Keyboard firmwares for Atmel AVR and Cortex-M
You can not select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.

matrix.h 1.4KB

13 jaren geleden
13 jaren geleden
13 jaren geleden
13 jaren geleden
13 jaren geleden
13 jaren geleden
13 jaren geleden
12345678910111213141516171819202122232425262728293031323334353637383940414243444546474849
  1. /*
  2. Copyright 2011 Jun Wako <[email protected]>
  3. This program is free software: you can redistribute it and/or modify
  4. it under the terms of the GNU General Public License as published by
  5. the Free Software Foundation, either version 2 of the License, or
  6. (at your option) any later version.
  7. This program is distributed in the hope that it will be useful,
  8. but WITHOUT ANY WARRANTY; without even the implied warranty of
  9. MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  10. GNU General Public License for more details.
  11. You should have received a copy of the GNU General Public License
  12. along with this program. If not, see <http://www.gnu.org/licenses/>.
  13. */
  14. #ifndef MATRIX_H
  15. #define MATRIX_H
  16. #include <stdbool.h>
  17. /* number of matrix rows */
  18. uint8_t matrix_rows(void);
  19. /* number of matrix columns */
  20. uint8_t matrix_cols(void);
  21. /* intialize matrix for scaning. should be called once. */
  22. void matrix_init(void);
  23. /* scan all key states on matrix */
  24. uint8_t matrix_scan(void);
  25. /* whether modified from previous scan. used after matrix_scan. */
  26. bool matrix_is_modified(void);
  27. /* whether ghosting occur on matrix. */
  28. bool matrix_has_ghost(void);
  29. /* whether a swtich is on */
  30. bool matrix_is_on(uint8_t row, uint8_t col);
  31. /* matrix state on row */
  32. #if (MATRIX_COLS <= 8)
  33. uint8_t matrix_get_row(uint8_t row);
  34. #else
  35. uint16_t matrix_get_row(uint8_t row);
  36. #endif
  37. /* count keys pressed */
  38. uint8_t matrix_key_count(void);
  39. /* print matrix for debug */
  40. void matrix_print(void);
  41. #endif