mac_backoff_timer.s51

cc2430应用实例

        CFI V4 load(1, XDATA, add(CFA_XSP16, literal(-10)))
        CFI V3 load(1, XDATA, add(CFA_XSP16, literal(-11)))
        CFI V2 load(1, XDATA, add(CFA_XSP16, literal(-12)))
        CFI V1 load(1, XDATA, add(CFA_XSP16, literal(-13)))
        CFI V0 load(1, XDATA, add(CFA_XSP16, literal(-14)))
        CFI VB load(1, XDATA, add(CFA_XSP16, literal(-15)))
        CFI R6 load(1, XDATA, add(CFA_XSP16, literal(-16)))
        CFI CFA_SP SP+0
        CFI CFA_XSP16 add(XSP16, 16)
        ; Saved register size: 16
        ; Auto size: 0
        MOV	?V0 + 0,R2
        MOV	?V0 + 1,R3
        MOV	?V0 + 2,R4
        MOV	?V0 + 3,R5
//  308   halIntState_t  s;
//  309 
//  310   MAC_ASSERT(triggerBackoff < backoffTimerRollover); /* trigger backoff must be less than rollover backoff */
        MOV	DPTR,#??backoffTimerRollover
        MOV	R0,#?V0 + 4
        LCALL	?L_MOV_X
        MOV	R0,#?V0 + 4
        MOV	R1,#?V0 + 0
        LCALL	?UL_GT
        JC	??macBackoffTimerSetTrigger_0
        ; Setup parameters for call to function halAssertHandler
        MOV	DPTR,#(halAssertHandler & 0xffff)
        MOV	A,#((halAssertHandler >> 16) & 0xff)
        LCALL	?BCALL               ; Banked call to: DPTR()
//  311 
//  312   HAL_ENTER_CRITICAL_SECTION(s);
??macBackoffTimerSetTrigger_0:
        MOV	C,0xa8.7
        CLR	A
        MOV	0xE0 /* A   */.0,C
        MOV	R6,A
        CLR	0xa8.7
//  313   backoffTimerTrigger = triggerBackoff;
        MOV	DPTR,#??backoffTimerTrigger
        MOV	R0,#?V0 + 0
        LCALL	?L_MOV_TO_X
//  314   if (triggerBackoff > MAC_RADIO_BACKOFF_COUNT())
        ; Setup parameters for call to function macMcuOverflowCount
        MOV	DPTR,#(macMcuOverflowCount & 0xffff)
        MOV	A,#((macMcuOverflowCount >> 16) & 0xff)
        LCALL	?BCALL               ; Banked call to: DPTR()
        MOV	?V0 + 4,R2
        MOV	?V0 + 5,R3
        MOV	?V0 + 6,R4
        MOV	?V0 + 7,R5
        MOV	R0,#?V0 + 0
        MOV	R1,#?V0 + 4
        LCALL	?UL_GT
        JNC	??macBackoffTimerSetTrigger_1
//  315   {
//  316     compareState = COMPARE_STATE_TRIGGER;
        MOV	A,#0x2
        MOV	DPTR,#??compareState
        MOVX	@DPTR,A
//  317     MAC_RADIO_BACKOFF_SET_COMPARE(triggerBackoff);
        ; Setup parameters for call to function macMcuOverflowSetCompare
        SJMP	??macBackoffTimerSetTrigger_2
//  318   }
//  319   else
//  320   {
//  321     if (triggerBackoff == 0)
??macBackoffTimerSetTrigger_1:
        MOV	DPTR,#__Constant_0
        MOV	R0,#?V0 + 0
        LCALL	?L_EQ_X
        JNZ	??macBackoffTimerSetTrigger_3
//  322     {
//  323       compareState = COMPARE_STATE_ROLLOVER_AND_TRIGGER;
        MOV	A,#0x3
        SJMP	??macBackoffTimerSetTrigger_4
//  324     }
//  325     else
//  326     {
//  327       compareState = COMPARE_STATE_ROLLOVER_AND_ARM_TRIGGER;
??macBackoffTimerSetTrigger_3:
        MOV	A,#0x5
??macBackoffTimerSetTrigger_4:
        LCALL	??Subroutine0_0 & 0xFFFF
//  328     }
//  329     MAC_RADIO_BACKOFF_SET_COMPARE(backoffTimerRollover);
??CrossCallReturnLabel_2:
        LCALL	?L_MOV_X
??macBackoffTimerSetTrigger_2:
        LJMP	?Subroutine2 & 0xFFFF
        CFI EndBlock cfiBlock8
//  330   }
//  331   HAL_EXIT_CRITICAL_SECTION(s);
//  332 }
//  333 
//  334 
//  335 /**************************************************************************************************
//  336  * @fn          macBackoffTimerCancelTrigger
//  337  *
//  338  * @brief       Cancels the trigger for the backoff counter.
