📄 commrtos.src

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; .\DeBug\COMMRTOS.SRC generated from: COMMRTOS.C
; COMPILER INVOKED BY:
;        C:\Keil\C51\BIN\C51.EXE COMMRTOS.C LARGE BROWSE DEBUG OBJECTEXTEND PRINT(.\DeBug\COMMRTOS.lst) SRC(.\DeBug\COMMRTOS.SRC)

$NOMOD51

NAME	COMMRTOS

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
RD	BIT	0B0H.7
ES	BIT	0A8H.4
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?_?CommBufInit?COMMRTOS               SEGMENT CODE 
?PR?_?CommPutChar?COMMRTOS               SEGMENT CODE 
?PR?_?CommPutRxChar?COMMRTOS             SEGMENT CODE 
?PR?_?CommGetChar?COMMRTOS               SEGMENT CODE 
?PR?_?CommGetTxChar?COMMRTOS             SEGMENT CODE 
?C_INITSEG           SEGMENT CODE 
?XD?COMMRTOS         SEGMENT XDATA 
	EXTRN	CODE (_OSSemCreate)
	EXTRN	CODE (_OSSemPend)
	EXTRN	XDATA (?_OSSemPend?BYTE)
	EXTRN	CODE (_OSSemPost)
	EXTRN	CODE (?C?ADDXBP)
	EXTRN	DATA (?C_XBP)
	EXTRN	CODE (?C?ISTPTR)
	EXTRN	CODE (?C?PSTOPTR)
	EXTRN	CODE (?C?ISTOPTR)
	EXTRN	CODE (?C?PLDOPTR)
	EXTRN	CODE (?C?XBPOFF)
	EXTRN	CODE (?C?IILDOPTR)
	EXTRN	CODE (?C?PLDIOPTR)
	EXTRN	CODE (?C?CSTPTR)
	EXTRN	CODE (?C?ILDOPTR)
	EXTRN	CODE (?C?ILDPTR)
	EXTRN	CODE (?C?IILDPTR)
	EXTRN	CODE (?C?CLDPTR)
	PUBLIC	CommBuf
	PUBLIC	FirstCharFlag
	PUBLIC	_?CommGetTxChar
	PUBLIC	_?CommGetChar
	PUBLIC	_?CommPutRxChar
	PUBLIC	_?CommPutChar
	PUBLIC	_?CommBufInit

	RSEG  ?XD?COMMRTOS
  FirstCharFlag:   DS   1
        CommBuf:   DS   150

	RSEG  ?C_INITSEG
	DB	041H
	DW	FirstCharFlag
	DB	001H

; /*
; *********************************************************************************************************
; *                               基于uC/OS-II的串口驱动及应用程序接口函数
; *                                             版权所有
; *
; * 文件名 : COMMRTOS.C
; * 作者   : 陈是知 csz-mail@126.com 北京中软 2005。3。11
; *********************************************************************************************************
; */
; 
; 
; #include "includes.h"
; 
; INT8U FirstCharFlag=0x01;  //注意：此为串口发送第一个字符的标志，必须定义。
; 
; typedef struct {
;     INT16U     RingBufRxCtr;                /* Number of characters in the Rx ring buffer              */
;     OS_EVENT  *RingBufRxSem;                /* Pointer to Rx semaphore                                 */
;     INT8U     *RingBufRxInPtr;              /* Pointer to where next character will be inserted        */
;     INT8U     *RingBufRxOutPtr;             /* Pointer from where next character will be extracted     */
;     INT8U      RingBufRx[COMM_RX_BUF_SIZE]; /* Ring buffer character storage (Rx)                      */
;     INT16U     RingBufTxCtr;                /* Number of characters in the Tx ring buffer              */
;     OS_EVENT  *RingBufTxSem;                /* Pointer to Tx semaphore                                 */
;     INT8U     *RingBufTxInPtr;              /* Pointer to where next character will be inserted        */
;     INT8U     *RingBufTxOutPtr;             /* Pointer from where next character will be extracted     */
;     INT8U      RingBufTx[COMM_TX_BUF_SIZE]; /* Ring buffer character storage (Tx)                      */
; } COMM_RING_BUF;
; 
; 
; COMM_RING_BUF  CommBuf;
; 
; 
; void  CommBufInit (void) reentrant

