EM78P153范例程序

 

MOV A,@8

MOV COUNTER,A

MOV A,CODE3

MOV SEND_DATA,A

RLC SEND_DATA

CYCLE_2:

JBS SEND_DATA,7

JMP SEND_Q_0

JMP SEND_Q_1

SEND_Q_1:

CALL SEND_CODE_1

JMP EXIT_4

SEND_Q_0:

CALL SEND_CODE_0

JMP EXIT_4

EXIT_4:

RLC SEND_DATA

DJZ COUNTER

JMP CYCLE_2

RET

;***************发送数据"1"子程序********************

SEND_CODE_1:

MOV A,@0B00100000

CONTW ;停止记数

MOV A,@0B00000001 ;允许TCC中断

IOW IOCF0

MOV A,@35 ;引导脉冲的预置值

MOV TCC,A

MOV A,@0B00000001 ;选择预分频比为1:4

CONTW

BC PORT6,OUTPUT

WAIT_1:

JBS RF,TCIF

JMP WAIT_1

MOV A,@0B00100000

CONTW ;停止记数

BC RF,TCIF

MOV A,@32 ;代码"1"的预置值

MOV TCC,A

MOV A,@0B00000101 ;选择预分频比为1:64

CONTW

BS PORT6,OUTPUT

WAIT_2:

JBS RF,TCIF

JMP WAIT_2

BC RF,TCIF

MOV A,@0B00100000

CONTW ;停止记数

RET

;***************发送数据"0"子程序********************

SEND_CODE_0:

MOV A,@0B00100000

CONTW ;停止记数

MOV A,@0B00000001 ;允许TCC中断

IOW IOCF0

MOV A,@35 ;引导脉冲的预置值

MOV TCC,A

MOV A,@0B00000001 ;选择预分频比为1:4

CONTW

BC PORT6,OUTPUT

WAIT_3:

JBS RF,TCIF

JMP WAIT_3

MOV A,@0B00100000

CONTW ;停止记数

BC RF,TCIF

 

MOV A,@114 ;代码"0"的预置值

MOV TCC,A

MOV A,@0B00000101 ;选择预分频比为1:64

CONTW

BS PORT6,OUTPUT

WAIT_4:

JBS RF,TCIF

JMP WAIT_4

NOP

BC RF,TCIF

MOV A,@0B00100000

CONTW ;停止记数

RET

;****************重复码的检测子程序******************

JUDGE_REPEAT_CODE:

CLR COUNTER ;清计数器

CLR FLAG

JUDGE_REPEAT_CODE_0:

JBC PORT6,INPUT

JMP JUDGE_REPEAT_CODE_0

SS:

JBC PORT6,INPUT

JMP JUDGE_REPEAT_CODE_1

CALL DELAY0.5MS

JBC PORT6,INPUT

JMP JUDGE_REPEAT_CODE_1

INC COUNTER

JMP SS

JUDGE_REPEAT_CODE_1:

MOV A,COUNTER

BC PSW,C

SUB A,@20 ;20-A

JBS PSW,C

上一页  [1] [2] [3] [4] [5]  下一页

本文关键字：程序  义隆单片机，单片机-工控设备 - 义隆单片机