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qmk_firmware

custom branch of QMK firmware git clone https://anongit.hacktivis.me/git/qmk_firmware.git

bootmagic.c (2407B)

    

  1. /* Copyright 2021 QMK
  2.  *
  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 3 of the License, or
  6.  * (at your option) any later version.
  7.  *
  8.  * This program is distributed in the hope that it will be useful,
  9.  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  10.  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  11.  * GNU General Public License for more details.
  12.  *
  13.  * You should have received a copy of the GNU General Public License
  14.  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  15.  */
  16. #include "bootmagic.h"
  17. #include "matrix.h"
  18. #include "keyboard.h"
  19. #include "wait.h"
  20. #include "eeconfig.h"
  21. #include "bootloader.h"
  23. #ifndef BOOTMAGIC_DEBOUNCE
  24. #    if defined(DEBOUNCE) && DEBOUNCE > 0
  25. #        define BOOTMAGIC_DEBOUNCE (DEBOUNCE * 2)
  26. #    else
  27. #        define BOOTMAGIC_DEBOUNCE 30
  28. #    endif
  29. #endif
  31. /** \brief Reset eeprom
  32.  *
  33.  * ...just incase someone wants to only change the eeprom behaviour
  34.  */
  35. __attribute__((weak)) void bootmagic_reset_eeprom(void) {
  36.     eeconfig_disable();
  37. }
  39. /** \brief Decide reboot based on current matrix state
  40.  */
  41. __attribute__((weak)) bool bootmagic_should_reset(void) {
  42.     // If the configured key (commonly Esc) is held down on power up,
  43.     // reset the EEPROM valid state and jump to bootloader.
  44.     // This isn't very generalized, but we need something that doesn't
  45.     // rely on user's keymaps in firmware or EEPROM.
  46.     uint8_t row = BOOTMAGIC_ROW;
  47.     uint8_t col = BOOTMAGIC_COLUMN;
  49. #if defined(SPLIT_KEYBOARD) && defined(BOOTMAGIC_ROW_RIGHT) && defined(BOOTMAGIC_COLUMN_RIGHT)
  50.     if (!is_keyboard_left()) {
  51.         row = BOOTMAGIC_ROW_RIGHT;
  52.         col = BOOTMAGIC_COLUMN_RIGHT;
  53.     }
  54. #endif
  56.     return matrix_get_row(row) & (1 << col);
  57. }
  59. /** \brief The abridged version of TMK's bootmagic based on Wilba.
  60.  *
  61.  *  100% less potential for accidentally making the keyboard do stupid things.
  62.  */
  63. __attribute__((weak)) void bootmagic_scan(void) {
  64.     // We need multiple scans because debouncing can't be turned off.
  65.     matrix_scan();
  66.     wait_ms(BOOTMAGIC_DEBOUNCE);
  67.     matrix_scan();
  69.     if (bootmagic_should_reset()) {
  70.         bootmagic_reset_eeprom();
  72.         // Jump to bootloader.
  73.         bootloader_jump();
  74.     }
  75. }
  77. void bootmagic(void) {
  78.     bootmagic_scan();
  79. }