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dm36x: Ack the timer interrupt before we get the chance to be scheduled out.

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Kelvin Lawson
2013-09-17 22:38:32 +01:00
parent ecffe72257
commit 4e6e30dcb3
1 changed files with 2 additions and 5 deletions
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7
ports/arm/platforms/dm36x/atomport-private.c
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@@ -176,9 +176,8 @@ __interrupt_dispatcher (void)
/* TIMER0:12 tick interrupt (call Atomthreads timer tick ISR) */
if (vector == DM36X_INTC_VEC_TINT0)
{
/* Reload timer and enable interupts */
TIMER0_REG(DM36X_TIMER_PRD12) = (TIMER_CLK / SYSTEM_TICKS_PER_SEC) - 1; /* Set period to 100 ticks per second (PRD12) */
TIMER0_REG(DM36X_TIMER_INTCTL_STAT) |= (1 << 1) | (1 << 0); /* Enable/ack Compare/Match interrupt for Timer 1:2 */
/* Ack the interrupt immediately, could get scheduled out below */
INTC_REG(((vector >= 32) ? DM36X_INTC_IRQ1 : DM36X_INTC_IRQ0)) = (1 << ((vector >= 32) ? (vector - 32) : vector));
/*
* Let the Atomthreads kernel know we're about to enter an OS-aware
@@ -198,8 +197,6 @@ __interrupt_dispatcher (void)
uart_write_halt ("Unexpected IRQ vector\n");
}
/* Ack the interrupt */
INTC_REG(((vector >= 32) ? DM36X_INTC_IRQ1 : DM36X_INTC_IRQ0)) = (1 << ((vector >= 32) ? (vector - 32) : vector));
}
}