diff options
| author | Bdale Garbee <bdale@gag.com> | 2012-08-28 23:39:53 -0600 |
|---|---|---|
| committer | Bdale Garbee <bdale@gag.com> | 2012-08-28 23:39:53 -0600 |
| commit | 5ed88fb72c3e3ecf3333c700d838667db71cfbdc (patch) | |
| tree | 3b371f563c0f7607f2fe53242673adb352b48514 /src/core/ao_task.c | |
| parent | adbe64c5a9402b7c5075a444a12629131b663877 (diff) | |
| parent | 621d0930244f25165d2ac5da596dcc87e253b965 (diff) | |
Merge branch 'master' of ssh://git.gag.com/scm/git/fw/altos
Conflicts:
debian/control
Diffstat (limited to 'src/core/ao_task.c')
| -rw-r--r-- | src/core/ao_task.c | 29 |
1 files changed, 13 insertions, 16 deletions
diff --git a/src/core/ao_task.c b/src/core/ao_task.c index 4011a36e..4593bd79 100644 --- a/src/core/ao_task.c +++ b/src/core/ao_task.c @@ -82,39 +82,36 @@ ao_yield(void) ao_arch_naked_define ao_arch_isr_stack(); -#if CHECK_STACK +#if AO_CHECK_STACK in_yield = 1; #endif /* Find a task to run. If there isn't any runnable task, * this loop will run forever, which is just fine */ { - __pdata uint8_t ao_next_task_index = ao_cur_task_index; + __pdata uint8_t ao_last_task_index = ao_cur_task_index; for (;;) { - ++ao_next_task_index; - if (ao_next_task_index == ao_num_tasks) - ao_next_task_index = 0; + ++ao_cur_task_index; + if (ao_cur_task_index == ao_num_tasks) + ao_cur_task_index = 0; + + ao_cur_task = ao_tasks[ao_cur_task_index]; - ao_cur_task = ao_tasks[ao_next_task_index]; - if (ao_cur_task->wchan == NULL) { - ao_cur_task_index = ao_next_task_index; + /* Check for ready task */ + if (ao_cur_task->wchan == NULL) break; - } /* Check if the alarm is set for a time which has passed */ if (ao_cur_task->alarm && - (int16_t) (ao_time() - ao_cur_task->alarm) >= 0) { - ao_cur_task_index = ao_next_task_index; + (int16_t) (ao_time() - ao_cur_task->alarm) >= 0) break; - } /* Enter lower power mode when there isn't anything to do */ - if (ao_next_task_index == ao_cur_task_index) { + if (ao_cur_task_index == ao_last_task_index) ao_arch_cpu_idle(); - } } } -#if CHECK_STACK +#if AO_CHECK_STACK cli(); in_yield = 0; #endif @@ -177,7 +174,7 @@ ao_exit(void) void ao_task_info(void) { - uint8_t i; + uint8_t i; __xdata struct ao_task *task; for (i = 0; i < ao_num_tasks; i++) { |