led.c 1.2 KB

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  1. /*
  2. * Copyright 2017 skully <skullydazed@gmail.com>
  3. *
  4. * This program is free software: you can redistribute it and/or modify
  5. * it under the terms of the GNU General Public License as published by
  6. * the Free Software Foundation, either version 2 of the License, or
  7. * (at your option) any later version.
  8. *
  9. * This program is distributed in the hope that it will be useful,
  10. * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11. * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  12. * GNU General Public License for more details.
  13. *
  14. * You should have received a copy of the GNU General Public License
  15. * along with this program. If not, see <http://www.gnu.org/licenses/>.
  16. */
  17. #include <hal.h>
  18. #include "print.h"
  19. #ifdef BACKLIGHT_ENABLE
  20. #include "backlight.h"
  21. void backlight_init_ports(void) {
  22. printf("backlight_init_ports()\n");
  23. palSetPadMode(GPIOB, 8, PAL_MODE_OUTPUT_PUSHPULL);
  24. palSetPad(GPIOB, 8);
  25. }
  26. void backlight_set(uint8_t level) {
  27. printf("backlight_set(%d)\n", level);
  28. if (level == 0) {
  29. // Turn backlight off
  30. palSetPad(GPIOB, 8);
  31. } else {
  32. // Turn backlight on
  33. palClearPad(GPIOB, 8);
  34. }
  35. }
  36. #endif