‘壹’ 单片机上的源代码和固件有什么区别
源代码就是人能看懂的程序代码,通常说写程序也就是写的源代码;固件是源码经过编译过后生成的目标程序,是二进制代码,一般为bin或hex格式,烧录进单片机能够被识别和执行。
‘贰’ 单片机源代码C语言怎么转化回汇编语言啊,就是带MOV,JMP的种
帮你转了
ORG 0000H
DB 02H
NOP
L0002H:
CPL A
RR A
INC R5
NOP
NOP
NOP
NOP
MOV R7, A
MOV R7, A
LJMP L0180H
L000EH:
MOV 89H, #01H
MOV 8CH, #0F0H
MOV 8AH, #60H
SETB 88H.4
SETB 0A8H.1
SETB 0A8H.7
CLR A
MOV 08H, A
MOV 09H, A
MOV 80H, #14H
MOV 0CH, A
MOV R6, 0AH
MOV R7, 0BH
MOV R4, A
MOV R5, #0AH
LCALL L01DEH
MOV 0DH, R7
MOV R6, 0AH
MOV R7, 0BH
MOV R4, #00H
MOV R5, #0AH
LCALL L01DEH
MOV 0EH, R5
MOV 0FH, 09H
L0043H:
CLR C
MOV A, 0BH
SUBB A, #14H
MOV A, 0AH
SUBB A, #00H
JNC L0052H
MOV R7, #01H
SJMP L0054H
L0052H:
MOV R7, #00H
L0054H:
JB 0B0H.1, L005BH
MOV R6, #01H
SJMP L005DH
L005BH:
MOV R6, #00H
L005DH:
MOV A, R7
ANL A, R6
JZ L008CH
MOV R3, #0F5H
L0063H:
DJNZ R3, L0063H
JB 0B0H.1, L008CH
MOV A, 09H
XRL A, #09H
ORL A, 08H
JNZ L007FH
INC 0BH
MOV A, 0BH
JNZ L0078H
INC 0AH
L0078H:
CLR A
MOV 08H, A
MOV 09H, A
SJMP L0087H
L007FH:
INC 09H
MOV A, 09H
JNZ L0087H
INC 08H
L0087H:
INC 80H
L0089H:
JNB 0B0H.1, L0089H
L008CH:
JB 0B0H.0, L00D4H
MOV R3, #0F5H
L0091H:
DJNZ R3, L0091H
JB 0B0H.0, L00D4H
MOV A, 09H
ORL A, 08H
JNZ L00ACH
MOV A, 0BH
DEC 0BH
JNZ L00A4H
DEC 0AH
L00A4H:
MOV 08H, #00H
MOV 09H, #09H
SJMP L00B4H
L00ACH:
MOV A, 09H
DEC 09H
JNZ L00B4H
DEC 08H
L00B4H:
CLR C
MOV A, 0BH
SUBB A, #02H
MOV A, 0AH
SUBB A, #00H
JNC L00CFH
MOV 0AH, #00H
MOV 0BH, #02H
CLR A
MOV 08H, A
MOV 09H, A
DB 75H, 80H
L00CCH:
DEC A
SJMP L00D1H
L00CFH:
DEC 80H
L00D1H:
JNB 0B0H.0, L00D1H
L00D4H:
MOV R6, 0AH
MOV R7, 0BH
MOV R4, #00H
MOV R5, #0AH
LCALL L01DEH
MOV 0DH, R7
MOV R6, 0AH
MOV R7, 0BH
MOV R4, #00H
MOV R5, #0AH
LCALL L01DEH
MOV 0EH, R5
MOV 0FH, 09H
LJMP L0043H
L00F4H:
MOV R0, #7FH
CLR A
L00F7H:
MOV @R0, A
DJNZ R0, L00F7H
MOV 81H, #0FH
LJMP L013BH
L0100H:
LJMP L000EH
L0103H:
CLR A
MOVC A, @A+DPTR
INC DPTR
MOV R0, A
L0107H:
CLR A
MOVC A, @A+DPTR
INC DPTR
JC L010FH
MOV @R0, A
SJMP L0110H
L010FH:
MOVX @R0, A
L0110H:
INC R0
DJNZ R7, L0107H
SJMP L013EH
L0115H:
CLR A
MOVC A, @A+DPTR
INC DPTR
MOV R0, A
ANL A, #07H
ADD A, #0CH
XCH A, R0
CLR C
RLC A
SWAP A
ANL A, #0FH
ORL A, #20H
XCH A, R0
MOVC A, @A+PC
JC L012DH
CPL A
ANL A, @R0
SJMP L012EH
L012DH:
ORL A, @R0
L012EH:
MOV @R0, A
DJNZ R7, L0115H
SJMP L013EH
AJMP L0002H
INC A
INC R0
JBC 20H, L017AH
DB 80H
L013BH:
MOV DPTR, #0003H
L013EH:
CLR A
MOV R6, #01H
MOVC A, @A+DPTR
JZ L0100H
INC DPTR
