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; .\out_sst89e564\uart.SRC generated from: source\uart.c
; COMPILER INVOKED BY:
;        C:\Keil\C51\BIN\C51.EXE source\uart.c LARGE BROWSE ORDER NOAREGS DEBUG OBJECTEXTEND PRINT(.\uart.lst) SRC(.\out_sst89e564\uart.SRC)

$NOMOD51

NAME	UART

P0	DATA	080H
SP	DATA	081H
DPL	DATA	082H
DPH	DATA	083H
PCON	DATA	087H
TCON	DATA	088H
TMOD	DATA	089H
TL0	DATA	08AH
TL1	DATA	08BH
TH0	DATA	08CH
TH1	DATA	08DH
P1	DATA	090H
SCON	DATA	098H
SBUF	DATA	099H
P2	DATA	0A0H
IE	DATA	0A8H
P3	DATA	0B0H
IP	DATA	0B8H
T2CON	DATA	0C8H
T2MOD	DATA	0C9H
RCAP2L	DATA	0CAH
RCAP2H	DATA	0CBH
TL2	DATA	0CCH
TH2	DATA	0CDH
PSW	DATA	0D0H
ACC	DATA	0E0H
B	DATA	0F0H
P0_0	BIT	080H.0
P0_1	BIT	080H.1
P0_2	BIT	080H.2
P0_3	BIT	080H.3
P0_4	BIT	080H.4
P0_5	BIT	080H.5
P0_6	BIT	080H.6
P0_7	BIT	080H.7
IT0	BIT	088H.0
IE0	BIT	088H.1
IT1	BIT	088H.2
IE1	BIT	088H.3
TR0	BIT	088H.4
TF0	BIT	088H.5
TR1	BIT	088H.6
TF1	BIT	088H.7
P1_0	BIT	090H.0
P1_1	BIT	090H.1
P1_2	BIT	090H.2
P1_3	BIT	090H.3
P1_4	BIT	090H.4
P1_5	BIT	090H.5
P1_6	BIT	090H.6
P1_7	BIT	090H.7
T2	BIT	090H.0
T2EX	BIT	090H.1
RI	BIT	098H.0
TI	BIT	098H.1
RB8	BIT	098H.2
TB8	BIT	098H.3
REN	BIT	098H.4
SM2	BIT	098H.5
SM1	BIT	098H.6
SM0	BIT	098H.7
P2_0	BIT	0A0H.0
P2_1	BIT	0A0H.1
P2_2	BIT	0A0H.2
P2_3	BIT	0A0H.3
P2_4	BIT	0A0H.4
P2_5	BIT	0A0H.5
P2_6	BIT	0A0H.6
P2_7	BIT	0A0H.7
EX0	BIT	0A8H.0
ET0	BIT	0A8H.1
EX1	BIT	0A8H.2
ET1	BIT	0A8H.3
ES	BIT	0A8H.4
ET2	BIT	0A8H.5
EA	BIT	0A8H.7
P3_0	BIT	0B0H.0
P3_1	BIT	0B0H.1
P3_2	BIT	0B0H.2
P3_3	BIT	0B0H.3
P3_4	BIT	0B0H.4
P3_5	BIT	0B0H.5
P3_6	BIT	0B0H.6
P3_7	BIT	0B0H.7
RXD	BIT	0B0H.0
TXD	BIT	0B0H.1
INT0	BIT	0B0H.2
INT1	BIT	0B0H.3
T0	BIT	0B0H.4
T1	BIT	0B0H.5
WR	BIT	0B0H.6
RD	BIT	0B0H.7
PX0	BIT	0B8H.0
PT0	BIT	0B8H.1
PX1	BIT	0B8H.2
PT1	BIT	0B8H.3
PS	BIT	0B8H.4
PT2	BIT	0B8H.5
CP_RL2	BIT	0C8H.0
C_T2	BIT	0C8H.1
TR2	BIT	0C8H.2
EXEN2	BIT	0C8H.3
TCLK	BIT	0C8H.4
RCLK	BIT	0C8H.5
EXF2	BIT	0C8H.6
TF2	BIT	0C8H.7
P	BIT	0D0H.0
