R22
009D 3064 CPI R22,4
009E F350 BCS 0x0089
(0042) }
(0043) }
009F 940E0183 CALL pop_gset3
00A1 9508 RET
_HZ:
TEM --> R22
p --> R20
i --> R10
00A2 940E01A1 CALL push_gset3
00A4 01A9 MOVW R20,R18
00A5 0158 MOVW R10,R16
(0044)
(0045) void HZ(uint i,uchar *p)
(0046) {uint TEM;
(0047) p[0]=CON/i;
00A6 EE08 LDI R16,0xE8
00A7 E013 LDI R17,3
00A8 0195 MOVW R18,R10
00A9 940E0159 CALL div16u
00AB 01FA MOVW R30,R20
00AC 8300 STD Z+0,R16
(0048) TEM=CON%i;
(0049) TEM=TEM*10;
(0050) p[1]=TEM/i;
00AD EE08 LDI R16,0xE8
00AE E013 LDI R17,3
00AF 0195 MOVW R18,R10
00B0 940E0157 CALL mod16u
00B2 01B8 MOVW R22,R16
00B3 E00A LDI R16,0xA
00B4 E010 LDI R17,0
00B5 019B MOVW R18,R22
00B6 940E0173 CALL empy16s
00B8 01B8 MOVW R22,R16
00B9 0195 MOVW R18,R10
00BA 940E0159 CALL div16u
00BC 01FA MOVW R30,R20
00BD 8301 STD Z+1,R16
(0051) TEM=TEM%i;
(0052) TEM=TEM*10;
(0053) p[2]=TEM/i;
00BE 0195 MOVW R18,R10
00BF 018B MOVW R16,R22
00C0 940E0157 CALL mod16u
00C2 01B8 MOVW R22,R16
00C3 E00A LDI R16,0xA
00C4 E010 LDI R17,0
00C5 019B MOVW R18,R22
00C6 940E0173 CALL empy16s
00C8 01B8 MOVW R22,R16
00C9 0195 MOVW R18,R10
00CA 940E0159 CALL div16u
00CC 01FA MOVW R30,R20
00CD 8302 STD Z+2,R16
(0054) TEM=TEM%i;
(0055) TEM=TEM*10;
(0056) p[3]=TEM/i;
00CE 0195 MOVW R18,R10
00CF 018B MOVW R16,R22
00D0 940E0157 CALL mod16u
00D2 01B8 MOVW R22,R16
00D3 E00A LDI R16,0xA
00D4 E010 LDI R17,0
00D5 019B MOVW R18,R22
00D6 940E0173 CALL empy16s
00D8 01B8 MOVW R22,R16
00D9 0195 MOVW R18,R10
00DA 940E0159 CALL div16u
00DC 01FA MOVW R30,R20
00DD 8303 STD Z+3,R16
(0057) }
00DE 940E0183 CALL pop_gset3
00E0 9508 RET
(0058)
(0059) void Init_IO(void) //初始化I/O口
(0060) {DDRA=0xff; //设置A口为推挽1输出
_Init_IO:
00E1 EF8F LDI R24,0xFF
00E2 BB8A OUT 0x1A,R24
(0061) PORTA=0xff;
00E3 BB8B OUT 0x1B,R24
(0062) DDRC=0xff; //设置C口为推挽1输出
00E4 BB84 OUT 0x14,R24
(0063) PORTC=0xff;
00E5 BB85 OUT 0x15,R24
(0064) DDRD=0x00; //设置D口为带上拉电阻输入
00E6 2422 CLR R2
00E7 BA21 OUT 0x11,R2
(0065) PORTD=0x00;
00E8 BA22 OUT 0x12,R2
(0066) }
00E9 9508 RET
(0067)
(0068) void Init_Timer1(void) //初始化T/C1的输入捕获中断
(0069) {TIMSK=TIMSK|0x20; //输入捕获使能
_Init_Timer1:
00EA B789 IN R24,0x39
00EB 6280 ORI R24,0x20
00EC BF89 OUT 0x39,R24
