/* Cortex-M0 core of LPC4337 uses RIT Timer for periodic IRQ */
void RIT_IRQHandler(void)
{
if(Chip_RIT_GetIntStatus(LPC_RITIMER) == SET)
{
/* Store the calling context in a variable. */
ContextType actualContext = GetCallingContext();
/* Set ISR2 context. */
SetActualContext(CONTEXT_ISR2);
#if (ALARMS_COUNT != 0)
/* Counter increment. */
static CounterIncrementType CounterIncrement = 1; /* TODO remove me. */
(void)CounterIncrement; /* This avoids a compiler warning because the variable is not being used. */
/*
* Enter critical section.
* */
IntSecure_Start();
/*
* The the RTOS counter increment handler.
* */
CounterIncrement = IncrementCounter(0, 1 /* CounterIncrement */); /* TODO FIXME */
/*
* Exit the critical section.
* */
IntSecure_End();
#endif /* #if (ALARMS_COUNT != 0) */
/* reset context */
SetActualContext(actualContext);
#if (NON_PREEMPTIVE == OSEK_DISABLE)
/*
* Check if the currently active task is preemptive;
* if it is, call schedule().
* */
if ( ( CONTEXT_TASK == actualContext ) &&
( TasksConst[GetRunningTask()].ConstFlags.Preemtive ) )
{
/* This shall force a call to the scheduler. */
PostIsr2_Arch(isr);
}
#endif /* #if (NON_PREEMPTIVE == OSEK_DISABLE) */
Chip_RIT_ClearInt(LPC_RITIMER);
NVIC_ClearPendingIRQ(RITIMER_IRQn);
}
}
/* Periodic Interrupt Timer, included in all Cortex-M4 processors */
void SysTick_Handler(void)
{
/* store the calling context in a variable */
ContextType actualContext = GetCallingContext();
/* set isr 2 context */
SetActualContext(CONTEXT_ISR2);
#if (ALARMS_COUNT != 0)
/* counter increment */
static CounterIncrementType CounterIncrement = 1;
(void)CounterIncrement; /* TODO remove me */
/* increment the disable interrupt conter to avoid enable the interrupts */
IntSecure_Start();
/* call counter interrupt handler */
CounterIncrement = IncrementCounter(0, 1 /* CounterIncrement */); /* TODO FIXME */
/* set the disable interrupt counter back */
IntSecure_End();
#endif /* #if (ALARMS_COUNT != 0) */
/* reset context */
SetActualContext(actualContext);
#if (NON_PREEMPTIVE == OSEK_DISABLE)
/* check if the actual task is preemptive */
if ( ( CONTEXT_TASK == actualContext ) &&
( TasksConst[GetRunningTask()].ConstFlags.Preemtive ) )
{
/* indicate that the scheduler will be called from isr2 */
// OSEK_ISR2_SchedulerCall = 1;
OSEK_ISR2_SchedulerCall++;
/* this shall force a call to the scheduler */
PostIsr2_Arch(isr);
}
#endif /* #if (NON_PREEMPTIVE == OSEK_DISABLE) */
}
/*==================[external functions definition]==========================*/
void OSEK_ISR2_ISRtec(void)
{
/* store the calling context in a variable */
ContextType actualContext = GetCallingContext();
/* set isr 2 context */
SetActualContext(CONTEXT_ISR2);
/* trigger isr 2 */
OSEK_ISR_ISRtec();
/* reset context */
SetActualContext(actualContext);
#if (NON_PREEMPTIVE == OSEK_DISABLE)
/* check if the actual task is preemptive */
if ( ( CONTEXT_TASK == actualContext ) &&
( TasksConst[GetRunningTask()].ConstFlags.Preemtive ) )
{
/* this shall force a call to the scheduler */
PostIsr2_Arch(isr);
}
#endif /* #if (NON_PREEMPTIVE == OSEK_ENABLE) */
}