//  339  *
//  340  * @param       none
//  341  *
//  342  * @return      none
//  343  **************************************************************************************************
//  344  */

        RSEG BANKED_CODE:CODE:NOROOT(0)
//  345 void macBackoffTimerCancelTrigger(void)
macBackoffTimerCancelTrigger:
        CFI Block cfiBlock9 Using cfiCommon0
        CFI Function macBackoffTimerCancelTrigger
//  346 {
        FUNCALL macBackoffTimerCancelTrigger, macMcuOverflowSetCompare
        LOCFRAME XSTACK, 12, STACK
        ARGFRAME XSTACK, 12, STACK
        MOV	A,#-0xc
        LCALL	?BANKED_ENTER_XDATA
        CFI DPH0 load(1, XDATA, add(CFA_XSP16, literal(-1)))
        CFI DPL0 load(1, XDATA, add(CFA_XSP16, literal(-2)))
        CFI ?BRET_EXT load(1, XDATA, add(CFA_XSP16, literal(-3)))
        CFI ?RET_HIGH load(1, XDATA, add(CFA_XSP16, literal(-4)))
        CFI ?RET_LOW load(1, XDATA, add(CFA_XSP16, literal(-5)))
        CFI R7 load(1, XDATA, add(CFA_XSP16, literal(-6)))
        CFI V3 load(1, XDATA, add(CFA_XSP16, literal(-7)))
        CFI V2 load(1, XDATA, add(CFA_XSP16, literal(-8)))
        CFI V1 load(1, XDATA, add(CFA_XSP16, literal(-9)))
        CFI V0 load(1, XDATA, add(CFA_XSP16, literal(-10)))
        CFI VB load(1, XDATA, add(CFA_XSP16, literal(-11)))
        CFI R6 load(1, XDATA, add(CFA_XSP16, literal(-12)))
        CFI CFA_SP SP+0
        CFI CFA_XSP16 add(XSP16, 12)
        ; Saved register size: 12
        ; Auto size: 0
//  347   halIntState_t  s;
//  348 
//  349   HAL_ENTER_CRITICAL_SECTION(s);
        MOV	C,0xa8.7
        CLR	A
        MOV	0xE0 /* A   */.0,C
        MOV	R6,A
        CLR	0xa8.7
//  350   compareState = COMPARE_STATE_ROLLOVER;
        LCALL	?Subroutine0 & 0xFFFF
//  351   MAC_RADIO_BACKOFF_SET_COMPARE(backoffTimerRollover);
??CrossCallReturnLabel_0:
        LCALL	?L_MOV_X
        MOV	R2,?V0 + 0
        MOV	R3,?V0 + 1
        MOV	R4,?V0 + 2
        MOV	R5,?V0 + 3
        MOV	DPTR,#(macMcuOverflowSetCompare & 0xffff)
        MOV	A,#((macMcuOverflowSetCompare >> 16) & 0xff)
        LCALL	?BCALL               ; Banked call to: DPTR()
//  352   HAL_EXIT_CRITICAL_SECTION(s);
        MOV	A,R6
        MOV	C,0xE0 /* A   */.0
        MOV	0xa8.7,C
        CFI EndBlock cfiBlock9
//  353 }
        REQUIRE ?Subroutine1
        ; // Fall through to label ?Subroutine1

        RSEG BANKED_CODE:CODE:NOROOT(0)
?Subroutine1:
        CFI Block cfiBlock10 Using cfiCommon0
        CFI NoFunction
        CFI CFA_SP SP+0
        CFI CFA_XSP16 add(XSP16, 12)
        CFI VB load(1, XDATA, add(CFA_XSP16, literal(-11)))
        CFI DPL0 load(1, XDATA, add(CFA_XSP16, literal(-2)))
        CFI DPH0 load(1, XDATA, add(CFA_XSP16, literal(-1)))
        CFI R6 load(1, XDATA, add(CFA_XSP16, literal(-12)))
        CFI R7 load(1, XDATA, add(CFA_XSP16, literal(-6)))
        CFI V0 load(1, XDATA, add(CFA_XSP16, literal(-10)))
        CFI V1 load(1, XDATA, add(CFA_XSP16, literal(-9)))
        CFI V2 load(1, XDATA, add(CFA_XSP16, literal(-8)))
