bootmagic_better.c 1.9 KB

1234567891011121314151617181920212223242526272829303132333435363738394041424344454647484950515253545556
  1. // Copyright 2020 Christopher Courtney, aka Drashna Jael're (@drashna) <drashna@live.com>
  2. // SPDX-License-Identifier: GPL-2.0-or-later
  3. #include "drashna.h"
  4. #include "bootmagic_lite.h"
  5. void bootmagic_lite(void) {
  6. bool perform_reset = false;
  7. // We need multiple scans because debouncing can't be turned off.
  8. matrix_scan();
  9. #if defined(DEBOUNCE) && DEBOUNCE > 0
  10. wait_ms(DEBOUNCE * 2);
  11. #else
  12. wait_ms(30);
  13. #endif
  14. matrix_scan();
  15. // If the configured key (commonly Esc) is held down on power up,
  16. // reset the EEPROM valid state and jump to bootloader.
  17. // This isn't very generalized, but we need something that doesn't
  18. // rely on user's keymaps in firmware or EEPROM.
  19. uint8_t row = BOOTMAGIC_LITE_ROW, col = BOOTMAGIC_LITE_COLUMN;
  20. #if defined(BOOTMAGIC_LITE_EEPROM_ROW) && defined(BOOTMAGIC_LITE_EEPROM_COLUMN)
  21. uint8_t row_e = BOOTMAGIC_LITE_EEPROM_ROW, col_e = BOOTMAGIC_LITE_EEPROM_COLUMN;
  22. #endif
  23. #if defined(SPLIT_KEYBOARD) && defined(BOOTMAGIC_LITE_ROW_RIGHT) && defined(BOOTMAGIC_LITE_COLUMN_RIGHT)
  24. if (!is_keyboard_left()) {
  25. row = BOOTMAGIC_LITE_ROW_RIGHT;
  26. col = BOOTMAGIC_LITE_COLUMN_RIGHT;
  27. #if defined(BOOTMAGIC_LITE_EEPROM_ROW) && defined(BOOTMAGIC_LITE_EEPROM_COLUMN) && defined(BOOTMAGIC_LITE_EEPROM_ROW_RIGHT) && defined(BOOTMAGIC_LITE_EEPROM_COLUMN_RIGHT)
  28. row_e = BOOTMAGIC_LITE_EEPROM_ROW_RIGHT;
  29. col_e = BOOTMAGIC_LITE_EEPROM_COLUMN_RIGHT;
  30. # endif
  31. }
  32. #endif
  33. #if defined(BOOTMAGIC_LITE_EEPROM_ROW) && defined(BOOTMAGIC_LITE_EEPROM_COLUMN)
  34. if (matrix_get_row(row_e) & (1 << col_e)) {
  35. eeconfig_disable();
  36. perform_reset = true;
  37. }
  38. #endif
  39. if (matrix_get_row(row) & (1 << col)) {
  40. perform_reset = true;
  41. }
  42. #if defined(STM32F411xE) && !defined(CONVERTER_ENABLED)
  43. if (!readPin(A0)) {
  44. perform_reset = true;
  45. }
  46. #endif
  47. if (perform_reset) {
  48. bootloader_jump();
  49. }
  50. }