diff options
author | Jakob Odersky <jodersky@gmail.com> | 2014-03-17 16:50:15 +0100 |
---|---|---|
committer | Jakob Odersky <jodersky@gmail.com> | 2014-03-17 16:53:46 +0100 |
commit | 2500120f64db83fc682f38a83f7f9e03ed8a5123 (patch) | |
tree | 4b9c2086c9d5dde0a89b4968db05e3b52aaa1e65 /kernel/task/sched.c | |
parent | 01c10b2eadbcd09b6ac34ab80cac1b65c302152e (diff) | |
download | mux-2500120f64db83fc682f38a83f7f9e03ed8a5123.tar.gz mux-2500120f64db83fc682f38a83f7f9e03ed8a5123.tar.bz2 mux-2500120f64db83fc682f38a83f7f9e03ed8a5123.zip |
add spin-locks
Diffstat (limited to 'kernel/task/sched.c')
-rw-r--r-- | kernel/task/sched.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/kernel/task/sched.c b/kernel/task/sched.c index 652d562..ceaf9bb 100644 --- a/kernel/task/sched.c +++ b/kernel/task/sched.c @@ -35,7 +35,17 @@ void sched_init() { ret(); } + +#include <avr/io.h> +void toggle_led() { + DDRB |= (1 << 7); + PORTB ^= (1 << 7); +} + + + void schedule() { + toggle_led(); if(!list_empty(&ready)) { current = list_entry(ready.next, struct tcb_t, queue); list_move_tail(ready.next, &ready); |