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/* Copyright 2021 QMK
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include "bootmagic.h"
#include "matrix.h"
#include "keyboard.h"
#include "wait.h"
#include "eeconfig.h"
#include "bootloader.h"
#ifndef BOOTMAGIC_DEBOUNCE
# if defined(DEBOUNCE) && DEBOUNCE > 0
# define BOOTMAGIC_DEBOUNCE (DEBOUNCE * 2)
# else
# define BOOTMAGIC_DEBOUNCE 30
# endif
#endif
/** \brief Reset eeprom
*
* ...just incase someone wants to only change the eeprom behaviour
*/
__attribute__((weak)) void bootmagic_reset_eeprom(void) {
eeconfig_disable();
}
/** \brief Decide reboot based on current matrix state
*/
__attribute__((weak)) bool bootmagic_should_reset(void) {
// If the configured key (commonly Esc) is held down on power up,
// reset the EEPROM valid state and jump to bootloader.
// This isn't very generalized, but we need something that doesn't
// rely on user's keymaps in firmware or EEPROM.
uint8_t row = BOOTMAGIC_ROW;
uint8_t col = BOOTMAGIC_COLUMN;
#if defined(SPLIT_KEYBOARD) && defined(BOOTMAGIC_ROW_RIGHT) && defined(BOOTMAGIC_COLUMN_RIGHT)
if (!is_keyboard_left()) {
row = BOOTMAGIC_ROW_RIGHT;
col = BOOTMAGIC_COLUMN_RIGHT;
}
#endif
return matrix_get_row(row) & (1 << col);
}
/** \brief The abridged version of TMK's bootmagic based on Wilba.
*
* 100% less potential for accidentally making the keyboard do stupid things.
*/
__attribute__((weak)) void bootmagic_scan(void) {
// We need multiple scans because debouncing can't be turned off.
matrix_scan();
wait_ms(BOOTMAGIC_DEBOUNCE);
matrix_scan();
if (bootmagic_should_reset()) {
bootmagic_reset_eeprom();
// Jump to bootloader.
bootloader_jump();
}
}
void bootmagic(void) {
bootmagic_scan();
}
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