(0070) TCCR1B=0xC2; //输入捕获噪音使能，下降沿捕获，时钟8分频1uS计数一次。
00ED EC82 LDI R24,0xC2
00EE BD8E OUT 0x2E,R24
(0071) TIFR=0x20; //清中断标志
00EF E280 LDI R24,0x20
00F0 BF88 OUT 0x38,R24
(0072) SREG=SREG&0x7f; //全局中断关
00F1 B78F IN R24,0x3F
00F2 778F ANDI R24,0x7F
00F3 BF8F OUT 0x3F,R24
(0073) }
00F4 9508 RET
(0074)
(0075) void main(void)
(0076) {uchar i;
(0077) Init_IO(); //初始化I/O口
_main:
i --> R20
00F5 DFEB RCALL _Init_IO
(0078) PORTA=0xff; //点亮以测试所有的数码管
00F6 EF8F LDI R24,0xFF
00F7 BB8B OUT 0x1B,R24
(0079) PORTC=0xf0;
00F8 EF80 LDI R24,0xF0
00F9 BB85 OUT 0x15,R24
(0080) DelayMs(300);
00FA E20C LDI R16,0x2C
00FB E011 LDI R17,1
00FC DF5C RCALL _DelayMs
(0081) PORTC=0xff; //熄灭所有的数码管
00FD EF8F LDI R24,0xFF
00FE BB85 OUT 0x15,R24
(0082) Pre_Display(); //预显示，数码管显示测试
00FF DF6C RCALL _Pre_Display
(0083) PORTC=0xff;
0100 EF8F LDI R24,0xFF
0101 BB85 OUT 0x15,R24
(0084) Init_Timer1(); //T/C1初试化
0102 DFE7 RCALL _Init_Timer1
0103 C051 RJMP 0x0155
(0085) while(1)
(0086) {
(0087) while(TIFR&0x20) //捕获检测
(0088) {TIFR|=0x20; //清除捕获标志
0104 B788 IN R24,0x38
0105 6280 ORI R24,0x20
0106 BF88 OUT 0x38,R24
(0089) CNT=ICR1L; //CNT暂存
(0090) CNT2=(ICR1H<<8)+ICR1L; //CNT2存放当前捕获值
(0091) CNT=CNT2-CNT1; //CNT存放两次时间差
(0092) CNT1=CNT2; //CNT1存放上次捕获值
(0093) Flag++;} //检测到第一次捕获
0107 B426 IN R2,0x26
0108 2433 CLR R3
0109 9230007A STS 0x7A,R3
010B 92200079 STS 0x79,R2
010D B426 IN R2,0x26
010E B437 IN R3,0x27
010F 9230007C STS _CNT2+1,R3
0111 9220007B STS _CNT2,R2
0113 9020007D LDS R2,_CNT1
0115 9030007E LDS R3,_CNT1+1
0117 9040007B LDS R4,_CNT2
0119 9050007C LDS R5,_CNT2+1
011B 1842 SUB R4,R2
011C 0853 SBC R5,R3
011D 9250007A STS 0x7A,R5
011F 92400079 STS 0x79,R4
0121 9020007B LDS R2,_CNT2
0123 9030007C LDS R3,_CNT2+1
0125 9230007E STS _CNT1+1,R3
0127 9220007D STS _CNT1,R2
0129 91800060 LDS R24,0x60
012B 5F8F SUBI R24,0xFF
012C 93800060 STS 0x60,R24
012E B628 IN R2,0x38
012F FC25 SBRC R2,5
0130 CFD3 RJMP 0x0104
(0094) if(Flag==2) //检测到第二此捕获
0131 91800060 LDS R24,0x60
0133 3082 CPI R24,2
0134 F501 BNE 0x0155
(0095) {Flag=0; //清除捕获检测标志
(0096) HZ(CNT,Data); //数据处理
0135 2422 CLR R2
0136 92200060 STS 0x60,R2
0138 E725 LDI R18,0x75
0139 E030 LDI R19,0
013A 91000079 LDS R16,0x79
013C 9110007A LDS R17,0x7A