	RSEG  ?PR?_?CommBufInit?COMMRTOS
_?CommBufInit:
	USING	0
			; SOURCE LINE # 33
	MOV  	DPTR,#0FFFDH
	LCALL	?C?ADDXBP
; {
;     COMM_RING_BUF *pbuf;
; 
;     pbuf                  = &CommBuf;                     /* Initialize the ring buffer for COMM1     */
			; SOURCE LINE # 37
	MOV  	DPH,?C_XBP
	MOV  	DPL,?C_XBP+01H
	MOV  	A,#01H
	MOVX 	@DPTR,A
	INC  	DPTR
	MOV  	A,#HIGH (CommBuf)
	MOVX 	@DPTR,A
	INC  	DPTR
	MOV  	A,#LOW (CommBuf)
	MOVX 	@DPTR,A
;     pbuf->RingBufRxCtr    = 0;
			; SOURCE LINE # 38
	MOV  	DPH,?C_XBP
	MOV  	DPL,?C_XBP+01H
	MOVX 	A,@DPTR
	MOV  	R3,A
	INC  	DPTR
	MOVX 	A,@DPTR
	MOV  	R2,A
	INC  	DPTR
	MOVX 	A,@DPTR
	MOV  	R1,A
	CLR  	A
	MOV  	B,A
	LCALL	?C?ISTPTR
;     pbuf->RingBufRxInPtr  = &pbuf->RingBufRx[0];
			; SOURCE LINE # 39
	MOV  	DPH,?C_XBP
	MOV  	DPL,?C_XBP+01H
	MOVX 	A,@DPTR
	MOV  	R3,A
	INC  	DPTR
	MOVX 	A,@DPTR
	MOV  	R2,A
	INC  	DPTR
	MOVX 	A,@DPTR
	ADD  	A,#0BH
	MOV  	R1,A
	CLR  	A
	ADDC 	A,R2
	MOV  	R2,A
	PUSH 	AR3
	PUSH 	AR2
	PUSH 	AR1
	MOV  	DPH,?C_XBP
	MOV  	DPL,?C_XBP+01H
	MOVX 	A,@DPTR
	MOV  	R3,A
	INC  	DPTR
	MOVX 	A,@DPTR
	MOV  	R2,A
	INC  	DPTR
	MOVX 	A,@DPTR
	MOV  	R1,A
	MOV  	DPTR,#05H
	LCALL	?C?PSTOPTR
;     pbuf->RingBufRxOutPtr = &pbuf->RingBufRx[0];
			; SOURCE LINE # 40
	MOV  	DPH,?C_XBP
	MOV  	DPL,?C_XBP+01H
	MOVX 	A,@DPTR
	MOV  	R3,A
	INC  	DPTR
	MOVX 	A,@DPTR
	MOV  	R2,A
	INC  	DPTR
	MOVX 	A,@DPTR
	ADD  	A,#0BH
	MOV  	R1,A
	CLR  	A
	ADDC 	A,R2
	MOV  	R2,A
	PUSH 	AR3
	PUSH 	AR2
	PUSH 	AR1
	MOV  	DPH,?C_XBP
	MOV  	DPL,?C_XBP+01H
	MOVX 	A,@DPTR
	MOV  	R3,A
	INC  	DPTR
	MOVX 	A,@DPTR
	MOV  	R2,A
	INC  	DPTR
	MOVX 	A,@DPTR
	MOV  	R1,A
	MOV  	DPTR,#08H
	LCALL	?C?PSTOPTR
;     pbuf->RingBufRxSem    = OSSemCreate(0);
			; SOURCE LINE # 41
	CLR  	A
	MOV  	R7,A
	MOV  	R6,A
	LCALL	_OSSemCreate
