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Update port layers to make better use of the xTaskIncrementTick() return value.

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This commit is contained in:
Richard Barry 2013-06-08 18:36:25 +00:00
parent c75c01ffdf
commit 62c0ae0926
9 changed files with 124 additions and 102 deletions
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6
FreeRTOS/Source/portable/RVDS/ARM7_LPC21xx/portASM.s
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@ -130,11 +130,13 @@ vPreemptiveTick
LDR R0, =xTaskIncrementTick ; Increment the tick count.
MOV LR, PC ; This may make a delayed task ready
BX R0 ; to run.
CMP R0, #0
BEQ SkipContextSwitch
LDR R0, =vTaskSwitchContext ; Find the highest priority task that
MOV LR, PC ; is ready to run.
BX R0
SkipContextSwitch
MOV R0, #T0MATCHBIT ; Clear the timer event
LDR R1, =T0IR
STR R0, [R1]