OSAL代码分析.docx
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OSAL代码分析
目录
AccessCodeSpace.s512
flashDmaTrigger.s512
flashErasePage.s513
OSAL.h4
OSAL.c7
OSAL_CUSTOM_H18
OSAL_Memory.h19
OSAL_Memory.c21
OSAL_Nv.h27
OSAL_Nv.C28
OSAL_PwrMgr.h45
OSAL_PwrMgr.c46
OSAL_Tasks.h48
OSAL_Tasks.c50
OSAL_Timers.h52
OSAL_Timers.c54
ZComDef.h62
AccessCodeSpace.s51
NAMECC2430_READ_ANY_CODE_BYTE
;Copyright（c）2006byTexasInstruments,Inc.
;AllRightsReserved.Permissiontouse,reproduce,copy,prepare
;derivativeworks,modify,distribute,perform,displayorsellthis
;softwareand/oritsdocumentationforanypurposeisprohibited
;withouttheexpresswrittenconsentofTexasInstruments,Inc.
MEMCTREQU0xC7
RSEGNEAR_CODE
PUBLICGetCodeByte
FUNCTIONGetCodeByte,0203H
;
;Getabytefromcodespace.
;
;uint8GetCodeByte（uint32logical_address）
;
;Input:
the"logicaladdress"isjusttheoffsetofthe
;byteassumingacontiguousflataddressspace.
;
;Returns:
BytereadreturnedinR1
;
;***********************************
;***Functionisa__near_func***
;***********************************
;
;firstwehavetomapthelogicaladdresstothelinkeraddress.then
;wecanpopulatetheMEMCTRregisterproperly.
;
;logicaladrlinkeradrBank
;0x00000-0x07FFF->0x00000-0x07FFF0
;0x08000-0x08FFF->0x18000-0x1FFFF1
;0x10000-0x17FFF->0x28000-0x2FFFF2
;0x18000-0x1FFFF->0x38000-0x3FFFF3
;
;thelogicaladdressisinR5:
R4:
R3:
R2（MSB-LSB）butR5shouldalwaysbe0.
;
;wecantellthebankbyshiftingtheentireaddressleft1.afterthat
;thethirdbyte（R4）willcontainthebanknumber（0-3）.awkwardness
;comesinwhensettingtheDPTR.Oncethelogicaladdressis>0x7FFF
;thelinkeraddressisalwaysbeginsat0xb8000where'b'isthebank
;number.
;
;
GetCodeByte:
;getthebanknumber
MOVA,R4;arewepast64K?
RLA;shiftthebit（ifit'sthere）left
MOVB,A;savetheshiftedresultinB
MOVA,R3;nowwewanttoshiftintheMSBinr3tocompletethebanknumber
ANLA,#0x80;maskofftheMSB
RLA;shiftitintothelsbposition.
ORLA,B;ORbit0inAwithBtocompletethebanknumber
SWAPA;swaptogetthebanknumberintothecorrectplaceforMEMCTR
MOVB,A;saveitinB
;here'stheawkwardpart.ifthebankis2wehavetoadd
;0x80toR3.
XRLA,#0x20;Astillhasthenibble-swappedbanknumber.ifthisresaultis0itwas2.
JNZ_notBank2
MOVA,R3;it'sBank2.weneedtomodifyR3forlateruseinDPH
ORLA,#0x80
MOVR3,A
;prepareMEMCTRandDPTR
_notBank2:
MOVA,MEMCTR;getcurrentMEMCTR
MOVR4,A;saveit
ANLA,#0xCF;maskoffbankbits
ORLA,B;ORintherequiredbanknumber
MOVMEMCTR,A;savetheresulttoMEMCTR
CLRA;getready...
MOVDPH,R3
MOVDPL,R2
MOVCA,@A+DPTR;getbyte
MOVR1,A;movebytetoreturnregister
MOVMEMCTR,R4;restoreMEMCTR
RET
END
flashDmaTrigger.s51
/******************************************************************************
*
*Filename:
flashDmaTrigger.s51
*Target:
cc2430
*Author:
KJA
*Revised:
10/3-2006
*Revision:
1.0
*
*Copyright（c）2006byTexasInstruments,Inc.