FL	BIT	0D0H.1
OV	BIT	0D0H.2
RS0	BIT	0D0H.3
RS1	BIT	0D0H.4
F0	BIT	0D0H.5
AC	BIT	0D0H.6
CY	BIT	0D0H.7
FST	DATA	0B6H
WDTC	DATA	0C0H
WDTD	DATA	085H
AUXR	DATA	08EH
AUXR1	DATA	0A2H
WDTRST	DATA	0A6H
WDTPRG	DATA	0A7H
SADDR	DATA	0A9H
IPH	DATA	0B7H
IPH0	DATA	0B7H
SADEN	DATA	0B9H
IPL	DATA	0B8H
IPL0	DATA	0B8H
CCON	DATA	0D8H
CMOD	DATA	0D9H
CCAPM0	DATA	0DAH
CCAPM1	DATA	0DBH
CCAPM2	DATA	0DCH
CCAPM3	DATA	0DDH
CCAPM4	DATA	0DEH
P5	DATA	0E8H
CL	DATA	0E9H
CCAP0L	DATA	0EAH
CCAP1L	DATA	0EBH
CCAP2L	DATA	0ECH
CCAP3L	DATA	0EDH
CCAP4L	DATA	0EEH
CH	DATA	0F9H
CCAP0H	DATA	0FAH
CCAP1H	DATA	0FBH
CCAP2H	DATA	0FCH
CCAP3H	DATA	0FDH
CCAP4H	DATA	0FEH
?PR?InterruptCom?UART                    SEGMENT CODE 
?PR?PutInputData?UART                    SEGMENT CODE 
?PR?GetInputData?UART                    SEGMENT CODE 
?PR?GetOutputData?UART                   SEGMENT CODE 
?PR?_PutOutputData?UART                  SEGMENT CODE 
?PR?_ComOpen?UART    SEGMENT CODE 
?XD?_ComOpen?UART    SEGMENT XDATA OVERLAYABLE 
?PR?_ComWrite?UART   SEGMENT CODE 
?XD?_ComWrite?UART   SEGMENT XDATA OVERLAYABLE 
?PR?_ComRead?UART    SEGMENT CODE 
?XD?_ComRead?UART    SEGMENT XDATA OVERLAYABLE 
?PR?_ComSetTimeOut?UART                  SEGMENT CODE 
?PR?ComIBufBytesTell?UART                SEGMENT CODE 
?PR?_ComClear?UART   SEGMENT CODE 
?C_INITSEG           SEGMENT CODE 
?BI?UART             SEGMENT BIT 
?ID?UART             SEGMENT IDATA 
?XD?UART             SEGMENT XDATA 
?DT?UART             SEGMENT DATA 
	EXTRN	CODE (GetTickCount)
	EXTRN	CODE (_SetIntPri)
	EXTRN	CODE (?C?LSTXDATA)
	EXTRN	CODE (?C?ULCMP)
	EXTRN	CODE (?C?ULSHR)
	EXTRN	CODE (?C?ULDIV)
	EXTRN	CODE (?C?CLDOPTR)
	EXTRN	CODE (?C?CSTOPTR)
	PUBLIC	_ComClear
	PUBLIC	ComIBufBytesTell
	PUBLIC	_ComSetTimeOut
	PUBLIC	_ComRead
	PUBLIC	_ComWrite
	PUBLIC	?_ComOpen?BYTE
	PUBLIC	_ComOpen
	PUBLIC	_PutOutputData
	PUBLIC	GetOutputData
	PUBLIC	GetInputData
	PUBLIC	PutInputData
	PUBLIC	InterruptCom

