📄 os_time.src
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; .\OS_TIME.SRC generated from: OS_TIME.C
; COMPILER INVOKED BY:
; C:\Keil\C51\BIN\C51.EXE OS_TIME.C LARGE BROWSE ORDER NOAREGS DEBUG OBJECTEXTEND SRC(.\OS_TIME.SRC)
$NOMOD51
NAME OS_TIME
P0 DATA 080H
P1 DATA 090H
P2 DATA 0A0H
P3 DATA 0B0H
PSW DATA 0D0H
ACC DATA 0E0H
B DATA 0F0H
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
IE DATA 0A8H
IP DATA 0B8H
SCON DATA 098H
SBUF DATA 099H
CY BIT 0D0H.7
AC BIT 0D0H.6
F0 BIT 0D0H.5
RS1 BIT 0D0H.4
RS0 BIT 0D0H.3
OV BIT 0D0H.2
P BIT 0D0H.0
TF1 BIT 088H.7
TR1 BIT 088H.6
TF0 BIT 088H.5
TR0 BIT 088H.4
IE1 BIT 088H.3
IT1 BIT 088H.2
IE0 BIT 088H.1
IT0 BIT 088H.0
EA BIT 0A8H.7
ES BIT 0A8H.4
ET1 BIT 0A8H.3
EX1 BIT 0A8H.2
ET0 BIT 0A8H.1
EX0 BIT 0A8H.0
PS BIT 0B8H.4
PT1 BIT 0B8H.3
PX1 BIT 0B8H.2
PT0 BIT 0B8H.1
PX0 BIT 0B8H.0
RD BIT 0B0H.7
WR BIT 0B0H.6
T1 BIT 0B0H.5
T0 BIT 0B0H.4
INT1 BIT 0B0H.3
INT0 BIT 0B0H.2
TXD BIT 0B0H.1
RXD BIT 0B0H.0
SM0 BIT 098H.7
SM1 BIT 098H.6
SM2 BIT 098H.5
REN BIT 098H.4
TB8 BIT 098H.3
RB8 BIT 098H.2
TI BIT 098H.1
RI BIT 098H.0
?PR?_OSTimeDly?OS_TIME SEGMENT CODE
?PR?_OSTimeDlyHMSM?OS_TIME SEGMENT CODE
?XD?_OSTimeDlyHMSM?OS_TIME SEGMENT XDATA OVERLAYABLE
?PR?_OSTimeDlyResume?OS_TIME SEGMENT CODE
?XD?_OSTimeDlyResume?OS_TIME SEGMENT XDATA OVERLAYABLE
?PR?OSTimeGet?OS_TIME SEGMENT CODE
?PR?_OSTimeSet?OS_TIME SEGMENT CODE
EXTRN XDATA (OSRdyGrp)
EXTRN XDATA (OSRdyTbl)
EXTRN IDATA (OSTCBCur)
EXTRN XDATA (OSTCBPrioTbl)
EXTRN XDATA (OSTime)
EXTRN CODE (OS_Sched)
EXTRN CODE (?C?CLDOPTR)
EXTRN CODE (?C?ISTOPTR)
EXTRN CODE (?C?LMUL)
EXTRN CODE (?C?ULDIV)
EXTRN CODE (?C?LSTXDATA)
EXTRN CODE (?C?ILDOPTR)
PUBLIC _OSTimeSet
PUBLIC OSTimeGet
PUBLIC _OSTimeDlyResume
PUBLIC ?_OSTimeDlyHMSM?BYTE
PUBLIC _OSTimeDlyHMSM
PUBLIC _OSTimeDly
RSEG ?XD?_OSTimeDlyHMSM?OS_TIME
?_OSTimeDlyHMSM?BYTE:
hours?141: DS 1
minutes?142: DS 1
seconds?143: DS 1
milli?144: DS 2
ORG 5
ticks?145: DS 4
loops?146: DS 2
RSEG ?XD?_OSTimeDlyResume?OS_TIME
?_OSTimeDlyResume?BYTE:
ptcb?248: DS 3
; /*
; *********************************************************************************************************
; * uC/OS-II
; * The Real-Time Kernel
; * TIME MANAGEMENT
; *
; * (c) Copyright 1992-2002, Jean J. Labrosse, Weston, FL
; * All Rights Reserved
; *
; * 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)
RSEG ?PR?_OSTimeDly?OS_TIME
_OSTimeDly:
USING 0
; SOURCE LINE # 35
;---- Variable 'ticks?040' assigned to Register 'R4/R5' ----
XCH A,R5
MOV A,R7
XCH A,R5
XCH A,R4
MOV A,R6
XCH A,R4
; {
; SOURCE LINE # 36
;
;
;
; if (ticks > 0) { /* 0 means no delay! */
; SOURCE LINE # 40
SETB C
MOV A,R5
SUBB A,#00H
MOV A,R4
SUBB A,#00H
JC ?C0003
; OS_ENTER_CRITICAL();
; SOURCE LINE # 41
CLR EA
; if ((OSRdyTbl[OSTCBCur->OSTCBY] &= ~OSTCBCur->OSTCBBitX) == 0) { /* Delay current task */
; SOURCE LINE # 42
