[问答]

单片机为Attiny45的程序问题

问答对人有帮助，内容完整，我也想知道答案 0 ;该单片机为Attiny45，该程序有哪些功能，菜鸟刚学看不太明白 ;--------------------------------------- ; byte constants: ; .equ k00 = 0x00 ; .equ k01 = 0x01 ; .equ k02 = 0x02 ; .equ k03 = 0x03 ; .equ k04 = 0x04 ; .equ k05 = 0x05 ; .equ k08 = 0x08 ; .equ k09 = 0x09 ; .equ k0A = 0x0A ; .equ k0D = 0x0D ; .equ k10 = 0x10 ; .equ k11 = 0x11 ; .equ k14 = 0x14 ; .equ k18 = 0x18 ; .equ k1E = 0x1E ; .equ k27 = 0x27 ; ''' .equ k2F = 0x2F ; '/' .equ k30 = 0x30 ; '0' .equ k32 = 0x32 ; '2' .equ k37 = 0x37 ; '7' .equ k3F = 0x3F ; '?' .equ k41 = 0x41 ; 'A' .equ k43 = 0x43 ; 'C' .equ k46 = 0x46 ; 'F' .equ k49 = 0x49 ; 'I' .equ k4D = 0x4D ; 'M' .equ k4E = 0x4E ; 'N' .equ k4F = 0x4F ; 'O' .equ k50 = 0x50 ; 'P' .equ k52 = 0x52 ; 'R' .equ k54 = 0x54 ; 'T' .equ k55 = 0x55 ; 'U' .equ k56 = 0x56 ; 'V' .equ k57 = 0x57 ; 'W' .equ k59 = 0x59 ; 'Y' .equ k5F = 0x5F ; '_' .equ k60 = 0x60 ; '`' .equ k64 = 0x64 ; 'd' .equ k80 = 0x80 ; .equ kA0 = 0xA0 ; '? .equ kA5 = 0xA5 ; '? .equ kAC = 0xAC ; '? .equ kAE = 0xAE ; '? .equ kC4 = 0xC4 ; '? .equ kC8 = 0xC8 ; '? .equ kE8 = 0xE8 ; '? .equ kF7 = 0xF7 ; '? .equ kFA = 0xFA ; '? .equ kFF = 0xFF ; '' ; ; io register addresses: ; .equ p03 = 0x03 .equ p08 = 0x08 .equ p0D = 0x0D .equ p11 = 0x11 .equ p12 = 0x12 .equ p13 = 0x13 .equ p16 = 0x16 .equ p17 = 0x17 .equ p18 = 0x18 .equ p1C = 0x1C .equ p1D = 0x1D .equ p1E = 0x1E .equ p21 = 0x21 .equ p26 = 0x26 .equ p27 = 0x27 .equ p28 = 0x28 .equ p29 = 0x29 .equ p2A = 0x2A .equ p2B = 0x2B .equ p2C = 0x2C .equ p2D = 0x2D .equ p2E = 0x2E .equ p2F = 0x2F .equ p30 = 0x30 .equ p32 = 0x32 .equ p33 = 0x33 .equ p34 = 0x34 .equ p35 = 0x35 .equ p39 = 0x39 .equ p3B = 0x3B .equ p3D = 0x3D .equ p3E = 0x3E .equ p3F = 0x3F ; ; pointer offsets: ; .equ o00 = 0x00 .equ o01 = 0x01 .equ o02 = 0x02 .equ o03 = 0x03 .equ o04 = 0x04 .equ o07 = 0x07 ; ; bit numbers: ; .equ b0 = 0x00 .equ b1 = 0x01 .equ b2 = 0x02 .equ b3 = 0x03 .equ b4 = 0x04 .equ b5 = 0x05 .equ b6 = 0x06 .equ b7 = 0x07 ;--------------------------------------- ; L0000: rjmp _reset ; L0010 ; ----------- jump on last line rjmp L0000 ; ----------- jump on last line rjmp L0000 ; ----------- jump on last line rjmp L0000 ; ----------- jump on last line rjmp L0000 ; ----------- jump on last line rjmp L0000 ; ----------- jump on last line rjmp L0000 ; ----------- jump on last line rjmp L0000 ; ----------- jump on last line rjmp L0000 ; ----------- jump on last line rjmp L0000 ; ----------- jump on last line rjmp L0000 ; ----------- jump on last line rjmp L0000 ; ----------- jump on last line rjmp L0000 ; ----------- jump on last line rjmp L0000 ; ----------- jump on last line rjmp L0000 ; ----------- jump on last line nop ; _reset: ; L0010: cli clr r30 out p1C,r30 out p35,r30 ldi r31,k18 wdr ; pc=0x16(0x2C) ; in r26,p34 andi r26,kF7 out p34,r26 out p21,r31 out p21,r30 ldi r24,k0D ldi r26,k02 clr r27 L001E: st X+,r30 dec r24 brne L001E ; ----- branch on last line ldi r24,k00 ldi r25,k01 ldi r26,k60 L0024: st X+,r30 *iw r24,k01 brne L0024 ; ----- branch on last line ldi r30,k1E ldi r31,k00 L0029: lpm r24,Z+ lpm r25,Z+ iw r24,k00 breq L0039 ; ----- branch on last line lpm r26,Z+ lpm r27,Z+ lpm r0,Z+ lpm r1,Z+ movw r22,r30 movw r30,r0 L0033: lpm r0,Z+ st X+,r0 *iw r24,k01 brne L0033 ; ----- branch on last line movw r30,r22 rjmp L0029 ; ----------- jump on last line L0039: ldi r30,k00 out p11,r30 ldi r30,k00 out p12,r30 ldi r30,k00 out p13,r30 ldi r30,k5F out p3D,r30 ldi r30,k01 out p3E,r30 ldi r28,kA0 ldi r29,k00 rjmp L012A ; ----------- jump on last line L0046: ldi r30,k80 out p26,r30 ldi r30,k00 out p26,r30 ldi r30,k3F out p18,r30 rcall L021E ldi r30,k00 out p2A,r30 out p33,r30 out p32,r30 out p29,r30 out p28,r30 out p27,r30 out p30,r30 out p2C,r30 out p2F,r30 out p2E,r30 out p2B,r30 out p2D,r30 out p3B,r30 out p35,r30 out p39,r30 out p0D,r30 ldi r30,k80 out p08,r30 ldi r30,k00 out p03,r30 ret ;---------------------- ; pc=0x63(0xC6) ; L0063: rcall L02AE ldi r17,k00 ldi r18,k00 ldi r16,k00 L0067: cpi r16,k0A brcc L006F ; ----- branch on last line rcall L0221 subi r30,k60 *ci r31,kFF rcall L0224 subi r16,kFF rjmp L0067 ; ----------- jump on last line L006F: ldi r17,k10 ldi r18,k00 ldi r16,k00 L0072: cpi r16,k02 brcc L007A ; ----- branch on last line rcall L0221 subi r30,k54 ci r31,kFF rcall L0224 subi r16,kFF rjmp L0072 ; ----------- jump on last line L007A: ldi r17,k14 ldi r18,k00 ldi r16,k00 L007D: cpi r16,k02 brcc L0085 ; ----- branch on last line rcall L0221 subi r30,k52 ci r31,kFF rcall L0224 subi r16,kFF rjmp L007D ; ----------- jump on last line L0085: ldi r17,k18 ldi r18,k00 ldi r16,k00 L0088: cpi r16,k04 brcc L0090 ; ----- branch on last line rcall L0221 subi r30,k50 ci r31,kFF rcall L0224 subi r16,kFF rjmp L0088 ; ----------- jump on last line L0090: rcall L02B4 adiw r28,k03 ret ;---------------------- ; pc=0x93(0x126) ; L0093: rcall L02AC ldi r17,k00 ldi r18,k00 ldi r19,kA0 ldi r20,k00 ldi r16,k00 L0099: cpi r16,k02 brcc L00A3 ; ----- branch on last line push r18 push r17 rcall L022D pop r26 pop r27 rcall L0235 subi r16,kFF rjmp L0099 ; ----------- jump on last line L00A3: ldi r17,k10 ldi r18,k00 ldi r19,kAC ldi r20,k00 ldi r16,k00 L00A8: cpi r16,k02 brcc L00B2 ; ----- branch on last line push r18 push r17 rcall L022D pop r26 pop r27 rcall L0235 subi r16,kFF rjmp