        CFI V3 load(1, XDATA, add(CFA_XSP16, literal(-7)))
        CFI ?BRET_EXT load(1, XDATA, add(CFA_XSP16, literal(-3)))
        CFI ?RET_HIGH load(1, XDATA, add(CFA_XSP16, literal(-4)))
        CFI ?RET_LOW load(1, XDATA, add(CFA_XSP16, literal(-5)))
        MOV	R7,#0x4
        LJMP	?BANKED_LEAVE_XDATA
        CFI EndBlock cfiBlock10

        RSEG BANKED_CODE:CODE:NOROOT(0)
?Subroutine0:
        CFI Block cfiCond11 Using cfiCommon0
        CFI NoFunction
        CFI Conditional ??CrossCallReturnLabel_0
        CFI R6 load(1, XDATA, add(CFA_XSP16, literal(-12)))
        CFI VB load(1, XDATA, add(CFA_XSP16, literal(-11)))
        CFI V0 load(1, XDATA, add(CFA_XSP16, literal(-10)))
        CFI V1 load(1, XDATA, add(CFA_XSP16, literal(-9)))
        CFI V2 load(1, XDATA, add(CFA_XSP16, literal(-8)))
        CFI V3 load(1, XDATA, add(CFA_XSP16, literal(-7)))
        CFI R7 load(1, XDATA, add(CFA_XSP16, literal(-6)))
        CFI ?RET_LOW load(1, XDATA, add(CFA_XSP16, literal(-5)))
        CFI ?RET_HIGH load(1, XDATA, add(CFA_XSP16, literal(-4)))
        CFI ?BRET_EXT load(1, XDATA, add(CFA_XSP16, literal(-3)))
        CFI DPL0 load(1, XDATA, add(CFA_XSP16, literal(-2)))
        CFI DPH0 load(1, XDATA, add(CFA_XSP16, literal(-1)))
        CFI CFA_SP SP+0
        CFI CFA_XSP16 add(XSP16, 12)
        CFI Block cfiCond12 Using cfiCommon0
        CFI (cfiCond12) NoFunction
        CFI (cfiCond12) Conditional ??CrossCallReturnLabel_1
        CFI (cfiCond12) R6 load(1, XDATA, add(CFA_XSP16, literal(-12)))
        CFI (cfiCond12) VB load(1, XDATA, add(CFA_XSP16, literal(-11)))
        CFI (cfiCond12) V0 load(1, XDATA, add(CFA_XSP16, literal(-10)))
        CFI (cfiCond12) V1 load(1, XDATA, add(CFA_XSP16, literal(-9)))
        CFI (cfiCond12) V2 load(1, XDATA, add(CFA_XSP16, literal(-8)))
        CFI (cfiCond12) V3 load(1, XDATA, add(CFA_XSP16, literal(-7)))
        CFI (cfiCond12) R7 load(1, XDATA, add(CFA_XSP16, literal(-6)))
        CFI (cfiCond12) ?RET_LOW load(1, XDATA, add(CFA_XSP16, literal(-5)))
        CFI (cfiCond12) ?RET_HIGH load(1, XDATA, add(CFA_XSP16, literal(-4)))
        CFI (cfiCond12) ?BRET_EXT load(1, XDATA, add(CFA_XSP16, literal(-3)))
        CFI (cfiCond12) DPL0 load(1, XDATA, add(CFA_XSP16, literal(-2)))
        CFI (cfiCond12) DPH0 load(1, XDATA, add(CFA_XSP16, literal(-1)))
        CFI (cfiCond12) CFA_SP SP+0
        CFI (cfiCond12) CFA_XSP16 add(XSP16, 12)
        CFI Block cfiPicker13 Using cfiCommon1
        CFI (cfiPicker13) NoFunction
        CFI (cfiPicker13) Picker
        MOV	A,#0x1
        CFI Block cfiCond14 Using cfiCommon0
        CFI (cfiCond14) NoFunction
        CFI (cfiCond14) Conditional ??CrossCallReturnLabel_2
        CFI (cfiCond14) R6 load(1, XDATA, add(CFA_XSP16, literal(-16)))
        CFI (cfiCond14) VB load(1, XDATA, add(CFA_XSP16, literal(-15)))
        CFI (cfiCond14) V0 load(1, XDATA, add(CFA_XSP16, literal(-14)))
        CFI (cfiCond14) V1 load(1, XDATA, add(CFA_XSP16, literal(-13)))
