sched: Don't count milliseconds in the periodic timer

It's not necessary to keep a millisecond counter.  Replace the two
users of sched_check_periodic() with explicit task wakeup flags.

Signed-off-by: Kevin O'Connor <kevin@koconnor.net>

1 files changed, 7 insertions, 1 deletions

diff --git a/src/sched.h b/src/sched.h
index ad5c2c08..bb6bb975 100644
--- a/src/sched.h
+++ b/src/sched.h
@@ -20,11 +20,17 @@ struct timer {
 
 enum { SF_DONE=0, SF_RESCHEDULE=1 };
 
+// Task waking struct
+struct task_wake {
+    uint8_t wake;
+};
+
 // sched.c
-uint8_t sched_check_periodic(uint16_t time, uint16_t *pnext);
 void sched_add_timer(struct timer*);
 void sched_del_timer(struct timer *del);
 unsigned int sched_timer_dispatch(void);
+void sched_wake_task(struct task_wake *w);
+uint8_t sched_check_wake(struct task_wake *w);
 uint8_t sched_is_shutdown(void);
 void sched_clear_shutdown(void);
 void sched_try_shutdown(uint_fast8_t reason);