L00A8 ; ----------- jump on last line L00B2: ldi r17,k14 ldi r18,k00 ldi r19,kAE ldi r20,k00 ldi r16,k00 L00B7: cpi r16,k02 brcc L00C1 ; ----- branch on last line push r18 push r17 rcall L022D pop r26 pop r27 rcall L0235 subi r16,kFF rjmp L00B7 ; ----------- jump on last line L00C1: rcall L02B2 adiw r28,k05 ret ;----------------------* ; pc=0xC4(0x188) ; L00C4: rcall L02AF ldi r17,k80 ldi r30,k3F out p17,r30 rcall L023A rcall L0242 ldi r16,k00 L00CB: cpi r16,k08 brcc L00DE ; ----- branch on last line rcall L023A mov r30,r17 ldd r26,Y+o02 and r30,r26 cpi r30,k80 brne L00D5 ; ----- branch on last line **i p18,b3 rjmp L00D8 ; ----------- jump on last line L00D5: in r30,p18 andi r30,k37 out p18,r30 L00D8: ldd r30,Y+o02 lsl r30 std Y+o02,r30 rcall L0242 subi r16,kFF rjmp L00CB ; ----------- jump on last line L00DE: rcall L021E ldi r30,k02 ldi r31,k00 rcall L0248 rcall L02B5 adiw r28,k03 ret ;---------------------- ; pc=0xE5(0x1CA) ; L00E5: rcall L02AD ldi r17,k00 rcall L021E L00E8: rcall L024B ; --------- this is skippy *is p16,b4 rjmp L00EC ; --------- last may be skipped ; pc=0xEB(0x1D6) ; rjmp L00E8 ; ----------- jump on last line L00EC: ldi r24,kFA ldi r25,k00 L00EE: iw r24,k01 brne L00EE ; ----- branch on last line rcall L024F L00F1: cpi r18,kE8 ldi r30,k03 cpc r19,r30 brcc L00FD ; ----- branch on last line in r30,p16 andi r30,k10 cpi r30,k10 breq L00FD ; ----- branch on last line rcall L024B subi r18,kFF ci r19,kFF rjmp L00F1 ; ----------- jump on last line L00FD: ldi r24,k11 L00FE: dec r24 brne L00FE ; ----- branch on last line ldi r16,k00 L0101: cpi r16,k08 brcc L0126 ; ----- branch on last line rcall L024F L0104: cpi r18,kC8 ldi r30,k00 cpc r19,r30 brcc L010E ; ----- branch on last line ; --------- this is skippy is p16,b4 rjmp L010E ; --------- last may be skipped ; pc=0x10A(0x214) ; rcall L024B subi r18,kFF ci r19,kFF rjmp L0104 ; ----------- jump on last line L010E: ldi r24,k11 L010F: dec r24 brne L010F ; ----- branch on last line rcall L024F L0112: cpi r18,kC8 ldi r30,k00 cpc r19,r30 brcc L011E ; ----- branch on last line in r30,p16 andi r30,k10 cpi r30,k10 breq L011E ; ----- branch on last line rcall L024B subi r18,kFF ci r19,kFF rjmp L0112 ; ----------- jump on last line L011E: lsl r17 in r30,p16 andi r30,k08 cpi r30,k08 brne L0124 ; ----- branch on last line ori r17,k01 L0124: subi r16,kFF rjmp L0101 ; ----------- jump on last line L0126: mov r30,r17 rcall L02B3 adiw r28,k04 ret ;---------------------- ; pc=0x12A(0x254) ; L012A: **iw r28,k08 ldi r17,k00 rcall L0046 L012D: rcall L00E5 cpi r30,k56 brne L015E ; ----- branch on last line rcall L00E5 cpi r30,k32 brne L015E ; ----- branch on last line rcall L00E5 mov r20,r30 cpi r20,k30 brne L014A ; ----- branch on last line ldi r16,k00 L0138: cpi r16,k08 brcc L0144 ; ----- branch on last line rcall L0221 rcall L0252 push r31 push r30 rcall L00E5 pop r26 pop r27 st X,r30 subi r16,kFF rjmp L0138 ; ----------- jump on last line L0144: ldi r30,k0A ldi r31,k00 rcall L0248 rcall L0256 ldi r17,k01 rjmp L015E ; ----------- jump on last line L014A: cpi r20,k57 brne L015E ; ----- branch on last line ldi r16,k00 L014D: cpi r16,k08 brcc L0159 ; ----- branch on last line rcall L0221 rcall L0252 push r31 push r30 rcall L00E5 pop r26 pop r27 st X,r30 subi r16,kFF rjmp L014D ; ----------- jump on last line L0159: ldi r30,k0A ldi r31,k00 rcall L0248 rcall L0256 ldi r17,k64 L015E: cpi r17,k01 brne L0190 ; ----- branch on last line rcall L00E5 cpi r30,k43 brne L0190 ; ----- branch on last line rcall L00E5 cpi r30,kA5 brne L0190 ; ----- branch on last line ldi r30,k00 ldi r31,k00 movw r18,r30 movw r2,r30 rcall L0063 lds r2,D00A0 clr r3 lds r31,D00A1 ldi r30,k00 add r2,r30 adc r3,r31 movw r30,r2 adiw r30,k01 movw r2,r30 rcall L0265 st -Y,r2 rcall L00C4 mov r30,r3 rcall L0268 rcall L00E5 mov r18,r30 clr r19 rcall L00E5 mov r31,r30 ldi r30,k00 rcall L026B rcall L0265 cp r2,r18 cpc r3,r19 brne L018D ; ----- branch on last line movw r30,r2 sts D00A0,r30 sts D00A1,r3 rcall L026E rjmp L018F ; ----------- jump on last line L018D: ldi r30,k4E rcall L0272 L018F: ldi r17,k02 L0190: cpi r17,k02 brne L01A0 ; ----- branch on last line rcall L00E5 cpi r30,k59 brne L01A0 ; ----- branch on last line rcall L0265 lds r30,D00A2 rcall L0272 lds r30,D00A3 rcall L0272 lds r30,D00A4 rcall L0272 ldi r17,k03 L01A0: cpi r17,k03 brne L01AD ; ----- branch on last line rcall L00E5 cpi r30,k41 brne L01AD ; ----- branch on last line rcall L0265 lds r30,D00A5 rcall L0272 lds r30,D00A6 rcall L0272 ldi r17,k04 L01AD: cpi r17,k04 brne L01C3 ; ----- branch on last line rcall L00E5 cpi r30,k55 brne L01C3 ; ----- branch on last line rcall L00E5 cpi r30,k43 brne L01C3 ; ----- branch on last line rcall L0265 lds r30,D00B0 rcall L0272 lds r30,D00B1 rcall L0272 lds r30,D00B2 rcall L0272 lds r30,D00B3 rcall L0272 ldi r17,k05 L01C3: cpi r17,k05 brne L01DD ; ----- branch on last line rcall L00E5 cpi r30,k52 brne L01DD ; ----- branch on last line rcall L00E5 cpi r30,k43 brne L01DD ; ----- branch on last line rcall L0274 rcall L0279 mov r4,r18 mov r5,r19 rcall L024F rcall L0280 mov r6,r18 mov r7,r19 rcall L0265 st -Y,r4 rcall L00C4 mov r30,r5 rcall L0268 st -Y,r6 rcall L00C4 mov r30,r7 rcall L0268 ldi r17,k00 L01DD: cpi r17,k64 breq L01E0 ; ----- branch on last line rjmp L021B ; ----------- jump on last line L01E0: rcall L0063 rcall L0274 rcall L0279 mov r4,r18 mov r5,r19 rcall L024F rcall L0280 mov r6,r18 mov r7,r19 rcall L00E5 cpi r30,k49 brne L021B ; ----- branch on last line rcall L00E5 mov r20,r30 rcall L0265 cpi r20,k50 brne L01FB ; ----- branch on last line movw r30,r4 adiw r30,k01 movw r4,r30 movw r30,r4 sts D00AC,r30 sts D00AD,r5 rcall L026E rjmp L021A ; ----------- jump on last line L01FB: cpi r20,k46 brne L0207 ; ----- branch on last line movw r30,r6 adiw r30,k01 movw r6,r30 movw r30,r6 sts D00AE,r30 sts D00AF,r7 rcall L026E rjmp L021A ; ----------- jump on last line L0207: cpi r20,k43 brne L0218 ; ----- branch on last line ldi r30,k00 sts D00A0,r30 sts D00A1,r30 sts D00AC,r30 sts D00AD,r30 sts D00AE,r30 sts D00AF,r30 rcall L026E rjmp L021A ; ----------- jump on last line L0218: ldi r30,k4E rcall L0272 L021A: ldi r17,k00 L021B: rcall L021E rjmp L012D ; ----------- jump on last line L021D: rjmp L021D ; ----------- jump on last line ; pc=0x21E(0x43C) ; L021E: ldi r30,k27 out p17,r30 ret ;---------------------- ; pc=0x221(0x442) ; L0221: mov r30,r16 ldi r31,k00 ret ;----------------------* ; pc=0x224(0x448) ; L0224: movw r0,r30 mov r26,r17 mov r27,r18 subi r17,kFF **ci r18,kFF rcall L0293 movw r26,r0 st X,r30 ret ;---------------------- ; pc=0x22D(0x45A) ; L022D: subi r17,kFF *ci r18,kFF mov r26,r19 mov r27,r20 subi r19,kFF ci r20,kFF ld r30,X ret ;---------------------- ; pc=0x235(0x46A) ; L0235: rcall L029E ldi r24,k03 L0237: dec r24 brne L0237 ; ----- branch on last line ret ;----------------------* ; pc=0x23A(0x474) ; L023A: in r30,p18 andi r30,k2F out p18,r30 ldi r24,kC8 ldi r25,k00 L023F: **iw r24,k01 brne L023F ; ----- branch on last line ret ;---------------------- ; pc=0x242(0x484) ; L0242: *i p18,b4 ldi r24,kC8 ldi r25,k00 L0245: iw r24,k01 brne L0245 ; ----- branch on last line ret ;---------------------- ; pc=0x248(0x490) ; L0248: st -Y,r31 st -Y,r30 rjmp L0287 ; ----------- jump on last line L024B: ldi r24,k03 L024C: dec r24 brne L024C ; ----- branch on last line ret ;----------------------* ; pc=0x24F(0x49E) ; L024F: ldi r18,k00 ldi r19,k00 ret ;----------------------* ; pc=0x252(0x4A4) ; L0252: movw r26,r28 add r30,r26 adc r31,r27 ret ;----------------------* ; pc=0x256(0x4AC) ; L0256: ldd r26,Y+o01 ldi r30,k43 eor r30,r26 st -Y,r30 rcall L00C4 ldd r26,Y+o03 ldi r30,k4F eor r30,r26 st -Y,r30 rcall L00C4 ldd r26,Y+o07 ldi r30,k4D eor r30,r26 st -Y,r30 rjmp L00C4 ; ----------- jump on last line L0265: ldi r30,k05 ldi r31,k00 rjmp L0248 ; ----------- jump on last line L0268: andi r31,k00 st -Y,r30 rjmp L00C4 ; ----------- jump on last line