	RSEG  ?XD?_ComOpen?UART
?_ComOpen?BYTE:
        clk?542:   DS   4
	ORG  4
   baudrate?543:   DS   4
	ORG  8
        tmp?544:   DS   1

	RSEG  ?XD?_ComWrite?UART
?_ComWrite?BYTE:
        buf?645:   DS   3
	ORG  3
        len?646:   DS   2
	ORG  5
          i?647:   DS   2
	ORG  7
  starttime?648:   DS   2

	RSEG  ?XD?_ComRead?UART
?_ComRead?BYTE:
        buf?749:   DS   3
	ORG  3
        len?750:   DS   2
	ORG  5
          i?751:   DS   2
	ORG  7
  starttime?752:   DS   2
	ORG  9
        tmp?753:   DS   2

	RSEG  ?BI?UART
    SbufWorking:   DBIT   1

	RSEG  ?ID?UART
       InputBuf:   DS   32

	RSEG  ?XD?UART
      OutputBuf:   DS   16
   InputOutTime:   DS   2
  OutputOutTime:   DS   2

	RSEG  ?DT?UART
     IBufGetIdx:   DS   1
     IBufPutIdx:   DS   1
     OBufGetIdx:   DS   1
     OBufPutIdx:   DS   1

	RSEG  ?C_INITSEG
	DB	0C1H, SbufWorking + 000H	; bit-init

	DB	042H
	DW	InputOutTime
	DW	00000H

	DB	042H
	DW	OutputOutTime
	DW	00000H

	DB	001H
	DB	IBufGetIdx
	DB	000H

	DB	001H
	DB	IBufPutIdx
	DB	000H

	DB	001H
	DB	OBufGetIdx
	DB	000H

	DB	001H
	DB	OBufPutIdx
	DB	000H

; //////////////////////////////////////////////
; //	uart.c									//
; //	设置波特率（需要晶振频率支持）			//
; //  晶振频率：11m0592,12m0,18m0,24m0		//
; //  design by: 刘俐训                       //
; //////////////////////////////////////////////
; 
; #include<reg52.h>
; #include"uart.h"
; #include"stimer.h"
; #include"ascii.h"
; #include <v51rx2.h>	 
; 
; #include "intrsc.h"	  
; 
; #ifndef BUF_SIZE
; #define BUF_SIZE 	32
; #define OBUF_SIZE 	16
; #endif
; 
; #ifndef enable
; #define enable()   EA=1
; #define disable()  EA=0
; #endif
; 
; #define StartSend() TI=1
; 
; static bit SbufWorking=0;
; 
; static unsigned char idata InputBuf[BUF_SIZE];
; static unsigned char xdata OutputBuf[OBUF_SIZE];
; static unsigned int InputOutTime=0;
; static unsigned int OutputOutTime=0;
; 
; #if (BUF_SIZE>256)
; static unsigned int data IBufGetIdx=0;
; static unsigned int data IBufPutIdx=0;
; #else
; static unsigned char data IBufGetIdx=0;
; static unsigned char data IBufPutIdx=0;
; #endif
; #if (OBUF_SIZE>256)
; static unsigned int data OBufGetIdx=0;
; static unsigned int data OBufPutIdx=0;
; #else
; static unsigned char data OBufGetIdx=0;
; static unsigned char data OBufPutIdx=0;
; #endif
; 
; static bit PutInputData( void );
; static int GetInputData( void );
; static bit PutOutputData( unsigned char abyte );
; static bit GetOutputData( void );
; #define EnterCrtcl()  ES = 0
; #define LeaveCrtcl()  ES = 1
; 
CSEG	AT	00023H
	LJMP	InterruptCom

; void InterruptCom(void) interrupt SIO_VECTOR using 1

	RSEG  ?PR?InterruptCom?UART
	USING	1
InterruptCom:
	PUSH 	ACC
	PUSH 	B
	PUSH 	DPH
	PUSH 	DPL
	PUSH 	PSW
	USING	1
	MOV  	PSW,#08H
			; SOURCE LINE # 57
; {
; 	if(RI)
			; SOURCE LINE # 59
	JNB  	RI,?C0001
; 	{
			; SOURCE LINE # 60
; 		RI=0;
			; SOURCE LINE # 61
	CLR  	RI
; 		PutInputData();
			; SOURCE LINE # 62
	LCALL	PutInputData
; 	}
			; SOURCE LINE # 63
?C0001:
; 	
; 	if(TI)
			; SOURCE LINE # 65
	JNB  	TI,?C0003
; 	{
			; SOURCE LINE # 66
; 		TI=0;
			; SOURCE LINE # 67
	CLR  	TI
; 		GetOutputData();
			; SOURCE LINE # 68
	LCALL	GetOutputData
; 	}
			; SOURCE LINE # 69
; }
			; SOURCE LINE # 70
?C0003:
	POP  	PSW
	POP  	DPL
	POP  	DPH
	POP  	B
	POP  	ACC
	RETI 	
; END OF InterruptCom