MOV R0,#LOW (OSTCBCur)
XCH A,R3
MOV A,@R0
XCH A,R3
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)
XCH A,R3
MOV A,@R0
XCH A,R3
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 # 43
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 # 44
?C0002:
; OSTCBCur->OSTCBDly = ticks; /* Load ticks in TCB */
; SOURCE LINE # 45
XCH A,R7
MOV A,R5
XCH A,R7
MOV R0,#LOW (OSTCBCur)
XCH A,R3
MOV A,@R0
XCH A,R3
INC R0
MOV A,@R0
MOV R2,A
INC R0
MOV A,@R0
MOV R1,A
MOV DPTR,#09H
MOV A,R4
MOV B,R7
LCALL ?C?ISTOPTR
; OS_EXIT_CRITICAL();
; SOURCE LINE # 46
SETB EA
; OS_Sched(); /* Find next task to run! */
; SOURCE LINE # 47
LCALL OS_Sched
; }
; SOURCE LINE # 48
; }
; SOURCE LINE # 49
?C0003:
RET
; 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.
; *********************************************************************************************************
; */
;
; #if OS_TIME_DLY_HMSM_EN > 0
; INT8U OSTimeDlyHMSM (INT8U hours, INT8U minutes, INT8U seconds, INT16U milli)
RSEG ?PR?_OSTimeDlyHMSM?OS_TIME
_OSTimeDlyHMSM:
USING 0
; SOURCE LINE # 77
MOV DPTR,#seconds?143
MOV A,R3
MOVX @DPTR,A
;---- Variable 'minutes?142' assigned to Register 'R5' ----
MOV DPTR,#hours?141
MOV A,R7
MOVX @DPTR,A
; {
; SOURCE LINE # 78
; INT32U ticks;
; INT16U loops;
;
;
; if (hours > 0 || minutes > 0 || seconds > 0 || milli > 0) {
; SOURCE LINE # 83
SETB C
SUBB A,#00H
JNC ?C0005
MOV A,R5
SUBB A,#00H
JNC ?C0005
MOV DPTR,#seconds?143
MOVX A,@DPTR
SUBB A,#00H
JNC ?C0005
MOV DPTR,#milli?144+01H
MOVX A,@DPTR
SUBB A,#00H
MOV DPTR,#milli?144
MOVX A,@DPTR
SUBB A,#00H
JNC $ + 5H
LJMP ?C0004
?C0005:
; if (minutes > 59) {
; SOURCE LINE # 84
MOV A,R5
SETB C
SUBB A,#03BH
JC ?C0006
; return (OS_TIME_INVALID_MINUTES); /* Validate arguments to be within range */
; SOURCE LINE # 85
MOV R7,#051H
RET
; }
; SOURCE LINE # 86
?C0006:
; if (seconds > 59) {
; SOURCE LINE # 87
MOV DPTR,#seconds?143
MOVX A,@DPTR
SETB C
SUBB A,#03BH
JC ?C0008
; return (OS_TIME_INVALID_SECONDS);
; SOURCE LINE # 88
MOV R7,#052H
RET
; }
; SOURCE LINE # 89
?C0008:
; if (milli > 999) {
; SOURCE LINE # 90
SETB C
MOV DPTR,#milli?144+01H
MOVX A,@DPTR
SUBB A,#0E7H
MOV DPTR,#milli?144
MOVX A,@DPTR
SUBB A,#03H
JC ?C0009
; return (OS_TIME_INVALID_MILLI);
; SOURCE LINE # 91
MOV R7,#053H
RET
; }
; SOURCE LINE # 92
?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 # 96
XCH A,R7
MOV A,R5
XCH A,R7
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
MOV A,R4
PUSH ACC
MOV A,R5
PUSH ACC
MOV A,R6
PUSH ACC
MOV A,R7
PUSH ACC
MOV DPTR,#hours?141
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 ACC
MOV R3,A
POP ACC
MOV R2,A
POP ACC
MOV R1,A
POP ACC
MOV R0,A
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,#seconds?143
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
MOV A,R4
PUSH ACC
MOV A,R5
PUSH ACC
MOV A,R6
PUSH ACC
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