	PUSH 	AR3
	PUSH 	AR2
	PUSH 	AR1
	MOV  	DPH,?C_XBP
	MOV  	DPL,?C_XBP+01H
	MOVX 	A,@DPTR
	MOV  	R3,A
	INC  	DPTR
	MOVX 	A,@DPTR
	MOV  	R2,A
	INC  	DPTR
	MOVX 	A,@DPTR
	MOV  	R1,A
	MOV  	DPTR,#02H
	LCALL	?C?PSTOPTR
;     pbuf->RingBufTxCtr    = 0;
			; SOURCE LINE # 42
	MOV  	DPH,?C_XBP
	MOV  	DPL,?C_XBP+01H
	MOVX 	A,@DPTR
	MOV  	R3,A
	INC  	DPTR
	MOVX 	A,@DPTR
	MOV  	R2,A
	INC  	DPTR
	MOVX 	A,@DPTR
	MOV  	R1,A
	MOV  	DPTR,#04BH
	CLR  	A
	MOV  	B,A
	LCALL	?C?ISTOPTR
;     pbuf->RingBufTxInPtr  = &pbuf->RingBufTx[0];
			; SOURCE LINE # 43
	MOV  	A,R1
	ADD  	A,#056H
	MOV  	R1,A
	CLR  	A
	ADDC 	A,R2
	MOV  	R2,A
	PUSH 	AR3
	PUSH 	AR2
	PUSH 	AR1
	MOV  	DPH,?C_XBP
	MOV  	DPL,?C_XBP+01H
	MOVX 	A,@DPTR
	MOV  	R3,A
	INC  	DPTR
	MOVX 	A,@DPTR
	MOV  	R2,A
	INC  	DPTR
	MOVX 	A,@DPTR
	MOV  	R1,A
	MOV  	DPTR,#050H
	LCALL	?C?PSTOPTR
;     pbuf->RingBufTxOutPtr = &pbuf->RingBufTx[0];
			; SOURCE LINE # 44
	MOV  	DPH,?C_XBP
	MOV  	DPL,?C_XBP+01H
	MOVX 	A,@DPTR
	MOV  	R3,A
	INC  	DPTR
	MOVX 	A,@DPTR
	MOV  	R2,A
	INC  	DPTR
	MOVX 	A,@DPTR
	ADD  	A,#056H
	MOV  	R1,A
	CLR  	A
	ADDC 	A,R2
	MOV  	R2,A
	PUSH 	AR3
	PUSH 	AR2
	PUSH 	AR1
	MOV  	DPH,?C_XBP
	MOV  	DPL,?C_XBP+01H
	MOVX 	A,@DPTR
	MOV  	R3,A
	INC  	DPTR
	MOVX 	A,@DPTR
	MOV  	R2,A
	INC  	DPTR
	MOVX 	A,@DPTR
	MOV  	R1,A
	MOV  	DPTR,#053H
	LCALL	?C?PSTOPTR
;     pbuf->RingBufTxSem    = OSSemCreate(COMM_TX_BUF_SIZE);
			; SOURCE LINE # 45
	MOV  	R7,#040H
	MOV  	R6,#00H
	LCALL	_OSSemCreate
	PUSH 	AR3
	PUSH 	AR2
	PUSH 	AR1
	MOV  	DPH,?C_XBP
	MOV  	DPL,?C_XBP+01H
	MOVX 	A,@DPTR
	MOV  	R3,A
	INC  	DPTR
	MOVX 	A,@DPTR
	MOV  	R2,A
	INC  	DPTR
	MOVX 	A,@DPTR
	MOV  	R1,A
	MOV  	DPTR,#04DH
	LCALL	?C?PSTOPTR
; 	   
; }
			; SOURCE LINE # 47
	MOV  	DPTR,#03H
	LJMP 	?C?ADDXBP
; END OF _?CommBufInit

