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標(biāo)題:
這個(gè)三個(gè)單片機(jī)串行通信程序有什么問(wèn)題?
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作者:
hanbing17
時(shí)間:
2010-1-25 21:36
標(biāo)題:
這個(gè)三個(gè)單片機(jī)串行通信程序有什么問(wèn)題?
三個(gè)單片機(jī)串行通信,1號(hào)從機(jī)和2號(hào)從機(jī)在p1口處個(gè)接八個(gè)按鍵, 主機(jī)p0口有八個(gè)燈,另外主機(jī)在p1.0和p1.1有兩個(gè)按鍵,第一個(gè)按鍵按下接通一號(hào)從機(jī),當(dāng)1號(hào)從機(jī)有按鍵按下時(shí)候,主機(jī)p0對(duì)應(yīng)的燈亮,同理同理主機(jī)第2個(gè)按鍵按下 接通2號(hào)從機(jī),當(dāng)2號(hào)從機(jī)有按鍵按下時(shí)候,主機(jī)p0對(duì)應(yīng)的燈亮
程序如下,在protues 里仿真一點(diǎn)沒(méi)反應(yīng),請(qǐng)教下誰(shuí)能幫我看下程序錯(cuò)在哪里怎么改? 麻煩了 謝謝!!
主機(jī):
ORG 00H
AJMP MAIN
ORG 30H
MAIN:
MOV SCON,#98H
START: MOV A,P1
CJNE A,#0FFH,M1
SJMP START
M1: CJNE A,#0FEH,M2
SJMP L1
M2: CJNE A,#0FDH,START
SJMP L2
L1: MOV SBUF,#01H
JBC TI,S1
SJMP L1
L2: MOV SBUF,#02H
JBC TI,S2
SJMP L2
S1: JBC RI,WT1
SJMP S1
S2: JBC RI,WT2
SJMP S2
WT1: MOV A,SBUF
XRL A,#01H
JZ RIGHT
SJMP WT1
WT2: MOV A,SBUF
XRL A,#02H
JZ RIGHT
SJMP WT2
RIGHT: CLR TB8
JBC RI,REC
SJMP RIGHT
REC: MOV A,SBUF
MOV P0,A
AJMP RIGHT
END
從機(jī):
ORG 00H
AJMP MAIN
ORG 30H
MAIN: MOV SCON,#0B0H
MOV 30H,#0FFH
M1: JBC RI,S1
SJMP M1
S1: MOV A,SBUF
XRL A,#02H
JNZ M1
MOV SBUF,#02H
MOV P0,#0FDH
WT: JBC TI,S2
SJMP WT
S2: JNB RB8,RIGHT
SETB SM2
SJMP M1
RIGHT:MOV A,P1
CJNE A,30H,SENT
JMP RIGHT
SENT: MOV 30H,A
MOV SBUF,A
WAIT: JBC TI, RIGHT
SJMP WAIT
END
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