-AltOS - 8051 operating system for Altus-Metrum projects
+ AltOS - 8051 operating system for Altus-Metrum projects
+
+Copyright and License
+
+ Copyright © 2009 Keith Packard <keithp@keithp.com>
+
+ This program is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; version 2 of the License.
+
+ This program is distributed in the hope that it will be useful, but
+ WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ General Public License for more details.
+
+ You should have received a copy of the GNU General Public License along
+ with this program; if not, write to the Free Software Foundation, Inc.,
+ 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
Parameters:
API:
- int ao_sleep(void *wchan)
+ void ao_sleep(void *wchan)
Puts current task to sleep. Will wake up when wchan is signalled
- int ao_wakeup(void *wchan)
+ void ao_wakeup(void *wchan)
Wakeup all tasks sleeping on wchan
- void ao_add_task(struct ao_task *task)
+ void ao_add_task(struct ao_task *task, void (*start)(void))
Adds a task to the queue of available tasks
Invokes the scheduler, starting the operating system
- void ao_switch(void)
+ void ao_yield(void)
Switches to another task which is ready to run. Allows
tasks which want to run for a while to give up the CPU
without needing to sleep
+
+ void ao_panic(uint8_t reason)
+
+ Any fatal error should call this function, which can
+ display the error code in some cryptic fashion.