-/* An AltOS task */
-struct ao_task {
- __xdata void *wchan; /* current wait channel (NULL if running) */
- uint16_t alarm; /* abort ao_sleep time */
- ao_arch_task_members /* any architecture-specific fields */
- uint8_t task_id; /* unique id */
- __code char *name; /* task name */
- uint8_t stack[AO_STACK_SIZE]; /* saved stack */
-};
-
-extern __xdata struct ao_task *__data ao_cur_task;
-
-#define AO_NUM_TASKS 16 /* maximum number of tasks */
-#define AO_NO_TASK 0 /* no task id */
-
-/*
- ao_task.c
- */
-
-/* Suspend the current task until wchan is awoken.
- * returns:
- * 0 on normal wake
- * 1 on alarm
- */
-uint8_t
-ao_sleep(__xdata void *wchan);
-
-/* Wake all tasks sleeping on wchan */
-void
-ao_wakeup(__xdata void *wchan);
-
-/* set an alarm to go off in 'delay' ticks */
-void
-ao_alarm(uint16_t delay);
-
-/* Clear any pending alarm */
-void
-ao_clear_alarm(void);
-
-/* Yield the processor to another task */
-void
-ao_yield(void) ao_arch_naked_declare;
-
-/* Add a task to the run queue */
-void
-ao_add_task(__xdata struct ao_task * task, void (*start)(void), __code char *name) __reentrant;