📄 keyboard.src

📁 《单片机c程序设计及应用实列》一书的源代
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; keyboard.SRC generated from: keyboard.c

$NOMOD51

NAME	KEYBOARD

P0	DATA	080H
P1	DATA	090H
P2	DATA	0A0H
P3	DATA	0B0H
T0	BIT	0B0H.4
AC	BIT	0D0H.6
T1	BIT	0B0H.5
EA	BIT	0A8H.7
IE	DATA	0A8H
P0_0	BIT	080H.0
P1_0	BIT	090H.0
P0_1	BIT	080H.1
P2_0	BIT	0A0H.0
P1_1	BIT	090H.1
P0_2	BIT	080H.2
P2_1	BIT	0A0H.1
P1_2	BIT	090H.2
P0_3	BIT	080H.3
P2_2	BIT	0A0H.2
P1_3	BIT	090H.3
P0_4	BIT	080H.4
P2_3	BIT	0A0H.3
P1_4	BIT	090H.4
P0_5	BIT	080H.5
P2_4	BIT	0A0H.4
P1_5	BIT	090H.5
P0_6	BIT	080H.6
RD	BIT	0B0H.7
P2_5	BIT	0A0H.5
P1_6	BIT	090H.6
P0_7	BIT	080H.7
P2_6	BIT	0A0H.6
P1_7	BIT	090H.7
ES	BIT	0A8H.4
P2_7	BIT	0A0H.7
IP	DATA	0B8H
RI	BIT	098H.0
INT0	BIT	0B0H.2
CY	BIT	0D0H.7
TI	BIT	098H.1
INT1	BIT	0B0H.3
PS	BIT	0B8H.4
SP	DATA	081H
OV	BIT	0D0H.2
WR	BIT	0B0H.6
SBUF	DATA	099H
PCON	DATA	087H
SCON	DATA	098H
TMOD	DATA	089H
TCON	DATA	088H
IE0	BIT	088H.1
IE1	BIT	088H.3
B	DATA	0F0H
ACC	DATA	0E0H
ET0	BIT	0A8H.1
ET1	BIT	0A8H.3
TF0	BIT	088H.5
TF1	BIT	088H.7
RB8	BIT	098H.2
TH0	DATA	08CH
EX0	BIT	0A8H.0
IT0	BIT	088H.0
TH1	DATA	08DH
TB8	BIT	098H.3
EX1	BIT	0A8H.2
IT1	BIT	088H.2
P	BIT	0D0H.0
SM0	BIT	098H.7
TL0	DATA	08AH
SM1	BIT	098H.6
TL1	DATA	08BH
SM2	BIT	098H.5
PT0	BIT	0B8H.1
PT1	BIT	0B8H.3
RS0	BIT	0D0H.3
TR0	BIT	088H.4
RS1	BIT	0D0H.4
TR1	BIT	088H.6
PX0	BIT	0B8H.0
PX1	BIT	0B8H.2
DPH	DATA	083H
DPL	DATA	082H
REN	BIT	098H.4
RXD	BIT	0B0H.0
TXD	BIT	0B0H.1
F0	BIT	0D0H.5
PSW	DATA	0D0H
?PR?main?KEYBOARD    SEGMENT CODE 
?DT?main?KEYBOARD    SEGMENT DATA OVERLAYABLE 
?PR?initial?KEYBOARD SEGMENT CODE 
?PR?keyscan?KEYBOARD SEGMENT CODE 
?PR?_delay?KEYBOARD  SEGMENT CODE 
	EXTRN	CODE (?C_STARTUP)
	EXTRN	CODE (?C?IMUL)
	PUBLIC	_delay
	PUBLIC	keyscan
	PUBLIC	initial
	PUBLIC	main

	RSEG  ?DT?main?KEYBOARD
?main?BYTE:
    keyword?040:   DS   1
; #pragma SRC
; #include <stdio.h>
; #include <reg51.h>
; 
; 
; #define		TRUE			1
; #define		FALSE			0
; 
; #define		DELAY_VALUE		3
; 
; 
; 
; 
; #define    	PinDrvKey1	P1_0
; #define		PinDrvKey2	P1_1
; #define		PinDrvKey3	P1_2
; #define    	PinDrvKey4	P1_3		//键盘扫描的驱动线
; 
; 
; #define    	PinScanKey1	P1_4
; #define    	PinScanKey2	P1_5
; #define    	PinScanKey3	P1_6
; #define    	PinScanKey4	P1_7		//键盘扫描的信号获取线
; 
; #define		PinLamp		P0_0		//指示灯驱动管脚
; #define		PinSpeaker	P0_1		//蜂鸣器驱动管脚
; 
; sbit		P0_0=P0^0;
; sbit		P0_1=P0^1;
; sbit		P0_2=P0^2;
; sbit		P0_3=P0^3;
; sbit		P0_4=P0^4;
; sbit		P0_5=P0^5;
; sbit		P0_6=P0^6;
; sbit		P0_7=P0^7;
; 
; sbit		P1_0=P1^0;
; sbit		P1_1=P1^1;
; sbit		P1_2=P1^2;
; sbit		P1_3=P1^3;
; sbit		P1_4=P1^4;
; sbit		P1_5=P1^5;
; sbit		P1_6=P1^6;
; sbit		P1_7=P1^7;
; 
; sbit		P2_0=P2^0;
; sbit		P2_1=P2^1;
; sbit		P2_2=P2^2;
; sbit		P2_3=P2^3;
; sbit		P2_4=P2^4;
; sbit		P2_5=P2^5;
; sbit		P2_6=P2^6;
; sbit		P2_7=P2^7;
; 
; 
; void initial(void);              //初始化子程序
; void delay(short i);
; unsigned char keyscan(void);
; 
; void main(void)

