📄 os_time.src
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; .\OS_TIME.SRC generated from: OS_TIME.C
; COMPILER INVOKED BY:
; D:\Program Files\Keil\C51\BIN\C51.EXE OS_TIME.C LARGE BROWSE DEBUG OBJECTEXTEND SRC(.\OS_TIME.SRC)
$NOMOD51
NAME OS_TIME
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?_?OSTimeDly?OS_TIME SEGMENT CODE
?PR?_?OSTimeDlyHMSM?OS_TIME SEGMENT CODE
?PR?_?OSTimeDlyResume?OS_TIME SEGMENT CODE
?PR?_?OSTimeGet?OS_TIME SEGMENT CODE
?PR?_?OSTimeSet?OS_TIME SEGMENT CODE
EXTRN XDATA (OSRdyGrp)
EXTRN CODE (_?OSSched)
EXTRN IDATA (OSTCBCur)
EXTRN XDATA (OSTime)
EXTRN XDATA (OSTCBPrioTbl)
EXTRN XDATA (OSRdyTbl)
EXTRN CODE (?C?ADDXBP)
EXTRN DATA (?C_XBP)
EXTRN CODE (?C?CLDOPTR)
EXTRN CODE (?C?ISTOPTR)
EXTRN CODE (?C?XBPOFF)
EXTRN CODE (?C?LMUL)
EXTRN CODE (?C?ULDIV)
EXTRN CODE (?C?LSTXDATA)
EXTRN CODE (?C?IILDX)
EXTRN CODE (?C?ILDOPTR)
PUBLIC _?OSTimeSet
PUBLIC _?OSTimeGet
PUBLIC _?OSTimeDlyResume
PUBLIC _?OSTimeDlyHMSM
PUBLIC _?OSTimeDly
; /*
; *********************************************************************************************************
; * uC/OS-II
; * The Real-Time Kernel
; * TIME MANAGEMENT
; *
; * (c) Copyright 1992-1998, Jean J. Labrosse, Plantation, FL
; * All Rights Reserved
; *
; * V2.00
; *
; * File : OS_TIME.C
; * By : Jean J. Labrosse
; *********************************************************************************************************
; */
;
; #ifndef OS_MASTER_FILE
; #include "includes.h"
; #endif
;
; /*
; *********************************************************************************************************
; * DELAY TASK 'n' TICKS (n from 0 to 65535)
; *
; * Description: This function is called to delay execution of the currently running task until the
; * specified number of system ticks expires. This, of course, directly equates to delaying
; * the current task for some time to expire. No delay will result If the specified delay is
; * 0. If the specified delay is greater than 0 then, a context switch will result.
; *
; * Arguments : ticks is the time delay that the task will be suspended in number of clock 'ticks'.
; * Note that by specifying 0, the task will not be delayed.
; *
; * Returns : none
; *********************************************************************************************************
; */
;
; void OSTimeDly (INT16U ticks) reentrant
RSEG ?PR?_?OSTimeDly?OS_TIME
_?OSTimeDly:
USING 0
; SOURCE LINE # 37
MOV DPTR,#0FFFEH
LCALL ?C?ADDXBP
MOV A,R6
MOVX @DPTR,A
INC DPTR
MOV A,R7
MOVX @DPTR,A
; {
; if (ticks > 0) { /* 0 means no delay! */
; SOURCE LINE # 39
MOV DPH,?C_XBP
MOV DPL,?C_XBP+01H
MOVX A,@DPTR
MOV R4,A
INC DPTR
MOVX A,@DPTR
MOV R5,A
SETB C
SUBB A,#00H
MOV A,R4
SUBB A,#00H
