timer.h 1.1 KB

12345678910111213141516171819202122232425262728293031323334353637
  1. /*
  2. * timer.h
  3. *
  4. * Copyright (C) 2013 Aleksandar Andrejevic <theflash@sdf.lonestar.org>
  5. *
  6. * This program is free software: you can redistribute it and/or modify
  7. * it under the terms of the GNU Affero General Public License as
  8. * published by the Free Software Foundation, either version 3 of the
  9. * License, or (at your option) any later version.
  10. *
  11. * This program is distributed in the hope that it will be useful,
  12. * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13. * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  14. * GNU Affero General Public License for more details.
  15. *
  16. * You should have received a copy of the GNU Affero General Public License
  17. * along with this program. If not, see <http://www.gnu.org/licenses/>.
  18. */
  19. #ifndef _TIMER_H_
  20. #define _TIMER_H_
  21. #include <sdk/timer.h>
  22. #include <irq.h>
  23. #define TIMER_IRQ 0
  24. #define TIMER_CHANNEL_PORT(x) (0x40 + (x))
  25. #define TIMER_CMD_PORT 0x43
  26. #define TIMER_FREQUENCY 1000
  27. #define TIMER_BASE_FREQUENCY 1193182
  28. #define TIMER_RATE_GENERATOR(x) (((x) << 6) | 0x34)
  29. #define TIMER_SQUARE_WAVE(x) (((x) << 6) | 0x36)
  30. void timer_init(void);
  31. #endif