*AllRightsReserved.Permissiontouse,reproduce,copy,prepare
*derivativeworks,modify,distribute,perform,displayorsellthis
*softwareand/oritsdocumentationforanypurposeisprohibited
*withouttheexpresswrittenconsentofTexasInstruments,Inc.
*
******************************************************************************/
;;-----------------------------------------------------------------------------
;;Thisfunctionwrite0x02toFCTL,thereasonfordoing
;;thisinassemblyisthattheinstructionmostbealigned
;;to4.
;;Thealigmentisdonewith"RSEGRCODE
（2）"
;;-----------------------------------------------------------------------------
#include"ioCC2430.h"
MODULEflashDmaTrigger.s51
RSEGRCODE
（2）
PUBLIChalFlashDmaTrigger
FUNCTIONhalFlashDmaTrigger,0203H
halFlashDmaTrigger:
ORLFCTL,#0x02;
RET;
END;
flashErasePage.s51
/******************************************************************************
*
*Filename:
flashErasePage.s51
*Target:
cc2430
*Author:
EFU
*Revised:
13/12-2005
*Revision:
1.0
*
*Copyright（c）2006byTexasInstruments,Inc.
*AllRightsReserved.Permissiontouse,reproduce,copy,prepare
*derivativeworks,modify,distribute,perform,displayorsellthis
*softwareand/oritsdocumentationforanypurposeisprohibited
*withouttheexpresswrittenconsentofTexasInstruments,Inc.
*
******************************************************************************/
;;------------------------------------------------------------------------------------------------------
;;Seehal.hforadescriptionofthisfunction.
;;------------------------------------------------------------------------------------------------------
#include"ioCC2430.h"
MODULEflashErasePage.s51
RSEGRCODE
PUBLICflashErasePage
FUNCTIONflashErasePage,0203H
DS1
flashErasePage:
;R2（LSB）andR3（MSB）containsthestartaddressofthebufferfromwhichtheprogramcanberuninRAM
;R1containstheflashpagethedataistobewrittento
;Makesurethatinterruptsareoff
MOVR0,#01;
JBCEA,intsOffHere;
MOVR0,#00;
intsOffHere:
;Storingtheinitialdatapointerselect.
PUSHDPH;
PUSHDPL;
PUSHDPH1;
PUSHDPL1;
PUSHDPS;
;SetDPTR0=addressinXDATARAMtowhichtheflashwriteprocedurewhichistobecopied.
MOVA,R3;
MOVDPH,A;
MOVA,R2;
MOVDPL,A;
;SavingthestartaddressoftheactualflashwriteprocedureinXDATARAM.
PUSHDPL;
PUSHDPH;
;SetDPTR1=startaddressoftheproceduretemplateinCODE
;ThisprocedureistobecopiedtoXDATA.
MOVDPH1,#HIGH（eraseFlashProcStart）;
MOVDPL1,#LOW（eraseFlashProcStart）;
;UseR1tocountloops...
MOVR4,#eraseFlashProcEnd-eraseFlashProcStart;
;Copy@DPTR1->@DPTR0
copyLoop:
MOVDPS,#1;
MOVXA,@DPTR;
INCDPTR;
MOVDPS,#0;
MOVX@DPTR,A;
INCDPTR;
DJNZR4,copyLoop;
;Settingtheflashpagetowriteto
;Bits6:
1ofFADDRHindicateswhichpagetowriteto.
MOVA,R1
RLA
MOVFADDRH,A
MOVFADDRL,#00H
;SettingtheflashwritetimingaccordingtotheclockdivisionfactorinCLKCON.
MOVA,CLKCON
ANLA,#07H
MOVR4,A
INCR4
MOVA,#054H
rotate:
CLRC
RRCA
DJNZR4,rotate
MOVFWT,A
;Datapointer0indicateswherethestartofthecopiedroutineinXDATAislocated.