	RSEG  ?PR?main?KEYBOARD
main:
	USING	0
			; SOURCE LINE # 60
; {
			; SOURCE LINE # 61
; 	
; 	unsigned char keyword;
; 	
; 	initial();			//键盘驱动信号都设为低
			; SOURCE LINE # 65
	LCALL	initial
; 	
; 	keyword=keyscan();
			; SOURCE LINE # 67
	LCALL	keyscan
	MOV  	keyword?040,R7
; 	
; }
			; SOURCE LINE # 69
	RET  	
; END OF main

; 
; void initial(void)

	RSEG  ?PR?initial?KEYBOARD
initial:
			; SOURCE LINE # 71
; {
			; SOURCE LINE # 72
; 	P1_0=FALSE;
			; SOURCE LINE # 73
	CLR  	P1_0
; 	P1_1=FALSE;
			; SOURCE LINE # 74
	CLR  	P1_1
; 	P1_2=FALSE;
			; SOURCE LINE # 75
	CLR  	P1_2
; 	P1_3=FALSE;			//键盘驱动信号都设为低
			; SOURCE LINE # 76
	CLR  	P1_3
; 	P0_0=TRUE;			//发光二极管设为不亮
			; SOURCE LINE # 77
	SETB 	P0_0
; 	P0_1=TRUE;			//蜂鸣器不叫
			; SOURCE LINE # 78
	SETB 	P0_1
; }
			; SOURCE LINE # 79
	RET  	
; END OF initial

; 
; unsigned char keyscan()

