qmk_firmware/keyboards/baguette/baguette.c

/* Copyright 2018 Yiancar
 *
 * 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 2 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 "baguette.h"

#ifndef DEBOUNCE
#    define DEBOUNCE 5
#endif

void bootmagic_lite(void)
{
	// The lite version of TMK's bootmagic made by Wilba.
	// 100% less potential for accidentally making the
	// keyboard do stupid things.

	// We need multiple scans because debouncing can't be turned off.
	matrix_scan();
	wait_ms(DEBOUNCE);
	matrix_scan();

	// If the Esc and space bar are held down on power up,
	// reset the EEPROM valid state and jump to bootloader.
	// Assumes Esc is at [0,0] and spacebar is at [4,7].
	// This isn't very generalized, but we need something that doesn't
	// rely on user's keymaps in firmware or EEPROM.
	if ( ( matrix_get_row(0) & (1<<0) ) &&
		( matrix_get_row(4) & (1<<7) ) )
	{
		// Set the TMK/QMK EEPROM state as invalid.
		eeconfig_disable();
		//eeprom_set_valid(false);
		// Jump to bootloader.
		bootloader_jump();
	}
}

void matrix_init_kb(void) {
	// put your keyboard start-up code here
	// runs once when the firmware starts up
	bootmagic_lite();

	matrix_init_user();
}