JC ?C0003
; OS_ENTER_CRITICAL();
; SOURCE LINE # 40
CLR EA
; if ((OSRdyTbl[OSTCBCur->OSTCBY] &= ~OSTCBCur->OSTCBBitX) == 0) { /* Delay current task */
; SOURCE LINE # 41
MOV R0,#LOW (OSTCBCur)
MOV AR3,@R0
INC R0
MOV A,@R0
MOV R2,A
INC R0
MOV A,@R0
MOV R1,A
MOV DPTR,#0EH
LCALL ?C?CLDOPTR
ADD A,#LOW (OSRdyTbl)
MOV DPL,A
CLR A
ADDC A,#HIGH (OSRdyTbl)
MOV DPH,A
PUSH DPH
PUSH DPL
MOVX A,@DPTR
MOV R7,A
MOV R0,#LOW (OSTCBCur)
MOV AR3,@R0
INC R0
MOV A,@R0
MOV R2,A
INC R0
MOV A,@R0
MOV R1,A
MOV DPTR,#0FH
LCALL ?C?CLDOPTR
CPL A
MOV R6,A
MOV A,R7
ANL A,R6
POP DPL
POP DPH
MOVX @DPTR,A
JNZ ?C0002
; OSRdyGrp &= ~OSTCBCur->OSTCBBitY;
; SOURCE LINE # 42
MOV DPTR,#OSRdyGrp
MOVX A,@DPTR
MOV R7,A
MOV DPTR,#010H
LCALL ?C?CLDOPTR
CPL A
MOV R6,A
MOV A,R7
ANL A,R6
MOV DPTR,#OSRdyGrp
MOVX @DPTR,A
; }
; SOURCE LINE # 43
?C0002:
; OSTCBCur->OSTCBDly = ticks; /* Load ticks in TCB */
; SOURCE LINE # 44
MOV R0,#LOW (OSTCBCur)
MOV AR3,@R0
INC R0
MOV A,@R0
MOV R2,A
INC R0
MOV A,@R0
MOV R1,A
MOV DPTR,#09H
MOV A,R4
MOV B,R5
LCALL ?C?ISTOPTR
; OS_EXIT_CRITICAL();
; SOURCE LINE # 45
SETB EA
; OSSched(); /* Find next task to run! */
; SOURCE LINE # 46
LCALL _?OSSched
; }
; SOURCE LINE # 47
; }
; SOURCE LINE # 48
?C0003:
MOV DPTR,#02H
LJMP ?C?ADDXBP
; END OF _?OSTimeDly
; /*$PAGE*/
; /*
; *********************************************************************************************************
; * DELAY TASK FOR SPECIFIED TIME
; *
; * Description: This function is called to delay execution of the currently running task until some time
; * expires. This call allows you to specify the delay time in HOURS, MINUTES, SECONDS and
; * MILLISECONDS instead of ticks.
; *
; * Arguments : hours specifies the number of hours that the task will be delayed (max. is 255)
; * minutes specifies the number of minutes (max. 59)
; * seconds specifies the number of seconds (max. 59)
; * milli specifies the number of milliseconds (max. 999)
; *
; * Returns : OS_NO_ERR
; * OS_TIME_INVALID_MINUTES
; * OS_TIME_INVALID_SECONDS
; * OS_TIME_INVALID_MS
; * OS_TIME_ZERO_DLY
; *
; * Note(s) : The resolution on the milliseconds depends on the tick rate. For example, you can't do
; * a 10 mS delay if the ticker interrupts every 100 mS. In this case, the delay would be
; * set to 0. The actual delay is rounded to the nearest tick.
; *********************************************************************************************************
; */
;
; INT8U OSTimeDlyHMSM (INT8U hours, INT8U minutes, INT8U seconds, INT16U milli) reentrant
RSEG ?PR?_?OSTimeDlyHMSM?OS_TIME
_?OSTimeDlyHMSM:
USING 0
; SOURCE LINE # 75
MOV DPTR,#0FFFFH
LCALL ?C?ADDXBP
MOV A,R3
MOVX @DPTR,A
MOV DPTR,#0FFFFH
LCALL ?C?ADDXBP
MOV A,R5
MOVX @DPTR,A
