Make vTaskEnterCritical callable from ISR

This commit is contained in:
Jeroen Domburg 2016-09-05 11:46:08 +08:00 committed by Ivan Grokhotkov
parent be4dfed822
commit 08ec33c6a2

View file

@ -163,6 +163,7 @@ typedef struct tskTaskControlBlock
#if ( portCRITICAL_NESTING_IN_TCB == 1 )
UBaseType_t uxCriticalNesting; /*< Holds the critical section nesting depth for ports that do not maintain their own count in the port layer. */
uint32_t uxOldInterruptState; /*< Interrupt state before the outer taskEnterCritical was called */
#endif
#if ( configUSE_TRACE_FACILITY == 1 )
@ -2595,8 +2596,7 @@ BaseType_t xReturn;
/* THIS FUNCTION MUST BE CALLED FROM A CRITICAL SECTION. It can also be
called from a critical section within an ISR. */
//That makes the taskENTER_CRITICALs here unnecessary, right? -JD
// taskENTER_CRITICAL(&xTaskQueueMutex);
taskENTER_CRITICAL_ISR(&xTaskQueueMutex);
/* The event list is sorted in priority order, so the first in the list can
be removed as it is known to be the highest priority. Remove the TCB from
the delayed list, and add it to the ready list.
@ -2654,7 +2654,7 @@ BaseType_t xReturn;
prvResetNextTaskUnblockTime();
}
#endif
// taskEXIT_CRITICAL(&xTaskQueueMutex);
taskEXIT_CRITICAL_ISR(&xTaskQueueMutex);
return xReturn;
}
@ -3761,7 +3761,7 @@ scheduler will re-enable the interrupts instead. */
void vTaskEnterCritical( portMUX_TYPE *mux )
#endif
{
portDISABLE_INTERRUPTS();
portENTER_CRITICAL_NESTED(uxOldInterruptState);
#ifdef CONFIG_FREERTOS_PORTMUX_DEBUG
vPortCPUAcquireMutex( mux, function, line );
#else
@ -3814,7 +3814,7 @@ scheduler will re-enable the interrupts instead. */
if( pxCurrentTCB[ xPortGetCoreID() ]->uxCriticalNesting == 0U )
{
portENABLE_INTERRUPTS();
portEXIT_CRITICAL_NESTED(uxOldInterruptState);
}
else
{