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Added: /* This is called from the context switch, so will be called from a

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critical section.  xTaskGetTickCountFromISR() contains its own critical
	section, and the ISR safe critical sections are not designed to nest,
	so reset the critical section. */
	portSET_INTERRUPT_MASK_FROM_ISR();

in main.c.
This commit is contained in:
Richard Barry 2011-11-13 21:13:26 +00:00
parent 188128f788
commit b8c1195c40
1 changed files with 6 additions and 0 deletions
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6
Demo/CORTEX_Kinetis_K60_Tower_IAR/main-full.c
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@ -625,6 +625,12 @@ const unsigned long ulSysTickPendingBit = 0x04000000UL;
/* How many times has it overflowed? */ /* How many times has it overflowed? */
ulTickCount = xTaskGetTickCountFromISR(); ulTickCount = xTaskGetTickCountFromISR();
/* This is called from the context switch, so will be called from a
critical section. xTaskGetTickCountFromISR() contains its own critical
section, and the ISR safe critical sections are not designed to nest,
so reset the critical section. */
portSET_INTERRUPT_MASK_FROM_ISR();
/* Is there a SysTick interrupt pending? */ /* Is there a SysTick interrupt pending? */
if( ( *pulInterruptCTRLState & ulSysTickPendingBit ) != 0UL ) if( ( *pulInterruptCTRLState & ulSysTickPendingBit ) != 0UL )
{ {