MOV DPTR,#0FFFFH
LCALL ?C?ADDXBP
MOV A,R7
MOVX @DPTR,A
MOV DPTR,#0FFFAH
LCALL ?C?ADDXBP
; {
; INT32U ticks;
; INT16U loops;
;
;
; if (hours > 0 || minutes > 0 || seconds > 0 || milli > 0) {
; SOURCE LINE # 81
MOV DPTR,#06H
LCALL ?C?XBPOFF
MOVX A,@DPTR
SETB C
SUBB A,#00H
JNC ?C0005
MOV DPTR,#07H
LCALL ?C?XBPOFF
MOVX A,@DPTR
SETB C
SUBB A,#00H
JNC ?C0005
MOV DPTR,#08H
LCALL ?C?XBPOFF
MOVX A,@DPTR
SETB C
SUBB A,#00H
JNC ?C0005
MOV DPTR,#09H
LCALL ?C?XBPOFF
MOVX A,@DPTR
MOV R6,A
INC DPTR
MOVX A,@DPTR
SETB C
SUBB A,#00H
MOV A,R6
SUBB A,#00H
JNC $ + 5H
LJMP ?C0004
?C0005:
; if (minutes > 59) {
; SOURCE LINE # 82
MOV DPTR,#07H
LCALL ?C?XBPOFF
MOVX A,@DPTR
MOV R6,A
SETB C
SUBB A,#03BH
JC ?C0006
; return (OS_TIME_INVALID_MINUTES); /* Validate arguments to be within range */
; SOURCE LINE # 83
MOV R7,#051H
LJMP ?C0007
; }
; SOURCE LINE # 84
?C0006:
; if (seconds > 59) {
; SOURCE LINE # 85
MOV DPTR,#08H
LCALL ?C?XBPOFF
MOVX A,@DPTR
SETB C
SUBB A,#03BH
JC ?C0008
; return (OS_TIME_INVALID_SECONDS);
; SOURCE LINE # 86
MOV R7,#052H
LJMP ?C0007
; }
; SOURCE LINE # 87
?C0008:
; if (milli > 999) {
; SOURCE LINE # 88
MOV DPTR,#09H
LCALL ?C?XBPOFF
MOVX A,@DPTR
MOV R4,A
INC DPTR
MOVX A,@DPTR
SETB C
SUBB A,#0E7H
MOV A,R4
SUBB A,#03H
JC ?C0009
; return (OS_TIME_INVALID_MILLI);
; SOURCE LINE # 89
MOV R7,#053H
LJMP ?C0007
; }
; SOURCE LINE # 90
?C0009:
; /* Compute the total number of clock ticks required.. */
; /* .. (rounded to the nearest tick) */
; ticks = ((INT32U)hours * 3600L + (INT32U)minutes * 60L + (INT32U)seconds) * OS_TICKS_PER_SEC
; + OS_TICKS_PER_SEC * ((INT32U)milli + 500L / OS_TICKS_PER_SEC) / 1000L;
; SOURCE LINE # 94
MOV R7,AR6
CLR A
MOV R4,A
MOV R5,A
MOV R6,A
MOV R3,#03CH
MOV R2,A
MOV R1,A
MOV R0,A
LCALL ?C?LMUL
PUSH AR4
PUSH AR5
PUSH AR6
PUSH AR7
MOV DPTR,#06H
LCALL ?C?XBPOFF
MOVX A,@DPTR
MOV R7,A
CLR A
MOV R4,A
MOV R5,A
MOV R6,A
MOV R3,#010H
MOV R2,#0EH
MOV R1,A
MOV R0,A
LCALL ?C?LMUL
POP AR3
POP AR2
POP AR1
POP AR0
MOV A,R7
ADD A,R3
MOV R3,A
MOV A,R6
ADDC A,R2
MOV R2,A
MOV A,R5
ADDC A,R1
MOV R1,A
MOV A,R4
ADDC A,R0
MOV R0,A
MOV DPTR,#08H
LCALL ?C?XBPOFF
MOVX A,@DPTR
MOV R7,A
CLR A
MOV R4,A
MOV R5,A
MOV R6,A
MOV A,R3
ADD A,R7
MOV R7,A
MOV A,R6
ADDC A,R2
MOV R6,A
MOV A,R5
ADDC A,R1
MOV R5,A
MOV A,R4
ADDC A,R0
MOV R4,A
CLR A
MOV R3,#032H
MOV R2,A
MOV R1,A
MOV R0,A
LCALL ?C?LMUL
PUSH AR4
PUSH AR5
PUSH AR6
PUSH AR7
MOV DPTR,#09H
LCALL ?C?XBPOFF
MOVX A,@DPTR
MOV R6,A
INC DPTR
MOVX A,@DPTR
MOV R7,A
MOV A,R7
ADD A,#0AH
MOV R7,A
CLR A
ADDC A,R6
MOV R6,A
CLR A
RLC A
MOV R5,A
CLR A
RLC A
MOV R4,A
CLR A
MOV R3,#032H
MOV R2,A
MOV R1,A
MOV R0,A
LCALL ?C?LMUL
CLR A
MOV R3,#0E8H
MOV R2,#03H
MOV R1,A
MOV R0,A
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