MOV R7, A
ANL A, #3FH
JNB 0E0H.5, L0154H
ANL A, #1FH
MOV R6, A
CLR A
MOVC A, @A+DPTR
INC DPTR
JZ L0154H
INC R6
L0154H:
XCH A, R7
ANL A, #0C0H
ADD A, 0E0H
JZ L0103H
JC L0115H
CLR A
MOVC A, @A+DPTR
INC DPTR
MOV R2, A
CLR A
MOVC A, @A+DPTR
INC DPTR
MOV R0, A
L0165H:
CLR A
MOVC A, @A+DPTR
INC DPTR
XCH A, R0
XCH A, 82H
XCH A, R0
XCH A, R2
XCH A, 83H
XCH A, R2
MOVX @DPTR, A
INC DPTR
XCH A, R0
XCH A, 82H
XCH A, R0
XCH A, R2
XCH A, 83H
XCH A, R2
L017AH:
DJNZ R7, L0165H
DJNZ R6, L0165H
SJMP L013EH
L0180H:
PUSH 0E0H
PUSH 83H
PUSH 82H
PUSH 0D0H
MOV 0D0H, #00H
MOV 8CH, #0F0H
MOV 8AH, #60H
MOV A, 0CH
JNZ L01AFH
MOV A, 0DH
JZ L01CBH
MOV A, 0CH
MOV DPTR, #0244H
MOVC A, @A+DPTR
MOV 0A0H, A
MOV A, #0DH
ADD A, 0CH
MOV R0, A
MOV A, @R0
MOV DPTR, #0233H
MOVC A, @A+DPTR
MOV 90H, A
SJMP L01CBH
L01AFH:
MOV A, 0CH
MOV DPTR, #0244H
MOVC A, @A+DPTR
MOV 0A0H, A
MOV A, #0DH
ADD A, 0CH
MOV R0, A
MOV A, @R0
MOV DPTR, #0233H
MOVC A, @A+DPTR
MOV 90H, A
MOV A, 0CH
CJNE A, #01H, L01CBH
ORL 90H, #80H
L01CBH:
INC 0CH
MOV A, 0CH
CJNE A, #03H, L01D5H
MOV 0CH, #00H
L01D5H:
POP 0D0H
POP 82H
POP 83H
POP 0E0H
RETI
L01DEH:
CJNE R4, #00H, L01ECH
CJNE R6, #00H, L020DH
MOV A, R7
MOV 0F0H, R5
DIV AB
MOV R7, A
MOV R5, 0F0H
RET
L01ECH:
CLR A
XCH A, R4
MOV R0, A
MOV 0F0H, #08H
L01F2H:
MOV A, R7
ADD A, R7
MOV R7, A
MOV A, R6
RLC A
MOV R6, A
MOV A, R4
RLC A
MOV R4, A
MOV A, R6
SUBB A, R5
MOV A, R4
SUBB A, R0
JC L0206H
MOV R4, A
MOV A, R6
SUBB A, R5
MOV R6, A
INC R7
L0206H:
DJNZ 0F0H, L01F2H
CLR A
XCH A, R6
MOV R5, A
RET
L020DH:
MOV A, R5
MOV R0, A
MOV 0F0H, A
MOV A, R6
DIV AB
JB 0D0H.2, L0232H
MOV R6, A
MOV R5, 0F0H
MOV 0F0H, #08H
L021CH:
MOV A, R7
ADD A, R7
MOV R7, A
MOV A, R5
RLC A
MOV R5, A
JC L022BH
SUBB A, R0
JNC L022DH
DJNZ 0F0H, L021CH
RET
L022BH:
CLR C
SUBB A, R0
L022DH:
MOV R5, A
INC R7
DJNZ 0F0H, L021CH
L0232H:
RET
ADDC A, R7
INC @R0
ANL A, R3
ORL A, R7
XRL A, @R0
XRL A, R5
MOV R5, #07H
MOV R7, #6FH
MOV @R1, #7CH
ADDC A, R1
ANL A, R6
MOV R1, #71H
NOP
MOV R6, A
MOV R5, A
MOV R3, A
MOV R7, A
END
‘叁’ 51单片机在C语言中提取源代码,源代码应该怎么做
没有源代码就不能清楚说明问题,从帖上的源代码来看,在tupian.h中有函数的接口说明,或者还有一个tupian.c的源代码文件,有函数的实现。
‘肆’ c语言 单片机源码
没有编程的底子的话,学起来可能会有那么一点点难,但是综合起来说,还是很简单,只要你肯学,没有任何问题。
建议你用C,简单好学。我是用汇编的,没有学过C,但是从地摊上买了本C书,看了一个星期,就搞定了。
至于说什么汇编效率高,这一点是肯定的,因为除了机器语言,它就是最低级的语言了嘛。但是现在的单片机系统时钟能跑的很高,flash容量也很大,所以汇编的效率高,速度快的优点不是很明显了。它难读,不好移植,接口麻烦等缺点倒是主要考虑的了。
所以还是建议你从C开始学。当然如果想深入了解,汇编是必须的。真正的编程高手虽然可能不用汇编,但是没有不懂汇编的。