;Pointertostartofdatatocopyisindatapointer1.
MOVDPS,#0;
POPDPH;
POPDPL;
PUSHMEMCTR;
MOVMEMCTR,#051H;
;Maketheindirectfunctioncall
LCALLindirCall;
POPMEMCTR;
;Usingtheoriginaldatapointer
POPDPS;
POPDPL1;
POPDPH1;
POPDPL;
POPDPH;
MOVA,R0;
JZintsWereOff;
SETBEA;
intsWereOff:
RET;
;CallingtheflashwriteinXDATARAM.（PointedtobyDPTR0）
indirCall:
CLRA;
JMP@A+DPTR;
eraseFlashProcStart:
;Erasingthepage
MOVFCTL,#01H
waitEraseLoop:
MOVA,FCTL
ANLA,#80H
JNZwaitEraseLoop
done:
RET;
eraseFlashProcEnd:
END;
OSAL.h
#ifndefOSAL_H
#defineOSAL_H
/*********************************************************************
Filename:
OSAL.h
Revised:
$Date:
2006-09-2918:
09:
20-0700（Fri,29Sep2006）$
Revision:
$Revision:
12162$
Description:
ThisAPIallowsthesoftwarecomponentsintheZ-stacktobe
writtenindependentlyofthespecificsoftheoperatingsystem,
kernelortaskingenvironment（includingcontrolloopsor
connect-to-interruptsystems）.
Notes:
Copyright（c）2006byTexasInstruments,Inc.
AllRightsReserved.Permissiontouse,reproduce,copy,prepare
derivativeworks,modify,distribute,perform,displayorsellthis
softwareand/oritsdocumentationforanypurposeisprohibited
withouttheexpresswrittenconsentofTexasInstruments,Inc.
*********************************************************************/
#ifdef__cplusplus
extern"C"
{
#endif
/*********************************************************************
*INCLUDES
*/
#include"ZComDef.h"
#include"OSAL_Memory.h"
#include"OSAL_Timers.h"
/*********************************************************************
*MACROS
*/
#defineosal_offsetof（type,member）（（uint16）&（（（type*）0）->member））
#defineOSAL_MSG_NEXT（msg_ptr）（（osal_msg_hdr_t*）（msg_ptr）-1）->next
#defineOSAL_MSG_Q_INIT（q_ptr）*（q_ptr）=NULL
#defineOSAL_MSG_Q_EMPTY（q_ptr）（*（q_ptr）==NULL）
#defineOSAL_MSG_Q_HEAD（q_ptr）（*（q_ptr））
/*********************************************************************
*CONSTANTS
*/
/***Interrupts***/
#defineINTS_ALL0xFF
/*********************************************************************
*TYPEDEFS
*/
typedefstruct
{
void*next;
uint16len;
bytedest_id;
}osal_msg_hdr_t;
typedefstruct
{
uint8event;
uint8status;
}osal_event_hdr_t;
typedefvoid*osal_msg_q_t;
/*********************************************************************
*GLOBALVARIABLES
*/
/*********************************************************************
*FUNCTIONS
*/
/***MessageManagement***/
/*
*TaskMessageAllocation
*/
externbyte*osal_msg_allocate（uint16len）;
/*
*TaskMessageDeallocation
*/
externbyteosal_msg_deallocate（byte*msg_ptr）;
/*
*TaskMessagesCount
*/
externUINT16osal_num_msgs（void）;
/*
*SendaTaskMessage
*/
externbyteosal_msg_send（bytedestination_task,byte*msg_ptr）;
/*
*ReceiveaTaskMessage
*/
externbyte*osal_msg_receive（bytetask_id）;
/*
*EnqueueaTaskMessage
*/
externvoidosal_msg_enqueue（osal_msg_q_t*q_ptr,void*msg_ptr）;
/*
*EnqueueaTaskMessageUptoMax
*/
externbyteosal_msg_enqueue_max（osal_msg_q_t*q_p
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