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| author | Kevin O'Connor <kevin@koconnor.net> | 2017-03-28 11:25:11 -0400 |
|---|---|---|
| committer | Kevin O'Connor <kevin@koconnor.net> | 2017-03-30 11:25:23 -0400 |
| commit | eb4eeb6f7313cbae93f7f996de283e9c28cb16ff (patch) | |
| tree | d4e0ee02774ce4045237a9f2194d07ade47f8006 /src/sam3x8e/timer.c | |
| parent | 69885079986c94f3a8e93fb29243976fe89af834 (diff) | |
| download | kutter-eb4eeb6f7313cbae93f7f996de283e9c28cb16ff.tar.gz kutter-eb4eeb6f7313cbae93f7f996de283e9c28cb16ff.tar.xz kutter-eb4eeb6f7313cbae93f7f996de283e9c28cb16ff.zip | |
timer_irq: Integrate timer_try_set_next() into timer_dispatch_many()
Signed-off-by: Kevin O'Connor <kevin@koconnor.net>
Diffstat (limited to 'src/sam3x8e/timer.c')
| -rw-r--r-- | src/sam3x8e/timer.c | 26 |
1 files changed, 14 insertions, 12 deletions
diff --git a/src/sam3x8e/timer.c b/src/sam3x8e/timer.c index d156588a..8548400a 100644 --- a/src/sam3x8e/timer.c +++ b/src/sam3x8e/timer.c @@ -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(); +} |