	RSEG  ?PR?keyscan?KEYBOARD
keyscan:
	USING	0
			; SOURCE LINE # 81
; {
			; SOURCE LINE # 82
; PinDrvKey1=TRUE;
			; SOURCE LINE # 83
	SETB 	P1_0
; if(PinScanKey1==TRUE)
			; SOURCE LINE # 84
	JNB  	P1_4,?C0003
; 	PinLamp=FALSE;
			; SOURCE LINE # 85
	CLR  	P0_0
?C0003:
; 	PinSpeaker=FALSE;
			; SOURCE LINE # 86
; 	delay(DELAY_VALUE);		//如果判断有信号，则延时一次
			; SOURCE LINE # 87
	LCALL	L?0056
; 	PinLamp=TRUE;
			; SOURCE LINE # 88
	SETB 	P0_0
; 	PinSpeaker=TRUE;
			; SOURCE LINE # 89
	SETB 	P0_1
; if(PinScanKey1==TRUE)
			; SOURCE LINE # 90
	JNB  	P1_4,?C0004
; { delay(DELAY_VALUE);			//假如判断还有信号，则再延时
			; SOURCE LINE # 91
	LCALL	L?0058
; if(PinScanKey1==TRUE)			
			; SOURCE LINE # 92
	JNB  	P1_4,?C0004
; 	return 1;}					//确认确实有按键信号，返回键值
			; SOURCE LINE # 93
	MOV  	R7,#01H
	RET  	
?C0004:
; if(PinScanKey2==TRUE)
			; SOURCE LINE # 94
	JNB  	P1_5,?C0007
; 	PinLamp=FALSE;
			; SOURCE LINE # 95
	CLR  	P0_0
?C0007:
; 	PinSpeaker=FALSE;
			; SOURCE LINE # 96
; 	delay(DELAY_VALUE);		//如果判断有信号，则延时一次
			; SOURCE LINE # 97
	LCALL	L?0056
; 	PinLamp=TRUE;
			; SOURCE LINE # 98
	SETB 	P0_0
; 	PinSpeaker=TRUE; 
			; SOURCE LINE # 99
	SETB 	P0_1
; if(PinScanKey2==TRUE)
			; SOURCE LINE # 100
	JNB  	P1_5,?C0008
; { delay(DELAY_VALUE);			//假如判断还有信号，则再延时
			; SOURCE LINE # 101
	LCALL	L?0058
; if(PinScanKey2==TRUE)			
			; SOURCE LINE # 102
	JNB  	P1_5,?C0008
; 	return 5;}					//确认确实有按键信号，返回键值
			; SOURCE LINE # 103
	MOV  	R7,#05H
	RET  	
?C0008:
; if(PinScanKey3==TRUE)
			; SOURCE LINE # 104
	JNB  	P1_6,?C0010
; 	PinLamp=FALSE;
			; SOURCE LINE # 105
	CLR  	P0_0
?C0010:
; 	PinSpeaker=FALSE;
			; SOURCE LINE # 106
; 	delay(DELAY_VALUE);		//如果判断有信号，则延时一次
			; SOURCE LINE # 107
	LCALL	L?0057
; 	PinLamp=TRUE;
			; SOURCE LINE # 108
	SETB 	P0_0
; 	PinSpeaker=TRUE; 
			; SOURCE LINE # 109
	SETB 	P0_1
; if(PinScanKey3==TRUE)
			; SOURCE LINE # 110
	JNB  	P1_6,?C0011
; { delay(DELAY_VALUE);			//假如判断还有信号，则再延时
			; SOURCE LINE # 111
	LCALL	L?0058
; if(PinScanKey3==TRUE)			
			; SOURCE LINE # 112
	JNB  	P1_6,?C0011
; 	return 9;}					//确认确实有按键信号，返回键值
			; SOURCE LINE # 113
	MOV  	R7,#09H
	RET  	
?C0011:
; if(PinScanKey4==TRUE)
			; SOURCE LINE # 114
	JNB  	P1_7,?C0013
; 	PinLamp=FALSE;
			; SOURCE LINE # 115
	CLR  	P0_0
?C0013:
; 	PinSpeaker=FALSE;
			; SOURCE LINE # 116
; 	delay(DELAY_VALUE);		//如果判断有信号，则延时一次
			; SOURCE LINE # 117
	LCALL	L?0057
; 	PinLamp=TRUE;
			; SOURCE LINE # 118
	SETB 	P0_0
; 	PinSpeaker=TRUE; 
			; SOURCE LINE # 119
	SETB 	P0_1
; if(PinScanKey2==TRUE)
			; SOURCE LINE # 120
	JNB  	P1_5,?C0014
; { delay(DELAY_VALUE);			//假如判断还有信号，则再延时
			; SOURCE LINE # 121
	LCALL	L?0058
; if(PinScanKey2==TRUE)
			; SOURCE LINE # 122
	JNB  	P1_5,?C0014
; 	return 12;}					//确认确实有按键信号，返回键值
			; SOURCE LINE # 123
	MOV  	R7,#0CH
	RET  	
?C0014:
; PinDrvKey1=FALSE;				//以上语句扫描第一列
			; SOURCE LINE # 124
	CLR  	P1_0
; PinDrvKey2=TRUE;
			; SOURCE LINE # 125
	SETB 	P1_1
; if(PinScanKey1==TRUE)
			; SOURCE LINE # 126
	JNB  	P1_4,?C0016
; 	PinLamp=FALSE;
			; SOURCE LINE # 127
	CLR  	P0_0
?C0016:
; 	PinSpeaker=FALSE;
			; SOURCE LINE # 128
; 	delay(DELAY_VALUE);		//如果判断有信号，则延时一次
			; SOURCE LINE # 129
	LCALL	L?0057
; 	PinLamp=TRUE;
			; SOURCE LINE # 130
	SETB 	P0_0
; 	PinSpeaker=TRUE; 
			; SOURCE LINE # 131
	SETB 	P0_1
; if(PinScanKey1==TRUE)
			; SOURCE LINE # 132
	JNB  	P1_4,?C0017
; { delay(DELAY_VALUE);			//假如判断还有信号，则再延时
			; SOURCE LINE # 133
	LCALL	L?0058
; if(PinScanKey1==TRUE)
			; SOURCE LINE # 134
	JNB  	P1_4,?C0017
; 	return 2;}					//确认确实有按键信号，返回键值
			; SOURCE LINE # 135
	MOV  	R7,#02H
	RET  	
?C0017:
; if(PinScanKey2==TRUE)
			; SOURCE LINE # 136
	JNB  	P1_5,?C0019
; 	PinLamp=FALSE;
			; SOURCE LINE # 137
	CLR  	P0_0
?C0019:
; 	PinSpeaker=FALSE;
			; SOURCE LINE # 138
; 	delay(DELAY_VALUE);		//如果判断有信号，则延时一次
			; SOURCE LINE # 139
	LCALL	L?0057
; 	PinLamp=TRUE;
			; SOURCE LINE # 140
	SETB 	P0_0
; 	PinSpeaker=TRUE; 
			; SOURCE LINE # 141
	SETB 	P0_1
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💿 文件大小 990 K
👤 上传用户 vbkechengsheji
📂 所属分类单片机开发
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#单片机 #程序设计
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