        CFI (cfiCond14) V2 load(1, XDATA, add(CFA_XSP16, literal(-12)))
        CFI (cfiCond14) V3 load(1, XDATA, add(CFA_XSP16, literal(-11)))
        CFI (cfiCond14) V4 load(1, XDATA, add(CFA_XSP16, literal(-10)))
        CFI (cfiCond14) V5 load(1, XDATA, add(CFA_XSP16, literal(-9)))
        CFI (cfiCond14) V6 load(1, XDATA, add(CFA_XSP16, literal(-8)))
        CFI (cfiCond14) V7 load(1, XDATA, add(CFA_XSP16, literal(-7)))
        CFI (cfiCond14) R7 load(1, XDATA, add(CFA_XSP16, literal(-6)))
        CFI (cfiCond14) ?RET_LOW load(1, XDATA, add(CFA_XSP16, literal(-5)))
        CFI (cfiCond14) ?RET_HIGH load(1, XDATA, add(CFA_XSP16, literal(-4)))
        CFI (cfiCond14) ?BRET_EXT load(1, XDATA, add(CFA_XSP16, literal(-3)))
        CFI (cfiCond14) DPL0 load(1, XDATA, add(CFA_XSP16, literal(-2)))
        CFI (cfiCond14) DPH0 load(1, XDATA, add(CFA_XSP16, literal(-1)))
        CFI (cfiCond14) CFA_SP SP+0
        CFI (cfiCond14) CFA_XSP16 add(XSP16, 16)
??Subroutine0_0:
        MOV	DPTR,#??compareState
        MOVX	@DPTR,A
        ; Setup parameters for call to function macMcuOverflowSetCompare
        ; Setup parameters for call to function macMcuOverflowSetCompare
        ; Setup parameters for call to function macMcuOverflowSetCompare
        MOV	DPTR,#??backoffTimerRollover
        MOV	R0,#?V0 + 0
        RET
        CFI EndBlock cfiCond11
        CFI EndBlock cfiCond12
        CFI EndBlock cfiPicker13
        CFI EndBlock cfiCond14
//  354 
//  355 
//  356 /**************************************************************************************************
//  357  * @fn          macBackoffTimerRealign
//  358  *
//  359  * @brief       
//  360  *
//  361  *  Realignment is accomplished by adjusting the internal time base to align with the expected
//  362  *  reception time of an incoming frame.  The difference between the expected reception time and
//  363  *  the actual reception time is computed and this difference is used to adjust the hardware
//  364  *  timer count and backoff count.
//  365  *
//  366  *  The realignment is based on the SFD signal for the incoming frame.  The timer is aligned
//  367  *  by adjusting it with the difference between the expected SFD time and the actual SFD time.
//  368  *
//  369  * @param       none
//  370  *
//  371  * @return      none
//  372  **************************************************************************************************
//  373  */

        RSEG BANKED_CODE:CODE:NOROOT(0)
//  374 int32 macBackoffTimerRealign(macRx_t *pMsg)
macBackoffTimerRealign:
        CFI Block cfiBlock15 Using cfiCommon0
        CFI Function macBackoffTimerRealign
//  375 {
        FUNCALL macBackoffTimerRealign, macCspForceTxDoneIfPending
        LOCFRAME XSTACK, 20, STACK
        ARGFRAME XSTACK, 20, STACK
        FUNCALL macBackoffTimerRealign, halAssertHandler
        LOCFRAME XSTACK, 20, STACK
        ARGFRAME XSTACK, 20, STACK
        FUNCALL macBackoffTimerRealign, macMcuOverflowCount
        LOCFRAME XSTACK, 20, STACK