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- // Copyright 2020 Christopher Courtney, aka Drashna Jael're (@drashna) <drashna@live.com>
- // SPDX-License-Identifier: GPL-2.0-or-later
- #include "drashna.h"
- #include "bootmagic_lite.h"
- void bootmagic_lite(void) {
- bool perform_reset = false;
- // We need multiple scans because debouncing can't be turned off.
- matrix_scan();
- #if defined(DEBOUNCE) && DEBOUNCE > 0
- wait_ms(DEBOUNCE * 2);
- #else
- wait_ms(30);
- #endif
- matrix_scan();
- // 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_LITE_ROW, col = BOOTMAGIC_LITE_COLUMN;
- #if defined(BOOTMAGIC_LITE_EEPROM_ROW) && defined(BOOTMAGIC_LITE_EEPROM_COLUMN)
- uint8_t row_e = BOOTMAGIC_LITE_EEPROM_ROW, col_e = BOOTMAGIC_LITE_EEPROM_COLUMN;
- #endif
- #if defined(SPLIT_KEYBOARD) && defined(BOOTMAGIC_LITE_ROW_RIGHT) && defined(BOOTMAGIC_LITE_COLUMN_RIGHT)
- if (!is_keyboard_left()) {
- row = BOOTMAGIC_LITE_ROW_RIGHT;
- col = BOOTMAGIC_LITE_COLUMN_RIGHT;
- #if defined(BOOTMAGIC_LITE_EEPROM_ROW) && defined(BOOTMAGIC_LITE_EEPROM_COLUMN) && defined(BOOTMAGIC_LITE_EEPROM_ROW_RIGHT) && defined(BOOTMAGIC_LITE_EEPROM_COLUMN_RIGHT)
- row_e = BOOTMAGIC_LITE_EEPROM_ROW_RIGHT;
- col_e = BOOTMAGIC_LITE_EEPROM_COLUMN_RIGHT;
- # endif
- }
- #endif
- #if defined(BOOTMAGIC_LITE_EEPROM_ROW) && defined(BOOTMAGIC_LITE_EEPROM_COLUMN)
- if (matrix_get_row(row_e) & (1 << col_e)) {
- eeconfig_disable();
- perform_reset = true;
- }
- #endif
- if (matrix_get_row(row) & (1 << col)) {
- perform_reset = true;
- }
- #if defined(STM32F411xE) && !defined(CONVERTER_ENABLED)
- if (!readPin(A0)) {
- perform_reset = true;
- }
- #endif
- if (perform_reset) {
- bootloader_jump();
- }
- }
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