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timer_irq: Integrate timer_try_set_next() into timer_dispatch_many()

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Signed-off-by: Kevin O'Connor <kevin@koconnor.net>
This commit is contained in:
Kevin O'Connor
2017-03-28 11:25:11 -04:00
parent 6988507998
commit eb4eeb6f73
3 changed files with 40 additions and 57 deletions
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26
src/sam3x8e/timer.c
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@@ -11,19 +11,8 @@
#include "sam3x8e.h" // TC0
#include "sched.h" // sched_timer_kick
// IRQ handler
void __visible
TC0_Handler(void)
{
irq_disable();
uint32_t status = TC0->TC_CHANNEL[0].TC_SR; // read to clear irq pending
if (likely(status & TC_SR_CPAS))
timer_dispatch_many();
irq_enable();
}
// Set the next irq time
void
static void
timer_set(uint32_t value)
{
TC0->TC_CHANNEL[0].TC_RA = value;
@@ -63,3 +52,16 @@ timer_shutdown(void)
TC0->TC_CHANNEL[0].TC_SR; // read to clear irq pending
}
DECL_SHUTDOWN(timer_shutdown);
// IRQ handler
void __visible
TC0_Handler(void)
{
irq_disable();
uint32_t status = TC0->TC_CHANNEL[0].TC_SR; // read to clear irq pending
if (likely(status & TC_SR_CPAS)) {
uint32_t next = timer_dispatch_many();
timer_set(next);
}
irq_enable();
}