L026B: add r18,r30 adc r19,r31 ret ;----------------------* ; pc=0x26E(0x4DC) ; L026E: ldi r30,k59 st -Y,r30 rcall L00C4 rjmp L0093 ; ----------- jump on last line L0272: st -Y,r30 rjmp L00C4 ; ----------- jump on last line L0274: ldi r30,k00 ldi r31,k00 movw r6,r30 movw r4,r30 rjmp L024F ; ----------- jump on last line L0279: lds r18,D00AC clr r19 lds r31,D00AD ldi r30,k00 rjmp L026B ; ----------- jump on last line L0280: lds r18,D00AE clr r19 lds r31,D00AF ldi r30,k00 rjmp L026B ; ----------- jump on last line L0287: ld r30,Y+ ld r31,Y+ adiw r30,k00 breq L0292 ; ----- branch on last line L028B: ldi r24,kC4 ldi r25,k09 L028D: *iw r24,k01 brne L028D ; ----- branch on last line wdr ; pc=0x290(0x520) ; iw r30,k01 brne L028B ; ----- branch on last line L0292: ret ;---------------------- ; pc=0x293(0x526) ; L0293: ; --------- this is skippy *ic p1C,b1 rjmp L0293 ; --------- last may be skipped ; pc=0x295(0x52A) ; push r31 in r31,p3F cli out p1E,r26 i p1C,b0 in r30,p1D out p3F,r31 pop r31 ret ;---------------------- ; pc=0x29E(0x53C) ; L029E: ; --------- this is skippy *ic p1C,b1 rjmp L029E ; --------- last may be skipped ; pc=0x2A0(0x540) ; in r25,p3F cli out p1E,r26 i p1C,b0 in r24,p1D cp r30,r24 breq L02AA ; ----- branch on last line out p1D,r30 i p1C,b2 i p1C,b1 L02AA: out p3F,r25 ret ;---------------------- ; pc=0x2AC(0x558) ; L02AC: st -Y,r20 L02AD: st -Y,r19 L02AE: st -Y,r18 L02AF: st -Y,r17 st -Y,r16 ret ;----------------------* ; pc=0x2B2(0x564) ; L02B2: ldd r20,Y+o04 L02B3: ldd r19,Y+o03 L02B4: ldd r18,Y+o02 L02B5: ldd r17,Y+o01 ldd r16,Y+o00 ret ;----------------------* 0
2012-10-25 22:49:28　　评论淘帖0 邀请回答您可以邀请以下用户，快速回答问题 × 谢新貌该类别下有 43 个回答。邀请回答新星之火12138 该类别下有 39 个回答。邀请回答 911119qianhao 该类别下有 35 个回答。邀请回答 hgimtk 该类别下有 32 个回答。邀请回答 wang21cj 该类别下有 31 个回答。邀请回答独孤辉二该类别下有 27 个回答。邀请回答 wuli北该类别下有 25 个回答，其中被选为最佳答案 1 次。邀请回答修罗君该类别下有 24 个回答，其中被选为最佳答案 1 次。邀请回答 butterflydw 该类别下有 24 个回答。邀请回答牛牛爱吃草该类别下有 24 个回答。邀请回答 horayte 该类别下有 24 个回答，其中被选为最佳答案 1 次。邀请回答 hy381 该类别下有 24 个回答。邀请回答周鹏生该类别下有 24 个回答。邀请回答 hisysteeoke 该类别下有 23 个回答。邀请回答名士流该类别下有 23 个回答。邀请回答大洼球王该类别下有 23 个回答。邀请回答 32949523596693 该类别下有 23 个回答。邀请回答蔡甸一角该类别下有 23 个回答。邀请回答 testd27 该类别下有 22 个回答，其中被选为最佳答案 1 次。邀请回答 ggfx 该类别下有 22 个回答，其中被选为最佳答案 1 次。邀请回答举报 ganninid 相关推荐 • 只有6个引脚的AVR单片机ATtiny10微控制器可以玩RunTiny游戏吗？ 717 • 有人做过stc单片机对LR45B解码程序没？ 3699 • MCS—96系列单片机中 2192 • 请教下单片机休眠后的复位问题 4389 • 怎样为单片机去烧写程序？ 2602 • 有关用单片机去选频的问题 2653 • 单片机程序 3821 • 请问单片机点亮LED灯程序中为什么LED=0为亮，LED=1为灭？ 11666 • 单片机程序是如何运行的？ 2624 • 51单片机与驱动器怎么连线？ 265 2个回答

答案对人有帮助，有参考价值 0 看datasheet吧，谁脑残，有那么多时间看这个！

2012-10-25 23:48:09 评论举报张三

答案对人有帮助，有参考价值 0 直接贴这么多代码，没人会看的。问问题要简洁扼要

2012-10-26 10:25:59 评论举报 oyl