; 
; bit PutInputData( void )

	RSEG  ?PR?PutInputData?UART
PutInputData:
	USING	0
			; SOURCE LINE # 72
; {
			; SOURCE LINE # 73
; 	#if (BUF_SIZE!=256)
;    		if( IBufGetIdx ==0 )
			; SOURCE LINE # 75
	MOV  	A,IBufGetIdx
	JNZ  	?C0004
;    		{
			; SOURCE LINE # 76
;    			if( IBufPutIdx == BUF_SIZE-1 )
			; SOURCE LINE # 77
	MOV  	A,IBufPutIdx
	CJNE 	A,#01FH,?C0004
;    			    return 0;
			; SOURCE LINE # 78
	CLR  	C
	RET  	
;    		}
			; SOURCE LINE # 79
?C0004:
; 	#endif
;    	
;    	if(IBufPutIdx == IBufGetIdx-1)
			; SOURCE LINE # 82
	MOV  	A,IBufGetIdx
	DEC  	A
	XRL  	A,IBufPutIdx
	JNZ  	?C0007
;    	{
			; SOURCE LINE # 83
;    		return 0;
			; SOURCE LINE # 84
	CLR  	C
	RET  	
;    	}
			; SOURCE LINE # 85
?C0007:
; 	InputBuf[IBufPutIdx] = SBUF;
			; SOURCE LINE # 86
	MOV  	A,#LOW (InputBuf)
	ADD  	A,IBufPutIdx
	MOV  	R0,A
	MOV  	@R0,SBUF
; 	IBufPutIdx++;
			; SOURCE LINE # 87
	INC  	IBufPutIdx
; 	
; 	#if (BUF_SIZE != 256)
;    		if(IBufPutIdx==BUF_SIZE)
			; SOURCE LINE # 90
	MOV  	A,IBufPutIdx
	CJNE 	A,#020H,?C0008
;    		    IBufPutIdx=0;
			; SOURCE LINE # 91
	CLR  	A
	MOV  	IBufPutIdx,A
?C0008:
; 	#endif
; 	
;    	return 1;
			; SOURCE LINE # 94
	SETB 	C
; }
			; SOURCE LINE # 95
?C0006:
	RET  	
; END OF PutInputData

; 
; int GetInputData( void )

	RSEG  ?PR?GetInputData?UART
GetInputData:
	USING	0
			; SOURCE LINE # 97
; {
			; SOURCE LINE # 98
; 	unsigned char tmp; 
; 	
;     EnterCrtcl();
			; SOURCE LINE # 101
	CLR  	ES
; 	if( IBufGetIdx == IBufPutIdx )
			; SOURCE LINE # 102
	MOV  	A,IBufGetIdx
	XRL  	A,IBufPutIdx
	JNZ  	?C0009
; 	{
			; SOURCE LINE # 103
; 	    LeaveCrtcl();
			; SOURCE LINE # 104
	SETB 	ES
; 		return -1;
			; SOURCE LINE # 105
	MOV  	R6,#0FFH
	MOV  	R7,#0FFH
	RET  	
; 	}
			; SOURCE LINE # 106
?C0009:
; 
; 	tmp = InputBuf[IBufGetIdx++];
			; SOURCE LINE # 108
	MOV  	R7,IBufGetIdx
	INC  	IBufGetIdx
	MOV  	A,#LOW (InputBuf)
	ADD  	A,R7
	MOV  	R0,A
	MOV  	A,@R0
	MOV  	R7,A
;---- Variable 'tmp?240' assigned to Register 'R7' ----
; 
; 	#if (BUF_SIZE != 256)
; 	  	if(IBufGetIdx==BUF_SIZE)
			; SOURCE LINE # 111
	MOV  	A,IBufGetIdx
	CJNE 	A,#020H,?C0011
; 			IBufGetIdx=0;
			; SOURCE LINE # 112
	CLR  	A
	MOV  	IBufGetIdx,A
?C0011:
; 	#endif
; 	
; 	LeaveCrtcl();
			; SOURCE LINE # 115
	SETB 	ES
; 	return tmp;
			; SOURCE LINE # 116
	MOV  	R6,#00H
; }
			; SOURCE LINE # 117
?C0010:
	RET  	
; END OF GetInputData

