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