; 
; 
; 
; INT8U  CommPutChar (INT8U c, INT16U to) reentrant

	RSEG  ?PR?_?CommPutChar?COMMRTOS
_?CommPutChar:
	USING	0
			; SOURCE LINE # 51
	MOV  	DPTR,#0FFFEH
	LCALL	?C?ADDXBP
	MOV  	A,R4
	MOVX 	@DPTR,A
	INC  	DPTR
	MOV  	A,R5
	MOVX 	@DPTR,A
	MOV  	DPTR,#0FFFFH
	LCALL	?C?ADDXBP
	MOV  	A,R7
	MOVX 	@DPTR,A
	MOV  	DPTR,#0FFFCH
	LCALL	?C?ADDXBP
; {
;     INT8U          oserr;
;     COMM_RING_BUF  *pbuf;
; 	extern INT8U FirstCharFlag;
;     pbuf=&CommBuf;
			; SOURCE LINE # 56
	MOV  	DPH,?C_XBP
	MOV  	DPL,?C_XBP+01H
	INC  	DPTR
	MOV  	A,#01H
	MOVX 	@DPTR,A
	INC  	DPTR
	MOV  	A,#HIGH (CommBuf)
	MOVX 	@DPTR,A
	INC  	DPTR
	MOV  	A,#LOW (CommBuf)
	MOVX 	@DPTR,A
;     OSSemPend(pbuf->RingBufTxSem, to, &oserr);             /* Wait for space in Tx buffer              */
			; SOURCE LINE # 57
	MOV  	DPH,?C_XBP
	MOV  	DPL,?C_XBP+01H
	INC  	DPTR
	MOVX 	A,@DPTR
	MOV  	R3,A
	INC  	DPTR
	MOVX 	A,@DPTR
	MOV  	R2,A
	INC  	DPTR
	MOVX 	A,@DPTR
	MOV  	R1,A
	MOV  	DPTR,#04DH
	LCALL	?C?PLDOPTR
	PUSH 	AR3
	PUSH 	AR2
	PUSH 	AR1
	MOV  	DPTR,#05H
	LCALL	?C?XBPOFF
	MOVX 	A,@DPTR
	MOV  	R4,A
	INC  	DPTR
	MOVX 	A,@DPTR
	MOV  	R5,A
	MOV  	DPH,?C_XBP
	MOV  	DPL,?C_XBP+01H
	MOV  	R1,DPL
	MOV  	R2,DPH
	MOV  	DPTR,#?_OSSemPend?BYTE+05H
	MOV  	A,#01H
	MOVX 	@DPTR,A
	INC  	DPTR
	MOV  	A,R2
	MOVX 	@DPTR,A
	INC  	DPTR
	MOV  	A,R1
	MOVX 	@DPTR,A
	POP  	AR1
	POP  	AR2
	POP  	AR3
	LCALL	_OSSemPend
;     if (oserr == OS_TIMEOUT) {
			; SOURCE LINE # 58
	MOV  	DPH,?C_XBP
	MOV  	DPL,?C_XBP+01H
	MOVX 	A,@DPTR
	CJNE 	A,#0AH,?C0002
;         return (COMM_TX_TIMEOUT);                          /* Timed out, return error code             */
			; SOURCE LINE # 59
	MOV  	R7,#06H
	LJMP 	?C0003
;     }
			; SOURCE LINE # 60
?C0002:
;     OS_ENTER_CRITICAL();
			; SOURCE LINE # 61
	CLR  	EA
;     pbuf->RingBufTxCtr++;                                  /* No, increment character count            */
			; SOURCE LINE # 62
	MOV  	DPH,?C_XBP
	MOV  	DPL,?C_XBP+01H
	INC  	DPTR
	MOVX 	A,@DPTR
	MOV  	R3,A
	INC  	DPTR
	MOVX 	A,@DPTR
	MOV  	R2,A
	INC  	DPTR
	MOVX 	A,@DPTR
	MOV  	R1,A
	MOV  	DPTR,#04BH
	CLR  	A
	MOV  	B,#01H
	LCALL	?C?IILDOPTR
;     *pbuf->RingBufTxInPtr++ = c;                           /* Put character into buffer                */
			; SOURCE LINE # 63
	MOV  	DPTR,#04H
	LCALL	?C?XBPOFF
	MOVX 	A,@DPTR
	MOV  	R7,A
	MOV  	DPTR,#050H
	CLR  	A
	MOV  	B,#01H
	LCALL	?C?PLDIOPTR
	MOV  	A,R7
	LCALL	?C?CSTPTR
;     if (pbuf->RingBufTxInPtr == &pbuf->RingBufTx[COMM_TX_BUF_SIZE]) {     /* Wrap IN pointer           */
			; SOURCE LINE # 64