; 
; bit GetOutputData( void )

	RSEG  ?PR?GetOutputData?UART
GetOutputData:
			; SOURCE LINE # 119
; {
			; SOURCE LINE # 120
;    	if( OBufPutIdx == OBufGetIdx )
			; SOURCE LINE # 121
	MOV  	A,OBufPutIdx
	XRL  	A,OBufGetIdx
	JNZ  	?C0012
;    	{
			; SOURCE LINE # 122
;    		SbufWorking=0;
			; SOURCE LINE # 123
	CLR  	SbufWorking
;    		return 0;
			; SOURCE LINE # 124
	CLR  	C
	RET  	
;    	}
			; SOURCE LINE # 125
?C0012:
; 
;    	SBUF = OutputBuf[OBufGetIdx];
			; SOURCE LINE # 127
	MOV  	A,#LOW (OutputBuf)
	ADD  	A,OBufGetIdx
	MOV  	DPL,A
	CLR  	A
	ADDC 	A,#HIGH (OutputBuf)
	MOV  	DPH,A
	MOVX 	A,@DPTR
	MOV  	SBUF,A
;    	OBufGetIdx++;
			; SOURCE LINE # 128
	INC  	OBufGetIdx
; 	#if (OBUF_SIZE != 256)
; 	  	if(OBufGetIdx==OBUF_SIZE)
			; SOURCE LINE # 130
	MOV  	A,OBufGetIdx
	CJNE 	A,#010H,?C0014
; 	  	    OBufGetIdx=0;
			; SOURCE LINE # 131
	CLR  	A
	MOV  	OBufGetIdx,A
?C0014:
; 	#endif
;     return 1;
			; SOURCE LINE # 133
	SETB 	C
; }
			; SOURCE LINE # 134
?C0013:
	RET  	
; END OF GetOutputData

; 
; bit PutOutputData( unsigned char abyte )

	RSEG  ?PR?_PutOutputData?UART
_PutOutputData:
	USING	0
			; SOURCE LINE # 136
;---- Variable 'abyte?441' assigned to Register 'R7' ----
; {
			; SOURCE LINE # 137
;    	EnterCrtcl();
			; SOURCE LINE # 138
	CLR  	ES
; 	#if (OBUF_SIZE!=256)
;    		if( OBufGetIdx ==0 )
			; SOURCE LINE # 140
	MOV  	A,OBufGetIdx
	JNZ  	?C0015
;    			if( OBufPutIdx == OBUF_SIZE-1 )
			; SOURCE LINE # 141
	MOV  	A,OBufPutIdx
	CJNE 	A,#0FH,?C0015
;    			{
			; SOURCE LINE # 142
;    			    LeaveCrtcl();
			; SOURCE LINE # 143
;    			    return 0;
			; SOURCE LINE # 144
	SJMP 	?C0051
;    			}
			; SOURCE LINE # 145
?C0015:
; 	#endif
;    	
;    	if( OBufPutIdx == OBufGetIdx-1 )
			; SOURCE LINE # 148
	MOV  	A,OBufGetIdx
	DEC  	A
	XRL  	A,OBufPutIdx
	JNZ  	?C0018
;    	{
			; SOURCE LINE # 149
;    	    LeaveCrtcl();
			; SOURCE LINE # 150
?C0051:
	SETB 	ES
;    	    return 0;
			; SOURCE LINE # 151
	CLR  	C
	RET  	
;    	}
			; SOURCE LINE # 152
?C0018:
; 	
;    	OutputBuf[OBufPutIdx++] = abyte;
			; SOURCE LINE # 154
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