013E DF63 RCALL _HZ
(0097) for(i=0;i<100;i++) //频率显示
013F 2744 CLR R20
0140 C004 RJMP 0x0145
(0098) Display(Data);
0141 E705 LDI R16,0x75
0142 E010 LDI R17,0
0143 DF3F RCALL _Display
0144 9543 INC R20
0145 3644 CPI R20,0x64
0146 F3D0 BCS 0x0141
(0099) CNT=0;CNT1=0;CNT2=0;}} //清除捕获值及捕获差值
0147 2422 CLR R2
0148 2433 CLR R3
0149 9230007A STS 0x7A,R3
014B 92200079 STS 0x79,R2
014D 9230007E STS _CNT1+1,R3
014F 9220007D STS _CNT1,R2
0151 9230007C STS _CNT2+1,R3
0153 9220007B STS _CNT2,R2
0155 CFD8 RJMP 0x012E
(0100) }
FILE: <library>
0156 9508 RET
mod16u:
0157 9468 BSET 6
0158 C001 RJMP xdiv16u
div16u:
0159 94E8 BCLR 6
xdiv16u:
015A 92EA ST R14,-Y
015B 92FA ST R15,-Y
015C 938A ST R24,-Y
015D 24EE CLR R14
015E 24FF CLR R15
015F E180 LDI R24,0x10
0160 0F00 LSL R16
0161 1F11 ROL R17
0162 1CEE ROL R14
0163 1CFF ROL R15
0164 16E2 CP R14,R18
0165 06F3 CPC R15,R19
0166 F018 BCS 0x016A
0167 1AE2 SUB R14,R18
0168 0AF3 SBC R15,R19
0169 9503 INC R16
016A 958A DEC R24
016B F7A1 BNE 0x0160
016C F416 BRTC 0x016F
016D 2D0E MOV R16,R14
016E 2D1F MOV R17,R15
016F 9189 LD R24,Y+
0170 90F9 LD R15,Y+
0171 90E9 LD R14,Y+
0172 9508 RET
empy16s:
0173 920A ST R0,-Y
0174 921A ST R1,-Y
0175 938A ST R24,-Y
0176 939A ST R25,-Y
0177 9F02 MUL R16,R18
0178 01C0 MOVW R24,R0
0179 9F12 MUL R17,R18
017A 0D90 ADD R25,R0
017B 9F03 MUL R16,R19
017C 0D90 ADD R25,R0
017D 018C MOVW R16,R24
017E 9199 LD R25,Y+
017F 9189 LD R24,Y+
0180 9019 LD R1,Y+
0181 9009 LD R0,Y+
0182 9508 RET
pop_gset3:
0183 E0E4 LDI R30,4
0184 940C018A JMP pop
push_gset1:
0186 935A ST R21,-Y
0187 934A ST R20,-Y
0188 9508 RET
pop_gset1:
0189 E0E1 LDI R30,1
pop:
018A 9149 LD R20,Y+
018B 9159 LD R21,Y+
018C FDE0 SBRC R30,0
018D 9508 RET
018E 9169 LD R22,Y+
018F 9179 LD R23,Y+
0190 FDE1 SBRC R30,1
0191 9508 RET
0192 90A9 LD R10,Y+
0193 90B9 LD R11,Y+
0194 FDE2 SBRC R30,2
0195 9508 RET
0196 90C9 LD R12,Y+
0197 90D9 LD R13,Y+
0198 FDE3 SBRC R30,3
0199 9508 RET
019A 90E9 LD R14,Y+
019B 90F9 LD R15,Y+
019C 9508 RET
push_gset2:
019D 937A ST R23,-Y
019E 936A ST R22,-Y
019F 940C0186 JMP push_gset1
push_gset3:
01A1 92BA ST R11,-Y
01A2 92AA ST R10,-Y
01A3 940C019D JMP push_gset2
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