forked from mirrors/qmk_firmware
79 lines
2.4 KiB
C
79 lines
2.4 KiB
C
/* 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();
|
|
}
|