	MOV  	DPH,?C_XBP
	MOV  	DPL,?C_XBP+01H
	INC  	DPTR
	MOVX 	A,@DPTR
	MOV  	R3,A
	INC  	DPTR
	MOVX 	A,@DPTR
	MOV  	R2,A
	INC  	DPTR
	MOVX 	A,@DPTR
	MOV  	R1,A
	MOV  	DPTR,#050H
	LCALL	?C?PLDOPTR
	PUSH 	AR3
	PUSH 	AR2
	PUSH 	AR1
	MOV  	DPH,?C_XBP
	MOV  	DPL,?C_XBP+01H
	INC  	DPTR
	MOVX 	A,@DPTR
	MOV  	R3,A
	INC  	DPTR
	MOVX 	A,@DPTR
	MOV  	R2,A
	INC  	DPTR
	MOVX 	A,@DPTR
	ADD  	A,#096H
	MOV  	R1,A
	CLR  	A
	ADDC 	A,R2
	MOV  	R2,A
	POP  	DPL
	POP  	DPH
	POP  	ACC
	XRL  	A,R3
	JNZ  	?C0018
	MOV  	A,R1
	XRL  	A,DPL
	JNZ  	?C0018
	MOV  	A,R2
	XRL  	A,DPH
?C0018:
	JNZ  	?C0004
;         pbuf->RingBufTxInPtr = &pbuf->RingBufTx[0];
			; SOURCE LINE # 65
	MOV  	DPH,?C_XBP
	MOV  	DPL,?C_XBP+01H
	INC  	DPTR
	MOVX 	A,@DPTR
	MOV  	R3,A
	INC  	DPTR
	MOVX 	A,@DPTR
	MOV  	R2,A
	INC  	DPTR
	MOVX 	A,@DPTR
	ADD  	A,#056H
	MOV  	R1,A
	CLR  	A
	ADDC 	A,R2
	MOV  	R2,A
	PUSH 	AR3
	PUSH 	AR2
	PUSH 	AR1
	MOV  	DPH,?C_XBP
	MOV  	DPL,?C_XBP+01H
	INC  	DPTR
	MOVX 	A,@DPTR
	MOV  	R3,A
	INC  	DPTR
	MOVX 	A,@DPTR
	MOV  	R2,A
	INC  	DPTR
	MOVX 	A,@DPTR
	MOV  	R1,A
	MOV  	DPTR,#050H
	LCALL	?C?PSTOPTR
;     }
			; SOURCE LINE # 66
?C0004:
;     if (pbuf->RingBufTxCtr == 1) {                         /* See if this is the first character       */
			; SOURCE LINE # 67
	MOV  	DPH,?C_XBP
	MOV  	DPL,?C_XBP+01H
	INC  	DPTR
	MOVX 	A,@DPTR
	MOV  	R3,A
	INC  	DPTR
	MOVX 	A,@DPTR
	MOV  	R2,A
	INC  	DPTR
	MOVX 	A,@DPTR
	MOV  	R1,A
	MOV  	DPTR,#04BH
	LCALL	?C?ILDOPTR
	XRL  	A,#01H
	ORL  	A,B
	JNZ  	?C0005
;       if(FirstCharFlag==0x01)
			; SOURCE LINE # 68
	MOV  	DPTR,#FirstCharFlag
	MOVX 	A,@DPTR
	CJNE 	A,#01H,?C0005
;       
;        TI=1;                                               /* Yes, Enable Tx interrupts                */
			; SOURCE LINE # 70
	SETB 	TI
;       
;     }
			; SOURCE LINE # 72
?C0005:
;     OS_EXIT_CRITICAL();
			; SOURCE LINE # 73
	SETB 	EA
;     return (COMM_NO_ERR);
			; SOURCE LINE # 74
	MOV  	R7,#00H
; }
			; SOURCE LINE # 75
?C0003:
	MOV  	DPTR,#07H
	LJMP 	?C?ADDXBP
; END OF _?CommPutChar

; 
; void  CommPutRxChar (INT8U c) reentrant

	RSEG  ?PR?_?CommPutRxChar?COMMRTOS
_?CommPutRxChar:
	USING	0
			; SOURCE LINE # 77
	MOV  	DPTR,#0FFFFH
	LCALL	?C?ADDXBP
	MOV  	A,R7
	MOVX 	@DPTR,A
	MOV  	DPTR,#0FFFDH
	LCALL	?C?ADDXBP
; {
;     COMM_RING_BUF *pbuf;
; 	pbuf=&CommBuf;
			; SOURCE LINE # 80
	MOV  	DPH,?C_XBP
	MOV  	DPL,?C_XBP+01H
	MOV  	A,#01H
	MOVX 	@DPTR,A
	INC  	DPTR
	MOV  	A,#HIGH (CommBuf)
	MOVX 	@DPTR,A
	INC  	DPTR
	MOV  	A,#LOW (CommBuf)
	MOVX 	@DPTR,A
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